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Fix a assert() in the query planner that can arise when doing row-value

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operations on a PRIMARY KEY that contains duplicate columns.
Ticket [1a84668dcfdebaf12415d].

FossilOrigin-Name: dcb8c73594ea6b12bad98dc883a585d3e6b925c2ead267dc40332b3d266db5e8
This commit is contained in:
drh
2018-11-03 13:11:24 +00:00
parent 147ad061f6
commit c6e519f335
4 changed files with 20 additions and 9 deletions
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src/wherecode.c
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@@ -425,7 +425,7 @@ static Expr *removeUnindexableInClauseTerms(
for(i=iEq; i<pLoop->nLTerm; i++){
if( pLoop->aLTerm[i]->pExpr==pX ){
int iField = pLoop->aLTerm[i]->iField - 1;
assert( pOrigRhs->a[iField].pExpr!=0 );
if( pOrigRhs->a[iField].pExpr==0 ) continue; /* Duplicate PK column */
pRhs = sqlite3ExprListAppend(pParse, pRhs, pOrigRhs->a[iField].pExpr);
pOrigRhs->a[iField].pExpr = 0;
assert( pOrigLhs->a[iField].pExpr!=0 );