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Improved byte-code comments for the short-circuit optimization of

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[0083d5169a46104a], to aid in debugging.

FossilOrigin-Name: 113f9d10e347eeaa893ff8b47a461009e0b12589374b93cf3e0bddd19c702dea
This commit is contained in:
drh
2025-07-01 20:32:45 +00:00
parent 5e71497404
commit 46bfcc1a21
3 changed files with 14 additions and 9 deletions
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12
manifest
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@@ -1,5 +1,5 @@
C Cache\sand\sreuse\svirtual\stable\scursors\sin\sthe\sbytecode\sengine.
D 2025-07-01T17:36:55.244
C Improved\sbyte-code\scomments\sfor\sthe\sshort-circuit\soptimization\sof\n[0083d5169a46104a],\sto\said\sin\sdebugging.
D 2025-07-01T20:32:45.457
F .fossil-settings/binary-glob 61195414528fb3ea9693577e1980230d78a1f8b0a54c78cf1b9b24d0a409ed6a x
F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
@@ -736,7 +736,7 @@ F src/date.c 9db4d604e699a73e10b8e85a44db074a1f04c0591a77e2abfd77703f50dce1e9
F src/dbpage.c b3e218f8ed74fcbb7fa805df8ca669a3718d397617b3d8a8aac3307dc315c4d6
F src/dbstat.c 73362c0df0f40ad5523a6f5501224959d0976757b511299bf892313e79d14f5c
F src/delete.c 03a77ba20e54f0f42ebd8eddf15411ed6bdb06a2c472ac4b6b336521bf7cea42
F src/expr.c 18108701c8b2fcb995143f0217f650d03359f93e2af9e181876436fb71ad4593
F src/expr.c e3d3b6e60b86fac772bd4d4f0c6fe1d01bef3851754a9c1215d2f8574296cbd2
F src/fault.c 460f3e55994363812d9d60844b2a6de88826e007
F src/fkey.c 928ed2517e8732113d2b9821aa37af639688d752f4ea9ac6e0e393d713eeb76f
F src/func.c de47a8295503aa130baae5e6d9868ecf4f7c4dbffa65d83ad1f70bdbac0ee2d6
@@ -2208,8 +2208,8 @@ F tool/version-info.c 3b36468a90faf1bbd59c65fd0eb66522d9f941eedd364fabccd7227350
F tool/warnings-clang.sh bbf6a1e685e534c92ec2bfba5b1745f34fb6f0bc2a362850723a9ee87c1b31a7
F tool/warnings.sh 1ad0169b022b280bcaaf94a7fa231591be96b514230ab5c98fbf15cd7df842dd
F tool/win/sqlite.vsix deb315d026cc8400325c5863eef847784a219a2f
P 8afd6ca85724a69970181042d6aac53742ea2b76ded5966b2541c3afe1121fb9
R a0d75f1fb250395135fba17ef3bc4dc0
P 2d187d4232d750cb1840f1d89c8aed65962cb0883c1d7f91c554b451e475c514
R 514121d017fa6dee51263403393090a8
U drh
Z 8fcf407f538f5f9f65ff8d90a37c91a0
Z 688f46cf0060385046556b19c2a8341b
# Remove this line to create a well-formed Fossil manifest.

2
manifest.uuid
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@@ -1 +1 @@
2d187d4232d750cb1840f1d89c8aed65962cb0883c1d7f91c554b451e475c514
113f9d10e347eeaa893ff8b47a461009e0b12589374b93cf3e0bddd19c702dea

9
src/expr.c
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@@ -2424,7 +2424,9 @@ static int exprComputeOperands(
*/
if( exprEvalRhsFirst(pExpr) && sqlite3ExprCanBeNull(pExpr->pRight) ){
r2 = sqlite3ExprCodeTemp(pParse, pExpr->pRight, pFree2);
addrIsNull = sqlite3VdbeAddOp1(v, OP_IsNull, r2); VdbeCoverage(v);
addrIsNull = sqlite3VdbeAddOp1(v, OP_IsNull, r2);
VdbeComment((v, "skip left operand"));
VdbeCoverage(v);
}else{
addrIsNull = 0;
}
@@ -2439,7 +2441,9 @@ static int exprComputeOperands(
if( ExprHasProperty(pExpr->pRight, EP_Subquery)
&& sqlite3ExprCanBeNull(pExpr->pLeft)
){
addrIsNull = sqlite3VdbeAddOp1(v, OP_IsNull, r1); VdbeCoverage(v);
addrIsNull = sqlite3VdbeAddOp1(v, OP_IsNull, r1);
VdbeComment((v, "skip right operand"));
VdbeCoverage(v);
}
r2 = sqlite3ExprCodeTemp(pParse, pExpr->pRight, pFree2);
}
@@ -5112,6 +5116,7 @@ expr_code_doover:
sqlite3VdbeAddOp2(v, OP_Goto, 0, sqlite3VdbeCurrentAddr(v)+2);
sqlite3VdbeJumpHere(v, addrIsNull);
sqlite3VdbeAddOp2(v, OP_Null, 0, target);
VdbeComment((v, "short-circut value"));
}
break;
}