Yii Database package was tagged along with its drivers.
Yii Database 1.2

• Deprecate TableSchemaInterface::compositeForeignKey() and SchemaInterface::TYPE_JSONB
• Enhanced documentation of batchInsert() and update() methods of DMLQueryBuilderInterface interface
• Refactor Quoter
• Move methods from concrete Command class to AbstractPdoCommand class
• Typecast values in AbstractDMLQueryBuilder::batchInsert() if column names with table name and brackets
• Typecast values in AbstractDMLQueryBuilder::batchInsert() if values with string keys
• Fix collected debug actions
• Fix Quoter::quoteTableName() for sub-query with alias
• Quote aliases of CTE in WITH queries
• Fix AbstractDMLQueryBuilder::batchInsert() for values as associative arrays

Yii DB PostgreSQL Driver 1.2

• Fix incorrect convert string value for BIT type
• Fix retrieving sequence name from default value
• Refactor JsonExpressionBuilder, ArrayExpressionBuilder and ColumnSchema
• Refactor related with Yii DB 1.2

Yii DB MySQL Driver 1.1

• Remove QueryBuilder::getColumnType() child method as legacy code
• Refactor insert default values
• Refactor related with Yii DB 1.2

Yii DB SQLite Driver 1.1

• Support json type
• Fix foreign keys: support multiple foreign keys referencing to one table and possible null columns for reference
• Refactor related with Yii DB 1.2

Yii DB MSSQL Server Driver 1.1

• Remove RECURSIVE expression from CTE queries
• Fix type boolean
• Fix DDLQueryBuilder::alterColumn() for columns with default null
• Refactor related with Yii DB 1.2

Yii DB Oracle Driver 1.2

• Improve column type detection
• Remove RECURSIVE expression from CTE queries
• Refactor related with Yii DB 1.2