File: wp-includes/class-wp-tax-query.php
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Identifies an existing table alias that is compatible with the current query clause.
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Ensures the ‘tax_query’ argument passed to the class constructor is well-formed.
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Sanitizes a ‘relation’ operator.
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Determines whether a clause is first-order.
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Generates SQL clauses to be appended to a main query.
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Generates SQL clauses for a single query array.
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Generates SQL JOIN and WHERE clauses for a “first-order” query clause.
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classWP_Tax_Query
Core class used to implement taxonomy queries for the Taxonomy API.
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Constructor.
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methodWP_Tax_Query::get_sql()
Generates SQL clauses to be appended to a main query.
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Validates a single query.
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Transforms a single query, from one field to another.