Documentation & API reference
Classes, traits, and interfaces
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| Name | Type | Namespace |
Location |
Description | Direct uses | Use statements | Strings |
|---|---|---|---|---|---|---|---|
| ArchiverInterface | interface |
drupal/ |
Defines the common interface for all Archiver classes. | 2 | |||
| BatchQueue | class |
drupal/ |
Defines a batch queue. | ||||
| BatchMemoryQueue | class |
drupal/ |
Defines a batch queue for non-progressive batches. | ||||
| DrupalCacheArray | abstract class |
drupal/ |
Provides a caching wrapper to be used in place of large array structures. | 2 | |||
| SchemaCache | class |
drupal/ |
Extends DrupalCacheArray to allow for dynamic building of the schema cache. | ||||
| DrupalFakeCache | class |
drupal/ |
Defines a stub cache implementation to be used during installation. | ||||
| DrupalCacheInterface | interface |
drupal/ |
Defines an interface for cache implementations. | 2 | |||
| DrupalDatabaseCache | class |
drupal/ |
Defines a default cache implementation. | 1 | |||
| Database | abstract class |
drupal/ |
Primary front-controller for the database system. | ||||
| DatabaseTransactionNoActiveException | class |
drupal/ |
Exception for when popTransaction() is called with no active transaction. | ||||
| DatabaseTransactionNameNonUniqueException | class |
drupal/ |
Exception thrown when a savepoint or transaction name occurs twice. | ||||
| DatabaseTransactionCommitFailedException | class |
drupal/ |
Exception thrown when a commit() function fails. | ||||
| DatabaseTransactionExplicitCommitNotAllowedException | class |
drupal/ |
Exception to deny attempts to explicitly manage transactions. | ||||
| DatabaseTransactionOutOfOrderException | class |
drupal/ |
Exception thrown when a rollback() resulted in other active transactions being rolled-back. | ||||
| InvalidMergeQueryException | class |
drupal/ |
Exception thrown for merge queries that do not make semantic sense. | ||||
| FieldsOverlapException | class |
drupal/ |
Exception thrown if an insert query specifies a field twice. | ||||
| NoFieldsException | class |
drupal/ |
Exception thrown if an insert query doesn't specify insert or default fields. | ||||
| DatabaseConnectionNotDefinedException | class |
drupal/ |
Exception thrown if an undefined database connection is requested. | ||||
| DatabaseDriverNotSpecifiedException | class |
drupal/ |
Exception thrown if no driver is specified for a database connection. | ||||
| DatabaseTransaction | class |
drupal/ |
A wrapper class for creating and managing database transactions. | ||||
| DatabaseStatementInterface | interface |
drupal/ |
Represents a prepared statement. | 4 | |||
| DatabaseStatementBase | class |
drupal/ |
Default implementation of DatabaseStatementInterface. | ||||
| DatabaseStatementEmpty | class |
drupal/ |
Empty implementation of a database statement. | ||||
| DatabaseConnection | abstract class |
drupal/ |
Base Database API class. | 3 | |||
| DatabaseLog | class |
drupal/ |
Database query logger. | ||||
| DatabaseConnection_mysql | class |
drupal/ |
|||||
| DatabaseTasks_mysql | class |
drupal/ |
Specifies installation tasks for MySQL and equivalent databases. | ||||
| InsertQuery_mysql | class |
drupal/ |
@file Query code for MySQL embedded database engine. | ||||
| TruncateQuery_mysql | class |
drupal/ |
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| DatabaseSchema_mysql | class |
drupal/ |
|||||
| DatabaseConnection_pgsql | class |
drupal/ |
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| DatabaseTasks_pgsql | class |
drupal/ |
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| InsertQuery_pgsql | class |
drupal/ |
@file Query code for PostgreSQL embedded database engine. | ||||
| UpdateQuery_pgsql | class |
drupal/ |
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| DatabaseSchema_pgsql | class |
drupal/ |
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| SelectQuery_pgsql | class |
drupal/ |
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| DatabaseStatementPrefetch | class |
drupal/ |
An implementation of DatabaseStatementInterface that prefetches all data. | 1 | |||
| DatabaseCondition | class |
drupal/ |
Generic class for a series of conditions in a query. | ||||
| QueryConditionInterface | interface |
drupal/ |
Interface for a conditional clause in a query. | 5 | |||
| QueryAlterableInterface | interface |
drupal/ |
Interface for a query that can be manipulated via an alter hook. | 1 | |||
| QueryPlaceholderInterface | interface |
drupal/ |
Interface for a query that accepts placeholders. | 3 | |||
| Query | abstract class |
drupal/ |
Base class for query builders. | 6 | |||
| InsertQuery | class |
drupal/ |
General class for an abstracted INSERT query. | 3 | |||
| DeleteQuery | class |
drupal/ |
General class for an abstracted DELETE operation. | 1 | |||
| TruncateQuery | class |
drupal/ |
General class for an abstracted TRUNCATE operation. | 2 | |||
| UpdateQuery | class |
drupal/ |
General class for an abstracted UPDATE operation. | 2 | |||
| MergeQuery | class |
drupal/ |
General class for an abstracted MERGE query operation. | ||||
| DatabaseSchema | abstract class |
drupal/ |
Base class for database schema definitions. | 3 | |||
| DatabaseSchemaObjectExistsException | class |
drupal/ |
Exception thrown if an object being created already exists. | ||||
| DatabaseSchemaObjectDoesNotExistException | class |
drupal/ |
Exception thrown if an object being modified doesn't exist yet. |