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Modify the OP_IfNotOpen opcode so that the jump is taken if the cursor is open

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but was previously set to a NULL row using OP_NullRow.

FossilOrigin-Name: 1292d68caa7086610ddda343f3852e63de8da1eb66536ee4716b6529f5a31bc6
This commit is contained in:
drh 2022-09-20 19:22:17 +00:00
parent 5a0771a1f4
commit 8b9a3d1fc8
4 changed files with 16 additions and 12 deletions
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14
manifest
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@ -1,5 +1,5 @@
C Remove\scode\sthat\shas\sbeen\spreviously\scommented\sout.
D 2022-09-20T18:18:00.607
C Modify\sthe\sOP_IfNotOpen\sopcode\sso\sthat\sthe\sjump\sis\staken\sif\sthe\scursor\sis\sopen\nbut\swas\spreviously\sset\sto\sa\sNULL\srow\susing\sOP_NullRow.
D 2022-09-20T19:22:17.805
F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@ -539,7 +539,7 @@ F src/date.c 94ce83b4cd848a387680a5f920c9018c16655db778c4d36525af0a0f34679ac5
F src/dbpage.c 5808e91bc27fa3981b028000f8fadfdc10ce9e59a34ce7dc4e035a69be3906ec
F src/dbstat.c 861e08690fcb0f2ee1165eff0060ea8d4f3e2ea10f80dab7d32ad70443a6ff2d
F src/delete.c 86573edae75e3d3e9a8b590d87db8e47222103029df4f3e11fa56044459b514e
F src/expr.c a6692ca00680c8ac4ec6cf637e04df1ca331e1a68e311b425eea61f0c8477019
F src/expr.c 1cbdd76eeedb729ea9060df03e3e6b74a302784a13bfa38794a8194f894641ea
F src/fault.c 460f3e55994363812d9d60844b2a6de88826e007
F src/fkey.c 722f20779f5342a787922deded3628d8c74b5249cab04098cf17ee2f2aaff002
F src/func.c 8f72e88cccdee22185133c10f96ccd61dc34c5ea4b1fa9a73c237ef59b2e64f1
@ -660,7 +660,7 @@ F src/upsert.c 8789047a8f0a601ea42fa0256d1ba3190c13746b6ba940fe2d25643a7e991937
F src/utf.c ee39565f0843775cc2c81135751ddd93eceb91a673ea2c57f61c76f288b041a0
F src/util.c 0be191521ff6d2805995f4910f0b6231b42843678b2efdc1abecaf39929a673f
F src/vacuum.c bb346170b0b54c6683bba4a5983aea40485597fdf605c87ec8bc2e199fe88cd8
F src/vdbe.c d27ec9a57f752fc2acf6a64d43bbf6072d2415efc976184f6d8a146e65819d3b
F src/vdbe.c 0d1e3c658d98a7bb7201532ea7a3e4d59bf9165421c780d5f84c361e372f1179
F src/vdbe.h 64619af62603dc3c4f5ff6ff6d2c8f389abd667a29ce6007ed44bd22b3211cd0
F src/vdbeInt.h 17b7461ffcf9ee760d1341731715a419f6b8c763089a7ece25c2e8098d702b3f
F src/vdbeapi.c fc3183daf72808b4311b228989120fdbc2dc44972fb0d77d5c453460cc0e5b2c
@ -2000,8 +2000,8 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
P 930a8c1561d0d5dc70dc5378edac77f79ac59ab6569b561de3dfb02f160c38c5
R dcb98f6a73c54efed4da4f980f298d5b
P 852b385a5de622aa32026824210d4bd23db52a4a8a697b83d22d6000edeba487
R 58d9f89a36d9e4cf587663a233307943
U drh
Z 1cd83b2593765cf9bcd77e53d7a14363
Z 7e40ae1a3e52a669a3942bf4dda137ff
# Remove this line to create a well-formed Fossil manifest.

2
manifest.uuid
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@ -1 +1 @@
852b385a5de622aa32026824210d4bd23db52a4a8a697b83d22d6000edeba487
1292d68caa7086610ddda343f3852e63de8da1eb66536ee4716b6529f5a31bc6

2
src/expr.c
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@ -3223,7 +3223,7 @@ void sqlite3CodeRhsOfIN(
sqlite3VdbeChangeP4(v, addr, (void *)pKeyInfo, P4_KEYINFO);
}
if( addrOnce ){
sqlite3VdbeAddOp2(v, OP_Rewind, iTab, sqlite3VdbeCurrentAddr(v)+1);
sqlite3VdbeAddOp1(v, OP_NullRow, iTab);
sqlite3VdbeJumpHere(v, addrOnce);
/* Subroutine return */
assert( ExprUseYSub(pExpr) );

10
src/vdbe.c
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@ -4897,12 +4897,16 @@ case OP_SeekHit: {
/* Opcode: IfNotOpen P1 P2 * * *
** Synopsis: if( !csr[P1] ) goto P2
**
** If cursor P1 is not open, jump to instruction P2. Otherwise, fall through.
** If cursor P1 is not open or if P1 is set to a NULL row using the
** OP_NullRow opcode, then jump to instruction P2. Otherwise, fall through.
*/
case OP_IfNotOpen: { /* jump */
VdbeCursor *pCur;
assert( pOp->p1>=0 && pOp->p1<p->nCursor );
VdbeBranchTaken(p->apCsr[pOp->p1]==0, 2);
if( !p->apCsr[pOp->p1] ){
pCur = p->apCsr[pOp->p1];
VdbeBranchTaken(pCur==0 || pCur->nullRow, 2);
if( pCur==0 || pCur->nullRow ){
goto jump_to_p2_and_check_for_interrupt;
}
break;