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Push history-limiting code until after the code that adds new

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history entries.  Lazy deletion isn't smart or useful here.

Backport from 5.1 .
This commit is contained in:
cmiller@zippy.cornsilk.net
2007-11-14 15:11:58 -05:00
parent 1604cdb30d
commit ddb1443b07
10 changed files with 464 additions and 283 deletions
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14
sql/mysql_priv.h
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@ -495,6 +495,8 @@ enum enum_parsing_place
struct st_table;
class THD;
#define thd_proc_info(thd, msg) set_thd_proc_info(thd, msg, __func__, __FILE__, __LINE__)
/* Struct to handle simple linked lists */
typedef struct st_sql_list {
@ -580,6 +582,16 @@ typedef Comp_creator* (*chooser_compare_func_creator)(bool invert);
#include "item.h"
extern my_decimal decimal_zero;
/**
The meat of thd_proc_info(THD*, char*), a macro that packs the last
three calling-info parameters.
*/
extern "C"
const char *set_thd_proc_info(THD *thd, const char *info,
const char *calling_func,
const char *calling_file,
const unsigned int calling_line);
/* sql_parse.cc */
void free_items(Item *item);
void cleanup_items(Item *item);
@ -978,6 +990,8 @@ bool get_schema_tables_result(JOIN *join,
enum enum_schema_table_state executed_place);
enum enum_schema_tables get_schema_table_idx(ST_SCHEMA_TABLE *schema_table);
bool schema_table_store_record(THD *thd, TABLE *table);
#define is_schema_db(X) \
!my_strcasecmp(system_charset_info, INFORMATION_SCHEMA_NAME.str, (X))