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trigger.c

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    • Tom Lane's avatar
      060baf27
      Merge the Constraint and FkConstraint node types into a single type. · 060baf27
      Tom Lane authored
      This was foreseen to be a good idea long ago, but nobody had got round
      to doing it.  The recent patch for deferred unique constraints made
      transformConstraintAttrs() ugly enough that I decided it was time.
      This change will also greatly simplify parsing of deferred CHECK constraints,
      if anyone ever gets around to implementing that.
      
      While at it, add a location field to Constraint, and use that to provide
      an error cursor for some of the constraint-related error messages.
      060baf27
      History
      Merge the Constraint and FkConstraint node types into a single type.
      Tom Lane authored
      This was foreseen to be a good idea long ago, but nobody had got round
      to doing it.  The recent patch for deferred unique constraints made
      transformConstraintAttrs() ugly enough that I decided it was time.
      This change will also greatly simplify parsing of deferred CHECK constraints,
      if anyone ever gets around to implementing that.
      
      While at it, add a location field to Constraint, and use that to provide
      an error cursor for some of the constraint-related error messages.