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When an error occurs while rewriting the parser tree for window functions

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in the sqlite3WindowRewrite() routine, make sure that pParse->nErr is set,
and make sure that this shuts down any subsequent code generation that might
depend on the transformations that were implemented.  This fixes a problem
discovered by the Yongheng and Rui fuzzer.

FossilOrigin-Name: e2bddcd4c55ba3cbe0130332679ff4b048630d0ced9a8899982edb5a3569ba7f
This commit is contained in:
drh
2019-12-19 20:37:32 +00:00
parent 34ab941e5b
commit 8654186b02
5 changed files with 17 additions and 11 deletions
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src/expr.c
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@@ -376,6 +376,7 @@ static int codeCompare(
int addr;
CollSeq *p4;
if( pParse->nErr ) return 0;
if( isCommuted ){
p4 = sqlite3BinaryCompareCollSeq(pParse, pRight, pLeft);
}else{