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Fix outfuncs.c to dump A_Const nodes representing NULLs correctly. This has

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been broken since forever, but was not noticed because people seldom look
at raw parse trees.  AFAIK, no impact on users except that debug_print_parse
might fail; but patch it all the way back anyway.  Per report from Jeff Ross.
This commit is contained in:
Tom Lane 2007-07-17 01:21:43 +00:00
parent 74fbe9ccd1
commit 804f016fb5
1 changed files with 5 additions and 1 deletions
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6
src/backend/nodes/outfuncs.c
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@ -8,7 +8,7 @@
* *
* *
* IDENTIFICATION * IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/nodes/outfuncs.c,v 1.311 2007/06/11 22:22:40 tgl Exp $ * $PostgreSQL: pgsql/src/backend/nodes/outfuncs.c,v 1.312 2007/07/17 01:21:43 tgl Exp $
* *
* NOTES * NOTES
* Every node type that can appear in stored rules' parsetrees *must* * Every node type that can appear in stored rules' parsetrees *must*
@ -1900,6 +1900,10 @@ _outValue(StringInfo str, Value *value)
/* internal representation already has leading 'b' */ /* internal representation already has leading 'b' */
appendStringInfoString(str, value->val.str); appendStringInfoString(str, value->val.str);
break; break;
case T_Null:
/* this is seen only within A_Const, not in transformed trees */
appendStringInfoString(str, "NULL");
break;
default: default:
elog(ERROR, "unrecognized node type: %d", (int) value->type); elog(ERROR, "unrecognized node type: %d", (int) value->type);
break; break;