summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat (limited to 'plugins/jetpack/sync/class.jetpack-sync-wp-replicastore.php')
-rw-r--r--plugins/jetpack/sync/class.jetpack-sync-wp-replicastore.php820
1 files changed, 0 insertions, 820 deletions
diff --git a/plugins/jetpack/sync/class.jetpack-sync-wp-replicastore.php b/plugins/jetpack/sync/class.jetpack-sync-wp-replicastore.php
deleted file mode 100644
index 99826bd0..00000000
--- a/plugins/jetpack/sync/class.jetpack-sync-wp-replicastore.php
+++ /dev/null
@@ -1,820 +0,0 @@
-<?php
-
-require_once dirname( __FILE__ ) . '/interface.jetpack-sync-replicastore.php';
-require_once dirname( __FILE__ ) . '/class.jetpack-sync-defaults.php';
-
-/**
- * An implementation of iJetpack_Sync_Replicastore which returns data stored in a WordPress.org DB.
- * This is useful to compare values in the local WP DB to values in the synced replica store
- */
-class Jetpack_Sync_WP_Replicastore implements iJetpack_Sync_Replicastore {
-
-
- public function reset() {
- global $wpdb;
-
- $wpdb->query( "DELETE FROM $wpdb->posts" );
- $wpdb->query( "DELETE FROM $wpdb->comments" );
-
- // also need to delete terms from cache
- $term_ids = $wpdb->get_col( "SELECT term_id FROM $wpdb->terms" );
- foreach ( $term_ids as $term_id ) {
- wp_cache_delete( $term_id, 'terms' );
- }
-
- $wpdb->query( "DELETE FROM $wpdb->terms" );
-
- $wpdb->query( "DELETE FROM $wpdb->term_taxonomy" );
- $wpdb->query( "DELETE FROM $wpdb->term_relationships" );
-
- // callables and constants
- $wpdb->query( "DELETE FROM $wpdb->options WHERE option_name LIKE 'jetpack_%'" );
- $wpdb->query( "DELETE FROM $wpdb->postmeta WHERE meta_key NOT LIKE '\_%'" );
- }
-
- function full_sync_start( $config ) {
- $this->reset();
- }
-
- function full_sync_end( $checksum ) {
- // noop right now
- }
-
- public function post_count( $status = null, $min_id = null, $max_id = null ) {
- global $wpdb;
-
- $where = '';
-
- if ( $status ) {
- $where = "post_status = '" . esc_sql( $status ) . "'";
- } else {
- $where = '1=1';
- }
-
- if ( null != $min_id ) {
- $where .= ' AND ID >= ' . intval( $min_id );
- }
-
- if ( null != $max_id ) {
- $where .= ' AND ID <= ' . intval( $max_id );
- }
-
- return $wpdb->get_var( "SELECT COUNT(*) FROM $wpdb->posts WHERE $where" );
- }
-
- // TODO: actually use max_id/min_id
- public function get_posts( $status = null, $min_id = null, $max_id = null ) {
- $args = array(
- 'orderby' => 'ID',
- 'posts_per_page' => -1,
- );
-
- if ( $status ) {
- $args['post_status'] = $status;
- } else {
- $args['post_status'] = 'any';
- }
-
- return get_posts( $args );
- }
-
- public function get_post( $id ) {
- return get_post( $id );
- }
-
- public function upsert_post( $post, $silent = false ) {
- global $wpdb;
-
- // reject the post if it's not a WP_Post
- if ( ! $post instanceof WP_Post ) {
- return;
- }
-
- $post = $post->to_array();
-
- // reject posts without an ID
- if ( ! isset( $post['ID'] ) ) {
- return;
- }
-
- $now = current_time( 'mysql' );
- $now_gmt = get_gmt_from_date( $now );
-
- $defaults = array(
- 'ID' => 0,
- 'post_author' => '0',
- 'post_content' => '',
- 'post_content_filtered' => '',
- 'post_title' => '',
- 'post_name' => '',
- 'post_excerpt' => '',
- 'post_status' => 'draft',
- 'post_type' => 'post',
- 'comment_status' => 'closed',
- 'comment_count' => '0',
- 'ping_status' => '',
- 'post_password' => '',
- 'to_ping' => '',
- 'pinged' => '',
- 'post_parent' => 0,
- 'menu_order' => 0,
- 'guid' => '',
- 'post_date' => $now,
- 'post_date_gmt' => $now_gmt,
- 'post_modified' => $now,
- 'post_modified_gmt' => $now_gmt,
- );
-
- $post = array_intersect_key( $post, $defaults );
-
- $post = sanitize_post( $post, 'db' );
-
- unset( $post['filter'] );
-
- $exists = $wpdb->get_var( $wpdb->prepare( "SELECT EXISTS( SELECT 1 FROM $wpdb->posts WHERE ID = %d )", $post['ID'] ) );
-
- if ( $exists ) {
- $wpdb->update( $wpdb->posts, $post, array( 'ID' => $post['ID'] ) );
- } else {
- $wpdb->insert( $wpdb->posts, $post );
- }
-
- clean_post_cache( $post['ID'] );
- }
-
- public function delete_post( $post_id ) {
- wp_delete_post( $post_id, true );
- }
-
- public function posts_checksum( $min_id = null, $max_id = null ) {
- global $wpdb;
- return $this->table_checksum( $wpdb->posts, Jetpack_Sync_Defaults::$default_post_checksum_columns, 'ID', Jetpack_Sync_Settings::get_blacklisted_post_types_sql(), $min_id, $max_id );
- }
-
- public function post_meta_checksum( $min_id = null, $max_id = null ) {
- global $wpdb;
- return $this->table_checksum( $wpdb->postmeta, Jetpack_Sync_Defaults::$default_post_meta_checksum_columns, 'meta_id', Jetpack_Sync_Settings::get_whitelisted_post_meta_sql(), $min_id, $max_id );
- }
-
- public function comment_count( $status = null, $min_id = null, $max_id = null ) {
- global $wpdb;
-
- $comment_approved = $this->comment_status_to_approval_value( $status );
-
- if ( $comment_approved !== false ) {
- $where = "comment_approved = '" . esc_sql( $comment_approved ) . "'";
- } else {
- $where = '1=1';
- }
-
- if ( $min_id != null ) {
- $where .= ' AND comment_ID >= ' . intval( $min_id );
- }
-
- if ( $max_id != null ) {
- $where .= ' AND comment_ID <= ' . intval( $max_id );
- }
-
- return $wpdb->get_var( "SELECT COUNT(*) FROM $wpdb->comments WHERE $where" );
- }
-
- private function comment_status_to_approval_value( $status ) {
- switch ( $status ) {
- case 'approve':
- return '1';
- case 'hold':
- return '0';
- case 'spam':
- return 'spam';
- case 'trash':
- return 'trash';
- case 'any':
- return false;
- case 'all':
- return false;
- default:
- return false;
- }
- }
-
- // TODO: actually use max_id/min_id
- public function get_comments( $status = null, $min_id = null, $max_id = null ) {
- $args = array(
- 'orderby' => 'ID',
- 'status' => 'all',
- );
-
- if ( $status ) {
- $args['status'] = $status;
- }
-
- return get_comments( $args );
- }
-
- public function get_comment( $id ) {
- return WP_Comment::get_instance( $id );
- }
-
- public function upsert_comment( $comment ) {
- global $wpdb;
-
- $comment = $comment->to_array();
-
- // filter by fields on comment table
- $comment_fields_whitelist = array(
- 'comment_ID',
- 'comment_post_ID',
- 'comment_author',
- 'comment_author_email',
- 'comment_author_url',
- 'comment_author_IP',
- 'comment_date',
- 'comment_date_gmt',
- 'comment_content',
- 'comment_karma',
- 'comment_approved',
- 'comment_agent',
- 'comment_type',
- 'comment_parent',
- 'user_id',
- );
-
- foreach ( $comment as $key => $value ) {
- if ( ! in_array( $key, $comment_fields_whitelist ) ) {
- unset( $comment[ $key ] );
- }
- }
-
- $exists = $wpdb->get_var(
- $wpdb->prepare(
- "SELECT EXISTS( SELECT 1 FROM $wpdb->comments WHERE comment_ID = %d )",
- $comment['comment_ID']
- )
- );
-
- if ( $exists ) {
- $wpdb->update( $wpdb->comments, $comment, array( 'comment_ID' => $comment['comment_ID'] ) );
- } else {
- $wpdb->insert( $wpdb->comments, $comment );
- }
-
- wp_update_comment_count( $comment['comment_post_ID'] );
- }
-
- public function trash_comment( $comment_id ) {
- wp_delete_comment( $comment_id );
- }
-
- public function delete_comment( $comment_id ) {
- wp_delete_comment( $comment_id, true );
- }
-
- public function spam_comment( $comment_id ) {
- wp_spam_comment( $comment_id );
- }
-
- public function trashed_post_comments( $post_id, $statuses ) {
- wp_trash_post_comments( $post_id );
- }
-
- public function untrashed_post_comments( $post_id ) {
- wp_untrash_post_comments( $post_id );
- }
-
- public function comments_checksum( $min_id = null, $max_id = null ) {
- global $wpdb;
- return $this->table_checksum( $wpdb->comments, Jetpack_Sync_Defaults::$default_comment_checksum_columns, 'comment_ID', Jetpack_Sync_Settings::get_comments_filter_sql(), $min_id, $max_id );
- }
-
- public function comment_meta_checksum( $min_id = null, $max_id = null ) {
- global $wpdb;
- return $this->table_checksum( $wpdb->commentmeta, Jetpack_Sync_Defaults::$default_comment_meta_checksum_columns, 'meta_id', Jetpack_Sync_Settings::get_whitelisted_comment_meta_sql(), $min_id, $max_id );
- }
-
- public function options_checksum() {
- global $wpdb;
-
- $options_whitelist = "'" . implode( "', '", Jetpack_Sync_Defaults::$default_options_whitelist ) . "'";
- $where_sql = "option_name IN ( $options_whitelist )";
-
- return $this->table_checksum( $wpdb->options, Jetpack_Sync_Defaults::$default_option_checksum_columns, null, $where_sql, null, null );
- }
-
-
- public function update_option( $option, $value ) {
- return update_option( $option, $value );
- }
-
- public function get_option( $option, $default = false ) {
- return get_option( $option, $default );
- }
-
- public function delete_option( $option ) {
- return delete_option( $option );
- }
-
- public function set_theme_support( $theme_support ) {
- // noop
- }
-
- public function current_theme_supports( $feature ) {
- return current_theme_supports( $feature );
- }
-
- public function get_metadata( $type, $object_id, $meta_key = '', $single = false ) {
- return get_metadata( $type, $object_id, $meta_key, $single );
- }
-
- /**
- *
- * Stores remote meta key/values alongside an ID mapping key
- *
- * @param $type
- * @param $object_id
- * @param $meta_key
- * @param $meta_value
- * @param $meta_id
- *
- * @return bool
- */
- public function upsert_metadata( $type, $object_id, $meta_key, $meta_value, $meta_id ) {
-
- $table = _get_meta_table( $type );
- if ( ! $table ) {
- return false;
- }
-
- global $wpdb;
-
- $exists = $wpdb->get_var(
- $wpdb->prepare(
- "SELECT EXISTS( SELECT 1 FROM $table WHERE meta_id = %d )",
- $meta_id
- )
- );
-
- if ( $exists ) {
- $wpdb->update(
- $table,
- array(
- 'meta_key' => $meta_key,
- 'meta_value' => maybe_serialize( $meta_value ),
- ),
- array( 'meta_id' => $meta_id )
- );
- } else {
- $object_id_field = $type . '_id';
- $wpdb->insert(
- $table,
- array(
- 'meta_id' => $meta_id,
- $object_id_field => $object_id,
- 'meta_key' => $meta_key,
- 'meta_value' => maybe_serialize( $meta_value ),
- )
- );
- }
-
- wp_cache_delete( $object_id, $type . '_meta' );
-
- return true;
- }
-
- public function delete_metadata( $type, $object_id, $meta_ids ) {
- global $wpdb;
-
- $table = _get_meta_table( $type );
- if ( ! $table ) {
- return false;
- }
-
- foreach ( $meta_ids as $meta_id ) {
- $wpdb->query( $wpdb->prepare( "DELETE FROM $table WHERE meta_id = %d", $meta_id ) );
- }
-
- // if we don't have an object ID what do we do - invalidate ALL meta?
- if ( $object_id ) {
- wp_cache_delete( $object_id, $type . '_meta' );
- }
- }
-
- // todo: test this out to make sure it works as expected.
- public function delete_batch_metadata( $type, $object_ids, $meta_key ) {
- global $wpdb;
-
- $table = _get_meta_table( $type );
- if ( ! $table ) {
- return false;
- }
- $column = sanitize_key( $type . '_id' );
- $wpdb->query( $wpdb->prepare( "DELETE FROM $table WHERE $column IN (%s) && meta_key = %s", implode( ',', $object_ids ), $meta_key ) );
-
- // if we don't have an object ID what do we do - invalidate ALL meta?
- foreach ( $object_ids as $object_id ) {
- wp_cache_delete( $object_id, $type . '_meta' );
- }
- }
-
- // constants
- public function get_constant( $constant ) {
- $value = get_option( 'jetpack_constant_' . $constant );
-
- if ( $value ) {
- return $value;
- }
-
- return null;
- }
-
- public function set_constant( $constant, $value ) {
- update_option( 'jetpack_constant_' . $constant, $value );
- }
-
- public function get_updates( $type ) {
- $all_updates = get_option( 'jetpack_updates', array() );
-
- if ( isset( $all_updates[ $type ] ) ) {
- return $all_updates[ $type ];
- } else {
- return null;
- }
- }
-
- public function set_updates( $type, $updates ) {
- $all_updates = get_option( 'jetpack_updates', array() );
- $all_updates[ $type ] = $updates;
- update_option( 'jetpack_updates', $all_updates );
- }
-
- // functions
- public function get_callable( $name ) {
- $value = get_option( 'jetpack_' . $name );
-
- if ( $value ) {
- return $value;
- }
-
- return null;
- }
-
- public function set_callable( $name, $value ) {
- update_option( 'jetpack_' . $name, $value );
- }
-
- // network options
- public function get_site_option( $option ) {
- return get_option( 'jetpack_network_' . $option );
- }
-
- public function update_site_option( $option, $value ) {
- return update_option( 'jetpack_network_' . $option, $value );
- }
-
- public function delete_site_option( $option ) {
- return delete_option( 'jetpack_network_' . $option );
- }
-
- // terms
- // terms
- public function get_terms( $taxonomy ) {
- return get_terms( $taxonomy );
- }
-
- public function get_term( $taxonomy, $term_id, $is_term_id = true ) {
- $t = $this->ensure_taxonomy( $taxonomy );
- if ( ! $t || is_wp_error( $t ) ) {
- return $t;
- }
-
- return get_term( $term_id, $taxonomy );
- }
-
- private function ensure_taxonomy( $taxonomy ) {
- if ( ! taxonomy_exists( $taxonomy ) ) {
- // try re-registering synced taxonomies
- $taxonomies = $this->get_callable( 'taxonomies' );
- if ( ! isset( $taxonomies[ $taxonomy ] ) ) {
- // doesn't exist, or somehow hasn't been synced
- return new WP_Error( 'invalid_taxonomy', "The taxonomy '$taxonomy' doesn't exist" );
- }
- $t = $taxonomies[ $taxonomy ];
-
- return register_taxonomy(
- $taxonomy,
- $t->object_type,
- (array) $t
- );
- }
-
- return true;
- }
-
- public function get_the_terms( $object_id, $taxonomy ) {
- return get_the_terms( $object_id, $taxonomy );
- }
-
- public function update_term( $term_object ) {
- $taxonomy = $term_object->taxonomy;
- global $wpdb;
- $exists = $wpdb->get_var(
- $wpdb->prepare(
- "SELECT EXISTS( SELECT 1 FROM $wpdb->terms WHERE term_id = %d )",
- $term_object->term_id
- )
- );
- if ( ! $exists ) {
- $term_object = sanitize_term( clone( $term_object ), $taxonomy, 'db' );
- $term = array(
- 'term_id' => $term_object->term_id,
- 'name' => $term_object->name,
- 'slug' => $term_object->slug,
- 'term_group' => $term_object->term_group,
- );
- $term_taxonomy = array(
- 'term_taxonomy_id' => $term_object->term_taxonomy_id,
- 'term_id' => $term_object->term_id,
- 'taxonomy' => $term_object->taxonomy,
- 'description' => $term_object->description,
- 'parent' => (int) $term_object->parent,
- 'count' => (int) $term_object->count,
- );
- $wpdb->insert( $wpdb->terms, $term );
- $wpdb->insert( $wpdb->term_taxonomy, $term_taxonomy );
-
- return true;
- }
-
- return wp_update_term( $term_object->term_id, $taxonomy, (array) $term_object );
- }
-
- public function delete_term( $term_id, $taxonomy ) {
- return wp_delete_term( $term_id, $taxonomy );
- }
-
- public function update_object_terms( $object_id, $taxonomy, $terms, $append ) {
- wp_set_object_terms( $object_id, $terms, $taxonomy, $append );
- }
-
- public function delete_object_terms( $object_id, $tt_ids ) {
- global $wpdb;
-
- if ( is_array( $tt_ids ) && ! empty( $tt_ids ) ) {
- // escape
- $tt_ids_sanitized = array_map( 'intval', $tt_ids );
-
- $taxonomies = array();
- foreach ( $tt_ids_sanitized as $tt_id ) {
- $term = get_term_by( 'term_taxonomy_id', $tt_id );
- $taxonomies[ $term->taxonomy ][] = $tt_id;
- }
- $in_tt_ids = implode( ', ', $tt_ids_sanitized );
-
- /**
- * Fires immediately before an object-term relationship is deleted.
- *
- * @since 2.9.0
- *
- * @param int $object_id Object ID.
- * @param array $tt_ids An array of term taxonomy IDs.
- */
- do_action( 'delete_term_relationships', $object_id, $tt_ids_sanitized );
- $deleted = $wpdb->query( $wpdb->prepare( "DELETE FROM $wpdb->term_relationships WHERE object_id = %d AND term_taxonomy_id IN ($in_tt_ids)", $object_id ) );
- foreach ( $taxonomies as $taxonomy => $taxonomy_tt_ids ) {
- $this->ensure_taxonomy( $taxonomy );
- wp_cache_delete( $object_id, $taxonomy . '_relationships' );
- /**
- * Fires immediately after an object-term relationship is deleted.
- *
- * @since 2.9.0
- *
- * @param int $object_id Object ID.
- * @param array $tt_ids An array of term taxonomy IDs.
- */
- do_action( 'deleted_term_relationships', $object_id, $taxonomy_tt_ids );
- wp_update_term_count( $taxonomy_tt_ids, $taxonomy );
- }
-
- return (bool) $deleted;
- }
-
- return false;
- }
-
- // users
- public function user_count() {
-
- }
-
- public function get_user( $user_id ) {
- return WP_User::get_instance( $user_id );
- }
-
- public function upsert_user( $user ) {
- $this->invalid_call();
- }
-
- public function delete_user( $user_id ) {
- $this->invalid_call();
- }
-
- public function upsert_user_locale( $user_id, $local ) {
- $this->invalid_call();
- }
-
- public function delete_user_locale( $user_id ) {
- $this->invalid_call();
- }
-
- public function get_user_locale( $user_id ) {
- return get_user_locale( $user_id );
- }
-
- public function get_allowed_mime_types( $user_id ) {
-
- }
-
- public function checksum_all() {
- $post_meta_checksum = $this->checksum_histogram( 'post_meta', 1 );
- $comment_meta_checksum = $this->checksum_histogram( 'comment_meta', 1 );
-
- return array(
- 'posts' => $this->posts_checksum(),
- 'comments' => $this->comments_checksum(),
- 'post_meta' => reset( $post_meta_checksum ),
- 'comment_meta' => reset( $comment_meta_checksum ),
- );
- }
-
- function checksum_histogram( $object_type, $buckets, $start_id = null, $end_id = null, $columns = null, $strip_non_ascii = true, $salt = '' ) {
- global $wpdb;
-
- $wpdb->queries = array();
-
- switch ( $object_type ) {
- case 'posts':
- $object_count = $this->post_count( null, $start_id, $end_id );
- $object_table = $wpdb->posts;
- $id_field = 'ID';
- $where_sql = Jetpack_Sync_Settings::get_blacklisted_post_types_sql();
- if ( empty( $columns ) ) {
- $columns = Jetpack_Sync_Defaults::$default_post_checksum_columns;
- }
- break;
- case 'post_meta':
- $object_table = $wpdb->postmeta;
- $where_sql = Jetpack_Sync_Settings::get_whitelisted_post_meta_sql();
- $object_count = $this->meta_count( $object_table, $where_sql, $start_id, $end_id );
- $id_field = 'meta_id';
-
- if ( empty( $columns ) ) {
- $columns = Jetpack_Sync_Defaults::$default_post_meta_checksum_columns;
- }
- break;
- case 'comments':
- $object_count = $this->comment_count( null, $start_id, $end_id );
- $object_table = $wpdb->comments;
- $id_field = 'comment_ID';
- $where_sql = Jetpack_Sync_Settings::get_comments_filter_sql();
- if ( empty( $columns ) ) {
- $columns = Jetpack_Sync_Defaults::$default_comment_checksum_columns;
- }
- break;
- case 'comment_meta':
- $object_table = $wpdb->commentmeta;
- $where_sql = Jetpack_Sync_Settings::get_whitelisted_comment_meta_sql();
- $object_count = $this->meta_count( $object_table, $where_sql, $start_id, $end_id );
- $id_field = 'meta_id';
- if ( empty( $columns ) ) {
- $columns = Jetpack_Sync_Defaults::$default_post_meta_checksum_columns;
- }
- break;
- default:
- return false;
- }
-
- $bucket_size = intval( ceil( $object_count / $buckets ) );
- $previous_max_id = 0;
- $histogram = array();
-
- $where = '1=1';
-
- if ( $start_id ) {
- $where .= " AND $id_field >= " . intval( $start_id );
- }
-
- if ( $end_id ) {
- $where .= " AND $id_field <= " . intval( $end_id );
- }
-
- do {
- list( $first_id, $last_id ) = $wpdb->get_row(
- "SELECT MIN($id_field) as min_id, MAX($id_field) as max_id FROM ( SELECT $id_field FROM $object_table WHERE $where AND $id_field > $previous_max_id ORDER BY $id_field ASC LIMIT $bucket_size ) as ids",
- ARRAY_N
- );
-
- if ( null === $first_id || null === $last_id ) {
- // Nothing to checksum here...
- break;
- }
-
- // get the checksum value
- $value = $this->table_checksum( $object_table, $columns, $id_field, $where_sql, $first_id, $last_id, $strip_non_ascii, $salt );
-
- if ( is_wp_error( $value ) ) {
- return $value;
- }
-
- if ( null === $first_id || null === $last_id ) {
- break;
- } elseif ( $first_id === $last_id ) {
- $histogram[ $first_id ] = $value;
- } else {
- $histogram[ "{$first_id}-{$last_id}" ] = $value;
- }
-
- $previous_max_id = $last_id;
- } while ( true );
-
- return $histogram;
- }
-
- private function table_checksum( $table, $columns, $id_column, $where_sql = '1=1', $min_id = null, $max_id = null, $strip_non_ascii = true, $salt = '' ) {
- global $wpdb;
-
- // sanitize to just valid MySQL column names
- $sanitized_columns = preg_grep( '/^[0-9,a-z,A-Z$_]+$/i', $columns );
-
- if ( $strip_non_ascii ) {
- $columns_sql = implode( ',', array_map( array( $this, 'strip_non_ascii_sql' ), $sanitized_columns ) );
- } else {
- $columns_sql = implode( ',', $sanitized_columns );
- }
-
- if ( null !== $min_id && null !== $max_id ) {
- if ( $min_id === $max_id ) {
- $min_id = intval( $min_id );
- $where_sql .= " AND $id_column = $min_id LIMIT 1";
- } else {
- $min_id = intval( $min_id );
- $max_id = intval( $max_id );
- $size = $max_id - $min_id;
- $where_sql .= " AND $id_column >= $min_id AND $id_column <= $max_id LIMIT $size";
- }
- } else {
- if ( null !== $min_id ) {
- $min_id = intval( $min_id );
- $where_sql .= " AND $id_column >= $min_id";
- }
-
- if ( null !== $max_id ) {
- $max_id = intval( $max_id );
- $where_sql .= " AND $id_column <= $max_id";
- }
- }
-
- $query = <<<ENDSQL
- SELECT CAST( SUM( CRC32( CONCAT_WS( '#', '%s', {$columns_sql} ) ) ) AS UNSIGNED INT )
- FROM $table
- WHERE $where_sql;
-ENDSQL;
- $result = $wpdb->get_var( $wpdb->prepare( $query, $salt ) );
- if ( $wpdb->last_error ) {
- return new WP_Error( 'database_error', $wpdb->last_error );
- }
-
- return $result;
- }
-
- public function get_checksum_type() {
- return 'sum';
- }
-
- private function meta_count( $table, $where_sql, $min_id, $max_id ) {
- global $wpdb;
-
- if ( $min_id != null ) {
- $where_sql .= ' AND meta_id >= ' . intval( $min_id );
- }
-
- if ( $max_id != null ) {
- $where_sql .= ' AND meta_id <= ' . intval( $max_id );
- }
-
- return $wpdb->get_var( "SELECT COUNT(*) FROM $table WHERE $where_sql" );
- }
-
- /**
- * Wraps a column name in SQL which strips non-ASCII chars.
- * This helps normalize data to avoid checksum differences caused by
- * badly encoded data in the DB
- */
- function strip_non_ascii_sql( $column_name ) {
- return "REPLACE( CONVERT( $column_name USING ascii ), '?', '' )";
- }
-
- private function invalid_call() {
- $backtrace = debug_backtrace();
- $caller = $backtrace[1]['function'];
- throw new Exception( "This function $caller is not supported on the WP Replicastore" );
- }
-}