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Fix a number of places that produced XX000 errors in the regression tests.

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It's against project policy to use elog() for user-facing errors, or to
omit an errcode() selection for errors that aren't supposed to be "can't
happen" cases.  Fix all the violations of this policy that result in
ERRCODE_INTERNAL_ERROR log entries during the standard regression tests,
as errors that can reliably be triggered from SQL surely should be
considered user-facing.

I also looked through all the files touched by this commit and fixed
other nearby problems of the same ilk.  I do not claim to have fixed
all violations of the policy, just the ones in these files.

In a few places I also changed existing ERRCODE choices that didn't
seem particularly appropriate; mainly replacing ERRCODE_SYNTAX_ERROR
by something more specific.

Back-patch to 9.5, but no further; changing ERRCODE assignments in
stable branches doesn't seem like a good idea.
This commit is contained in:
Tom Lane
2015-08-02 23:49:19 -04:00
parent 690ed2b76a
commit 09cecdf285
13 changed files with 181 additions and 93 deletions
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6
src/backend/executor/execQual.c
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@ -631,7 +631,8 @@ ExecEvalScalarVar(ExprState *exprstate, ExprContext *econtext,
{
if (variable->vartype != attr->atttypid)
ereport(ERROR,
(errmsg("attribute %d has wrong type", attnum),
(errcode(ERRCODE_DATATYPE_MISMATCH),
errmsg("attribute %d has wrong type", attnum),
errdetail("Table has type %s, but query expects %s.",
format_type_be(attr->atttypid),
format_type_be(variable->vartype))));
@ -4111,7 +4112,8 @@ ExecEvalFieldSelect(FieldSelectState *fstate,
/* As in ExecEvalScalarVar, we should but can't check typmod */
if (fselect->resulttype != attr->atttypid)
ereport(ERROR,
(errmsg("attribute %d has wrong type", fieldnum),
(errcode(ERRCODE_DATATYPE_MISMATCH),
errmsg("attribute %d has wrong type", fieldnum),
errdetail("Table has type %s, but query expects %s.",
format_type_be(attr->atttypid),
format_type_be(fselect->resulttype))));