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Allow the RHS of a row-value IN operator to use a compound query with

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an ORDER BY clause.

FossilOrigin-Name: eaf15d9bae6773058341d6219241f44ce728ad1cb9cf649f2efd4dddd81ec461
This commit is contained in:
drh
2019-08-09 20:26:01 +00:00
parent 044388cf98
commit cb99c57a66
4 changed files with 28 additions and 12 deletions
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9
src/select.c
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@@ -2967,11 +2967,14 @@ static int generateOutputSubroutine(
/* If this is a scalar select that is part of an expression, then
** store the results in the appropriate memory cell and break out
** of the scan loop.
** of the scan loop. Note that the select might return multiple columns
** if it is the RHS of a row-value IN operator.
*/
case SRT_Mem: {
assert( pIn->nSdst==1 || pParse->nErr>0 ); testcase( pIn->nSdst!=1 );
sqlite3ExprCodeMove(pParse, pIn->iSdst, pDest->iSDParm, 1);
if( pParse->nErr==0 ){
testcase( pIn->nSdst>1 );
sqlite3ExprCodeMove(pParse, pIn->iSdst, pDest->iSDParm, pIn->nSdst);
}
/* The LIMIT clause will jump out of the loop for us */
break;
}