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SHOW EXPLAIN: merge with 5.5-main

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This commit is contained in:
Sergey Petrunya
2012-10-06 11:03:37 +04:00
parent 79feec77ed 4d8be2d4f6
commit 30df032e28
37 changed files with 4035 additions and 190 deletions
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26
sql/sql_show.h
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@ -19,6 +19,7 @@
#include "sql_list.h" /* List */
#include "handler.h" /* enum_schema_tables */
#include "table.h" /* enum_schema_table_state */
#include "my_apc.h"
/* Forward declarations */
class JOIN;
@ -131,5 +132,30 @@ enum enum_schema_tables get_schema_table_idx(ST_SCHEMA_TABLE *schema_table);
/* These functions were under INNODB_COMPATIBILITY_HOOKS */
int get_quote_char_for_identifier(THD *thd, const char *name, uint length);
THD *find_thread_by_id(ulong id);
class select_result_explain_buffer;
/*
SHOW EXPLAIN request object.
*/
class Show_explain_request : public Apc_target::Apc_call
{
public:
THD *target_thd; /* thd that we're running SHOW EXPLAIN for */
THD *request_thd; /* thd that run SHOW EXPLAIN command */
/* If true, there was some error when producing EXPLAIN output. */
bool failed_to_produce;
/* SHOW EXPLAIN will be stored here */
select_result_explain_buffer *explain_buf;
/* Query that we've got SHOW EXPLAIN for */
String query_str;
/* Overloaded virtual function */
void call_in_target_thread();
};
#endif /* SQL_SHOW_H */