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Improve parser so that we can show an error cursor position for errors

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during parse analysis, not only errors detected in the flex/bison stages.
This is per my earlier proposal.  This commit includes all the basic
infrastructure, but locations are only tracked and reported for errors
involving column references, function calls, and operators.  More could
be done later but this seems like a good set to start with.  I've also
moved the ReportSyntaxErrorPosition logic out of psql and into libpq,
which should make it available to more people --- even within psql this
is an improvement because warnings weren't handled by ReportSyntaxErrorPosition.
This commit is contained in:
Tom Lane
2006-03-14 22:48:25 +00:00
parent 48fb696753
commit 20ab467d76
80 changed files with 1347 additions and 997 deletions
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13
src/backend/utils/adt/ruleutils.c
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@ -2,7 +2,7 @@
* ruleutils.c - Functions to convert stored expressions/querytrees
* back to source text
*
* $PostgreSQL: pgsql/src/backend/utils/adt/ruleutils.c,v 1.215 2006/03/11 16:43:21 momjian Exp $
* $PostgreSQL: pgsql/src/backend/utils/adt/ruleutils.c,v 1.216 2006/03/14 22:48:22 tgl Exp $
**********************************************************************/
#include "postgres.h"
@ -4479,7 +4479,7 @@ get_from_clause_coldeflist(List *coldeflist, deparse_context *context)
int32 atttypmod;
attname = n->colname;
atttypeid = typenameTypeId(n->typename);
atttypeid = typenameTypeId(NULL, n->typename);
atttypmod = n->typename->typmod;
if (i > 0)
@ -4868,13 +4868,16 @@ generate_operator_name(Oid operid, Oid arg1, Oid arg2)
switch (operform->oprkind)
{
case 'b':
p_result = oper(list_make1(makeString(oprname)), arg1, arg2, true);
p_result = oper(NULL, list_make1(makeString(oprname)), arg1, arg2,
true, -1);
break;
case 'l':
p_result = left_oper(list_make1(makeString(oprname)), arg2, true);
p_result = left_oper(NULL, list_make1(makeString(oprname)), arg2,
true, -1);
break;
case 'r':
p_result = right_oper(list_make1(makeString(oprname)), arg1, true);
p_result = right_oper(NULL, list_make1(makeString(oprname)), arg1,
true, -1);
break;
default:
elog(ERROR, "unrecognized oprkind: %d", operform->oprkind);