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parse_expr.c

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    • Tom Lane's avatar
      f223bb7a
      Improved version of patch to protect pg_get_expr() against misuse: · f223bb7a
      Tom Lane authored 
      look through join alias Vars to avoid breaking join queries, and
move the test to someplace where it will catch more possible ways
of calling a function.  We still ought to throw away the whole thing
in favor of a data-type-based solution, but that's not feasible in
the back branches.

This needs to be back-patched further than 9.0, but I don't have time
to do so today.  Committing now so that the fix gets into 9.0beta4.
      f223bb7a
      History
      Improved version of patch to protect pg_get_expr() against misuse:
      Tom Lane authored 
      look through join alias Vars to avoid breaking join queries, and
move the test to someplace where it will catch more possible ways
of calling a function.  We still ought to throw away the whole thing
in favor of a data-type-based solution, but that's not feasible in
the back branches.

This needs to be back-patched further than 9.0, but I don't have time
to do so today.  Committing now so that the fix gets into 9.0beta4.