Title: meta_query_find_compatible_table_alias
Published: December 18, 2014
Last modified: May 20, 2026

---

# apply_filters( ‘meta_query_find_compatible_table_alias’, string|false $alias, array $clause, array $parent_query, WP_Meta_Query $query )

## In this article

 * [Parameters](https://developer.wordpress.org/reference/hooks/meta_query_find_compatible_table_alias/?output_format=md#parameters)
 * [Source](https://developer.wordpress.org/reference/hooks/meta_query_find_compatible_table_alias/?output_format=md#source)
 * [Related](https://developer.wordpress.org/reference/hooks/meta_query_find_compatible_table_alias/?output_format=md#related)
 * [Changelog](https://developer.wordpress.org/reference/hooks/meta_query_find_compatible_table_alias/?output_format=md#changelog)

[ Back to top](https://developer.wordpress.org/reference/hooks/meta_query_find_compatible_table_alias/?output_format=md#wp--skip-link--target)

Filters the table alias identified as compatible with the current clause.

## 󠀁[Parameters](https://developer.wordpress.org/reference/hooks/meta_query_find_compatible_table_alias/?output_format=md#parameters)󠁿

 `$alias`string|false

Table alias, or false if none was found.

`$clause`array

First-order query clause.

`$parent_query`array

Parent of $clause.

`$query`[WP_Meta_Query](https://developer.wordpress.org/reference/classes/wp_meta_query/)

[WP_Meta_Query](https://developer.wordpress.org/reference/classes/wp_meta_query/)
object.

## 󠀁[Source](https://developer.wordpress.org/reference/hooks/meta_query_find_compatible_table_alias/?output_format=md#source)󠁿

    ```php
    return apply_filters( 'meta_query_find_compatible_table_alias', $alias, $clause, $parent_query, $this );
    ```

[View all references](https://developer.wordpress.org/reference/files/wp-includes/class-wp-meta-query.php/)
[View on Trac](https://core.trac.wordpress.org/browser/tags/7.0/src/wp-includes/class-wp-meta-query.php#L873)
[View on GitHub](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/class-wp-meta-query.php#L873-L873)

## 󠀁[Related](https://developer.wordpress.org/reference/hooks/meta_query_find_compatible_table_alias/?output_format=md#related)󠁿

| Used by | Description | 
| [WP_Meta_Query::find_compatible_table_alias()](https://developer.wordpress.org/reference/classes/wp_meta_query/find_compatible_table_alias/)`wp-includes/class-wp-meta-query.php` |

Identifies an existing table alias that is compatible with the current query clause.

  |

## 󠀁[Changelog](https://developer.wordpress.org/reference/hooks/meta_query_find_compatible_table_alias/?output_format=md#changelog)󠁿

| Version | Description | 
| [4.1.0](https://developer.wordpress.org/reference/since/4.1.0/) | Introduced. |

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