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Adjustments to VdbeCoverage macros to deal with byte-code branches that

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can never be taken in some directions.

FossilOrigin-Name: b170c0092b1d0c47dd700843f0c870e51181939607a897fbcae55a58042160f9
This commit is contained in:
drh
2018-07-11 03:27:52 +00:00
parent 5d6374fa39
commit 9341916ed5
3 changed files with 13 additions and 13 deletions
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12
src/window.c
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@@ -1149,7 +1149,7 @@ static void windowAggStep(
sqlite3VdbeAddOp2(v, OP_IdxInsert, pWin->csrApp, pWin->regApp+2);
}else{
sqlite3VdbeAddOp4Int(v, OP_SeekGE, pWin->csrApp, 0, regArg, 1);
VdbeCoverage(v);
VdbeCoverageNeverTaken(v);
sqlite3VdbeAddOp1(v, OP_Delete, pWin->csrApp);
sqlite3VdbeJumpHere(v, sqlite3VdbeCurrentAddr(v)-2);
}
@@ -1280,7 +1280,7 @@ static void windowPartitionCache(
addr = sqlite3VdbeAddOp3(v, OP_Compare, regNewPart, pMWin->regPart,nPart);
sqlite3VdbeAppendP4(v, (void*)pKeyInfo, P4_KEYINFO);
sqlite3VdbeAddOp3(v, OP_Jump, addr+2, addr+4, addr+2);
VdbeCoverage(v);
VdbeCoverageEqNe(v);
sqlite3VdbeAddOp3(v, OP_Copy, regNewPart, pMWin->regPart, nPart-1);
sqlite3VdbeAddOp2(v, OP_Gosub, regFlushPart, lblFlushPart);
VdbeComment((v, "call flush_partition"));
@@ -1338,8 +1338,8 @@ static void windowReturnOneRow(
sqlite3VdbeAddOp3(v, OP_Add, tmpReg, pWin->regApp, tmpReg);
sqlite3VdbeAddOp3(v, OP_Gt, pWin->regApp+1, lbl, tmpReg);
VdbeCoverageNeverNull(v);
sqlite3VdbeAddOp3(v, OP_SeekRowid, csr, lbl, tmpReg);
VdbeCoverage(v);
sqlite3VdbeAddOp3(v, OP_SeekRowid, csr, 0, tmpReg);
VdbeCoverageNeverTaken(v);
sqlite3VdbeAddOp3(v, OP_Column, csr, pWin->iArgCol, pWin->regResult);
sqlite3VdbeResolveLabel(v, lbl);
sqlite3ReleaseTempReg(pParse, tmpReg);
@@ -1731,7 +1731,7 @@ static void windowCodeRowExprStep(
sqlite3VdbeAddOp2(v, OP_Goto, 0, lblSkipInverse);
}else{
sqlite3VdbeAddOp2(v, OP_Next, csrStart, sqlite3VdbeCurrentAddr(v)+1);
VdbeCoverage(v);
VdbeCoverageAlwaysTaken(v);
}
windowAggStep(pParse, pMWin, csrStart, 1, regArg, regSize);
sqlite3VdbeResolveLabel(v, lblSkipInverse);
@@ -2053,7 +2053,7 @@ static void windowCodeDefaultStep(
addr = sqlite3VdbeAddOp3(v, OP_Compare, regNewPart, pMWin->regPart,nPart);
sqlite3VdbeAppendP4(v, (void*)pKeyInfo, P4_KEYINFO);
addrJump = sqlite3VdbeAddOp3(v, OP_Jump, addr+2, 0, addr+2);
VdbeCoverage(v);
VdbeCoverageEqNe(v);
windowAggFinal(pParse, pMWin, 1);
if( pOrderBy ){
addrGoto = sqlite3VdbeAddOp0(v, OP_Goto);