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path: root/src/backend/executor/nodeIndexscan.c
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Diffstat (limited to 'src/backend/executor/nodeIndexscan.c')
-rw-r--r--src/backend/executor/nodeIndexscan.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/src/backend/executor/nodeIndexscan.c b/src/backend/executor/nodeIndexscan.c
index 01c9de88f4d..d6012192a14 100644
--- a/src/backend/executor/nodeIndexscan.c
+++ b/src/backend/executor/nodeIndexscan.c
@@ -1227,7 +1227,9 @@ ExecIndexBuildScanKeys(PlanState *planstate, Relation index,
Expr *leftop; /* expr on lhs of operator */
Expr *rightop; /* expr on rhs ... */
AttrNumber varattno; /* att number used in scan */
+ int indnkeyatts;
+ indnkeyatts = IndexRelationGetNumberOfKeyAttributes(index);
if (IsA(clause, OpExpr))
{
/* indexkey op const or indexkey op expression */
@@ -1252,7 +1254,7 @@ ExecIndexBuildScanKeys(PlanState *planstate, Relation index,
elog(ERROR, "indexqual doesn't have key on left side");
varattno = ((Var *) leftop)->varattno;
- if (varattno < 1 || varattno > index->rd_index->indnatts)
+ if (varattno < 1 || varattno > indnkeyatts)
elog(ERROR, "bogus index qualification");
/*
@@ -1375,7 +1377,7 @@ ExecIndexBuildScanKeys(PlanState *planstate, Relation index,
opnos_cell = lnext(opnos_cell);
if (index->rd_rel->relam != BTREE_AM_OID ||
- varattno < 1 || varattno > index->rd_index->indnatts)
+ varattno < 1 || varattno > indnkeyatts)
elog(ERROR, "bogus RowCompare index qualification");
opfamily = index->rd_opfamily[varattno - 1];
@@ -1499,7 +1501,7 @@ ExecIndexBuildScanKeys(PlanState *planstate, Relation index,
elog(ERROR, "indexqual doesn't have key on left side");
varattno = ((Var *) leftop)->varattno;
- if (varattno < 1 || varattno > index->rd_index->indnatts)
+ if (varattno < 1 || varattno > indnkeyatts)
elog(ERROR, "bogus index qualification");
/*