[FLINK-22148][table] Planner rules should use RexCall#equsls to check… #15529
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… whether two rexCalls are equivalent
What is the purpose of the change
Fix bug in blink planer rules that RexCall#equals should be used to check whether two rexCalls are equivalent, which is aligned with what Calcite planner does.
Brief change log
Some rules which use
toString
to check equivalence of two rexCalls.Verifying this change
Adding plan tests
Does this pull request potentially affect one of the following parts:
@Public(Evolving)
: noDocumentation