fix #197

Job	Run time
Run examples in 'session-example' on MySQL	1m 27s
Test with MariaDB	3m 3s
Run examples in 'session-example' on PostgreSQL	1m 27s
Release	0s
Test with MySQL	3m 36s
Run examples in 'native-sql-example' on PostgreSQL	1m 35s
Test with PostgreSQL	2m 50s
Test with MSSQLServer	3m 30s
Release snapshot	0s
Test with CockroachDB	5m 8s
Test with Java 11	2m 57s
Test with Db2	4m 45s
Test with Java 17	2m 52s
Test with Oracle	4m 22s
Test with Java 20	2m 53s
Test with Java 21	2m 50s
Test with Java 22	2m 46s
Test with Java 23-ea	2m 57s
Test with Java 24-ea	3m 4s
	52m 2s

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