Commit3dd1ca0

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Fix poor choice of error message in corner cases.

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Lines changed: 3 additions & 2 deletions

Original file line number	Diff line number	Diff line change
`@@ -8,7 +8,7 @@`
`8`	`8`	`*`
`9`	`9`	`*`
`10`	`10`	`* IDENTIFICATION`
`11`		`- * $PostgreSQL: pgsql/src/backend/parser/parse_func.c,v 1.167 2004/04/0219:06:58 tgl Exp $`
	`11`	`+ * $PostgreSQL: pgsql/src/backend/parser/parse_func.c,v 1.168 2004/04/0221:30:44 tgl Exp $`
`12`	`12`	`*`
`13`	`13`	`*-------------------------------------------------------------------------`
`14`	`14`	`*/`
`@@ -1221,7 +1221,8 @@ unknown_attribute(ParseState pstate, Node relref, char *attname)`
`1221`	`1221`	`{`
`1222`	`1222`	`RangeTblEntry*rte;`
`1223`	`1223`
`1224`		`-if (IsA(relref,Var))`
	`1224`	`+if (IsA(relref,Var)&&`
	`1225`	`+((Var*)relref)->varattno==InvalidAttrNumber)`
`1225`	`1226`	`{`
`1226`	`1227`	`/* Reference the RTE by alias not by actual table name */`
`1227`	`1228`	`rte=GetRTEByRangeTablePosn(pstate,`

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