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Fix incorrect cleanup of tsquery in ts_rewrite(). Per bug #4933 by

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Aaron Marcuse-Kubitza <aaronmk@blackducksoftware.com>
This commit is contained in:
Teodor Sigaev 2009-07-28 09:31:55 +00:00
parent c1b9ec24ef
commit 1f4b046c18
1 changed files with 3 additions and 3 deletions
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6
src/backend/utils/adt/tsquery_rewrite.c
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@ -7,7 +7,7 @@
* *
* *
* IDENTIFICATION * IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/utils/adt/tsquery_rewrite.c,v 1.15 2009/07/16 06:33:44 petere Exp $ * $PostgreSQL: pgsql/src/backend/utils/adt/tsquery_rewrite.c,v 1.16 2009/07/28 09:31:55 teodor Exp $
* *
*------------------------------------------------------------------------- *-------------------------------------------------------------------------
*/ */
@ -217,12 +217,12 @@ dropvoidsubtree(QTNode *root)
root->nchild = j; root->nchild = j;
if (root->valnode->qoperator.oper == OP_NOT && root->nchild == 0) if (root->nchild == 0)
{ {
QTNFree(root); QTNFree(root);
root = NULL; root = NULL;
} }
else if (root->nchild == 1) else if (root->nchild == 1 && root->valnode->qoperator.oper != OP_NOT)
{ {
QTNode *nroot = root->child[0]; QTNode *nroot = root->child[0];