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path: root/src/backend/utils/adt/tsquery_util.c
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Diffstat (limited to 'src/backend/utils/adt/tsquery_util.c')
-rw-r--r--src/backend/utils/adt/tsquery_util.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/src/backend/utils/adt/tsquery_util.c b/src/backend/utils/adt/tsquery_util.c
index fe26ad52dd2..0f338aa653d 100644
--- a/src/backend/utils/adt/tsquery_util.c
+++ b/src/backend/utils/adt/tsquery_util.c
@@ -110,6 +110,10 @@ QTNodeCompare(QTNode *an, QTNode *bn)
if ((res = QTNodeCompare(an->child[i], bn->child[i])) != 0)
return res;
}
+
+ if (ao->oper == OP_PHRASE && ao->distance != bo->distance)
+ return (ao->distance > bo->distance) ? -1 : 1;
+
return 0;
}
else if (an->valnode->type == QI_VAL)
@@ -150,7 +154,7 @@ QTNSort(QTNode *in)
for (i = 0; i < in->nchild; i++)
QTNSort(in->child[i]);
- if (in->nchild > 1)
+ if (in->nchild > 1 && in->valnode->qoperator.oper != OP_PHRASE)
qsort((void *) in->child, in->nchild, sizeof(QTNode *), cmpQTN);
}
@@ -190,7 +194,10 @@ QTNTernary(QTNode *in)
{
QTNode *cc = in->child[i];
- if (cc->valnode->type == QI_OPR && in->valnode->qoperator.oper == cc->valnode->qoperator.oper)
+ /* OP_Phrase isn't associative */
+ if (cc->valnode->type == QI_OPR &&
+ in->valnode->qoperator.oper == cc->valnode->qoperator.oper &&
+ in->valnode->qoperator.oper != OP_PHRASE)
{
int oldnchild = in->nchild;