apply_filters_ref_array( ‘get_meta_sql’, string[] $sql, array $queries, string $type, string $primary_table, string $primary_id_column, object $context )

Parameters

$sqlstring[]

Array containing the query’s JOIN and WHERE clauses.

$queriesarray

Array of meta queries.

$typestring

Type of meta. Possible values include but are not limited to 'post', 'comment', 'blog', 'term', and 'user'.

$primary_tablestring

Primary table.

$primary_id_columnstring

Primary column ID.

$contextobject

The main query object that corresponds to the type, for example a WP_Query, WP_User_Query, or WP_Site_Query.