merge with 3.23.52

BitKeeper/etc/config:
  Auto merged
Docs/manual.texi:
  Auto merged
innobase/trx/trx0trx.c:
  Auto merged
sql/ha_innodb.cc:
  Auto merged
sql/ha_innodb.h:
  Auto merged

BitKeeper/triggers/post-commit

@@ -80,5 +80,5 @@ EOF
  fi
 
 else
- echo "commit failed because '$BK_STATUS', sorry life is hard..." 
+  echo "commit failed because '$BK_STATUS', you may need to re-clone..." 
 fi

Docs/manual.texi

@@ -50831,6 +50831,7 @@ users use this code as the rest of the code and because of this we are
 not yet 100% confident in this code.
 
 @menu
+* News-3.23.53::                Changes in release 3.23.53
 * News-3.23.52::                Changes in release 3.23.52
 * News-3.23.51::                Changes in release 3.23.51 (31 May 2002)
 * News-3.23.50::                Changes in release 3.23.50 (21 Apr 2002)
@@ -50887,8 +50888,15 @@ not yet 100% confident in this code.
 * News-3.23.0::                 Changes in release 3.23.0 (05 Aug 1999: Alpha)
 @end menu
 
-@node News-3.23.52, News-3.23.51, News-3.23.x, News-3.23.x
+@node News-3.23.53, News-3.23.52, News-3.23.x, News-3.23.x
+@appendixsubsec Changes in release 3.23.53
+
+@itemize @bullet
+@end itemize
+
+@node News-3.23.52, News-3.23.51, News-3.23.53, News-3.23.x
 @appendixsubsec Changes in release 3.23.52
+
 @itemize @bullet
 @item
 Fixed problem with @code{UNSIGNED BIGINT} on AIX.

innobase/include/os0thread.h

@@ -25,33 +25,37 @@ can wait inside InnoDB */
 
 #ifdef __WIN__
 typedef void*			os_thread_t;
+typedef ulint			os_thread_id_t;	/* In Windows the thread id
+						is an unsigned long int */
 #else
 typedef pthread_t               os_thread_t;
+typedef os_thread_t          	os_thread_id_t;	/* In Unix we use the thread
+						handle itself as the id of
+						the thread */
 #endif
 
-#define os_thread_id_t          os_thread_t
 
 /* Define a function pointer type to use in a typecast */
 typedef void* (*os_posix_f_t) (void*);
 
 /*******************************************************************
-Compares two threads or thread ids for equality */
+Compares two thread ids for equality. */
 
 ibool
 os_thread_eq(
 /*=========*/
 				/* out: TRUE if equal */
-	os_thread_t	a,	/* in: OS thread or thread id */
-	os_thread_t	b);	/* in: OS thread or thread id */
+	os_thread_id_t	a,	/* in: OS thread or thread id */
+	os_thread_id_t	b);	/* in: OS thread or thread id */
 /********************************************************************
-Converts an OS thread or thread id to a ulint. It is NOT guaranteed that
-the ulint is unique for the thread though! */
+Converts an OS thread id to a ulint. It is NOT guaranteed that the ulint is
+unique for the thread though! */
 
 ulint
 os_thread_pf(
 /*=========*/
 				/* out: unsigned long int */
-	os_thread_t	a);	/* in: thread or thread id */
+	os_thread_id_t	a);	/* in: thread or thread id */
 /********************************************************************
 Creates a new thread of execution. The execution starts from
 the function given. The start function takes a void* parameter
@@ -69,10 +73,8 @@ os_thread_create(
 #endif
 	void*			arg,		/* in: argument to start
 						function */
-	os_thread_id_t*		thread_id);	/* out: id of created
-						thread; currently this is
-						identical to the handle to
-						the thread */
+	os_thread_id_t*		thread_id);	/* out: id of the created
+						thread */
 /*********************************************************************
 A thread calling this function ends its execution. */
 

innobase/os/os0thread.c

@@ -19,14 +19,14 @@ Created 9/8/1995 Heikki Tuuri
 #include "srv0srv.h"
 
 /*******************************************************************
-Compares two threads or thread ids for equality */
+Compares two thread ids for equality. */
 
 ibool
 os_thread_eq(
 /*=========*/
 				/* out: TRUE if equal */
-	os_thread_t	a,	/* in: OS thread or thread id */
-	os_thread_t	b)	/* in: OS thread or thread id */
+	os_thread_id_t	a,	/* in: OS thread or thread id */
+	os_thread_id_t	b)	/* in: OS thread or thread id */
 {
 #ifdef __WIN__
 	if (a == b) {
@@ -44,13 +44,13 @@ os_thread_eq(
 }
 
 /********************************************************************
-Converts an OS thread or thread id to a ulint. It is NOT guaranteed that
-the ulint is unique for the thread though! */
+Converts an OS thread id to a ulint. It is NOT guaranteed that the ulint is
+unique for the thread though! */
 
 ulint
 os_thread_pf(
 /*=========*/
-	os_thread_t	a)
+	os_thread_id_t	a)
 {
 #ifdef UNIV_HPUX
         /* In HP-UX a pthread_t is a struct of 3 fields: field1, field2,
@@ -64,15 +64,15 @@ os_thread_pf(
 
 /*********************************************************************
 Returns the thread identifier of current thread. Currently the thread
-identifier is the thread handle itself. Note that in HP-UX pthread_t is
-a struct of 3 fields. */
+identifier in Unix is the thread handle itself. Note that in HP-UX
+pthread_t is a struct of 3 fields. */
 
 os_thread_id_t
 os_thread_get_curr_id(void)
 /*=======================*/
 {
 #ifdef __WIN__
-	return(GetCurrentThread());
+	return(GetCurrentThreadId());
 #else
 	return(pthread_self());
 #endif
@@ -95,11 +95,8 @@ os_thread_create(
 #endif
 	void*			arg,		/* in: argument to start
 						function */
-	os_thread_id_t*		thread_id __attribute__((unused)))	
-                                                /* out: id of created
-						thread; currently this is
-						identical to the handle to
-						the thread */
+	os_thread_id_t*		thread_id)	/* out: id of the created
+						thread */
 {
 #ifdef __WIN__
 	os_thread_t	thread;
@@ -121,7 +118,7 @@ os_thread_create(
 	        ut_a(SetThreadPriority(thread, srv_query_thread_priority));
 	}
 
-	*thread_id = thread;
+	*thread_id = win_thread_id;
 
 	return(thread);
 #else

sql/ha_innodb.cc

@@ -259,7 +259,7 @@ convert_error_code_to_mysql(
 extern "C" {
 /*****************************************************************
 Prints info of a THD object (== user session thread) to the
-standard output. NOTE that mysql/innobase/trx/trx0trx.c must contain
+standard output. NOTE that /mysql/innobase/trx/trx0trx.c must contain
 the prototype for this function! */
 
 void
@@ -404,6 +404,9 @@ ha_innobase::update_thd(
 	return(0);
 }
 
+#ifdef notdefined
+/* The code here appears for documentational purposes only. Not used
+or tested yet. Will be used in 4.1. */
 /*********************************************************************
 Call this when you have opened a new table handle in HANDLER, before you
 call index_read_idx() etc. Actually, we can let the cursor stay open even
@@ -411,14 +414,15 @@ over a transaction commit! Then you should call this before every operation,
 fecth next etc. This function inits the necessary things even after a
 transaction commit. */
 
-/* TODO: THIS CODE HAS NOT BEEN TESTED!!! */
-
 void
 ha_innobase::init_table_handle_for_HANDLER(void)
 /*============================================*/
 {
         row_prebuilt_t* prebuilt;
 
+	ut_a(0); /* the code has not been used or tested yet; to prevent
+		  inadvertent usage we assert an error here */
+
         /* If current thd does not yet have a trx struct, create one.
         If the current handle does not yet have a prebuilt struct, create
         one. Update the trx pointers in the prebuilt struct. Normally
@@ -458,6 +462,7 @@ ha_innobase::init_table_handle_for_HANDLER(void)
 
         prebuilt->read_just_key = FALSE;
 }
+#endif
 
 /*************************************************************************
 Opens an InnoDB database. */
@@ -2509,6 +2514,7 @@ ha_innobase::rnd_pos(
 Stores a reference to the current row to 'ref' field of the handle. Note
 that in the case where we have generated the clustered index for the
 table, the function parameter is illogical: we MUST ASSUME that 'record'
+is the current 'position' of the handle, because if row ref is actually
 the row id internally generated in InnoDB, then 'record' does not contain
 it. We just guess that the row id must be for the record where the handle
 was positioned the last time. */

sql/ha_innodb.h

@@ -164,7 +164,8 @@ class ha_innobase: public handler
 	void free_foreign_key_create_info(char* str);	
   	THR_LOCK_DATA **store_lock(THD *thd, THR_LOCK_DATA **to,
 			     		enum thr_lock_type lock_type);
-	void init_table_handle_for_HANDLER(); /* TODO: NOT TESTED!!! */
+	/* void init_table_handle_for_HANDLER(); Not tested or used yet, code
+	included for documentational purposes only */
 	longlong get_auto_increment();
 };