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Commit 1601bdc3 authored by marko's avatar marko
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branches/innodb+: Merge revisions 5091:5143 from branches/zip: 

  ------------------------------------------------------------------------
  r5092 | marko | 2009-05-25 09:54:17 +0300 (Mon, 25 May 2009) | 1 line

  branches/zip: Adjust some function comments after r5091.
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  r5100 | marko | 2009-05-25 12:09:45 +0300 (Mon, 25 May 2009) | 1 line

  branches/zip: Split some long lines that were introduced in r5091.
  ------------------------------------------------------------------------
  r5101 | marko | 2009-05-25 12:42:47 +0300 (Mon, 25 May 2009) | 2 lines

  branches/zip: Introduce the macro TEMP_INDEX_PREFIX_STR.
  This is to avoid triggering an error in Doxygen.
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  r5102 | marko | 2009-05-25 13:47:14 +0300 (Mon, 25 May 2009) | 1 line

  branches/zip: Add missing file comments.
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  r5103 | marko | 2009-05-25 13:52:29 +0300 (Mon, 25 May 2009) | 10 lines

  branches/zip: Add @file comments, and convert decorative
  /*********************************
  comments to Doxygen /** style like this:
  /*****************************//**

  This conversion was performed by the following command:

  perl -i -e 'while(<ARGV>){if (m|^/\*{30}\**$|) {
  s|\*{4}$|//**| if ++$com>1; $_ .= "\@file $ARGV\n" if $com==2}
  print; if(eof){$.=0;undef $com}}' */*[ch] include/univ.i
  ------------------------------------------------------------------------
  r5104 | marko | 2009-05-25 14:39:07 +0300 (Mon, 25 May 2009) | 2 lines

  branches/zip: Revert ut0auxconf_* to r5102,
  that is, make Doxygen ignore these test programs.
  ------------------------------------------------------------------------
  r5105 | marko | 2009-05-25 14:52:20 +0300 (Mon, 25 May 2009) | 2 lines

  branches/zip: Enclose some #error checks inside #ifndef DOXYGEN
  to prevent bogus Doxygen errors.
  ------------------------------------------------------------------------
  r5106 | marko | 2009-05-25 16:09:24 +0300 (Mon, 25 May 2009) | 2 lines

  branches/zip: Add some Doxygen comments, mainly to structs, typedefs,
  macros and global variables.  Many more to go.
  ------------------------------------------------------------------------
  r5108 | marko | 2009-05-26 00:32:35 +0300 (Tue, 26 May 2009) | 2 lines

  branches/zip: lexyy.c: Remove the inadvertently added @file directive.
  There is nothing for Doxygen to see in this file, move along.
  ------------------------------------------------------------------------
  r5125 | marko | 2009-05-26 16:28:49 +0300 (Tue, 26 May 2009) | 3 lines

  branches/zip: Add some Doxygen comments for many structs, typedefs,
  #defines and global variables.  Many are still missing.
  ------------------------------------------------------------------------
  r5134 | marko | 2009-05-27 09:08:43 +0300 (Wed, 27 May 2009) | 1 line

  branches/zip: Add some Doxygen @return comments.
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  r5139 | marko | 2009-05-27 10:01:40 +0300 (Wed, 27 May 2009) | 1 line

  branches/zip: Add Doxyfile.
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  r5143 | marko | 2009-05-27 10:57:25 +0300 (Wed, 27 May 2009) | 3 lines

  branches/zip: buf0buf.h, Doxyfile: Fix the Doxygen translation.
  @defgroup is for source code modules, not for field groups.
  Tell Doxygen to expand the UT_LIST declarations.
  ------------------------------------------------------------------------
parent 61bddcc8
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ChangeLog
View file @ 1601bdc3
2009-05-27 The InnoDB Team
* Doxyfile:
Allow the extraction of documentation from the code base with the
Doxygen tool. Convert and add many (but not yet all) comments to
Doxygen format.
2009-05-19 The InnoDB Team 2009-05-19 The InnoDB Team
* btr/btr0btr.c, btr/btr0cur.c, lock/lock0lock.c, * btr/btr0btr.c, btr/btr0cur.c, lock/lock0lock.c,
......
Doxyfile 0 → 100644
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btr/btr0btr.c
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btr/btr0cur.c
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btr/btr0pcur.c
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...@@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA ...@@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA
*****************************************************************************/ *****************************************************************************/
/****************************************************** /**************************************************//**
@file btr/btr0pcur.c
The index tree persistent cursor The index tree persistent cursor
Created 2/23/1996 Heikki Tuuri Created 2/23/1996 Heikki Tuuri
...@@ -32,7 +33,7 @@ Created 2/23/1996 Heikki Tuuri ...@@ -32,7 +33,7 @@ Created 2/23/1996 Heikki Tuuri
#include "rem0cmp.h" #include "rem0cmp.h"
#include "trx0trx.h" #include "trx0trx.h"
/****************************************************************** /**************************************************************//**
Allocates memory for a persistent cursor object and initializes the cursor. Allocates memory for a persistent cursor object and initializes the cursor.
@return own: persistent cursor */ @return own: persistent cursor */
UNIV_INTERN UNIV_INTERN
...@@ -50,7 +51,7 @@ btr_pcur_create_for_mysql(void) ...@@ -50,7 +51,7 @@ btr_pcur_create_for_mysql(void)
return(pcur); return(pcur);
} }
/****************************************************************** /**************************************************************//**
Frees the memory for a persistent cursor object. */ Frees the memory for a persistent cursor object. */
UNIV_INTERN UNIV_INTERN
void void
...@@ -76,7 +77,7 @@ btr_pcur_free_for_mysql( ...@@ -76,7 +77,7 @@ btr_pcur_free_for_mysql(
mem_free(cursor); mem_free(cursor);
} }
/****************************************************************** /**************************************************************//**
The position of the cursor is stored by taking an initial segment of the The position of the cursor is stored by taking an initial segment of the
record the cursor is positioned on, before, or after, and copying it to the record the cursor is positioned on, before, or after, and copying it to the
cursor data structure, or just setting a flag if the cursor id before the cursor data structure, or just setting a flag if the cursor id before the
...@@ -157,7 +158,7 @@ btr_pcur_store_position( ...@@ -157,7 +158,7 @@ btr_pcur_store_position(
cursor->modify_clock = buf_block_get_modify_clock(block); cursor->modify_clock = buf_block_get_modify_clock(block);
} }
/****************************************************************** /**************************************************************//**
Copies the stored position of a pcur to another pcur. */ Copies the stored position of a pcur to another pcur. */
UNIV_INTERN UNIV_INTERN
void void
...@@ -187,7 +188,7 @@ btr_pcur_copy_stored_position( ...@@ -187,7 +188,7 @@ btr_pcur_copy_stored_position(
pcur_receive->old_n_fields = pcur_donate->old_n_fields; pcur_receive->old_n_fields = pcur_donate->old_n_fields;
} }
/****************************************************************** /**************************************************************//**
Restores the stored position of a persistent cursor bufferfixing the page and Restores the stored position of a persistent cursor bufferfixing the page and
obtaining the specified latches. If the cursor position was saved when the obtaining the specified latches. If the cursor position was saved when the
(1) cursor was positioned on a user record: this function restores the position (1) cursor was positioned on a user record: this function restores the position
...@@ -199,7 +200,9 @@ infimum; ...@@ -199,7 +200,9 @@ infimum;
GREATER than the user record which was the predecessor of the supremum. GREATER than the user record which was the predecessor of the supremum.
(4) cursor was positioned before the first or after the last in an empty tree: (4) cursor was positioned before the first or after the last in an empty tree:
restores to before first or after the last in the tree. restores to before first or after the last in the tree.
@return TRUE if the cursor position was stored when it was on a user record and it can be restored on a user record whose ordering fields are identical to the ones of the original user record */ @return TRUE if the cursor position was stored when it was on a user
record and it can be restored on a user record whose ordering fields
are identical to the ones of the original user record */
UNIV_INTERN UNIV_INTERN
ibool ibool
btr_pcur_restore_position( btr_pcur_restore_position(
...@@ -347,7 +350,7 @@ btr_pcur_restore_position( ...@@ -347,7 +350,7 @@ btr_pcur_restore_position(
return(FALSE); return(FALSE);
} }
/****************************************************************** /**************************************************************//**
If the latch mode of the cursor is BTR_LEAF_SEARCH or BTR_LEAF_MODIFY, If the latch mode of the cursor is BTR_LEAF_SEARCH or BTR_LEAF_MODIFY,
releases the page latch and bufferfix reserved by the cursor. releases the page latch and bufferfix reserved by the cursor.
NOTE! In the case of BTR_LEAF_MODIFY, there should not exist changes NOTE! In the case of BTR_LEAF_MODIFY, there should not exist changes
...@@ -374,7 +377,7 @@ btr_pcur_release_leaf( ...@@ -374,7 +377,7 @@ btr_pcur_release_leaf(
cursor->pos_state = BTR_PCUR_WAS_POSITIONED; cursor->pos_state = BTR_PCUR_WAS_POSITIONED;
} }
/************************************************************* /*********************************************************//**
Moves the persistent cursor to the first record on the next page. Releases the Moves the persistent cursor to the first record on the next page. Releases the
latch on the current page, and bufferunfixes it. Note that there must not be latch on the current page, and bufferunfixes it. Note that there must not be
modifications on the current page, as then the x-latch can be released only in modifications on the current page, as then the x-latch can be released only in
...@@ -425,7 +428,7 @@ btr_pcur_move_to_next_page( ...@@ -425,7 +428,7 @@ btr_pcur_move_to_next_page(
page_check_dir(next_page); page_check_dir(next_page);
} }
/************************************************************* /*********************************************************//**
Moves the persistent cursor backward if it is on the first record of the page. Moves the persistent cursor backward if it is on the first record of the page.
Commits mtr. Note that to prevent a possible deadlock, the operation Commits mtr. Note that to prevent a possible deadlock, the operation
first stores the position of the cursor, commits mtr, acquires the necessary first stores the position of the cursor, commits mtr, acquires the necessary
...@@ -507,7 +510,7 @@ btr_pcur_move_backward_from_page( ...@@ -507,7 +510,7 @@ btr_pcur_move_backward_from_page(
cursor->old_stored = BTR_PCUR_OLD_NOT_STORED; cursor->old_stored = BTR_PCUR_OLD_NOT_STORED;
} }
/************************************************************* /*********************************************************//**
Moves the persistent cursor to the previous record in the tree. If no records Moves the persistent cursor to the previous record in the tree. If no records
are left, the cursor stays 'before first in tree'. are left, the cursor stays 'before first in tree'.
@return TRUE if the cursor was not before first in tree */ @return TRUE if the cursor was not before first in tree */
...@@ -541,7 +544,7 @@ btr_pcur_move_to_prev( ...@@ -541,7 +544,7 @@ btr_pcur_move_to_prev(
return(TRUE); return(TRUE);
} }
/****************************************************************** /**************************************************************//**
If mode is PAGE_CUR_G or PAGE_CUR_GE, opens a persistent cursor on the first If mode is PAGE_CUR_G or PAGE_CUR_GE, opens a persistent cursor on the first
user record satisfying the search condition, in the case PAGE_CUR_L or user record satisfying the search condition, in the case PAGE_CUR_L or
PAGE_CUR_LE, on the last user record. If no such user record exists, then PAGE_CUR_LE, on the last user record. If no such user record exists, then
......
btr/btr0sea.c
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buf/buf0buddy.c
View file @ 1601bdc3
...@@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA ...@@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA
*****************************************************************************/ *****************************************************************************/
/****************************************************** /**************************************************//**
@file buf/buf0buddy.c
Binary buddy allocator for compressed pages Binary buddy allocator for compressed pages
Created December 2006 by Marko Makela Created December 2006 by Marko Makela
...@@ -44,7 +45,7 @@ static ulint buf_buddy_n_frames; ...@@ -44,7 +45,7 @@ static ulint buf_buddy_n_frames;
Protected by buf_pool_mutex. */ Protected by buf_pool_mutex. */
UNIV_INTERN buf_buddy_stat_t buf_buddy_stat[BUF_BUDDY_SIZES + 1]; UNIV_INTERN buf_buddy_stat_t buf_buddy_stat[BUF_BUDDY_SIZES + 1];
/************************************************************************** /**********************************************************************//**
Get the offset of the buddy of a compressed page frame. Get the offset of the buddy of a compressed page frame.
@return the buddy relative of page */ @return the buddy relative of page */
UNIV_INLINE UNIV_INLINE
...@@ -66,7 +67,7 @@ buf_buddy_get( ...@@ -66,7 +67,7 @@ buf_buddy_get(
} }
} }
/************************************************************************** /**********************************************************************//**
Add a block to the head of the appropriate buddy free list. */ Add a block to the head of the appropriate buddy free list. */
UNIV_INLINE UNIV_INLINE
void void
...@@ -92,7 +93,7 @@ buf_buddy_add_to_free( ...@@ -92,7 +93,7 @@ buf_buddy_add_to_free(
#endif /* UNIV_DEBUG_VALGRIND */ #endif /* UNIV_DEBUG_VALGRIND */
} }
/************************************************************************** /**********************************************************************//**
Remove a block from the appropriate buddy free list. */ Remove a block from the appropriate buddy free list. */
UNIV_INLINE UNIV_INLINE
void void
...@@ -122,7 +123,7 @@ buf_buddy_remove_from_free( ...@@ -122,7 +123,7 @@ buf_buddy_remove_from_free(
#endif /* UNIV_DEBUG_VALGRIND */ #endif /* UNIV_DEBUG_VALGRIND */
} }
/************************************************************************** /**********************************************************************//**
Try to allocate a block from buf_pool->zip_free[]. Try to allocate a block from buf_pool->zip_free[].
@return allocated block, or NULL if buf_pool->zip_free[] was empty */ @return allocated block, or NULL if buf_pool->zip_free[] was empty */
static static
...@@ -175,7 +176,7 @@ buf_buddy_alloc_zip( ...@@ -175,7 +176,7 @@ buf_buddy_alloc_zip(
return(bpage); return(bpage);
} }
/************************************************************************** /**********************************************************************//**
Deallocate a buffer frame of UNIV_PAGE_SIZE. */ Deallocate a buffer frame of UNIV_PAGE_SIZE. */
static static
void void
...@@ -214,7 +215,7 @@ buf_buddy_block_free( ...@@ -214,7 +215,7 @@ buf_buddy_block_free(
ut_d(buf_buddy_n_frames--); ut_d(buf_buddy_n_frames--);
} }
/************************************************************************** /**********************************************************************//**
Allocate a buffer block to the buddy allocator. */ Allocate a buffer block to the buddy allocator. */
static static
void void
...@@ -240,7 +241,7 @@ buf_buddy_block_register( ...@@ -240,7 +241,7 @@ buf_buddy_block_register(
ut_d(buf_buddy_n_frames++); ut_d(buf_buddy_n_frames++);
} }
/************************************************************************** /**********************************************************************//**
Allocate a block from a bigger object. Allocate a block from a bigger object.
@return allocated block */ @return allocated block */
static static
...@@ -280,7 +281,7 @@ buf_buddy_alloc_from( ...@@ -280,7 +281,7 @@ buf_buddy_alloc_from(
return(buf); return(buf);
} }
/************************************************************************** /**********************************************************************//**
Allocate a block. The thread calling this function must hold Allocate a block. The thread calling this function must hold
buf_pool_mutex and must not hold buf_pool_zip_mutex or any block->mutex. buf_pool_mutex and must not hold buf_pool_zip_mutex or any block->mutex.
The buf_pool_mutex may only be released and reacquired if lru != NULL. The buf_pool_mutex may only be released and reacquired if lru != NULL.
...@@ -340,7 +341,7 @@ func_exit: ...@@ -340,7 +341,7 @@ func_exit:
return(block); return(block);
} }
/************************************************************************** /**********************************************************************//**
Try to relocate the control block of a compressed page. Try to relocate the control block of a compressed page.
@return TRUE if relocated */ @return TRUE if relocated */
static static
...@@ -396,7 +397,7 @@ buf_buddy_relocate_block( ...@@ -396,7 +397,7 @@ buf_buddy_relocate_block(
return(TRUE); return(TRUE);
} }
/************************************************************************** /**********************************************************************//**
Try to relocate a block. Try to relocate a block.
@return TRUE if relocated */ @return TRUE if relocated */
static static
...@@ -504,7 +505,7 @@ success: ...@@ -504,7 +505,7 @@ success:
return(FALSE); return(FALSE);
} }
/************************************************************************** /**********************************************************************//**
Deallocate a block. */ Deallocate a block. */
UNIV_INTERN UNIV_INTERN
void void
......
buf/buf0buf.c
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buf/buf0flu.c
View file @ 1601bdc3
...@@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA ...@@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA
*****************************************************************************/ *****************************************************************************/
/****************************************************** /**************************************************//**
@file buf/buf0flu.c
The database buffer buf_pool flush algorithm The database buffer buf_pool flush algorithm
Created 11/11/1995 Heikki Tuuri Created 11/11/1995 Heikki Tuuri
...@@ -44,7 +45,7 @@ Created 11/11/1995 Heikki Tuuri ...@@ -44,7 +45,7 @@ Created 11/11/1995 Heikki Tuuri
#include "trx0sys.h" #include "trx0sys.h"
#if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG #if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG
/********************************************************************** /******************************************************************//**
Validates the flush list. Validates the flush list.
@return TRUE if ok */ @return TRUE if ok */
static static
...@@ -53,7 +54,7 @@ buf_flush_validate_low(void); ...@@ -53,7 +54,7 @@ buf_flush_validate_low(void);
/*========================*/ /*========================*/
#endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ #endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */
/********************************************************************** /******************************************************************//**
Insert a block in the flush_rbt and returns a pointer to its Insert a block in the flush_rbt and returns a pointer to its
predecessor or NULL if no predecessor. The ordering is maintained predecessor or NULL if no predecessor. The ordering is maintained
on the basis of the <oldest_modification, space, offset> key. on the basis of the <oldest_modification, space, offset> key.
...@@ -85,7 +86,7 @@ buf_flush_insert_in_flush_rbt( ...@@ -85,7 +86,7 @@ buf_flush_insert_in_flush_rbt(
return(prev); return(prev);
} }
/************************************************************* /*********************************************************//**
Delete a bpage from the flush_rbt. */ Delete a bpage from the flush_rbt. */
static static
void void
...@@ -101,7 +102,7 @@ buf_flush_delete_from_flush_rbt( ...@@ -101,7 +102,7 @@ buf_flush_delete_from_flush_rbt(
ut_ad(ret); ut_ad(ret);
} }
/********************************************************************* /*****************************************************************//**
Compare two modified blocks in the buffer pool. The key for comparison Compare two modified blocks in the buffer pool. The key for comparison
is: is:
key = <oldest_modification, space, offset> key = <oldest_modification, space, offset>
...@@ -149,7 +150,7 @@ buf_flush_block_cmp( ...@@ -149,7 +150,7 @@ buf_flush_block_cmp(
return(ret ? ret : (int)(b2->offset - b1->offset)); return(ret ? ret : (int)(b2->offset - b1->offset));
} }
/************************************************************************ /********************************************************************//**
Initialize the red-black tree to speed up insertions into the flush_list Initialize the red-black tree to speed up insertions into the flush_list
during recovery process. Should be called at the start of recovery during recovery process. Should be called at the start of recovery
process before any page has been read/written. */ process before any page has been read/written. */
...@@ -166,7 +167,7 @@ buf_flush_init_flush_rbt(void) ...@@ -166,7 +167,7 @@ buf_flush_init_flush_rbt(void)
buf_pool_mutex_exit(); buf_pool_mutex_exit();
} }
/************************************************************************ /********************************************************************//**
Frees up the red-black tree. */ Frees up the red-black tree. */
UNIV_INTERN UNIV_INTERN
void void
...@@ -185,7 +186,7 @@ buf_flush_free_flush_rbt(void) ...@@ -185,7 +186,7 @@ buf_flush_free_flush_rbt(void)
buf_pool_mutex_exit(); buf_pool_mutex_exit();
} }
/************************************************************************ /********************************************************************//**
Inserts a modified block into the flush list. */ Inserts a modified block into the flush list. */
UNIV_INTERN UNIV_INTERN
void void
...@@ -218,7 +219,7 @@ buf_flush_insert_into_flush_list( ...@@ -218,7 +219,7 @@ buf_flush_insert_into_flush_list(
#endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ #endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */
} }
/************************************************************************ /********************************************************************//**
Inserts a modified block into the flush list in the right sorted position. Inserts a modified block into the flush list in the right sorted position.
This function is used by recovery, because there the modifications do not This function is used by recovery, because there the modifications do not
necessarily come in the order of lsn's. */ necessarily come in the order of lsn's. */
...@@ -276,7 +277,7 @@ buf_flush_insert_sorted_into_flush_list( ...@@ -276,7 +277,7 @@ buf_flush_insert_sorted_into_flush_list(
#endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ #endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */
} }
/************************************************************************ /********************************************************************//**
Returns TRUE if the file page block is immediately suitable for replacement, Returns TRUE if the file page block is immediately suitable for replacement,
i.e., the transition FILE_PAGE => NOT_USED allowed. i.e., the transition FILE_PAGE => NOT_USED allowed.
@return TRUE if can replace immediately */ @return TRUE if can replace immediately */
...@@ -309,7 +310,7 @@ buf_flush_ready_for_replace( ...@@ -309,7 +310,7 @@ buf_flush_ready_for_replace(
return(FALSE); return(FALSE);
} }
/************************************************************************ /********************************************************************//**
Returns TRUE if the block is modified and ready for flushing. Returns TRUE if the block is modified and ready for flushing.
@return TRUE if can flush immediately */ @return TRUE if can flush immediately */
UNIV_INLINE UNIV_INLINE
...@@ -346,7 +347,7 @@ buf_flush_ready_for_flush( ...@@ -346,7 +347,7 @@ buf_flush_ready_for_flush(
return(FALSE); return(FALSE);
} }
/************************************************************************ /********************************************************************//**
Remove a block from the flush list of modified blocks. */ Remove a block from the flush list of modified blocks. */
UNIV_INTERN UNIV_INTERN
void void
...@@ -393,7 +394,7 @@ buf_flush_remove( ...@@ -393,7 +394,7 @@ buf_flush_remove(
ut_ad(ut_list_node_313->in_flush_list))); ut_ad(ut_list_node_313->in_flush_list)));
} }
/*********************************************************************** /*******************************************************************//**
Relocates a buffer control block on the flush_list. Relocates a buffer control block on the flush_list.
Note that it is assumed that the contents of bpage has already been Note that it is assumed that the contents of bpage has already been
copied to dpage. */ copied to dpage. */
...@@ -450,7 +451,7 @@ buf_flush_relocate_on_flush_list( ...@@ -450,7 +451,7 @@ buf_flush_relocate_on_flush_list(
#endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */ #endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */
} }
/************************************************************************ /********************************************************************//**
Updates the flush system data structures when a write is completed. */ Updates the flush system data structures when a write is completed. */
UNIV_INTERN UNIV_INTERN
void void
...@@ -488,7 +489,7 @@ buf_flush_write_complete( ...@@ -488,7 +489,7 @@ buf_flush_write_complete(
} }
} }
/************************************************************************ /********************************************************************//**
Flushes possible buffered writes from the doublewrite memory buffer to disk, Flushes possible buffered writes from the doublewrite memory buffer to disk,
and also wakes up the aio thread if simulated aio is used. It is very and also wakes up the aio thread if simulated aio is used. It is very
important to call this function after a batch of writes has been posted, important to call this function after a batch of writes has been posted,
...@@ -735,7 +736,7 @@ flush: ...@@ -735,7 +736,7 @@ flush:
mutex_exit(&(trx_doublewrite->mutex)); mutex_exit(&(trx_doublewrite->mutex));
} }
/************************************************************************ /********************************************************************//**
Posts a buffer page for writing. If the doublewrite memory buffer is Posts a buffer page for writing. If the doublewrite memory buffer is
full, calls buf_flush_buffered_writes and waits for for free space to full, calls buf_flush_buffered_writes and waits for for free space to
appear. */ appear. */
...@@ -795,7 +796,7 @@ try_again: ...@@ -795,7 +796,7 @@ try_again:
} }
#endif /* !UNIV_HOTBACKUP */ #endif /* !UNIV_HOTBACKUP */
/************************************************************************ /********************************************************************//**
Initializes a page for writing to the tablespace. */ Initializes a page for writing to the tablespace. */
UNIV_INTERN UNIV_INTERN
void void
...@@ -874,7 +875,7 @@ buf_flush_init_for_writing( ...@@ -874,7 +875,7 @@ buf_flush_init_for_writing(
} }
#ifndef UNIV_HOTBACKUP #ifndef UNIV_HOTBACKUP
/************************************************************************ /********************************************************************//**
Does an asynchronous write of a buffer page. NOTE: in simulated aio and Does an asynchronous write of a buffer page. NOTE: in simulated aio and
also when the doublewrite buffer is used, we must call also when the doublewrite buffer is used, we must call
buf_flush_buffered_writes after we have posted a batch of writes! */ buf_flush_buffered_writes after we have posted a batch of writes! */
...@@ -962,7 +963,7 @@ buf_flush_write_block_low( ...@@ -962,7 +963,7 @@ buf_flush_write_block_low(
} }
} }
/************************************************************************ /********************************************************************//**
Writes a flushable page asynchronously from the buffer pool to a file. Writes a flushable page asynchronously from the buffer pool to a file.
NOTE: in simulated aio we must call NOTE: in simulated aio we must call
os_aio_simulated_wake_handler_threads after we have posted a batch of os_aio_simulated_wake_handler_threads after we have posted a batch of
...@@ -1076,7 +1077,7 @@ buf_flush_page( ...@@ -1076,7 +1077,7 @@ buf_flush_page(
buf_flush_write_block_low(bpage); buf_flush_write_block_low(bpage);
} }
/*************************************************************** /***********************************************************//**
Flushes to disk all flushable pages within the flush area. Flushes to disk all flushable pages within the flush area.
@return number of pages flushed */ @return number of pages flushed */
static static
...@@ -1167,13 +1168,14 @@ buf_flush_try_neighbors( ...@@ -1167,13 +1168,14 @@ buf_flush_try_neighbors(
return(count); return(count);
} }
/*********************************************************************** /*******************************************************************//**
This utility flushes dirty blocks from the end of the LRU list or flush_list. This utility flushes dirty blocks from the end of the LRU list or flush_list.
NOTE 1: in the case of an LRU flush the calling thread may own latches to NOTE 1: in the case of an LRU flush the calling thread may own latches to
pages: to avoid deadlocks, this function must be written so that it cannot pages: to avoid deadlocks, this function must be written so that it cannot
end up waiting for these latches! NOTE 2: in the case of a flush list flush, end up waiting for these latches! NOTE 2: in the case of a flush list flush,
the calling thread is not allowed to own any latches on pages! the calling thread is not allowed to own any latches on pages!
@return number of blocks for which the write request was queued; ULINT_UNDEFINED if there was a flush of the same type already running */ @return number of blocks for which the write request was queued;
ULINT_UNDEFINED if there was a flush of the same type already running */
UNIV_INTERN UNIV_INTERN
ulint ulint
buf_flush_batch( buf_flush_batch(
...@@ -1322,7 +1324,7 @@ flush_next: ...@@ -1322,7 +1324,7 @@ flush_next:
return(page_count); return(page_count);
} }
/********************************************************************** /******************************************************************//**
Waits until a flush batch of the given type ends */ Waits until a flush batch of the given type ends */
UNIV_INTERN UNIV_INTERN
void void
...@@ -1335,11 +1337,12 @@ buf_flush_wait_batch_end( ...@@ -1335,11 +1337,12 @@ buf_flush_wait_batch_end(
os_event_wait(buf_pool->no_flush[type]); os_event_wait(buf_pool->no_flush[type]);
} }
/********************************************************************** /******************************************************************//**
Gives a recommendation of how many blocks should be flushed to establish Gives a recommendation of how many blocks should be flushed to establish
a big enough margin of replaceable blocks near the end of the LRU list a big enough margin of replaceable blocks near the end of the LRU list
and in the free list. and in the free list.
@return number of blocks which should be flushed from the end of the LRU list */ @return number of blocks which should be flushed from the end of the
LRU list */
static static
ulint ulint
buf_flush_LRU_recommendation(void) buf_flush_LRU_recommendation(void)
...@@ -1386,7 +1389,7 @@ buf_flush_LRU_recommendation(void) ...@@ -1386,7 +1389,7 @@ buf_flush_LRU_recommendation(void)
- n_replaceable); - n_replaceable);
} }
/************************************************************************* /*********************************************************************//**
Flushes pages from the end of the LRU list if there is too small a margin Flushes pages from the end of the LRU list if there is too small a margin
of replaceable pages there or in the free list. VERY IMPORTANT: this function of replaceable pages there or in the free list. VERY IMPORTANT: this function
is called also by threads which have locks on pages. To avoid deadlocks, we is called also by threads which have locks on pages. To avoid deadlocks, we
...@@ -1414,7 +1417,7 @@ buf_flush_free_margin(void) ...@@ -1414,7 +1417,7 @@ buf_flush_free_margin(void)
} }
#if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG #if defined UNIV_DEBUG || defined UNIV_BUF_DEBUG
/********************************************************************** /******************************************************************//**
Validates the flush list. Validates the flush list.
@return TRUE if ok */ @return TRUE if ok */
static static
...@@ -1464,7 +1467,7 @@ buf_flush_validate_low(void) ...@@ -1464,7 +1467,7 @@ buf_flush_validate_low(void)
return(TRUE); return(TRUE);
} }
/********************************************************************** /******************************************************************//**
Validates the flush list. Validates the flush list.
@return TRUE if ok */ @return TRUE if ok */
UNIV_INTERN UNIV_INTERN
......
buf/buf0lru.c
View file @ 1601bdc3
This diff is collapsed.
buf/buf0rea.c
View file @ 1601bdc3
...@@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA ...@@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA
*****************************************************************************/ *****************************************************************************/
/****************************************************** /**************************************************//**
@file buf/buf0rea.c
The database buffer read The database buffer read
Created 11/5/1995 Heikki Tuuri Created 11/5/1995 Heikki Tuuri
...@@ -35,36 +36,36 @@ Created 11/5/1995 Heikki Tuuri ...@@ -35,36 +36,36 @@ Created 11/5/1995 Heikki Tuuri
#include "trx0sys.h" #include "trx0sys.h"
#include "os0file.h" #include "os0file.h"
#include "srv0start.h" #include "srv0start.h"
#include "srv0srv.h"
extern ulint srv_read_ahead_rnd; /** The size in blocks of the area where the random read-ahead algorithm counts
extern ulint srv_read_ahead_seq;
extern ulint srv_buf_pool_reads;
/* The size in blocks of the area where the random read-ahead algorithm counts
the accessed pages when deciding whether to read-ahead */ the accessed pages when deciding whether to read-ahead */
#define BUF_READ_AHEAD_RANDOM_AREA BUF_READ_AHEAD_AREA #define BUF_READ_AHEAD_RANDOM_AREA BUF_READ_AHEAD_AREA
/* There must be at least this many pages in buf_pool in the area to start /** There must be at least this many pages in buf_pool in the area to start
a random read-ahead */ a random read-ahead */
#define BUF_READ_AHEAD_RANDOM_THRESHOLD (5 + buf_read_ahead_random_area / 8) #define BUF_READ_AHEAD_RANDOM_THRESHOLD (5 + buf_read_ahead_random_area / 8)
/* The linear read-ahead area size */ /** The linear read-ahead area size */
#define BUF_READ_AHEAD_LINEAR_AREA BUF_READ_AHEAD_AREA #define BUF_READ_AHEAD_LINEAR_AREA BUF_READ_AHEAD_AREA
/* The linear read-ahead threshold */ /** The linear read-ahead threshold */
#define LINEAR_AREA_THRESHOLD_COEF 5 / 8 #define LINEAR_AREA_THRESHOLD_COEF 5 / 8
/* If there are buf_pool->curr_size per the number below pending reads, then /** If there are buf_pool->curr_size per the number below pending reads, then
read-ahead is not done: this is to prevent flooding the buffer pool with read-ahead is not done: this is to prevent flooding the buffer pool with
i/o-fixed buffer blocks */ i/o-fixed buffer blocks */
#define BUF_READ_AHEAD_PEND_LIMIT 2 #define BUF_READ_AHEAD_PEND_LIMIT 2
/************************************************************************ /********************************************************************//**
Low-level function which reads a page asynchronously from a file to the Low-level function which reads a page asynchronously from a file to the
buffer buf_pool if it is not already there, in which case does nothing. buffer buf_pool if it is not already there, in which case does nothing.
Sets the io_fix flag and sets an exclusive lock on the buffer frame. The Sets the io_fix flag and sets an exclusive lock on the buffer frame. The
flag is cleared and the x-lock released by an i/o-handler thread. flag is cleared and the x-lock released by an i/o-handler thread.
@return 1 if a read request was queued, 0 if the page already resided in buf_pool, or if the page is in the doublewrite buffer blocks in which case it is never read into the pool, or if the tablespace does not exist or is being dropped */ @return 1 if a read request was queued, 0 if the page already resided
in buf_pool, or if the page is in the doublewrite buffer blocks in
which case it is never read into the pool, or if the tablespace does
not exist or is being dropped */
static static
ulint ulint
buf_read_page_low( buf_read_page_low(
...@@ -166,7 +167,7 @@ buf_read_page_low( ...@@ -166,7 +167,7 @@ buf_read_page_low(
return(1); return(1);
} }
/************************************************************************ /********************************************************************//**
Applies a random read-ahead in buf_pool if there are at least a threshold Applies a random read-ahead in buf_pool if there are at least a threshold
value of accessed pages from the random read-ahead area. Does not read any value of accessed pages from the random read-ahead area. Does not read any
page, not even the one at the position (space, offset), if the read-ahead page, not even the one at the position (space, offset), if the read-ahead
...@@ -176,7 +177,9 @@ end up waiting for these latches! NOTE 2: the calling thread must want ...@@ -176,7 +177,9 @@ end up waiting for these latches! NOTE 2: the calling thread must want
access to the page given: this rule is set to prevent unintended read-aheads access to the page given: this rule is set to prevent unintended read-aheads
performed by ibuf routines, a situation which could result in a deadlock if performed by ibuf routines, a situation which could result in a deadlock if
the OS does not support asynchronous i/o. the OS does not support asynchronous i/o.
@return number of page read requests issued; NOTE that if we read ibuf pages, it may happen that the page at the given page number does not get read even if we return a value > 0! */ @return number of page read requests issued; NOTE that if we read ibuf
pages, it may happen that the page at the given page number does not
get read even if we return a positive value! */
static static
ulint ulint
buf_read_ahead_random( buf_read_ahead_random(
...@@ -320,13 +323,14 @@ read_ahead: ...@@ -320,13 +323,14 @@ read_ahead:
return(count); return(count);
} }
/************************************************************************ /********************************************************************//**
High-level function which reads a page asynchronously from a file to the High-level function which reads a page asynchronously from a file to the
buffer buf_pool if it is not already there. Sets the io_fix flag and sets buffer buf_pool if it is not already there. Sets the io_fix flag and sets
an exclusive lock on the buffer frame. The flag is cleared and the x-lock an exclusive lock on the buffer frame. The flag is cleared and the x-lock
released by the i/o-handler thread. Does a random read-ahead if it seems released by the i/o-handler thread. Does a random read-ahead if it seems
sensible. sensible.
@return number of page read requests issued: this can be > 1 if read-ahead occurred */ @return number of page read requests issued: this can be greater than
1 if read-ahead occurred */
UNIV_INTERN UNIV_INTERN
ulint ulint
buf_read_page( buf_read_page(
...@@ -370,7 +374,7 @@ buf_read_page( ...@@ -370,7 +374,7 @@ buf_read_page(
return(count + count2); return(count + count2);
} }
/************************************************************************ /********************************************************************//**
Applies linear read-ahead if in the buf_pool the page is a border page of Applies linear read-ahead if in the buf_pool the page is a border page of
a linear read-ahead area and all the pages in the area have been accessed. a linear read-ahead area and all the pages in the area have been accessed.
Does not read any page if the read-ahead mechanism is not activated. Note Does not read any page if the read-ahead mechanism is not activated. Note
...@@ -637,7 +641,7 @@ buf_read_ahead_linear( ...@@ -637,7 +641,7 @@ buf_read_ahead_linear(
return(count); return(count);
} }
/************************************************************************ /********************************************************************//**
Issues read requests for pages which the ibuf module wants to read in, in Issues read requests for pages which the ibuf module wants to read in, in
order to contract the insert buffer tree. Technically, this function is like order to contract the insert buffer tree. Technically, this function is like
a read-ahead function. */ a read-ahead function. */
...@@ -715,7 +719,7 @@ tablespace_deleted: ...@@ -715,7 +719,7 @@ tablespace_deleted:
#endif /* UNIV_DEBUG */ #endif /* UNIV_DEBUG */
} }
/************************************************************************ /********************************************************************//**
Issues read requests for pages which recovery wants to read in. */ Issues read requests for pages which recovery wants to read in. */
UNIV_INTERN UNIV_INTERN
void void
......
data/data0data.c
View file @ 1601bdc3
...@@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA ...@@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA
*****************************************************************************/ *****************************************************************************/
/************************************************************************ /********************************************************************//**
@file data/data0data.c
SQL data field and tuple SQL data field and tuple
Created 5/30/1994 Heikki Tuuri Created 5/30/1994 Heikki Tuuri
...@@ -40,18 +41,19 @@ Created 5/30/1994 Heikki Tuuri ...@@ -40,18 +41,19 @@ Created 5/30/1994 Heikki Tuuri
#endif /* !UNIV_HOTBACKUP */ #endif /* !UNIV_HOTBACKUP */
#ifdef UNIV_DEBUG #ifdef UNIV_DEBUG
/* data pointers of tuple fields are initialized to point here /** Dummy variable to catch access to uninitialized fields. In the
for error checking */ debug version, dtuple_create() will make all fields of dtuple_t point
to data_error. */
UNIV_INTERN byte data_error; UNIV_INTERN byte data_error;
# ifndef UNIV_DEBUG_VALGRIND # ifndef UNIV_DEBUG_VALGRIND
/* this is used to fool the compiler in dtuple_validate */ /** this is used to fool the compiler in dtuple_validate */
UNIV_INTERN ulint data_dummy; UNIV_INTERN ulint data_dummy;
# endif /* !UNIV_DEBUG_VALGRIND */ # endif /* !UNIV_DEBUG_VALGRIND */
#endif /* UNIV_DEBUG */ #endif /* UNIV_DEBUG */
#ifndef UNIV_HOTBACKUP #ifndef UNIV_HOTBACKUP
/************************************************************************* /*********************************************************************//**
Tests if dfield data length and content is equal to the given. Tests if dfield data length and content is equal to the given.
@return TRUE if equal */ @return TRUE if equal */
UNIV_INTERN UNIV_INTERN
...@@ -80,9 +82,10 @@ dfield_data_is_binary_equal( ...@@ -80,9 +82,10 @@ dfield_data_is_binary_equal(
return(TRUE); return(TRUE);
} }
/**************************************************************** /************************************************************//**
Compare two data tuples, respecting the collation of character fields. Compare two data tuples, respecting the collation of character fields.
@return 1, 0 , -1 if tuple1 is greater, equal, less, respectively, than tuple2 */ @return 1, 0 , -1 if tuple1 is greater, equal, less, respectively,
than tuple2 */
UNIV_INTERN UNIV_INTERN
int int
dtuple_coll_cmp( dtuple_coll_cmp(
...@@ -121,7 +124,7 @@ dtuple_coll_cmp( ...@@ -121,7 +124,7 @@ dtuple_coll_cmp(
return(0); return(0);
} }
/************************************************************************* /*********************************************************************//**
Sets number of fields used in a tuple. Normally this is set in Sets number of fields used in a tuple. Normally this is set in
dtuple_create, but if you want later to set it smaller, you can use this. */ dtuple_create, but if you want later to set it smaller, you can use this. */
UNIV_INTERN UNIV_INTERN
...@@ -137,7 +140,7 @@ dtuple_set_n_fields( ...@@ -137,7 +140,7 @@ dtuple_set_n_fields(
tuple->n_fields_cmp = n_fields; tuple->n_fields_cmp = n_fields;
} }
/************************************************************** /**********************************************************//**
Checks that a data field is typed. Checks that a data field is typed.
@return TRUE if ok */ @return TRUE if ok */
static static
...@@ -159,7 +162,7 @@ dfield_check_typed_no_assert( ...@@ -159,7 +162,7 @@ dfield_check_typed_no_assert(
return(TRUE); return(TRUE);
} }
/************************************************************** /**********************************************************//**
Checks that a data tuple is typed. Checks that a data tuple is typed.
@return TRUE if ok */ @return TRUE if ok */
UNIV_INTERN UNIV_INTERN
...@@ -197,7 +200,7 @@ dump: ...@@ -197,7 +200,7 @@ dump:
#endif /* !UNIV_HOTBACKUP */ #endif /* !UNIV_HOTBACKUP */
#ifdef UNIV_DEBUG #ifdef UNIV_DEBUG
/************************************************************** /**********************************************************//**
Checks that a data field is typed. Asserts an error if not. Checks that a data field is typed. Asserts an error if not.
@return TRUE if ok */ @return TRUE if ok */
UNIV_INTERN UNIV_INTERN
...@@ -220,7 +223,7 @@ dfield_check_typed( ...@@ -220,7 +223,7 @@ dfield_check_typed(
return(TRUE); return(TRUE);
} }
/************************************************************** /**********************************************************//**
Checks that a data tuple is typed. Asserts an error if not. Checks that a data tuple is typed. Asserts an error if not.
@return TRUE if ok */ @return TRUE if ok */
UNIV_INTERN UNIV_INTERN
...@@ -242,7 +245,7 @@ dtuple_check_typed( ...@@ -242,7 +245,7 @@ dtuple_check_typed(
return(TRUE); return(TRUE);
} }
/************************************************************** /**********************************************************//**
Validates the consistency of a tuple which must be complete, i.e, Validates the consistency of a tuple which must be complete, i.e,
all fields must have been set. all fields must have been set.
@return TRUE if ok */ @return TRUE if ok */
...@@ -295,7 +298,7 @@ dtuple_validate( ...@@ -295,7 +298,7 @@ dtuple_validate(
#endif /* UNIV_DEBUG */ #endif /* UNIV_DEBUG */
#ifndef UNIV_HOTBACKUP #ifndef UNIV_HOTBACKUP
/***************************************************************** /*************************************************************//**
Pretty prints a dfield value according to its data type. */ Pretty prints a dfield value according to its data type. */
UNIV_INTERN UNIV_INTERN
void void
...@@ -337,7 +340,7 @@ dfield_print( ...@@ -337,7 +340,7 @@ dfield_print(
} }
} }
/***************************************************************** /*************************************************************//**
Pretty prints a dfield value according to its data type. Also the hex string Pretty prints a dfield value according to its data type. Also the hex string
is printed if a string contains non-printable characters. */ is printed if a string contains non-printable characters. */
UNIV_INTERN UNIV_INTERN
...@@ -509,7 +512,7 @@ print_hex: ...@@ -509,7 +512,7 @@ print_hex:
} }
} }
/***************************************************************** /*************************************************************//**
Print a dfield value using ut_print_buf. */ Print a dfield value using ut_print_buf. */
static static
void void
...@@ -532,7 +535,7 @@ dfield_print_raw( ...@@ -532,7 +535,7 @@ dfield_print_raw(
} }
} }
/************************************************************** /**********************************************************//**
The following function prints the contents of a tuple. */ The following function prints the contents of a tuple. */
UNIV_INTERN UNIV_INTERN
void void
...@@ -560,12 +563,14 @@ dtuple_print( ...@@ -560,12 +563,14 @@ dtuple_print(
ut_ad(dtuple_validate(tuple)); ut_ad(dtuple_validate(tuple));
} }
/****************************************************************** /**************************************************************//**
Moves parts of long fields in entry to the big record vector so that Moves parts of long fields in entry to the big record vector so that
the size of tuple drops below the maximum record size allowed in the the size of tuple drops below the maximum record size allowed in the
database. Moves data only from those fields which are not necessary database. Moves data only from those fields which are not necessary
to determine uniquely the insertion place of the tuple in the index. to determine uniquely the insertion place of the tuple in the index.
@return own: created big record vector, NULL if we are not able to shorten the entry enough, i.e., if there are too many fixed-length or short fields in entry or the index is clustered */ @return own: created big record vector, NULL if we are not able to
shorten the entry enough, i.e., if there are too many fixed-length or
short fields in entry or the index is clustered */
UNIV_INTERN UNIV_INTERN
big_rec_t* big_rec_t*
dtuple_convert_big_rec( dtuple_convert_big_rec(
...@@ -719,7 +724,7 @@ skip_field: ...@@ -719,7 +724,7 @@ skip_field:
return(vector); return(vector);
} }
/****************************************************************** /**************************************************************//**
Puts back to entry the data stored in vector. Note that to ensure the Puts back to entry the data stored in vector. Note that to ensure the
fields in entry can accommodate the data, vector must have been created fields in entry can accommodate the data, vector must have been created
from entry with dtuple_convert_big_rec. */ from entry with dtuple_convert_big_rec. */
......
data/data0type.c
View file @ 1601bdc3
...@@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA ...@@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA
*****************************************************************************/ *****************************************************************************/
/****************************************************** /**************************************************//**
@file data/data0type.c
Data types Data types
Created 1/16/1996 Heikki Tuuri Created 1/16/1996 Heikki Tuuri
...@@ -38,7 +39,7 @@ charset-collation code for them. */ ...@@ -38,7 +39,7 @@ charset-collation code for them. */
UNIV_INTERN ulint data_mysql_default_charset_coll; UNIV_INTERN ulint data_mysql_default_charset_coll;
/************************************************************************* /*********************************************************************//**
Determine how many bytes the first n characters of the given string occupy. Determine how many bytes the first n characters of the given string occupy.
If the string is shorter than n characters, returns the number of bytes If the string is shorter than n characters, returns the number of bytes
the characters in the string occupy. the characters in the string occupy.
...@@ -79,7 +80,7 @@ dtype_get_at_most_n_mbchars( ...@@ -79,7 +80,7 @@ dtype_get_at_most_n_mbchars(
} }
#endif /* UNIV_HOTBACKUP */ #endif /* UNIV_HOTBACKUP */
/************************************************************************* /*********************************************************************//**
Checks if a data main type is a string type. Also a BLOB is considered a Checks if a data main type is a string type. Also a BLOB is considered a
string type. string type.
@return TRUE if string type */ @return TRUE if string type */
...@@ -99,7 +100,7 @@ dtype_is_string_type( ...@@ -99,7 +100,7 @@ dtype_is_string_type(
return(FALSE); return(FALSE);
} }
/************************************************************************* /*********************************************************************//**
Checks if a type is a binary string type. Note that for tables created with Checks if a type is a binary string type. Note that for tables created with
< 4.0.14, we do not know if a DATA_BLOB column is a BLOB or a TEXT column. For < 4.0.14, we do not know if a DATA_BLOB column is a BLOB or a TEXT column. For
those DATA_BLOB columns this function currently returns FALSE. those DATA_BLOB columns this function currently returns FALSE.
...@@ -121,7 +122,7 @@ dtype_is_binary_string_type( ...@@ -121,7 +122,7 @@ dtype_is_binary_string_type(
return(FALSE); return(FALSE);
} }
/************************************************************************* /*********************************************************************//**
Checks if a type is a non-binary string type. That is, dtype_is_string_type is Checks if a type is a non-binary string type. That is, dtype_is_string_type is
TRUE and dtype_is_binary_string_type is FALSE. Note that for tables created TRUE and dtype_is_binary_string_type is FALSE. Note that for tables created
with < 4.0.14, we do not know if a DATA_BLOB column is a BLOB or a TEXT column. with < 4.0.14, we do not know if a DATA_BLOB column is a BLOB or a TEXT column.
...@@ -143,9 +144,10 @@ dtype_is_non_binary_string_type( ...@@ -143,9 +144,10 @@ dtype_is_non_binary_string_type(
return(FALSE); return(FALSE);
} }
/************************************************************************* /*********************************************************************//**
Forms a precise type from the < 4.1.2 format precise type plus the Forms a precise type from the < 4.1.2 format precise type plus the
charset-collation code. */ charset-collation code.
@return precise type, including the charset-collation code */
UNIV_INTERN UNIV_INTERN
ulint ulint
dtype_form_prtype( dtype_form_prtype(
...@@ -160,7 +162,7 @@ dtype_form_prtype( ...@@ -160,7 +162,7 @@ dtype_form_prtype(
return(old_prtype + (charset_coll << 16)); return(old_prtype + (charset_coll << 16));
} }
/************************************************************************* /*********************************************************************//**
Validates a data type structure. Validates a data type structure.
@return TRUE if ok */ @return TRUE if ok */
UNIV_INTERN UNIV_INTERN
...@@ -185,7 +187,7 @@ dtype_validate( ...@@ -185,7 +187,7 @@ dtype_validate(
} }
#ifndef UNIV_HOTBACKUP #ifndef UNIV_HOTBACKUP
/************************************************************************* /*********************************************************************//**
Prints a data type structure. */ Prints a data type structure. */
UNIV_INTERN UNIV_INTERN
void void
......
dict/dict0boot.c
View file @ 1601bdc3
...@@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA ...@@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA
*****************************************************************************/ *****************************************************************************/
/****************************************************** /**************************************************//**
@file dict/dict0boot.c
Data dictionary creation and booting Data dictionary creation and booting
Created 4/18/1996 Heikki Tuuri Created 4/18/1996 Heikki Tuuri
...@@ -39,7 +40,7 @@ Created 4/18/1996 Heikki Tuuri ...@@ -39,7 +40,7 @@ Created 4/18/1996 Heikki Tuuri
#include "log0recv.h" #include "log0recv.h"
#include "os0file.h" #include "os0file.h"
/************************************************************************** /**********************************************************************//**
Gets a pointer to the dictionary header and x-latches its page. Gets a pointer to the dictionary header and x-latches its page.
@return pointer to the dictionary header, page x-latched */ @return pointer to the dictionary header, page x-latched */
UNIV_INTERN UNIV_INTERN
...@@ -60,7 +61,7 @@ dict_hdr_get( ...@@ -60,7 +61,7 @@ dict_hdr_get(
return(header); return(header);
} }
/************************************************************************** /**********************************************************************//**
Returns a new table, index, or tree id. Returns a new table, index, or tree id.
@return the new id */ @return the new id */
UNIV_INTERN UNIV_INTERN
...@@ -89,7 +90,7 @@ dict_hdr_get_new_id( ...@@ -89,7 +90,7 @@ dict_hdr_get_new_id(
return(id); return(id);
} }
/************************************************************************** /**********************************************************************//**
Writes the current value of the row id counter to the dictionary header file Writes the current value of the row id counter to the dictionary header file
page. */ page. */
UNIV_INTERN UNIV_INTERN
...@@ -114,7 +115,7 @@ dict_hdr_flush_row_id(void) ...@@ -114,7 +115,7 @@ dict_hdr_flush_row_id(void)
mtr_commit(&mtr); mtr_commit(&mtr);
} }
/********************************************************************* /*****************************************************************//**
Creates the file page for the dictionary header. This function is Creates the file page for the dictionary header. This function is
called only at the database creation. called only at the database creation.
@return TRUE if succeed */ @return TRUE if succeed */
...@@ -217,7 +218,7 @@ dict_hdr_create( ...@@ -217,7 +218,7 @@ dict_hdr_create(
return(TRUE); return(TRUE);
} }
/********************************************************************* /*****************************************************************//**
Initializes the data dictionary memory structures when the database is Initializes the data dictionary memory structures when the database is
started. This function is also called when the data dictionary is created. */ started. This function is also called when the data dictionary is created. */
UNIV_INTERN UNIV_INTERN
...@@ -429,7 +430,7 @@ dict_boot(void) ...@@ -429,7 +430,7 @@ dict_boot(void)
mutex_exit(&(dict_sys->mutex)); mutex_exit(&(dict_sys->mutex));
} }
/********************************************************************* /*****************************************************************//**
Inserts the basic system table data into themselves in the database Inserts the basic system table data into themselves in the database
creation. */ creation. */
static static
...@@ -440,7 +441,7 @@ dict_insert_initial_data(void) ...@@ -440,7 +441,7 @@ dict_insert_initial_data(void)
/* Does nothing yet */ /* Does nothing yet */
} }
/********************************************************************* /*****************************************************************//**
Creates and initializes the data dictionary at the database creation. */ Creates and initializes the data dictionary at the database creation. */
UNIV_INTERN UNIV_INTERN
void void
......
dict/dict0crea.c
View file @ 1601bdc3
...@@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA ...@@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA
*****************************************************************************/ *****************************************************************************/
/****************************************************** /**************************************************//**
@file dict/dict0crea.c
Database object creation Database object creation
Created 1/8/1996 Heikki Tuuri Created 1/8/1996 Heikki Tuuri
...@@ -42,7 +43,7 @@ Created 1/8/1996 Heikki Tuuri ...@@ -42,7 +43,7 @@ Created 1/8/1996 Heikki Tuuri
#include "usr0sess.h" #include "usr0sess.h"
#include "ut0vec.h" #include "ut0vec.h"
/********************************************************************* /*****************************************************************//**
Based on a table object, this function builds the entry to be inserted Based on a table object, this function builds the entry to be inserted
in the SYS_TABLES system table. in the SYS_TABLES system table.
@return the tuple which should be inserted */ @return the tuple which should be inserted */
...@@ -134,7 +135,7 @@ dict_create_sys_tables_tuple( ...@@ -134,7 +135,7 @@ dict_create_sys_tables_tuple(
return(entry); return(entry);
} }
/********************************************************************* /*****************************************************************//**
Based on a table object, this function builds the entry to be inserted Based on a table object, this function builds the entry to be inserted
in the SYS_COLUMNS system table. in the SYS_COLUMNS system table.
@return the tuple which should be inserted */ @return the tuple which should be inserted */
...@@ -216,7 +217,7 @@ dict_create_sys_columns_tuple( ...@@ -216,7 +217,7 @@ dict_create_sys_columns_tuple(
return(entry); return(entry);
} }
/******************************************************************* /***************************************************************//**
Builds a table definition to insert. Builds a table definition to insert.
@return DB_SUCCESS or error code */ @return DB_SUCCESS or error code */
static static
...@@ -295,7 +296,7 @@ dict_build_table_def_step( ...@@ -295,7 +296,7 @@ dict_build_table_def_step(
return(DB_SUCCESS); return(DB_SUCCESS);
} }
/******************************************************************* /***************************************************************//**
Builds a column definition to insert. Builds a column definition to insert.
@return DB_SUCCESS */ @return DB_SUCCESS */
static static
...@@ -313,7 +314,7 @@ dict_build_col_def_step( ...@@ -313,7 +314,7 @@ dict_build_col_def_step(
return(DB_SUCCESS); return(DB_SUCCESS);
} }
/********************************************************************* /*****************************************************************//**
Based on an index object, this function builds the entry to be inserted Based on an index object, this function builds the entry to be inserted
in the SYS_INDEXES system table. in the SYS_INDEXES system table.
@return the tuple which should be inserted */ @return the tuple which should be inserted */
...@@ -403,7 +404,7 @@ dict_create_sys_indexes_tuple( ...@@ -403,7 +404,7 @@ dict_create_sys_indexes_tuple(
return(entry); return(entry);
} }
/********************************************************************* /*****************************************************************//**
Based on an index object, this function builds the entry to be inserted Based on an index object, this function builds the entry to be inserted
in the SYS_FIELDS system table. in the SYS_FIELDS system table.
@return the tuple which should be inserted */ @return the tuple which should be inserted */
...@@ -479,7 +480,7 @@ dict_create_sys_fields_tuple( ...@@ -479,7 +480,7 @@ dict_create_sys_fields_tuple(
return(entry); return(entry);
} }
/********************************************************************* /*****************************************************************//**
Creates the tuple with which the index entry is searched for writing the index Creates the tuple with which the index entry is searched for writing the index
tree root page number, if such a tree is created. tree root page number, if such a tree is created.
@return the tuple for search */ @return the tuple for search */
...@@ -515,7 +516,7 @@ dict_create_search_tuple( ...@@ -515,7 +516,7 @@ dict_create_search_tuple(
return(search_tuple); return(search_tuple);
} }
/******************************************************************* /***************************************************************//**
Builds an index definition row to insert. Builds an index definition row to insert.
@return DB_SUCCESS or error code */ @return DB_SUCCESS or error code */
static static
...@@ -567,7 +568,7 @@ dict_build_index_def_step( ...@@ -567,7 +568,7 @@ dict_build_index_def_step(
return(DB_SUCCESS); return(DB_SUCCESS);
} }
/******************************************************************* /***************************************************************//**
Builds a field definition row to insert. Builds a field definition row to insert.
@return DB_SUCCESS */ @return DB_SUCCESS */
static static
...@@ -588,7 +589,7 @@ dict_build_field_def_step( ...@@ -588,7 +589,7 @@ dict_build_field_def_step(
return(DB_SUCCESS); return(DB_SUCCESS);
} }
/******************************************************************* /***************************************************************//**
Creates an index tree for the index if it is not a member of a cluster. Creates an index tree for the index if it is not a member of a cluster.
@return DB_SUCCESS or DB_OUT_OF_FILE_SPACE */ @return DB_SUCCESS or DB_OUT_OF_FILE_SPACE */
static static
...@@ -645,7 +646,7 @@ dict_create_index_tree_step( ...@@ -645,7 +646,7 @@ dict_create_index_tree_step(
return(DB_SUCCESS); return(DB_SUCCESS);
} }
/*********************************************************************** /*******************************************************************//**
Drops the index tree associated with a row in SYS_INDEXES table. */ Drops the index tree associated with a row in SYS_INDEXES table. */
UNIV_INTERN UNIV_INTERN
void void
...@@ -708,7 +709,7 @@ dict_drop_index_tree( ...@@ -708,7 +709,7 @@ dict_drop_index_tree(
FIL_NULL, mtr); FIL_NULL, mtr);
} }
/*********************************************************************** /*******************************************************************//**
Truncates the index tree associated with a row in SYS_INDEXES table. Truncates the index tree associated with a row in SYS_INDEXES table.
@return new root page number, or FIL_NULL on failure */ @return new root page number, or FIL_NULL on failure */
UNIV_INTERN UNIV_INTERN
...@@ -843,7 +844,7 @@ create: ...@@ -843,7 +844,7 @@ create:
return(FIL_NULL); return(FIL_NULL);
} }
/************************************************************************* /*********************************************************************//**
Creates a table create graph. Creates a table create graph.
@return own: table create node */ @return own: table create node */
UNIV_INTERN UNIV_INTERN
...@@ -879,7 +880,7 @@ tab_create_graph_create( ...@@ -879,7 +880,7 @@ tab_create_graph_create(
return(node); return(node);
} }
/************************************************************************* /*********************************************************************//**
Creates an index create graph. Creates an index create graph.
@return own: index create node */ @return own: index create node */
UNIV_INTERN UNIV_INTERN
...@@ -916,7 +917,7 @@ ind_create_graph_create( ...@@ -916,7 +917,7 @@ ind_create_graph_create(
return(node); return(node);
} }
/*************************************************************** /***********************************************************//**
Creates a table. This is a high-level function used in SQL execution graphs. Creates a table. This is a high-level function used in SQL execution graphs.
@return query thread to run next or NULL */ @return query thread to run next or NULL */
UNIV_INTERN UNIV_INTERN
...@@ -1022,7 +1023,7 @@ function_exit: ...@@ -1022,7 +1023,7 @@ function_exit:
return(thr); return(thr);
} }
/*************************************************************** /***********************************************************//**
Creates an index. This is a high-level function used in SQL execution Creates an index. This is a high-level function used in SQL execution
graphs. graphs.
@return query thread to run next or NULL */ @return query thread to run next or NULL */
...@@ -1153,7 +1154,7 @@ function_exit: ...@@ -1153,7 +1154,7 @@ function_exit:
return(thr); return(thr);
} }
/******************************************************************** /****************************************************************//**
Creates the foreign key constraints system tables inside InnoDB Creates the foreign key constraints system tables inside InnoDB
at database creation or database start if they are not found or are at database creation or database start if they are not found or are
not of the right form. not of the right form.
...@@ -1274,7 +1275,7 @@ dict_create_or_check_foreign_constraint_tables(void) ...@@ -1274,7 +1275,7 @@ dict_create_or_check_foreign_constraint_tables(void)
return(error); return(error);
} }
/******************************************************************** /****************************************************************//**
Evaluate the given foreign key SQL statement. Evaluate the given foreign key SQL statement.
@return error code or DB_SUCCESS */ @return error code or DB_SUCCESS */
static static
...@@ -1339,7 +1340,7 @@ dict_foreign_eval_sql( ...@@ -1339,7 +1340,7 @@ dict_foreign_eval_sql(
return(DB_SUCCESS); return(DB_SUCCESS);
} }
/************************************************************************ /********************************************************************//**
Add a single foreign key field definition to the data dictionary tables in Add a single foreign key field definition to the data dictionary tables in
the database. the database.
@return error code or DB_SUCCESS */ @return error code or DB_SUCCESS */
...@@ -1374,7 +1375,7 @@ dict_create_add_foreign_field_to_dictionary( ...@@ -1374,7 +1375,7 @@ dict_create_add_foreign_field_to_dictionary(
table, foreign, trx)); table, foreign, trx));
} }
/************************************************************************ /********************************************************************//**
Add a single foreign key definition to the data dictionary tables in the Add a single foreign key definition to the data dictionary tables in the
database. We also generate names to constraints that were not named by the database. We also generate names to constraints that were not named by the
user. A generated constraint has a name of the format user. A generated constraint has a name of the format
...@@ -1449,7 +1450,7 @@ dict_create_add_foreign_to_dictionary( ...@@ -1449,7 +1450,7 @@ dict_create_add_foreign_to_dictionary(
return(error); return(error);
} }
/************************************************************************ /********************************************************************//**
Adds foreign key definitions to data dictionary tables in the database. Adds foreign key definitions to data dictionary tables in the database.
@return error code or DB_SUCCESS */ @return error code or DB_SUCCESS */
UNIV_INTERN UNIV_INTERN
......
dict/dict0dict.c
View file @ 1601bdc3
This diff is collapsed.
dict/dict0load.c
View file @ 1601bdc3
...@@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA ...@@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA
*****************************************************************************/ *****************************************************************************/
/****************************************************** /**************************************************//**
@file dict/dict0load.c
Loads to the memory cache database object definitions Loads to the memory cache database object definitions
from dictionary tables from dictionary tables
...@@ -40,17 +41,17 @@ Created 4/24/1996 Heikki Tuuri ...@@ -40,17 +41,17 @@ Created 4/24/1996 Heikki Tuuri
#include "srv0start.h" #include "srv0start.h"
#include "srv0srv.h" #include "srv0srv.h"
/******************************************************************** /****************************************************************//**
Returns TRUE if index's i'th column's name is 'name' . Compare the name of an index column.
@return */ @return TRUE if the i'th column of index is 'name'. */
static static
ibool ibool
name_of_col_is( name_of_col_is(
/*===========*/ /*===========*/
dict_table_t* table, /*!< in: table */ const dict_table_t* table, /*!< in: table */
dict_index_t* index, /*!< in: index */ const dict_index_t* index, /*!< in: index */
ulint i, /*!< in: */ ulint i, /*!< in: index field offset */
const char* name) /*!< in: name to compare to */ const char* name) /*!< in: name to compare to */
{ {
ulint tmp = dict_col_get_no(dict_field_get_col( ulint tmp = dict_col_get_no(dict_field_get_col(
dict_index_get_nth_field( dict_index_get_nth_field(
...@@ -59,9 +60,10 @@ name_of_col_is( ...@@ -59,9 +60,10 @@ name_of_col_is(
return(strcmp(name, dict_table_get_col_name(table, tmp)) == 0); return(strcmp(name, dict_table_get_col_name(table, tmp)) == 0);
} }
/************************************************************************ /********************************************************************//**
Finds the first table name in the given database. Finds the first table name in the given database.
@return own: table name, NULL if does not exist; the caller must free the memory in the string! */ @return own: table name, NULL if does not exist; the caller must free
the memory in the string! */
UNIV_INTERN UNIV_INTERN
char* char*
dict_get_first_table_name_in_db( dict_get_first_table_name_in_db(
...@@ -141,7 +143,7 @@ loop: ...@@ -141,7 +143,7 @@ loop:
goto loop; goto loop;
} }
/************************************************************************ /********************************************************************//**
Prints to the standard output information on all tables found in the data Prints to the standard output information on all tables found in the data
dictionary system table. */ dictionary system table. */
UNIV_INTERN UNIV_INTERN
...@@ -234,9 +236,10 @@ loop: ...@@ -234,9 +236,10 @@ loop:
goto loop; goto loop;
} }
/************************************************************************ /********************************************************************//**
Determine the flags of a table described in SYS_TABLES. Determine the flags of a table described in SYS_TABLES.
@return compressed page size in kilobytes; or 0 if the tablespace is uncompressed, ULINT_UNDEFINED on error */ @return compressed page size in kilobytes; or 0 if the tablespace is
uncompressed, ULINT_UNDEFINED on error */
static static
ulint ulint
dict_sys_tables_get_flags( dict_sys_tables_get_flags(
...@@ -295,7 +298,7 @@ dict_sys_tables_get_flags( ...@@ -295,7 +298,7 @@ dict_sys_tables_get_flags(
return(flags); return(flags);
} }
/************************************************************************ /********************************************************************//**
In a crash recovery we already have all the tablespace objects created. In a crash recovery we already have all the tablespace objects created.
This function compares the space id information in the InnoDB data dictionary This function compares the space id information in the InnoDB data dictionary
to what we already read with fil_load_single_table_tablespaces(). to what we already read with fil_load_single_table_tablespaces().
...@@ -417,7 +420,7 @@ loop: ...@@ -417,7 +420,7 @@ loop:
goto loop; goto loop;
} }
/************************************************************************ /********************************************************************//**
Loads definitions for table columns. */ Loads definitions for table columns. */
static static
void void
...@@ -523,7 +526,7 @@ dict_load_columns( ...@@ -523,7 +526,7 @@ dict_load_columns(
mtr_commit(&mtr); mtr_commit(&mtr);
} }
/************************************************************************ /********************************************************************//**
Loads definitions for index fields. */ Loads definitions for index fields. */
static static
void void
...@@ -624,10 +627,11 @@ next_rec: ...@@ -624,10 +627,11 @@ next_rec:
mtr_commit(&mtr); mtr_commit(&mtr);
} }
/************************************************************************ /********************************************************************//**
Loads definitions for table indexes. Adds them to the data dictionary Loads definitions for table indexes. Adds them to the data dictionary
cache. cache.
@return DB_SUCCESS if ok, DB_CORRUPTION if corruption of dictionary table or DB_UNSUPPORTED if table has unknown index type */ @return DB_SUCCESS if ok, DB_CORRUPTION if corruption of dictionary
table or DB_UNSUPPORTED if table has unknown index type */
static static
ulint ulint
dict_load_indexes( dict_load_indexes(
...@@ -796,13 +800,15 @@ func_exit: ...@@ -796,13 +800,15 @@ func_exit:
return(error); return(error);
} }
/************************************************************************ /********************************************************************//**
Loads a table definition and also all its index definitions, and also Loads a table definition and also all its index definitions, and also
the cluster definition if the table is a member in a cluster. Also loads the cluster definition if the table is a member in a cluster. Also loads
all foreign key constraints where the foreign key is in the table or where all foreign key constraints where the foreign key is in the table or where
a foreign key references columns in this table. Adds all these to the data a foreign key references columns in this table. Adds all these to the data
dictionary cache. dictionary cache.
@return table, NULL if does not exist; if the table is stored in an .ibd file, but the file does not exist, then we set the ibd_file_missing flag TRUE in the table object we return */ @return table, NULL if does not exist; if the table is stored in an
.ibd file, but the file does not exist, then we set the
ibd_file_missing flag TRUE in the table object we return */
UNIV_INTERN UNIV_INTERN
dict_table_t* dict_table_t*
dict_load_table( dict_load_table(
...@@ -987,7 +993,7 @@ err_exit: ...@@ -987,7 +993,7 @@ err_exit:
return(table); return(table);
} }
/*************************************************************************** /***********************************************************************//**
Loads a table object based on the table id. Loads a table object based on the table id.
@return table; NULL if table does not exist */ @return table; NULL if table does not exist */
UNIV_INTERN UNIV_INTERN
...@@ -1078,7 +1084,7 @@ dict_load_table_on_id( ...@@ -1078,7 +1084,7 @@ dict_load_table_on_id(
return(table); return(table);
} }
/************************************************************************ /********************************************************************//**
This function is called when the database is booted. Loads system table This function is called when the database is booted. Loads system table
index definitions except for the clustered index which is added to the index definitions except for the clustered index which is added to the
dictionary cache at booting before calling this function. */ dictionary cache at booting before calling this function. */
...@@ -1099,7 +1105,7 @@ dict_load_sys_table( ...@@ -1099,7 +1105,7 @@ dict_load_sys_table(
mem_heap_free(heap); mem_heap_free(heap);
} }
/************************************************************************ /********************************************************************//**
Loads foreign key constraint col names (also for the referenced table). */ Loads foreign key constraint col names (also for the referenced table). */
static static
void void
...@@ -1171,7 +1177,7 @@ dict_load_foreign_cols( ...@@ -1171,7 +1177,7 @@ dict_load_foreign_cols(
mtr_commit(&mtr); mtr_commit(&mtr);
} }
/*************************************************************************** /***********************************************************************//**
Loads a foreign key constraint to the dictionary cache. Loads a foreign key constraint to the dictionary cache.
@return DB_SUCCESS or error code */ @return DB_SUCCESS or error code */
static static
...@@ -1296,7 +1302,7 @@ dict_load_foreign( ...@@ -1296,7 +1302,7 @@ dict_load_foreign(
return(dict_foreign_add_to_cache(foreign, check_charsets)); return(dict_foreign_add_to_cache(foreign, check_charsets));
} }
/*************************************************************************** /***********************************************************************//**
Loads foreign key constraints where the table is either the foreign key Loads foreign key constraints where the table is either the foreign key
holder or where the table is referenced by a foreign key. Adds these holder or where the table is referenced by a foreign key. Adds these
constraints to the data dictionary. Note that we know that the dictionary constraints to the data dictionary. Note that we know that the dictionary
......
dict/dict0mem.c
View file @ 1601bdc3
...@@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA ...@@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA
*****************************************************************************/ *****************************************************************************/
/********************************************************************** /******************************************************************//**
@file dict/dict0mem.c
Data dictionary memory object creation Data dictionary memory object creation
Created 1/8/1996 Heikki Tuuri Created 1/8/1996 Heikki Tuuri
...@@ -36,10 +37,10 @@ Created 1/8/1996 Heikki Tuuri ...@@ -36,10 +37,10 @@ Created 1/8/1996 Heikki Tuuri
# include "lock0lock.h" # include "lock0lock.h"
#endif /* !UNIV_HOTBACKUP */ #endif /* !UNIV_HOTBACKUP */
#define DICT_HEAP_SIZE 100 /* initial memory heap size when #define DICT_HEAP_SIZE 100 /*!< initial memory heap size when
creating a table or index object */ creating a table or index object */
/************************************************************************** /**********************************************************************//**
Creates a table memory object. Creates a table memory object.
@return own: table object */ @return own: table object */
UNIV_INTERN UNIV_INTERN
...@@ -90,7 +91,7 @@ dict_mem_table_create( ...@@ -90,7 +91,7 @@ dict_mem_table_create(
return(table); return(table);
} }
/******************************************************************** /****************************************************************//**
Free a table memory object. */ Free a table memory object. */
UNIV_INTERN UNIV_INTERN
void void
...@@ -106,8 +107,8 @@ dict_mem_table_free( ...@@ -106,8 +107,8 @@ dict_mem_table_free(
mem_heap_free(table->heap); mem_heap_free(table->heap);
} }
/******************************************************************** /****************************************************************//**
Append 'name' to 'col_names' (@see dict_table_t::col_names). Append 'name' to 'col_names'. @see dict_table_t::col_names
@return new column names array */ @return new column names array */
static static
const char* const char*
...@@ -154,7 +155,7 @@ dict_add_col_name( ...@@ -154,7 +155,7 @@ dict_add_col_name(
return(res); return(res);
} }
/************************************************************************** /**********************************************************************//**
Adds a column definition to a table. */ Adds a column definition to a table. */
UNIV_INTERN UNIV_INTERN
void void
...@@ -211,7 +212,7 @@ dict_mem_table_add_col( ...@@ -211,7 +212,7 @@ dict_mem_table_add_col(
#endif /* !UNIV_HOTBACKUP */ #endif /* !UNIV_HOTBACKUP */
} }
/************************************************************************** /**********************************************************************//**
Creates an index memory object. Creates an index memory object.
@return own: index object */ @return own: index object */
UNIV_INTERN UNIV_INTERN
...@@ -254,7 +255,7 @@ dict_mem_index_create( ...@@ -254,7 +255,7 @@ dict_mem_index_create(
return(index); return(index);
} }
/************************************************************************** /**********************************************************************//**
Creates and initializes a foreign constraint memory object. Creates and initializes a foreign constraint memory object.
@return own: foreign constraint struct */ @return own: foreign constraint struct */
UNIV_INTERN UNIV_INTERN
...@@ -274,7 +275,7 @@ dict_mem_foreign_create(void) ...@@ -274,7 +275,7 @@ dict_mem_foreign_create(void)
return(foreign); return(foreign);
} }
/************************************************************************** /**********************************************************************//**
Adds a field definition to an index. NOTE: does not take a copy Adds a field definition to an index. NOTE: does not take a copy
of the column name if the field is a column. The memory occupied of the column name if the field is a column. The memory occupied
by the column name may be released only after publishing the index. */ by the column name may be released only after publishing the index. */
...@@ -301,7 +302,7 @@ dict_mem_index_add_field( ...@@ -301,7 +302,7 @@ dict_mem_index_add_field(
field->prefix_len = (unsigned int) prefix_len; field->prefix_len = (unsigned int) prefix_len;
} }
/************************************************************************** /**********************************************************************//**
Frees an index memory object. */ Frees an index memory object. */
UNIV_INTERN UNIV_INTERN
void void
......
dyn/dyn0dyn.c
View file @ 1601bdc3
...@@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA ...@@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA
*****************************************************************************/ *****************************************************************************/
/****************************************************** /**************************************************//**
@file dyn/dyn0dyn.c
The dynamically allocated array The dynamically allocated array
Created 2/5/1996 Heikki Tuuri Created 2/5/1996 Heikki Tuuri
...@@ -27,7 +28,7 @@ Created 2/5/1996 Heikki Tuuri ...@@ -27,7 +28,7 @@ Created 2/5/1996 Heikki Tuuri
#include "dyn0dyn.ic" #include "dyn0dyn.ic"
#endif #endif
/**************************************************************** /************************************************************//**
Adds a new block to a dyn array. Adds a new block to a dyn array.
@return created block */ @return created block */
UNIV_INTERN UNIV_INTERN
......
eval/eval0eval.c
View file @ 1601bdc3
...@@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA ...@@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA
*****************************************************************************/ *****************************************************************************/
/****************************************************** /**************************************************//**
@file eval/eval0eval.c
SQL evaluator: evaluates simple data structures, like expressions, in SQL evaluator: evaluates simple data structures, like expressions, in
a query graph a query graph
...@@ -32,15 +33,15 @@ Created 12/29/1997 Heikki Tuuri ...@@ -32,15 +33,15 @@ Created 12/29/1997 Heikki Tuuri
#include "data0data.h" #include "data0data.h"
#include "row0sel.h" #include "row0sel.h"
/* The RND function seed */ /** The RND function seed */
static ulint eval_rnd = 128367121; static ulint eval_rnd = 128367121;
/* Dummy adress used when we should allocate a buffer of size 0 in /** Dummy adress used when we should allocate a buffer of size 0 in
the function below */ eval_node_alloc_val_buf */
static byte eval_dummy; static byte eval_dummy;
/********************************************************************* /*****************************************************************//**
Allocate a buffer from global dynamic memory for a value of a que_node. Allocate a buffer from global dynamic memory for a value of a que_node.
NOTE that this memory must be explicitly freed when the query graph is NOTE that this memory must be explicitly freed when the query graph is
freed. If the node already has an allocated buffer, that buffer is freed freed. If the node already has an allocated buffer, that buffer is freed
...@@ -83,7 +84,7 @@ eval_node_alloc_val_buf( ...@@ -83,7 +84,7 @@ eval_node_alloc_val_buf(
return(data); return(data);
} }
/********************************************************************* /*****************************************************************//**
Free the buffer from global dynamic memory for a value of a que_node, Free the buffer from global dynamic memory for a value of a que_node,
if it has been allocated in the above function. The freeing for pushed if it has been allocated in the above function. The freeing for pushed
column values is done in sel_col_prefetch_buf_free. */ column values is done in sel_col_prefetch_buf_free. */
...@@ -110,7 +111,7 @@ eval_node_free_val_buf( ...@@ -110,7 +111,7 @@ eval_node_free_val_buf(
} }
} }
/********************************************************************* /*****************************************************************//**
Evaluates a comparison node. Evaluates a comparison node.
@return the result of the comparison */ @return the result of the comparison */
UNIV_INTERN UNIV_INTERN
...@@ -169,7 +170,7 @@ eval_cmp( ...@@ -169,7 +170,7 @@ eval_cmp(
return(val); return(val);
} }
/********************************************************************* /*****************************************************************//**
Evaluates a logical operation node. */ Evaluates a logical operation node. */
UNIV_INLINE UNIV_INLINE
void void
...@@ -210,7 +211,7 @@ eval_logical( ...@@ -210,7 +211,7 @@ eval_logical(
eval_node_set_ibool_val(logical_node, val); eval_node_set_ibool_val(logical_node, val);
} }
/********************************************************************* /*****************************************************************//**
Evaluates an arithmetic operation node. */ Evaluates an arithmetic operation node. */
UNIV_INLINE UNIV_INLINE
void void
...@@ -254,7 +255,7 @@ eval_arith( ...@@ -254,7 +255,7 @@ eval_arith(
eval_node_set_int_val(arith_node, val); eval_node_set_int_val(arith_node, val);
} }
/********************************************************************* /*****************************************************************//**
Evaluates an aggregate operation node. */ Evaluates an aggregate operation node. */
UNIV_INLINE UNIV_INLINE
void void
...@@ -288,7 +289,7 @@ eval_aggregate( ...@@ -288,7 +289,7 @@ eval_aggregate(
eval_node_set_int_val(node, val); eval_node_set_int_val(node, val);
} }
/********************************************************************* /*****************************************************************//**
Evaluates a predefined function node where the function is not relevant Evaluates a predefined function node where the function is not relevant
in benchmarks. */ in benchmarks. */
static static
...@@ -375,7 +376,7 @@ eval_predefined_2( ...@@ -375,7 +376,7 @@ eval_predefined_2(
} }
} }
/********************************************************************* /*****************************************************************//**
Evaluates a notfound-function node. */ Evaluates a notfound-function node. */
UNIV_INLINE UNIV_INLINE
void void
...@@ -417,7 +418,7 @@ eval_notfound( ...@@ -417,7 +418,7 @@ eval_notfound(
eval_node_set_ibool_val(func_node, ibool_val); eval_node_set_ibool_val(func_node, ibool_val);
} }
/********************************************************************* /*****************************************************************//**
Evaluates a substr-function node. */ Evaluates a substr-function node. */
UNIV_INLINE UNIV_INLINE
void void
...@@ -450,7 +451,7 @@ eval_substr( ...@@ -450,7 +451,7 @@ eval_substr(
dfield_set_data(dfield, str1 + len1, len2); dfield_set_data(dfield, str1 + len1, len2);
} }
/********************************************************************* /*****************************************************************//**
Evaluates a replstr-procedure node. */ Evaluates a replstr-procedure node. */
static static
void void
...@@ -490,7 +491,7 @@ eval_replstr( ...@@ -490,7 +491,7 @@ eval_replstr(
ut_memcpy(str1 + len1, str2, len2); ut_memcpy(str1 + len1, str2, len2);
} }
/********************************************************************* /*****************************************************************//**
Evaluates an instr-function node. */ Evaluates an instr-function node. */
static static
void void
...@@ -562,7 +563,7 @@ match_found: ...@@ -562,7 +563,7 @@ match_found:
eval_node_set_int_val(func_node, int_val); eval_node_set_int_val(func_node, int_val);
} }
/********************************************************************* /*****************************************************************//**
Evaluates a predefined function node. */ Evaluates a predefined function node. */
UNIV_INLINE UNIV_INLINE
void void
...@@ -600,7 +601,7 @@ eval_binary_to_number( ...@@ -600,7 +601,7 @@ eval_binary_to_number(
eval_node_copy_and_alloc_val(func_node, str2, 4); eval_node_copy_and_alloc_val(func_node, str2, 4);
} }
/********************************************************************* /*****************************************************************//**
Evaluates a predefined function node. */ Evaluates a predefined function node. */
static static
void void
...@@ -642,7 +643,7 @@ eval_concat( ...@@ -642,7 +643,7 @@ eval_concat(
} }
} }
/********************************************************************* /*****************************************************************//**
Evaluates a predefined function node. If the first argument is an integer, Evaluates a predefined function node. If the first argument is an integer,
this function looks at the second argument which is the integer length in this function looks at the second argument which is the integer length in
bytes, and converts the integer to a VARCHAR. bytes, and converts the integer to a VARCHAR.
...@@ -690,7 +691,7 @@ eval_to_binary( ...@@ -690,7 +691,7 @@ eval_to_binary(
dfield_set_data(dfield, str1 + (4 - len1), len1); dfield_set_data(dfield, str1 + (4 - len1), len1);
} }
/********************************************************************* /*****************************************************************//**
Evaluates a predefined function node. */ Evaluates a predefined function node. */
UNIV_INLINE UNIV_INLINE
void void
...@@ -782,7 +783,7 @@ eval_predefined( ...@@ -782,7 +783,7 @@ eval_predefined(
eval_node_set_int_val(func_node, int_val); eval_node_set_int_val(func_node, int_val);
} }
/********************************************************************* /*****************************************************************//**
Evaluates a function node. */ Evaluates a function node. */
UNIV_INTERN UNIV_INTERN
void void
......
eval/eval0proc.c
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...@@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA ...@@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA
*****************************************************************************/ *****************************************************************************/
/****************************************************** /**************************************************//**
@file eval/eval0proc.c
Executes SQL stored procedures and their control structures Executes SQL stored procedures and their control structures
Created 1/20/1998 Heikki Tuuri Created 1/20/1998 Heikki Tuuri
...@@ -28,7 +29,7 @@ Created 1/20/1998 Heikki Tuuri ...@@ -28,7 +29,7 @@ Created 1/20/1998 Heikki Tuuri
#include "eval0proc.ic" #include "eval0proc.ic"
#endif #endif
/************************************************************************** /**********************************************************************//**
Performs an execution step of an if-statement node. Performs an execution step of an if-statement node.
@return query thread to run next or NULL */ @return query thread to run next or NULL */
UNIV_INTERN UNIV_INTERN
...@@ -104,7 +105,7 @@ if_step( ...@@ -104,7 +105,7 @@ if_step(
return(thr); return(thr);
} }
/************************************************************************** /**********************************************************************//**
Performs an execution step of a while-statement node. Performs an execution step of a while-statement node.
@return query thread to run next or NULL */ @return query thread to run next or NULL */
UNIV_INTERN UNIV_INTERN
...@@ -140,7 +141,7 @@ while_step( ...@@ -140,7 +141,7 @@ while_step(
return(thr); return(thr);
} }
/************************************************************************** /**********************************************************************//**
Performs an execution step of an assignment statement node. Performs an execution step of an assignment statement node.
@return query thread to run next or NULL */ @return query thread to run next or NULL */
UNIV_INTERN UNIV_INTERN
...@@ -167,7 +168,7 @@ assign_step( ...@@ -167,7 +168,7 @@ assign_step(
return(thr); return(thr);
} }
/************************************************************************** /**********************************************************************//**
Performs an execution step of a for-loop node. Performs an execution step of a for-loop node.
@return query thread to run next or NULL */ @return query thread to run next or NULL */
UNIV_INTERN UNIV_INTERN
...@@ -229,7 +230,7 @@ for_step( ...@@ -229,7 +230,7 @@ for_step(
return(thr); return(thr);
} }
/************************************************************************** /**********************************************************************//**
Performs an execution step of an exit statement node. Performs an execution step of an exit statement node.
@return query thread to run next or NULL */ @return query thread to run next or NULL */
UNIV_INTERN UNIV_INTERN
...@@ -261,7 +262,7 @@ exit_step( ...@@ -261,7 +262,7 @@ exit_step(
return(thr); return(thr);
} }
/************************************************************************** /**********************************************************************//**
Performs an execution step of a return-statement node. Performs an execution step of a return-statement node.
@return query thread to run next or NULL */ @return query thread to run next or NULL */
UNIV_INTERN UNIV_INTERN
......
fil/fil0fil.c
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fut/fut0fut.c
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...@@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA ...@@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA
*****************************************************************************/ *****************************************************************************/
/********************************************************************** /******************************************************************//**
@file fut/fut0fut.c
File-based utilities File-based utilities
Created 12/13/1995 Heikki Tuuri Created 12/13/1995 Heikki Tuuri
......
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...@@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA ...@@ -16,7 +16,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA
*****************************************************************************/ *****************************************************************************/
/****************************************************** /**************************************************//**
@file ha/ha0storage.c
Hash storage. Hash storage.
Provides a data structure that stores chunks of data in Provides a data structure that stores chunks of data in
its own storage, avoiding duplicates. its own storage, avoiding duplicates.
...@@ -34,7 +35,7 @@ Created September 22, 2007 Vasil Dimov ...@@ -34,7 +35,7 @@ Created September 22, 2007 Vasil Dimov
#include "ha0storage.ic" #include "ha0storage.ic"
#endif #endif
/*********************************************************************** /*******************************************************************//**
Retrieves a data from a storage. If it is present, a pointer to the Retrieves a data from a storage. If it is present, a pointer to the
stored copy of data is returned, otherwise NULL is returned. */ stored copy of data is returned, otherwise NULL is returned. */
static static
...@@ -73,7 +74,7 @@ ha_storage_get( ...@@ -73,7 +74,7 @@ ha_storage_get(
return(node->data); return(node->data);
} }
/*********************************************************************** /*******************************************************************//**
Copies data into the storage and returns a pointer to the copy. If the Copies data into the storage and returns a pointer to the copy. If the
same data chunk is already present, then pointer to it is returned. same data chunk is already present, then pointer to it is returned.
Data chunks are considered to be equal if len1 == len2 and Data chunks are considered to be equal if len1 == len2 and
......
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...@@ -16,12 +16,13 @@ Place, Suite 330, Boston, MA 02111-1307 USA ...@@ -16,12 +16,13 @@ Place, Suite 330, Boston, MA 02111-1307 USA
*****************************************************************************/ *****************************************************************************/
/*********************************************************************** /*******************************************************************//**
@file handler/handler0vars.h
This file contains accessor functions for dynamic plugin on Windows. This file contains accessor functions for dynamic plugin on Windows.
***********************************************************************/ ***********************************************************************/
#if defined __WIN__ && defined MYSQL_DYNAMIC_PLUGIN #if defined __WIN__ && defined MYSQL_DYNAMIC_PLUGIN
/*********************************************************************** /*******************************************************************//**
This is a list of externals that can not be resolved by delay loading. This is a list of externals that can not be resolved by delay loading.
They have to be resolved indirectly via their addresses in the .map file. They have to be resolved indirectly via their addresses in the .map file.
All of them are external variables. */ All of them are external variables. */
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