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Comment:In the event of a semantic error in an aggregate query, early-out the resetAccumulator() function to prevent problems due to incomplete or incorrect initialization of the AggInfo object. Fix for ticket [af4556bb5c285c08].
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SHA3-256: 4a302b42c7bf5e11ddb5522ca999f74aba397d3a7eb91b1844bb02852f772441
User & Date: drh 2020-04-03 13:19:03
Context
2020-04-03
16:11
Add a test case to fuzzdata8.db for the recent Henry Liu bugs. (check-in: 42b02454 user: drh tags: trunk)
15:48
Merge updates from trunk. (check-in: 348c4013 user: drh tags: bytecode-function)
13:39
Do not suppress errors when resolving references in an ORDER BY clause belonging to a compound SELECT within a view or trigger within ALTER TABLE. Fix for ticket [a10a14e9b4ba2]. Also, in the event of a semantic error in an aggregate query, early-out the resetAccumulator() function to prevent problems due to incomplete or incorrect initialization of the AggInfo object. Fix for ticket [af4556bb5c285c08]. (check-in: b6467491 user: drh tags: branch-3.31)
13:19
In the event of a semantic error in an aggregate query, early-out the resetAccumulator() function to prevent problems due to incomplete or incorrect initialization of the AggInfo object. Fix for ticket [af4556bb5c285c08]. (check-in: 4a302b42 user: drh tags: trunk)
11:52
Do not suppress errors when resolving references in an ORDER BY clause belonging to a compound SELECT within a view or trigger within ALTER TABLE. Fix for ticket [a10a14e9b4ba2]. (check-in: 68429388 user: dan tags: trunk)
Changes
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Changes to src/select.c.

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*/
static void resetAccumulator(Parse *pParse, AggInfo *pAggInfo){
  Vdbe *v = pParse->pVdbe;
  int i;
  struct AggInfo_func *pFunc;
  int nReg = pAggInfo->nFunc + pAggInfo->nColumn;
  if( nReg==0 ) return;

#ifdef SQLITE_DEBUG
  /* Verify that all AggInfo registers are within the range specified by
  ** AggInfo.mnReg..AggInfo.mxReg */
  assert( nReg==pAggInfo->mxReg-pAggInfo->mnReg+1 );
  for(i=0; i<pAggInfo->nColumn; i++){
    assert( pAggInfo->aCol[i].iMem>=pAggInfo->mnReg
         && pAggInfo->aCol[i].iMem<=pAggInfo->mxReg );








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*/
static void resetAccumulator(Parse *pParse, AggInfo *pAggInfo){
  Vdbe *v = pParse->pVdbe;
  int i;
  struct AggInfo_func *pFunc;
  int nReg = pAggInfo->nFunc + pAggInfo->nColumn;
  if( nReg==0 ) return;
  if( pParse->nErr ) return;
#ifdef SQLITE_DEBUG
  /* Verify that all AggInfo registers are within the range specified by
  ** AggInfo.mnReg..AggInfo.mxReg */
  assert( nReg==pAggInfo->mxReg-pAggInfo->mnReg+1 );
  for(i=0; i<pAggInfo->nColumn; i++){
    assert( pAggInfo->aCol[i].iMem>=pAggInfo->mnReg
         && pAggInfo->aCol[i].iMem<=pAggInfo->mxReg );
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Changes to test/window1.test.

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  WHERE a=1 OR ((SELECT sum(a) OVER(ORDER BY a%8)) AND 10<=a)
} {10.0}

do_execsql_test 50.5 {
SELECT * FROM (SELECT * FROM t1 NATURAL JOIN t1 WHERE a%1 OR ((SELECT sum(a)OVER(ORDER BY a)) AND a<=10)) NATURAL JOIN t1 WHERE a=1 OR ((SELECT sum((SELECT * FROM (SELECT * FROM (SELECT * FROM t1 NATURAL JOIN t1 WHERE a%1 OR ((SELECT sum(a)OVER(ORDER BY a)) AND a<=10)) NATURAL JOIN t1 WHERE a=1 OR ((SELECT sum((SELECT * FROM t1 NATURAL JOIN t1 WHERE a=1 OR ((SELECT sum(a)OVER(ORDER BY a)) AND a<=10)))OVER(ORDER BY a% 1 )) AND a<=10)) NATURAL JOIN t1 WHERE a=1 OR ((SELECT sum(a)OVER(ORDER BY a)) AND 10<=a)))OVER(ORDER BY a%5)) AND a<=10);
} {10.0}

finish_test


















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  WHERE a=1 OR ((SELECT sum(a) OVER(ORDER BY a%8)) AND 10<=a)
} {10.0}

do_execsql_test 50.5 {
SELECT * FROM (SELECT * FROM t1 NATURAL JOIN t1 WHERE a%1 OR ((SELECT sum(a)OVER(ORDER BY a)) AND a<=10)) NATURAL JOIN t1 WHERE a=1 OR ((SELECT sum((SELECT * FROM (SELECT * FROM (SELECT * FROM t1 NATURAL JOIN t1 WHERE a%1 OR ((SELECT sum(a)OVER(ORDER BY a)) AND a<=10)) NATURAL JOIN t1 WHERE a=1 OR ((SELECT sum((SELECT * FROM t1 NATURAL JOIN t1 WHERE a=1 OR ((SELECT sum(a)OVER(ORDER BY a)) AND a<=10)))OVER(ORDER BY a% 1 )) AND a<=10)) NATURAL JOIN t1 WHERE a=1 OR ((SELECT sum(a)OVER(ORDER BY a)) AND 10<=a)))OVER(ORDER BY a%5)) AND a<=10);
} {10.0}

# 2020-04-03 ticket af4556bb5c285c08
#
reset_db
do_catchsql_test 51.1 {
  CREATE TABLE a(b, c);
  SELECT c FROM a GROUP BY c
    HAVING(SELECT(sum(b) OVER(ORDER BY b),
                  sum(b) OVER(PARTITION BY min(DISTINCT c), c ORDER BY b)));
} {1 {row value misused}}

finish_test