Tom Lane b0422b215c Preliminary code review for domain CHECK constraints patch: add documentation, ...

make VALUE a non-reserved word again, use less invasive method of passing
ConstraintTestValue into transformExpr, fix problems with nested constraint
testing, do correct thing with NULL result from a constraint expression,
remove memory leak.  Domain checks still need much more work if we are going
to allow ALTER DOMAIN, however.

2002-12-12 20:35:16 +00:00

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