db
Table of Contents
Namespaces
Interfaces
- ActiveQueryInterface
- ActiveQueryInterface defines the common interface to be implemented by active record query classes.
- ActiveRecordInterface
- ActiveRecordInterface.
- ConstraintFinderInterface
- ConstraintFinderInterface defines methods for getting a table constraint information.
- ExpressionBuilderInterface
- Interface ExpressionBuilderInterface is designed to build raw SQL from specific expression objects that implement [[ExpressionInterface]].
- ExpressionInterface
- Interface ExpressionInterface should be used to mark classes, that should be built in a special way.
- MigrationInterface
- The MigrationInterface defines the minimum set of methods to be implemented by a database migration.
- QueryInterface
- The QueryInterface defines the minimum set of methods to be implemented by a database query.
Classes
- ActiveQuery
- ActiveQuery represents a DB query associated with an Active Record class.
- ActiveRecord
- ActiveRecord is the base class for classes representing relational data in terms of objects.
- AfterSaveEvent
- AfterSaveEvent represents the information available in [[ActiveRecord::EVENT_AFTER_INSERT]] and [[ActiveRecord::EVENT_AFTER_UPDATE]].
- ArrayExpression
- Class ArrayExpression represents an array SQL expression.
- BaseActiveRecord
- ActiveRecord is the base class for classes representing relational data in terms of objects.
- BatchQueryResult
- BatchQueryResult represents a batch query from which you can retrieve data in batches.
- CheckConstraint
- CheckConstraint represents the metadata of a table `CHECK` constraint.
- ColumnSchema
- ColumnSchema class describes the metadata of a column in a database table.
- ColumnSchemaBuilder
- ColumnSchemaBuilder helps to define database schema types using a PHP interface.
- Command
- Command represents a SQL statement to be executed against a database.
- Connection
- Connection represents a connection to a database via [PDO](https://www.php.net/manual/en/book.pdo.php).
- Constraint
- Constraint represents the metadata of a table constraint.
- DataReader
- DataReader represents a forward-only stream of rows from a query result set.
- DefaultValueConstraint
- DefaultValueConstraint represents the metadata of a table `DEFAULT` constraint.
- Exception
- Exception represents an exception that is caused by some DB-related operations.
- Expression
- Expression represents a DB expression that does not need escaping or quoting.
- ExpressionBuilder
- Class ExpressionBuilder builds objects of [[yii\db\Expression]] class.
- ForeignKeyConstraint
- ForeignKeyConstraint represents the metadata of a table `FOREIGN KEY` constraint.
- IndexConstraint
- IndexConstraint represents the metadata of a table `INDEX` constraint.
- IntegrityException
- Exception represents an exception that is caused by violation of DB constraints.
- JsonExpression
- Class JsonExpression represents data that should be encoded to JSON.
- Migration
- Migration is the base class for representing a database migration.
- PdoValue
- Class PdoValue represents a $value that should be bound to PDO with exact $type.
- PdoValueBuilder
- Class PdoValueBuilder builds object of the [[PdoValue]] expression class.
- Query
- Query represents a SELECT SQL statement in a way that is independent of DBMS.
- QueryBuilder
- QueryBuilder builds a SELECT SQL statement based on the specification given as a [[Query]] object.
- QueryExpressionBuilder
- Class QueryExpressionBuilder is used internally to build [[Query]] object using unified [[QueryBuilder]] expression building interface.
- Schema
- Schema is the base class for concrete DBMS-specific schema classes.
- SqlToken
- SqlToken represents SQL tokens produced by [[SqlTokenizer]] or its child classes.
- SqlTokenizer
- SqlTokenizer splits an SQL query into individual SQL tokens.
- StaleObjectException
- Exception represents an exception that is caused by some DB-related operations.
- TableSchema
- TableSchema represents the metadata of a database table.
- Transaction
- Transaction represents a DB transaction.
Traits
- ActiveQueryTrait
- ActiveQueryTrait implements the common methods and properties for active record query classes.
- ActiveRelationTrait
- ActiveRelationTrait implements the common methods and properties for active record relational queries.
- ConstraintFinderTrait
- ConstraintFinderTrait provides methods for getting a table constraint information.
- ExpressionBuilderTrait
- Trait ExpressionBuilderTrait provides common constructor for classes that should implement [[ExpressionBuilderInterface]]
- QueryTrait
- The BaseQuery trait represents the minimum method set of a database Query.
- SchemaBuilderTrait
- SchemaBuilderTrait contains shortcut methods to create instances of [[ColumnSchemaBuilder]].
- ViewFinderTrait
- ViewFinderTrait implements the method getViewNames for finding views in a database.