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Improved bytecode comments for the ANALYZE command.

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FossilOrigin-Name: c38ea4139d87535b789f43eb1e38b2dc4b8312352a721035283e67cf0f3d5067
This commit is contained in:
drh
2020-03-17 13:07:04 +00:00
parent 9d8c287309
commit dc4a1687b8
3 changed files with 10 additions and 8 deletions
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4
src/analyze.c
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@@ -1148,6 +1148,7 @@ static void analyzeOneTable(
char *pColl = (char*)sqlite3LocateCollSeq(pParse, pIdx->azColl[i]);
sqlite3VdbeAddOp2(v, OP_Integer, i, regChng);
sqlite3VdbeAddOp3(v, OP_Column, iIdxCur, i, regTemp);
VdbeComment((v, "%s.column(%d)", pIdx->zName, i));
aGotoChng[i] =
sqlite3VdbeAddOp4(v, OP_Ne, regTemp, 0, regPrev+i, pColl, P4_COLLSEQ);
sqlite3VdbeChangeP5(v, SQLITE_NULLEQ);
@@ -1168,6 +1169,7 @@ static void analyzeOneTable(
for(i=0; i<nColTest; i++){
sqlite3VdbeJumpHere(v, aGotoChng[i]);
sqlite3VdbeAddOp3(v, OP_Column, iIdxCur, i, regPrev+i);
VdbeComment((v, "%s.column(%d)", pIdx->zName, i));
}
sqlite3VdbeResolveLabel(v, endDistinctTest);
sqlite3DbFree(db, aGotoChng);
@@ -1193,7 +1195,7 @@ static void analyzeOneTable(
k = sqlite3TableColumnToIndex(pIdx, pPk->aiColumn[j]);
assert( k>=0 && k<pIdx->nColumn );
sqlite3VdbeAddOp3(v, OP_Column, iIdxCur, k, regKey+j);
VdbeComment((v, "%s", pTab->aCol[pPk->aiColumn[j]].zName));
VdbeComment((v, "%s.column(%d)", pIdx->zName, i));
}
sqlite3VdbeAddOp3(v, OP_MakeRecord, regKey, pPk->nKeyCol, regRowid);
sqlite3ReleaseTempRange(pParse, regKey, pPk->nKeyCol);