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GoLang mysqlnd_ms_query_is_select
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GoLang replacement for PHP's mysqlnd_ms_query_is_select
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PHP mysqlnd_ms_query_is_selectPHP original manual for mysqlnd_ms_query_is_select [ show | php.net ]mysqlnd_ms_query_is_select(PECL mysqlnd_ms >= 1.0.0) mysqlnd_ms_query_is_select — Find whether to send the query to the master, the slave or the last used MySQL server Description
int
mysqlnd_ms_query_is_select
( string
$query
)Finds whether to send the query to the master, the slave or the last used MySQL server. The plugins built-in read/write split mechanism will be used to analyze the query string to make a recommendation where to send the query. The built-in read/write split mechanism is very basic and simple. The plugin will recommend sending all queries to the MySQL replication master server but those which begin with SELECT, or begin with a SQL hint which enforces sending the query to a slave server. Due to the basic but fast algorithm the plugin may propose to run some read-only statements such as SHOW TABLES on the replication master. Parameters
Return Values
A return value of
If read write splitting has been disabled by setting
mysqlnd_ms.disable_rw_split, the function will
always return Examples
Example #1 mysqlnd_ms_query_is_select() example
<?php The above example will output: INSERT INTO test(id) VALUES (1) should be run on the master. SELECT 1 FROM DUAL should be run on a slave. /*ms=last_used*/SELECT 2 FROM DUAL should be run on the server that has run the previous query |
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