(mysql.info) mysql-refresh

 
 22.2.3.54 `mysql_refresh()'
 ...........................
 
 `int mysql_refresh(MYSQL *mysql, unsigned int options)'
 
 *Description*
 
 This functions flushes tables or caches, or resets replication server
 information. The connected user must have the `RELOAD' privilege.
 
 The `options' argument is a bit mask composed from any combination of
 the following values. Multiple values can be OR'ed together to perform
 multiple operations with a single call.
 
    * `REFRESH_GRANT'
 
      Refresh the grant tables, like `FLUSH PRIVILEGES'.
 
    * `REFRESH_LOG'
 
      Flush the logs, like `FLUSH LOGS'.
 
    * `REFRESH_TABLES'
 
      Flush the table cache, like `FLUSH TABLES'.
 
    * `REFRESH_HOSTS'
 
      Flush the host cache, like `FLUSH HOSTS'.
 
    * `REFRESH_STATUS'
 
      Reset status variables, like `FLUSH STATUS'.
 
    * `REFRESH_THREADS'
 
      Flush the thread cache.
 
    * `REFRESH_SLAVE'
 
      On a slave replication server, reset the master server information
      and restart the slave, like `RESET SLAVE'.
 
    * `REFRESH_MASTER'
 
      On a master replication server, remove the binary log files listed
      in the binary log index and truncate the index file, like `RESET
      MASTER'.
 
 *Return Values*
 
 Zero for success. Non-zero if an error occurred.
 
 *Errors*
 
    * `CR_COMMANDS_OUT_OF_SYNC'
 
      Commands were executed in an improper order.
 
    * `CR_SERVER_GONE_ERROR'
 
      The MySQL server has gone away.
 
    * `CR_SERVER_LOST'
 
      The connection to the server was lost during the query.
 
    * `CR_UNKNOWN_ERROR'
 
      An unknown error occurred.
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