diff options
Diffstat (limited to 'src/backend/executor/nodeIndexscan.c')
| -rw-r--r-- | src/backend/executor/nodeIndexscan.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/src/backend/executor/nodeIndexscan.c b/src/backend/executor/nodeIndexscan.c index cdc15c7e0c9..e4ebd01055e 100644 --- a/src/backend/executor/nodeIndexscan.c +++ b/src/backend/executor/nodeIndexscan.c @@ -7,7 +7,7 @@ * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/executor/nodeIndexscan.c,v 1.24 1998/08/19 02:02:02 momjian Exp $ + * $Header: /cvsroot/pgsql/src/backend/executor/nodeIndexscan.c,v 1.25 1998/08/19 15:47:36 momjian Exp $ * *------------------------------------------------------------------------- */ @@ -129,7 +129,7 @@ IndexNext(IndexScan *node) { bool prev_matches = false; int prev_index; - + /* ---------------- * store the scanned tuple in the scan tuple slot of * the scan state. Eventually we will only do this and not @@ -142,10 +142,17 @@ IndexNext(IndexScan *node) slot, /* slot to store in */ buffer, /* buffer associated with tuple */ false); /* don't pfree */ - + + /* + * We must check to see if the current tuple would have been + * matched by an earlier index, so we don't double report it. + * We do this by passing the tuple through ExecQual and look + * for failure with all previous qualifications. + */ for (prev_index = 0; prev_index < indexstate->iss_IndexPtr; prev_index++) { + scanstate->cstate.cs_ExprContext->ecxt_scantuple = slot; if (ExecQual(nth(prev_index, node->indxqual), scanstate->cstate.cs_ExprContext)) { |