acemeicn <acemeijp@xxxxxxxxxxx> writes:
> I tried excuting the long sql on the console and a DB tool
> called CSE(Common SQL Environment), it worked.
> but in a java program using JDBC connection it doesn't
> work.
Possibly the folks on pgsql-jdbc could help you with that.
regards, tom lane
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TIP 9: In versions below 8.0, the planner will ignore your desire to
choose an index scan if your joining column's datatypes do not
match
