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Commit da66c9dd authored by marko's avatar marko
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branches/zip: Move the implementation of the INFORMATION_SCHEMA tables 

INNODB_ZIP and INNODB_ZIP_RESET from ha_innodb.cc to i_s.cc.

plugin_author, END_OF_ST_FIELD_INFO, i_s_info: New common constants.

trx_i_s_common_deinit(): Renamed to i_s_common_deinit().
parent 252cd110
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Showing with 318 additions and 234 deletions
handler/ha_innodb.cc
View file @ da66c9dd
......@@ -41,8 +41,6 @@
/* This is needed because of Bug #3596. Let us hope that pthread_mutex_t
is defined the same in both builds: the MySQL server and the InnoDB plugin. */
extern pthread_mutex_t LOCK_thread_count;
/* Somehow this is not declared for plugins. */
bool schema_table_store_record(THD *thd, TABLE *table);
#endif /* MYSQL_SERVER */
/** to protect innobase_open_files */
......@@ -65,7 +63,6 @@ static handlerton *innodb_hton_ptr;
extern "C" {
#include "../storage/innobase/include/univ.i"
#include "../storage/innobase/include/btr0sea.h"
#include "../storage/innobase/include/buf0buddy.h"
#include "../storage/innobase/include/os0file.h"
#include "../storage/innobase/include/os0thread.h"
#include "../storage/innobase/include/srv0start.h"
......@@ -7947,163 +7944,6 @@ bool ha_innobase::check_if_incompatible_data(
return(COMPATIBLE_DATA_YES);
}
/***********************************************************************
Fill the dynamic table information_schema.innodb_zip. */
static
int
innobase_stat_zip_fill(
/*===================*/
/* out: 0 on success, 1 on failure */
THD* thd, /* in: thread */
TABLE_LIST* tables, /* in/out: tables to fill */
COND* cond, /* in: condition (ignored) */
ibool reset) /* in: TRUE=reset cumulated counts */
{
TABLE* table = (TABLE *) tables->table;
int status = 0;
uint y = 0;
DBUG_ENTER("innobase_stat_zip_fill");
/* Determine log2(PAGE_ZIP_MIN_SIZE / 2 / BUF_BUDDY_LOW). */
for (uint r = PAGE_ZIP_MIN_SIZE / 2 / BUF_BUDDY_LOW; r >>= 1; y++);
mutex_enter(&buf_pool->mutex);
for (uint x = 0; x <= BUF_BUDDY_SIZES; x++) {
table->field[0]->store(BUF_BUDDY_LOW << x);
table->field[1]->store(buf_buddy_relocated[x]);
if (reset) {
/* This is protected by buf_pool->mutex. */
buf_buddy_relocated[x] = 0;
}
if (x > y) {
/* The cumulated counts are not protected by
any mutex. Thus, some operation in page0zip.c
could increment a counter between the time we
read it and clear it. We could introduce
mutex protection, but it could cause a
measureable performance hit in page0zip.c. */
const uint i = x - y;
table->field[2]->store(page_zip_compress_count[i]);
table->field[3]->store(page_zip_compress_ok[i]);
table->field[4]->store(page_zip_decompress_count[i]);
if (reset) {
page_zip_compress_count[i] = 0;
page_zip_compress_ok[i] = 0;
page_zip_decompress_count[i] = 0;
}
} else {
table->field[2]->store(0);
table->field[3]->store(0);
table->field[4]->store(0);
}
table->field[5]->store(buf_buddy_used[x]);
if (schema_table_store_record(thd, table)) {
status = 1;
break;
}
}
mutex_exit(&buf_pool->mutex);
DBUG_RETURN(status);
}
/***********************************************************************
Fill the dynamic table information_schema.innodb_zip. */
static
int
innobase_stat_zip_fill(
/*===================*/
/* out: 0 on success, 1 on failure */
THD* thd, /* in: thread */
TABLE_LIST* tables, /* in/out: tables to fill */
COND* cond) /* in: condition (ignored) */
{
return(innobase_stat_zip_fill(thd, tables, cond, FALSE));
}
/***********************************************************************
Fill the dynamic table information_schema.innodb_zip_reset. */
static
int
innobase_stat_zip_reset_fill(
/*=========================*/
/* out: 0 on success, 1 on failure */
THD* thd, /* in: thread */
TABLE_LIST* tables, /* in/out: tables to fill */
COND* cond) /* in: condition (ignored) */
{
return(innobase_stat_zip_fill(thd, tables, cond, TRUE));
}
/* Fields of the dynamic table information_schema.innodb_zip. */
static ST_FIELD_INFO innobase_stat_zip_fields[] =
{
{"SIZE", 5, MYSQL_TYPE_LONG, 0, 0, "Block Size", SKIP_OPEN_TABLE},
{"RELOCATED", 21, MYSQL_TYPE_LONG, 0, 0,
"Total Number of Relocations", SKIP_OPEN_TABLE},
{"COMPRESSED", 21, MYSQL_TYPE_LONG, 0, 0,
"Total Number of Compressions", SKIP_OPEN_TABLE},
{"COMPRESSED_OK", 21, MYSQL_TYPE_LONG, 0, 0,
"Total Number of Successful Compressions", SKIP_OPEN_TABLE},
{"DECOMPRESSED", 21, MYSQL_TYPE_LONG, 0, 0,
"Total Number of Decompressions", SKIP_OPEN_TABLE},
{"USED", 21, MYSQL_TYPE_LONG, 0, 0, "Currently in Use", SKIP_OPEN_TABLE},
{0, 0, MYSQL_TYPE_STRING, 0, 0, 0, SKIP_OPEN_TABLE}
};
/***********************************************************************
Bind the dynamic table information_schema.innodb_zip. */
static
int
innobase_stat_zip_init(
/*===================*/
/* out: 0 on success */
void* p) /* in/out: table schema object */
{
DBUG_ENTER("innobase_stat_zip_init");
ST_SCHEMA_TABLE* schema = (ST_SCHEMA_TABLE*) p;
schema->fields_info = innobase_stat_zip_fields;
schema->fill_table = innobase_stat_zip_fill;
DBUG_RETURN(0);
}
/***********************************************************************
Bind the dynamic table information_schema.innodb_zip_reset. */
static
int
innobase_stat_zip_reset_init(
/*=========================*/
/* out: 0 on success */
void* p) /* in/out: table schema object */
{
DBUG_ENTER("innobase_stat_zip_reset_init");
ST_SCHEMA_TABLE* schema = (ST_SCHEMA_TABLE*) p;
schema->fields_info = innobase_stat_zip_fields;
schema->fill_table = innobase_stat_zip_reset_fill;
DBUG_RETURN(0);
}
/***********************************************************************
Unbind a dynamic table in information_schema. */
static
int
innobase_stat_zip_deinit(
/*=====================*/
/* out: 0 on success */
void* p) /* in/out: table schema object */
{
DBUG_ENTER("innobase_stat_zip_deinit");
DBUG_RETURN(0);
}
static int show_innodb_vars(THD *thd, SHOW_VAR *var, char *buff)
{
innodb_export_status();
......@@ -8120,9 +7960,6 @@ static SHOW_VAR innodb_status_variables_export[]= {
static struct st_mysql_storage_engine innobase_storage_engine=
{ MYSQL_HANDLERTON_INTERFACE_VERSION };
static struct st_mysql_information_schema innobase_stat_zip=
{ MYSQL_INFORMATION_SCHEMA_INTERFACE_VERSION };
/* plugin options */
static MYSQL_SYSVAR_BOOL(checksums, innobase_use_checksums,
PLUGIN_VAR_NOCMDARG | PLUGIN_VAR_READONLY,
......@@ -8369,7 +8206,7 @@ mysql_declare_plugin(innobase)
MYSQL_STORAGE_ENGINE_PLUGIN,
&innobase_storage_engine,
innobase_hton_name,
"Innobase OY",
"Innobase Oy",
"Supports transactions, row-level locking, and foreign keys",
PLUGIN_LICENSE_GPL,
innobase_init, /* Plugin Init */
......@@ -8379,31 +8216,9 @@ mysql_declare_plugin(innobase)
innobase_system_variables, /* system variables */
NULL /* reserved */
},
{
MYSQL_INFORMATION_SCHEMA_PLUGIN,
&innobase_stat_zip,
"INNODB_ZIP",
"Innobase Oy",
"Statistics for the InnoDB compressed buffer pool",
PLUGIN_LICENSE_GPL,
innobase_stat_zip_init,
innobase_stat_zip_deinit,
0x0100 /* 1.0 */,
NULL, NULL, NULL
},
{
MYSQL_INFORMATION_SCHEMA_PLUGIN,
&innobase_stat_zip,
"INNODB_ZIP_RESET",
"Innobase Oy",
"Statistics for the InnoDB compressed buffer pool; reset cumulated counts",
PLUGIN_LICENSE_GPL,
innobase_stat_zip_reset_init,
innobase_stat_zip_deinit,
0x0100 /* 1.0 */,
NULL, NULL, NULL
},
i_s_innodb_trx,
i_s_innodb_locks,
i_s_innodb_lock_waits
i_s_innodb_lock_waits,
i_s_innodb_zip,
i_s_innodb_zip_reset
mysql_declare_plugin_end;
handler/i_s.cc
View file @ da66c9dd
This diff is collapsed.
handler/i_s.h
View file @ da66c9dd
......@@ -12,5 +12,7 @@ Created July 18, 2007 Vasil Dimov
extern struct st_mysql_plugin i_s_innodb_trx;
extern struct st_mysql_plugin i_s_innodb_locks;
extern struct st_mysql_plugin i_s_innodb_lock_waits;
extern struct st_mysql_plugin i_s_innodb_zip;
extern struct st_mysql_plugin i_s_innodb_zip_reset;
#endif /* i_s_h */
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