Fix queries on JSON fields #4032

Job	Run time
Run examples in 'session-example' on MySQL	1m 53s
Test with MariaDB	3m 27s
Run examples in 'session-example' on PostgreSQL	1m 55s
Test with MySQL	3m 53s
Run examples in 'native-sql-example' on PostgreSQL	1m 47s
Test with PostgreSQL	3m 10s
Test with MSSQLServer	3m 38s
Test with Java 11	3m 7s
Test with CockroachDB	5m 9s
Test with Java 17	3m 19s
Test with Db2	5m 15s
Test with Java 20	3m 15s
Test with Oracle	4m 53s
Test with Java 21	3m 9s
Test with Java 23	3m 20s
Test with Java 24-ea	3m 17s
	54m 27s

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