Information Schema QUERY_CACHE_TABLES Table

MariaDB starting with 10.1.x

The QUERY_CACHE_TABLES table will be introduced in a future version of MariaDB. See MDEV-4682

Description

The QUERY_CACHE_TABLES table will be introduced as part of a future change to the QUERY_CACHE_INFO plugin, and shows all tables inside the query cache and how many queries have been cached for each.

The table is not a standard Information Schema table, and is a MariaDB extension.

It contains the following columns:

ColumnDescription
TABLE_SCHEMATable database schema
TABLE_NAMETable name
TABLE_HASHEDInternal use (0/1)
TABLE_TYPEInternal use, possible values: NON_TRANSACT, NO_CACHE, ASK_TRANSACT, TRANSACT, "UNKNOWN %u" where %u is internal value of query_cache_table_entry->table_type)
QUERIES_IN_CACHENumber of queries in query cache using this table

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