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WL#5142 FLUSH LOGS should take optional arguments for which log(s) to flush

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Support for flushing individual logs, so that the user can
selectively flush a subset of the server logs.

Flush of individual logs is done according to the 
following syntax:

  FLUSH <log_category> LOGS;

The syntax is extended so that the user is able to flush a
subset of logs:

  FLUSH [log_category LOGS,];

where log_category is one of:
  SLOW
  ERROR
  BINARY
  ENGINE
  GENERAL
  RELAY.


mysql-test/suite/rpl/r/rpl_flush_logs.result:
  Test result for WL#5142.
mysql-test/suite/rpl/t/rpl_flush_logs.test:
  Added the test file to verify if the 'flush individual log' 
  statement works fine.
sql/log.cc:
  Added the two functions to flush slow and general log.
sql/sql_parse.cc:
  Added code to flush specified logs against the option.
sql/sql_yacc.yy:
  Added code to parse the 'flush * log' statement syntax and 
  set its option to Lex->type.
This commit is contained in:
unknown
2009-12-03 16:59:58 +08:00
parent 80cb81069b
commit ac647f5a3e
9 changed files with 346 additions and 11 deletions
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6
include/mysql_com.h
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@ -115,6 +115,12 @@ enum enum_server_command
thread */
#define REFRESH_MASTER 128 /* Remove all bin logs in the index
and truncate the index */
#define REFRESH_ERROR_LOG 256 /* Rotate only the erorr log */
#define REFRESH_ENGINE_LOG 512 /* Flush all storage engine logs */
#define REFRESH_BINARY_LOG 1024 /* Flush the binary log */
#define REFRESH_RELAY_LOG 2048 /* Flush the relay log */
#define REFRESH_GENERAL_LOG 4096 /* Flush the general log */
#define REFRESH_SLOW_LOG 8192 /* Flush the slow query log */
/* The following can't be set with mysql_refresh() */
#define REFRESH_READ_LOCK 16384 /* Lock tables for read */