jdbc: database metadata: exception when trying to get primary keys for a table

[ztarvos]

The API DatabaseMetaData.getColumns() throws an unexpected exception.

Exception in thread "main" java.lang.ClassCastException: java.util.HashMap cannot be cast to java.util.List at org.tarantool.jdbc.SQLDatabaseMetadata.getPrimaryKeys(SQLDatabaseMetadata.java:779) at TestJdbcPK.main(TestJdbcPK.java:14)

[Totktonada]

Fixed in 06b7ffb.