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<?php /** * @link https://www.yiiframework.com/ * @copyright Copyright (c) 2008 Yii Software LLC * @license https://www.yiiframework.com/license/ */ namespace yii\db; /** * ConstraintFinderInterface defines methods for getting a table constraint information. * * @author Sergey Makinen <sergey@makinen.ru> * @since 2.0.14 */ interface ConstraintFinderInterface { /** * Obtains the primary key for the named table. * @param string $name table name. The table name may contain schema name if any. Do not quote the table name. * @param bool $refresh whether to reload the information even if it is found in the cache. * @return Constraint|null table primary key, `null` if the table has no primary key. */ public function getTablePrimaryKey($name, $refresh = false); /** * Returns primary keys for all tables in the database. * @param string $schema the schema of the tables. Defaults to empty string, meaning the current or default schema name. * @param bool $refresh whether to fetch the latest available table schemas. If this is `false`, * cached data may be returned if available. * @return Constraint[] primary keys for all tables in the database. * Each array element is an instance of [[Constraint]] or its child class. */ public function getSchemaPrimaryKeys($schema = '', $refresh = false); /** * Obtains the foreign keys information for the named table. * @param string $name table name. The table name may contain schema name if any. Do not quote the table name. * @param bool $refresh whether to reload the information even if it is found in the cache. * @return ForeignKeyConstraint[] table foreign keys. */ public function getTableForeignKeys($name, $refresh = false); /** * Returns foreign keys for all tables in the database. * @param string $schema the schema of the tables. Defaults to empty string, meaning the current or default schema name. * @param bool $refresh whether to fetch the latest available table schemas. If this is false, * cached data may be returned if available. * @return ForeignKeyConstraint[][] foreign keys for all tables in the database. * Each array element is an array of [[ForeignKeyConstraint]] or its child classes. */ public function getSchemaForeignKeys($schema = '', $refresh = false); /** * Obtains the indexes information for the named table. * @param string $name table name. The table name may contain schema name if any. Do not quote the table name. * @param bool $refresh whether to reload the information even if it is found in the cache. * @return IndexConstraint[] table indexes. */ public function getTableIndexes($name, $refresh = false); /** * Returns indexes for all tables in the database. * @param string $schema the schema of the tables. Defaults to empty string, meaning the current or default schema name. * @param bool $refresh whether to fetch the latest available table schemas. If this is false, * cached data may be returned if available. * @return IndexConstraint[][] indexes for all tables in the database. * Each array element is an array of [[IndexConstraint]] or its child classes. */ public function getSchemaIndexes($schema = '', $refresh = false); /** * Obtains the unique constraints information for the named table. * @param string $name table name. The table name may contain schema name if any. Do not quote the table name. * @param bool $refresh whether to reload the information even if it is found in the cache. * @return Constraint[] table unique constraints. */ public function getTableUniques($name, $refresh = false); /** * Returns unique constraints for all tables in the database. * @param string $schema the schema of the tables. Defaults to empty string, meaning the current or default schema name. * @param bool $refresh whether to fetch the latest available table schemas. If this is false, * cached data may be returned if available. * @return Constraint[][] unique constraints for all tables in the database. * Each array element is an array of [[Constraint]] or its child classes. */ public function getSchemaUniques($schema = '', $refresh = false); /** * Obtains the check constraints information for the named table. * @param string $name table name. The table name may contain schema name if any. Do not quote the table name. * @param bool $refresh whether to reload the information even if it is found in the cache. * @return CheckConstraint[] table check constraints. */ public function getTableChecks($name, $refresh = false); /** * Returns check constraints for all tables in the database. * @param string $schema the schema of the tables. Defaults to empty string, meaning the current or default schema name. * @param bool $refresh whether to fetch the latest available table schemas. If this is false, * cached data may be returned if available. * @return CheckConstraint[][] check constraints for all tables in the database. * Each array element is an array of [[CheckConstraint]] or its child classes. */ public function getSchemaChecks($schema = '', $refresh = false); /** * Obtains the default value constraints information for the named table. * @param string $name table name. The table name may contain schema name if any. Do not quote the table name. * @param bool $refresh whether to reload the information even if it is found in the cache. * @return DefaultValueConstraint[] table default value constraints. */ public function getTableDefaultValues($name, $refresh = false); /** * Returns default value constraints for all tables in the database. * @param string $schema the schema of the tables. Defaults to empty string, meaning the current or default schema name. * @param bool $refresh whether to fetch the latest available table schemas. If this is false, * cached data may be returned if available. * @return DefaultValueConstraint[] default value constraints for all tables in the database. * Each array element is an array of [[DefaultValueConstraint]] or its child classes. */ public function getSchemaDefaultValues($schema = '', $refresh = false); }