Information Schema QUERY_CACHE_INFO Table
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MariaDB starting with 5.5.31
The QUERY_CACHE_INFO table was introduced in MariaDB 5.5.31
Description
The table is not a standard Information Schema table, and is a MariaDB extension.
The QUERY_CACHE_INFO
plugin allows to see the contents of the query cache. It creates a table in the INFORMATION_SCHEMA
database that shows all queries that are in the cache. One must have the PROCESS
privilege (see GRANT) to use this table.
SELECT statement_schema, statement_text, result_blocks_count, result_blocks_size FROM information_schema.query_cache_info; +------------------+------------------+---------------------+--------------------+ | statement_schema | statement_text | result_blocks_count | result_blocks_size | +------------------+------------------+---------------------+--------------------+ | test | select * from t1 | 1 | 512 | +------------------+------------------+---------------------+--------------------+
Statistics
New features are planned to be implemented, including a per query statistics, for more info check MDEV-4682
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