public dropPrimaryKey (mixed $tableName, mixed $schemaName) Drops a table’s primary key

public escapeIdentifier (mixed $identifier) Escapes a column/table/schema name

public supportSequences () Check whether the database system requires a sequence to produce auto-numeric values

extends abstract class Phalcon\Db\Adapter\Pdo

public affectedRows () Returns the number of affected rows by the lastest INSERT/UPDATE/DELETE executed in the database system

public Phalcon\Db\IndexInterface[] describeIndexes

public getDefaultValue () Returns the default value to make the RBDM use the default value declared in the table definition

public createTable (mixed $tableName, mixed $schemaName, array $definition) Creates a table

public string | ** fetchColumn (string $sqlQuery, [array $placeholders], [int | string $column])

public escapeString (mixed $str) Escapes a value to avoid SQL injections according to the active charset in the connection