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Remove assert() statements based on the counter-factual proposition that 0 is not a valid cursor number.

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FossilOrigin-Name: c7b336181aac6785a515f275c0f50ad4bf2dee20abde959b56d968a7fdce3e5b
This commit is contained in:
dan
2019-03-21 13:51:09 +00:00
parent 78694ea307
commit c7694a6d1d
4 changed files with 17 additions and 10 deletions
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src/window.c
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@@ -1262,14 +1262,12 @@ void sqlite3WindowCodeInit(Parse *pParse, Window *pMWin){
else if( p->zName==nth_valueName || p->zName==first_valueName ){
/* Allocate two registers at pWin->regApp. These will be used to
** store the start and end index of the current frame. */
assert( pMWin->iEphCsr );
pWin->regApp = pParse->nMem+1;
pWin->csrApp = pParse->nTab++;
pParse->nMem += 2;
sqlite3VdbeAddOp2(v, OP_OpenDup, pWin->csrApp, pMWin->iEphCsr);
}
else if( p->zName==leadName || p->zName==lagName ){
assert( pMWin->iEphCsr );
pWin->csrApp = pParse->nTab++;
sqlite3VdbeAddOp2(v, OP_OpenDup, pWin->csrApp, pMWin->iEphCsr);
}