Alert: This function’s access is marked private. This means it is not intended for use by plugin or theme developers, only in other core functions. It is listed here for completeness.

LLMS_Student_Query::sql_joins()

Setup joins based on submitted sort and search args


Description Description


Return Return

(string)


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Source Source

File: includes/class.llms.student.query.php

	private function sql_joins() {

		global $wpdb;

		$joins = array();

		$fields = array(
			'first_name' => "JOIN {$wpdb->usermeta} AS m_first ON u.ID = m_first.user_id AND m_first.meta_key = 'first_name'",
			'last_name' => "JOIN {$wpdb->usermeta} AS m_last ON u.ID = m_last.user_id AND m_last.meta_key = 'last_name'",
			'overall_progress' => "JOIN {$wpdb->usermeta} AS m_o_p ON u.ID = m_o_p.user_id AND m_o_p.meta_key = 'llms_overall_progress'",
			'overall_grade' => "JOIN {$wpdb->usermeta} AS m_o_g ON u.ID = m_o_g.user_id AND m_o_g.meta_key = 'llms_overall_grade'",
		);

		// add the fields to the array of fields to select
		foreach ( $fields as $key => $statment ) {
			if ( $this->requires_field( $key ) ) {
				$joins[] = $statment;
			}
		}

		$sql = implode( ' ', $joins );

		if ( $this->get( 'suppress_filters' ) ) {
			return $sql;
		}

		return apply_filters( $this->get_filter( 'join' ), $sql, $this );

	}

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Changelog Changelog

Changelog
Version Description
3.13.0 Introduced.


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