February 24, 2011 
Definition:
function maybe_create_table($table_name, $create_ddl) {}
Parameters
- string $table_name: Database table name to create.
- string $create_ddl: SQL statement to create table.
Return values
returns:If table already exists or was created by function.
Source code
function maybe_create_table($table_name, $create_ddl) {
global $wpdb;
if ( $wpdb->get_var("SHOW TABLES LIKE '$table_name'") == $table_name )
return true;
//didn't find it try to create it.
$q = $wpdb->query($create_ddl);
// we cannot directly tell that whether this succeeded!
if ( $wpdb->get_var("SHOW TABLES LIKE '$table_name'") == $table_name )
return true;
return false;
}
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