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Tom Lane authored
a lot closer than it was before). To do this, tweak coerce_type() to pass through the typmod information when invoking interval_in() on an UNKNOWN constant; then fix DecodeInterval to pay attention to the typmod when deciding how to interpret a units-less integer value. I changed one or two other details as well. I believe the code now reacts as expected by spec for all the literal syntaxes that are specifically enumerated in the spec. There are corner cases involving strings that don't exactly match the set of fields called out by the typmod, for which we might want to tweak the behavior some more; but I think this is an area of user friendliness rather than spec compliance. There remain some non-compliant details about the SQL syntax (as opposed to what's inside the literal string); but at least we'll throw error rather than silently doing the wrong thing in those cases.
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