abstract public Schema::changeField($table, $field, $field_new, $spec, $keys_new

public Schema::tableExists($table) Check if

protected Schema::escapeDefaultValue($value) Return

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

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

The database connection. Type:

abstract public Schema::addUniqueKey($table, $name, $fields)

Schema::prefixNonTable($table) Create names

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

public Schema::fieldNames($fields) Return