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Do not skip over TK_IF_NULL_ROW operators when bypassing TK_COLLATE operators.

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Fix to check-in [ac31edd3eeafcef4] which was itself a fix for ticket
[45f4bf4eb4ffd788].

FossilOrigin-Name: 871f2ddcfbb9196dbd851a350e3471ee6d242d86bbd755201f7e2406fce3ac55
This commit is contained in:
drh
2020-08-19 23:32:06 +00:00
parent 1d42e619ac
commit 46fe138d98
6 changed files with 32 additions and 17 deletions
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2
src/select.c
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@@ -3506,7 +3506,7 @@ static Expr *substExpr(
ifNullRow.op = TK_IF_NULL_ROW;
ifNullRow.pLeft = pCopy;
ifNullRow.iTable = pSubst->iNewTable;
ifNullRow.flags = EP_Skip;
ifNullRow.flags = EP_IfNullRow;
pCopy = &ifNullRow;
}
testcase( ExprHasProperty(pCopy, EP_Subquery) );