protected Schema::escapeDefaultValue($value) Return

public Schema::tableExists($table) Check if

public Schema::fieldExists($table, $column) Check

The database connection. Type:

Provides a base implementation for Database Schema. Hierarchy class \Drupal\Core\Database\

abstract public Schema::indexExists($table, $name) Checks

abstract public Schema::dropIndex($table, $name) Drop

abstract public Schema::dropField($table, $field) Drop

public Schema::uniqueIdentifier() Returns

protected Schema::buildTableNameCondition($table_name, $operator = '=', $add_prefix