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SQL: vers_current_time refactoring [closes #117]

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* session sysvars;
* moved value parsing to set variable phase;
* renamed 'temporal_current_timestamp' to 'vers_current_time'.
This commit is contained in:
Aleksey Midenkov
2017-03-30 12:57:31 +03:00
parent b240671c04
commit 9e9af76eaf
15 changed files with 395 additions and 93 deletions
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13
plugin/versioning/versioning.cc
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@ -17,6 +17,7 @@
#include <mysql_version.h>
#include <mysqld.h>
#include "sql_plugin.h" // st_plugin_int
#include "sql_class.h"
/*
Disable __attribute__() on non-gcc compilers.
@ -29,16 +30,20 @@ static int forced_versioning_init(void *p __attribute__ ((unused)))
{
DBUG_ENTER("forced_versioning_init");
vers_force= true;
vers_hide= VERS_HIDE_FULL;
mysql_mutex_lock(&LOCK_global_system_variables);
global_system_variables.vers_force= true;
global_system_variables.vers_hide= VERS_HIDE_FULL;
mysql_mutex_unlock(&LOCK_global_system_variables);
DBUG_RETURN(0);
}
static int forced_versioning_deinit(void *p __attribute__ ((unused)))
{
DBUG_ENTER("forced_versioning_deinit");
vers_force= false;
vers_hide= VERS_HIDE_AUTO;
mysql_mutex_lock(&LOCK_global_system_variables);
global_system_variables.vers_force= false;
global_system_variables.vers_hide= VERS_HIDE_AUTO;
mysql_mutex_unlock(&LOCK_global_system_variables);
DBUG_RETURN(0);
}