PostgreSQL implementation of \Drupal\Core\Database\Schema.
Hierarchy
- class \Drupal\Core\Database\Schema implements PlaceholderInterface
- class \Drupal\Core\Database\Driver\pgsql\Schema
Related topics
- Schema API
- API to handle database schemas.
File
- core/lib/Drupal/Core/Database/Driver/pgsql/Schema.php, line 18
Namespace
Drupal\Core\Database\Driver\pgsql
Members
| Name | Modifiers | Type | Description |
|---|---|---|---|
| Schema::$connection | protected | property | The database connection. |
| Schema::$defaultSchema | protected | property | Definition of prefixInfo array structure. |
| Schema::$maxIdentifierLength | protected | property | The maximum allowed length for index, primary key and constraint names. |
| Schema::$placeholder | protected | property | The placeholder counter. |
| Schema::$tableInformation | protected | property | A cache of information about blob columns and sequences of tables. |
| Schema::$uniqueIdentifier | protected | property | A unique identifier for this query object. |
| Schema::addField | public | function | Add a new field to a table. Overrides Schema::addField |
| Schema::addIndex | public | function | Add an index. Overrides Schema::addIndex |
| Schema::addPrimaryKey | public | function | Add a primary key. Overrides Schema::addPrimaryKey |
| Schema::addUniqueKey | function | Add a unique key. Overrides Schema::addUniqueKey | |
| Schema::buildTableNameCondition | protected | function | Build a condition to match a table name against a standard information_schema. |
| Schema::changeField | public | function | Change a field definition. Overrides Schema::changeField |
| Schema::constraintExists | public | function | Helper function: check if a constraint (PK, FK, UK) exists. |
| Schema::createFieldSql | protected | function | Create an SQL string for a field to be used in table creation or alteration. |
| Schema::createPrimaryKeySql | protected | function | Create the SQL expression for primary keys. |
| Schema::createTable | public | function | Create a new table from a Drupal table definition. |
| Schema::createTableSql | protected | function | Generate SQL to create a new table from a Drupal schema definition. |
| Schema::dropField | public | function | Drop a field. Overrides Schema::dropField |
| Schema::dropIndex | public | function | Drop an index. Overrides Schema::dropIndex |
| Schema::dropPrimaryKey | public | function | Drop the primary key. Overrides Schema::dropPrimaryKey |
| Schema::dropTable | public | function | Drop a table. Overrides Schema::dropTable |
| Schema::dropUniqueKey | public | function | Drop a unique key. Overrides Schema::dropUniqueKey |
| Schema::ensureIdentifiersLength | protected | function | Make sure to limit identifiers according to PostgreSQL compiled in length. |
| Schema::escapeDefaultValue | protected | function | Return an escaped version of its parameter to be used as a default value on a column. |
| Schema::fieldExists | public | function | Check if a column exists in the given table. |
| Schema::fieldNames | public | function | Return an array of field names from an array of key/index column specifiers. |
| Schema::fieldSetDefault | public | function | Set the default value for a field. Overrides Schema::fieldSetDefault |
| Schema::fieldSetNoDefault | public | function | Set a field to have no default value. Overrides Schema::fieldSetNoDefault |
| Schema::findTables | public | function | Finds all tables that are like the specified base table name. |
| Schema::getComment | public | function | Retrieve a table or column comment. |
| Schema::getFieldTypeMap | function | This maps a generic data type in combination with its data size to the engine-specific data type. Overrides Schema::getFieldTypeMap | |
| Schema::getPrefixInfo | protected | function | Get information about the table name and schema from the prefix. |
| Schema::hashBase64 | protected | function | Calculates a base-64 encoded, PostgreSQL-safe sha-256 hash per PostgreSQL documentation: 4.1. Lexical Structure. |
| Schema::indexExists | public | function | Checks if an index exists in the given table. Overrides Schema::indexExists |
| Schema::nextPlaceholder | public | function | Returns the next placeholder ID for the query. Overrides PlaceholderInterface::nextPlaceholder |
| Schema::prefixNonTable | function | Create names for indexes, primary keys and constraints. | |
| Schema::prepareComment | public | function | Prepare a table or column comment for database query. |
| Schema::processField | protected | function | Set database-engine specific properties for a field. |
| Schema::queryFieldInformation | public | function | Fetch the list of CHECK constraints used on a field. |
| Schema::queryTableInformation | public | function | Fetch the list of blobs and sequences used on a table. |
| Schema::renameTable | function | Rename a table. Overrides Schema::renameTable | |
| Schema::resetTableInformation | protected | function | Resets information about table blobs, sequences and serial fields. |
| Schema::tableExists | public | function | Check if a table exists. Overrides Schema::tableExists |
| Schema::uniqueIdentifier | public | function | Returns a unique identifier for this object. Overrides PlaceholderInterface::uniqueIdentifier |
| Schema::_createIndexSql | protected | function | |
| Schema::_createKeys | protected | function | |
| Schema::_createKeySql | protected | function | |
| Schema::__clone | public | function | Implements the magic __clone function. |
| Schema::__construct | public | function |
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