Fix parsing of negative integer constants #249
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Currently the value of negative constants are omitted. Only omit *0* constants. An earlier attempt (pganalyze#244) caused a mismatch with the protobuf json output, since that wants to omit values that are equal to the default value. I don't *really* think that is particularly sensible behavior for an integer constant in an AST, but oh well. Fixes pganalyze#243.
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Currently the value of negative constants are omitted. Only omit 0 constants.
An earlier attempt (#244) caused a mismatch with the protobuf json output, since that wants to omit values that are equal to the default value.
I don't really think that is particularly sensible behavior for an integer constant in an AST, but oh well.
Fixes #243.