File: wp-includes/class-wpdb.php
-
Determines whether the database supports collation.
-
Retrieves the database character collate.
-
methodwpdb::has_cap()
Determines whether the database or WPDB supports a particular feature.
-
methodwpdb::get_caller()
Retrieves a comma-separated list of the names of the functions that called wpdb.
-
methodwpdb::db_version()
Retrieves the database server version.
-
methodwpdb::get_col_info()
Retrieves column metadata from the last query.
-
methodwpdb::timer_start()
Starts the timer, for debugging purposes.
-
methodwpdb::replace()
Replaces a row in the table or inserts it if it does not exist, based on a PRIMARY KEY or a UNIQUE index.
-
Helper function for insert and replace.
-
methodwpdb::update()
Updates a row in the table.
-
methodwpdb::delete()
Deletes a row in the table.
-
methodwpdb::get_var()
Retrieves one value from the database.
-
methodwpdb::get_row()
Retrieves one row from the database.
-
methodwpdb::check_connection()
Checks that the connection to the database is still up. If not, try to reconnect.
-
methodwpdb::get_col()
Retrieves one column from the database.
-
methodwpdb::query()
Performs a database query, using current database connection.
-
methodwpdb::get_results()
Retrieves an entire SQL result set from the database (i.e., many rows).
-
hookquery
Filters the database query.
-
methodwpdb::load_col_info()
Loads the column metadata from the last query.
-
methodwpdb::_do_query()
Internal function to perform the mysqli_query() call.
-
methodwpdb::insert()
Inserts a row into the table.
-
methodwpdb::print_error()
Prints SQL/DB error.
-
methodwpdb::show_errors()
Enables showing of database errors.
-
methodwpdb::hide_errors()
Disables showing of database errors.
-
methodwpdb::tables()
Returns an array of WordPress tables.
-
methodwpdb::suppress_errors()
Enables or disables suppressing of database errors.
-
methodwpdb::select()
Selects a database using the current or provided database connection.
-
methodwpdb::flush()
Kills cached query results.
-
methodwpdb::_weak_escape()
Do not use, deprecated.
-
methodwpdb::db_connect()
Connects to and selects database.