database/sqlite
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Cache and reuse virtual table cursors in the bytecode engine.

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FossilOrigin-Name: 2d187d4232d750cb1840f1d89c8aed65962cb0883c1d7f91c554b451e475c514
This commit is contained in:
drh
2025-07-01 17:36:55 +00:00
parent 526399b0fd
commit 5e71497404
3 changed files with 16 additions and 9 deletions
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14
manifest
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@@ -1,5 +1,5 @@
C Avoid\san\sassert()\sfailure\sin\sfts5\sthat\smay\soccur\swhen\sprocessing\scorrupt\srecords. C Cache\sand\sreuse\svirtual\stable\scursors\sin\sthe\sbytecode\sengine.
D 2025-07-01T16:21:47.061 D 2025-07-01T17:36:55.244
F .fossil-settings/binary-glob 61195414528fb3ea9693577e1980230d78a1f8b0a54c78cf1b9b24d0a409ed6a x F .fossil-settings/binary-glob 61195414528fb3ea9693577e1980230d78a1f8b0a54c78cf1b9b24d0a409ed6a x
F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1 F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
@@ -852,7 +852,7 @@ F src/upsert.c 215328c3f91623c520ec8672c44323553f12caeb4f01b1090ebdca99fdf7b4f1
F src/utf.c 7267c3fb9e2467020507601af3354c2446c61f444387e094c779dccd5ca62165 F src/utf.c 7267c3fb9e2467020507601af3354c2446c61f444387e094c779dccd5ca62165
F src/util.c 36fb1150062957280777655976f3f9a75db236cb8207a0770ceae8d5ec17fcd3 F src/util.c 36fb1150062957280777655976f3f9a75db236cb8207a0770ceae8d5ec17fcd3
F src/vacuum.c 1bacdd0a81d2b5dc1c508fbf0d938c89fa78dd8d5b46ec92686d44030d4f4789 F src/vacuum.c 1bacdd0a81d2b5dc1c508fbf0d938c89fa78dd8d5b46ec92686d44030d4f4789
F src/vdbe.c 7e29623ca387880b8893e69135a0ff240c3dcaf0710f7a46a5f95b062cf93883 F src/vdbe.c d2c13c0001f5ec40ec1f010a7f9badcff3ce09bbd7a78528682ad49d8566df54
F src/vdbe.h 93761ed7c6b8bc19524912fd9b9b587d41bf4f1d0ade650a00dadc10518d8958 F src/vdbe.h 93761ed7c6b8bc19524912fd9b9b587d41bf4f1d0ade650a00dadc10518d8958
F src/vdbeInt.h 0bc581a9763be385e3af715e8c0a503ba8422c2b7074922faf4bb0d6ae31b15e F src/vdbeInt.h 0bc581a9763be385e3af715e8c0a503ba8422c2b7074922faf4bb0d6ae31b15e
F src/vdbeapi.c f9a4881a9674fec3fa13da35044a1484d3c4b95f9ec891cc8ffb02ef2b7a41df F src/vdbeapi.c f9a4881a9674fec3fa13da35044a1484d3c4b95f9ec891cc8ffb02ef2b7a41df
@@ -2208,8 +2208,8 @@ F tool/version-info.c 3b36468a90faf1bbd59c65fd0eb66522d9f941eedd364fabccd7227350
F tool/warnings-clang.sh bbf6a1e685e534c92ec2bfba5b1745f34fb6f0bc2a362850723a9ee87c1b31a7 F tool/warnings-clang.sh bbf6a1e685e534c92ec2bfba5b1745f34fb6f0bc2a362850723a9ee87c1b31a7
F tool/warnings.sh 1ad0169b022b280bcaaf94a7fa231591be96b514230ab5c98fbf15cd7df842dd F tool/warnings.sh 1ad0169b022b280bcaaf94a7fa231591be96b514230ab5c98fbf15cd7df842dd
F tool/win/sqlite.vsix deb315d026cc8400325c5863eef847784a219a2f F tool/win/sqlite.vsix deb315d026cc8400325c5863eef847784a219a2f
P 77397bd67d918db57d5ac545d6d963194806fdabcdaa8f822b6b09e4cfe8b715 P 8afd6ca85724a69970181042d6aac53742ea2b76ded5966b2541c3afe1121fb9
R ee4381fcf8913d6297e7cb466e0d9225 R a0d75f1fb250395135fba17ef3bc4dc0
U dan U drh
Z 34708df4029e1ab6d72f50ff836e4341 Z 8fcf407f538f5f9f65ff8d90a37c91a0
# Remove this line to create a well-formed Fossil manifest. # Remove this line to create a well-formed Fossil manifest.

2
manifest.uuid
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@@ -1 +1 @@
8afd6ca85724a69970181042d6aac53742ea2b76ded5966b2541c3afe1121fb9 2d187d4232d750cb1840f1d89c8aed65962cb0883c1d7f91c554b451e475c514

9
src/vdbe.c
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@@ -8269,7 +8269,14 @@ case OP_VOpen: { /* ncycle */
const sqlite3_module *pModule; const sqlite3_module *pModule;
assert( p->bIsReader ); assert( p->bIsReader );
pCur = 0; pCur = p->apCsr[pOp->p1];
if( pCur!=0
&& ALWAYS( pCur->eCurType==CURTYPE_VTAB )
&& ALWAYS( pCur->uc.pVCur->pVtab==pOp->p4.pVtab->pVtab )
){
/* This opcode is a no-op if the cursor is already open */
break;
}
pVCur = 0; pVCur = 0;
pVtab = pOp->p4.pVtab->pVtab; pVtab = pOp->p4.pVtab->pVtab;
if( pVtab==0 || NEVER(pVtab->pModule==0) ){ if( pVtab==0 || NEVER(pVtab->pModule==0) ){