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Query: add a protected field, $db, (composition, as it were) to WP_*_Query classes to hold the value for the database abstraction, instead of importing the global $wpdb into every method that uses it. Reduces the number of global imports by 32.

Browse Source 
See #37699.


git-svn-id: https://develop.svn.wordpress.org/trunk@38275 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Scott Taylor
2016-08-18 18:20:55 +00:00
parent 1e15f01687
commit 4e55f2248b
9 changed files with 251 additions and 292 deletions
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63
src/wp-includes/class-wp-network-query.php
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@@ -86,6 +86,13 @@ class WP_Network_Query {
*/
public $max_num_pages = 0;
/**
* @since 4.7.0
* @access protected
* @var wpdb
*/
protected $db;
/**
* Constructor.
*
@@ -124,6 +131,8 @@ class WP_Network_Query {
* }
*/
public function __construct( $query = '' ) {
$this->db = $GLOBALS['wpdb'];
$this->query_var_defaults = array(
'network__in' => '',
'network__not_in' => '',
@@ -290,8 +299,6 @@ class WP_Network_Query {
* @return int|array A single count of network IDs if a count query. An array of network IDs if a full query.
*/
protected function get_network_ids() {
global $wpdb;
$order = $this->parse_order( $this->query_vars['order'] );
// Disable ORDER BY with 'none', an empty array, or boolean false.
@@ -332,7 +339,7 @@ class WP_Network_Query {
$orderby = implode( ', ', $orderby_array );
} else {
$orderby = "$wpdb->site.id $order";
$orderby = "{$this->db->site}.id $order";
}
$number = absint( $this->query_vars['number'] );
@@ -349,52 +356,52 @@ class WP_Network_Query {
if ( $this->query_vars['count'] ) {
$fields = 'COUNT(*)';
} else {
$fields = "$wpdb->site.id";
$fields = "{$this->db->site}.id";
}
// Parse network IDs for an IN clause.
if ( ! empty( $this->query_vars['network__in'] ) ) {
$this->sql_clauses['where']['network__in'] = "$wpdb->site.id IN ( " . implode( ',', wp_parse_id_list( $this->query_vars['network__in'] ) ) . ' )';
$this->sql_clauses['where']['network__in'] = "{$this->db->site}.id IN ( " . implode( ',', wp_parse_id_list( $this->query_vars['network__in'] ) ) . ' )';
}
// Parse network IDs for a NOT IN clause.
if ( ! empty( $this->query_vars['network__not_in'] ) ) {
$this->sql_clauses['where']['network__not_in'] = "$wpdb->site.id NOT IN ( " . implode( ',', wp_parse_id_list( $this->query_vars['network__not_in'] ) ) . ' )';
$this->sql_clauses['where']['network__not_in'] = "{$this->db->site}.id NOT IN ( " . implode( ',', wp_parse_id_list( $this->query_vars['network__not_in'] ) ) . ' )';
}
if ( ! empty( $this->query_vars['domain'] ) ) {
$this->sql_clauses['where']['domain'] = $wpdb->prepare( "$wpdb->site.domain = %s", $this->query_vars['domain'] );
$this->sql_clauses['where']['domain'] = $this->db->prepare( "{$this->db->site}.domain = %s", $this->query_vars['domain'] );
}
// Parse network domain for an IN clause.
if ( is_array( $this->query_vars['domain__in'] ) ) {
$this->sql_clauses['where']['domain__in'] = "$wpdb->site.domain IN ( '" . implode( "', '", $wpdb->_escape( $this->query_vars['domain__in'] ) ) . "' )";
$this->sql_clauses['where']['domain__in'] = "{$this->db->site}.domain IN ( '" . implode( "', '", $this->db->_escape( $this->query_vars['domain__in'] ) ) . "' )";
}
// Parse network domain for a NOT IN clause.
if ( is_array( $this->query_vars['domain__not_in'] ) ) {
$this->sql_clauses['where']['domain__not_in'] = "$wpdb->site.domain NOT IN ( '" . implode( "', '", $wpdb->_escape( $this->query_vars['domain__not_in'] ) ) . "' )";
$this->sql_clauses['where']['domain__not_in'] = "{$this->db->site}.domain NOT IN ( '" . implode( "', '", $this->db->_escape( $this->query_vars['domain__not_in'] ) ) . "' )";
}
if ( ! empty( $this->query_vars['path'] ) ) {
$this->sql_clauses['where']['path'] = $wpdb->prepare( "$wpdb->site.path = %s", $this->query_vars['path'] );
$this->sql_clauses['where']['path'] = $this->db->prepare( "{$this->db->site}.path = %s", $this->query_vars['path'] );
}
// Parse network path for an IN clause.
if ( is_array( $this->query_vars['path__in'] ) ) {
$this->sql_clauses['where']['path__in'] = "$wpdb->site.path IN ( '" . implode( "', '", $wpdb->_escape( $this->query_vars['path__in'] ) ) . "' )";
$this->sql_clauses['where']['path__in'] = "{$this->db->site}.path IN ( '" . implode( "', '", $this->db->_escape( $this->query_vars['path__in'] ) ) . "' )";
}
// Parse network path for a NOT IN clause.
if ( is_array( $this->query_vars['path__not_in'] ) ) {
$this->sql_clauses['where']['path__not_in'] = "$wpdb->site.path NOT IN ( '" . implode( "', '", $wpdb->_escape( $this->query_vars['path__not_in'] ) ) . "' )";
$this->sql_clauses['where']['path__not_in'] = "{$this->db->site}.path NOT IN ( '" . implode( "', '", $this->db->_escape( $this->query_vars['path__not_in'] ) ) . "' )";
}
// Falsey search strings are ignored.
if ( strlen( $this->query_vars['search'] ) ) {
$this->sql_clauses['where']['search'] = $this->get_search_sql(
$this->query_vars['search'],
array( "$wpdb->site.domain", "$wpdb->site.path" )
array( "{$this->db->site}.domain", "{$this->db->site}.path" )
);
}
@@ -439,7 +446,7 @@ class WP_Network_Query {
}
$this->sql_clauses['select'] = "SELECT $found_rows $fields";
$this->sql_clauses['from'] = "FROM $wpdb->site $join";
$this->sql_clauses['from'] = "FROM {$this->db->site} $join";
$this->sql_clauses['groupby'] = $groupby;
$this->sql_clauses['orderby'] = $orderby;
$this->sql_clauses['limits'] = $limits;
@@ -447,10 +454,10 @@ class WP_Network_Query {
$this->request = "{$this->sql_clauses['select']} {$this->sql_clauses['from']} {$where} {$this->sql_clauses['groupby']} {$this->sql_clauses['orderby']} {$this->sql_clauses['limits']}";
if ( $this->query_vars['count'] ) {
return intval( $wpdb->get_var( $this->request ) );
return intval( $this->db->get_var( $this->request ) );
}
$network_ids = $wpdb->get_col( $this->request );
$network_ids = $this->db->get_col( $this->request );
return array_map( 'intval', $network_ids );
}
@@ -461,12 +468,8 @@ class WP_Network_Query {
*
* @since 4.6.0
* @access private
*
* @global wpdb $wpdb WordPress database abstraction object.
*/
private function set_found_networks() {
global $wpdb;
if ( $this->query_vars['number'] && ! $this->query_vars['no_found_rows'] ) {
/**
* Filters the query used to retrieve found network count.
@@ -478,7 +481,7 @@ class WP_Network_Query {
*/
$found_networks_query = apply_filters( 'found_networks_query', 'SELECT FOUND_ROWS()', $this );
$this->found_networks = (int) $wpdb->get_var( $found_networks_query );
$this->found_networks = (int) $this->db->get_var( $found_networks_query );
}
}
@@ -488,21 +491,17 @@ class WP_Network_Query {
* @since 4.6.0
* @access protected
*
* @global wpdb $wpdb WordPress database abstraction object.
*
* @param string $string Search string.
* @param array $columns Columns to search.
*
* @return string Search SQL.
*/
protected function get_search_sql( $string, $columns ) {
global $wpdb;
$like = '%' . $wpdb->esc_like( $string ) . '%';
$like = '%' . $this->db->esc_like( $string ) . '%';
$searches = array();
foreach ( $columns as $column ) {
$searches[] = $wpdb->prepare( "$column LIKE %s", $like );
$searches[] = $this->db->prepare( "$column LIKE %s", $like );
}
return '(' . implode( ' OR ', $searches ) . ')';
@@ -514,14 +513,10 @@ class WP_Network_Query {
* @since 4.6.0
* @access protected
*
* @global wpdb $wpdb WordPress database abstraction object.
*
* @param string $orderby Alias for the field to order by.
* @return string|false Value to used in the ORDER clause. False otherwise.
*/
protected function parse_orderby( $orderby ) {
global $wpdb;
$allowed_keys = array(
'id',
'domain',
@@ -531,12 +526,12 @@ class WP_Network_Query {
$parsed = false;
if ( $orderby == 'network__in' ) {
$network__in = implode( ',', array_map( 'absint', $this->query_vars['network__in'] ) );
$parsed = "FIELD( {$wpdb->site}.id, $network__in )";
$parsed = "FIELD( {$this->db->site}.id, $network__in )";
} elseif ( $orderby == 'domain_length' || $orderby == 'path_length' ) {
$field = substr( $orderby, 0, -7 );
$parsed = "CHAR_LENGTH($wpdb->site.$field)";
$parsed = "CHAR_LENGTH({$this->db->site}.$field)";
} elseif ( in_array( $orderby, $allowed_keys ) ) {
$parsed = "$wpdb->site.$orderby";
$parsed = "{$this->db->site}.$orderby";
}
return $parsed;