1.30.22
1.30.22.5
New Features
- Added the following new methods to the
JDBCDataBaseMetaData
class:-
setCatalog
to set the database catalog name to select a subspace of theConnection
object's database in which to work. -
getCatalogs
to get the database catalogs. -
getTables
to get information of specific tables. -
getColumns
to get information of specific columns.
-
- Added
getBigDecimal
method to theJDBCResult
class to retrieve the value of specified column as BigDecimal type. It can be called in two ways:BigDecimal getBigDecimal(int columnIndex) throws SQLException; BigDecimal getBigDecimal(String columnLabel) throws SQLException;
-
The
insert into
clause ofJDBCPrepareStatement
class now supports inserting data to specific columns, and null values are written to the rest columns.
-
Added method
setMaxRows
to theJDBCStatement
class to set the upper limit for the number of records that aResultSet
object can contain. -
Added method
getMaxRows
to theJDBCStatement
class to get the specified upper limit for the number of records applied to theResultSet
object.
-
The
insert into
clause ofJDBCPrepareStatement
class now writes data in batches instead of by record. - The
commit()
androllback()
methods ofJDBCConnection
class do not support transactions at user level and return null by default.
1.30.22.4
New Features
Added support for returning data of primitive Java types.
Improvements
- Reduced the JAR file size for DolphinDB JDBC dependencies.
- Added support for JDBC driver 4.0 version. Users no longer need to specify
Class.forName("com.dolphindb.jdbc.Driver")
when establishing connections.
1.30.22.2
New Features
-
Added configuration parameter tableAlias to access tables via aliases.
-
The configuration parameter highAvailablitySites now supports input values separated by comma (",") delimiters.
1.30.22.1
New Features
-
Added support for DECIMAL128 data type.
-
Added connection property sqlStd for SQL parsing.