3.00.0.1

New Features

  • Added support for methods on catalog operations such as supportsSchema and supportsCatalog.

  • Added methods setFetchDirection and getFetchDirection for setting and getting the direction of fetching rows of ResultSet. Note that DolphinDB JDBC only supports ResultSet.FETCH_FORWARD.

Improvements

  • Optimized the return value of getIdentifierQuoteString.

  • Added support for querying fields containing special character $.

  • Added support for calling data type conversion methods with brackets within the insert into statement.

  • Added support for "NULL" or " " in the insert into statement when writing data to a DFS table.

  • Methods executeQuery and executeUpdate of JDBCPreparedStatement class support statements without placeholders.

  • Added support for calling loadTable in the update statement on DFS tables with class JDBCPreparedStatement or JDBCStatement.

  • Optimized the logic of method clearParameter of the JDBCPreparedStatement class.

Issues Fixed

  • Fixed an issue where connection was established in unauthenticated mode if the JDBC URL only specified user or password. An error is now reported.