abstract public Schema::dropPrimaryKey($table) Drop the primary key. Parameters $table: The table to be altered. Return value TRUE if the primary key was successfully dropped, FALSE if there was no primary key on this table to begin with. File core/lib/Drupal/Core/Database/Schema.php, line 405 Class Schema Provides a base implementation for Database Schema. Namespace Drupal\Core\Database Code abstract public function dropPrimaryKey($table);

public Schema::dropIndex($table, $name) Drop an index. Parameters $table: The table to be altered. $name: The name of the index. Return value TRUE if the index was successfully dropped, FALSE if there was no index by that name to begin with. Overrides Schema::dropIndex File core/lib/Drupal/Core/Database/Driver/pgsql/Schema.php, line 679 Class Schema PostgreSQL implementation of \Drupal\Core\Database\Schema. Namespace Drupal\Core\Database\Driver\pgsql Code public function dropIndex($t

public Schema::dropIndex($table, $name) Drop an index. Parameters $table: The table to be altered. $name: The name of the index. Return value TRUE if the index was successfully dropped, FALSE if there was no index by that name to begin with. Overrides Schema::dropIndex File core/lib/Drupal/Core/Database/Driver/sqlite/Schema.php, line 623 Class Schema SQLite implementation of \Drupal\Core\Database\Schema. Namespace Drupal\Core\Database\Driver\sqlite Code public function dropIndex($tab

public Schema::dropIndex($table, $name) Drop an index. Parameters $table: The table to be altered. $name: The name of the index. Return value TRUE if the index was successfully dropped, FALSE if there was no index by that name to begin with. Overrides Schema::dropIndex File core/lib/Drupal/Core/Database/Driver/mysql/Schema.php, line 514 Class Schema MySQL implementation of \Drupal\Core\Database\Schema. Namespace Drupal\Core\Database\Driver\mysql Code public function dropIndex($table,

abstract public Schema::dropIndex($table, $name) Drop an index. Parameters $table: The table to be altered. $name: The name of the index. Return value TRUE if the index was successfully dropped, FALSE if there was no index by that name to begin with. File core/lib/Drupal/Core/Database/Schema.php, line 512 Class Schema Provides a base implementation for Database Schema. Namespace Drupal\Core\Database Code abstract public function dropIndex($table, $name);

public Schema::dropField($table, $field) Drop a field. Parameters $table: The table to be altered. $field: The field to be dropped. Return value TRUE if the field was successfully dropped, FALSE if there was no field by that name to begin with. Overrides Schema::dropField File core/lib/Drupal/Core/Database/Driver/pgsql/Schema.php, line 552 Class Schema PostgreSQL implementation of \Drupal\Core\Database\Schema. Namespace Drupal\Core\Database\Driver\pgsql Code public function dropField

public Schema::dropField($table, $field) Drop a field. Parameters $table: The table to be altered. $field: The field to be dropped. Return value TRUE if the field was successfully dropped, FALSE if there was no field by that name to begin with. Overrides Schema::dropField File core/lib/Drupal/Core/Database/Driver/sqlite/Schema.php, line 503 Class Schema SQLite implementation of \Drupal\Core\Database\Schema. Namespace Drupal\Core\Database\Driver\sqlite Code public function dropField($

public Schema::dropField($table, $field) Drop a field. Parameters $table: The table to be altered. $field: The field to be dropped. Return value TRUE if the field was successfully dropped, FALSE if there was no field by that name to begin with. Overrides Schema::dropField File core/lib/Drupal/Core/Database/Driver/mysql/Schema.php, line 425 Class Schema MySQL implementation of \Drupal\Core\Database\Schema. Namespace Drupal\Core\Database\Driver\mysql Code public function dropField($tab

abstract public Schema::dropField($table, $field) Drop a field. Parameters $table: The table to be altered. $field: The field to be dropped. Return value TRUE if the field was successfully dropped, FALSE if there was no field by that name to begin with. File core/lib/Drupal/Core/Database/Schema.php, line 337 Class Schema Provides a base implementation for Database Schema. Namespace Drupal\Core\Database Code abstract public function dropField($table, $field);

protected Schema::createTableSql($name, $table) Generate SQL to create a new table from a Drupal schema definition. Parameters $name: The name of the table to create. $table: A Schema API table definition array. Return value An array of SQL statements to create the table. File core/lib/Drupal/Core/Database/Driver/pgsql/Schema.php, line 221 Class Schema PostgreSQL implementation of \Drupal\Core\Database\Schema. Namespace Drupal\Core\Database\Driver\pgsql Code protected function create