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Simplifications to the preupdate_hook logic to make it easier to reason about,

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and reduce static analyzer warnings.

FossilOrigin-Name: 91e3b98e06feaa5b70caf2266200d20d0ae4e432db147975c9f5959f93df7e7b
This commit is contained in:
drh
2021-10-05 11:11:43 +00:00
parent 7d4c94bc0f
commit e1e1a43a0f
3 changed files with 12 additions and 11 deletions
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12
manifest
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@@ -1,5 +1,5 @@
C Fix\sharmless\sstatic-analyzer\swarnings.
D 2021-10-04T22:34:38.507
C Simplifications\sto\sthe\spreupdate_hook\slogic\sto\smake\sit\seasier\sto\sreason\sabout,\nand\sreduce\sstatic\sanalyzer\swarnings.
D 2021-10-05T11:11:43.379
F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@@ -621,7 +621,7 @@ F src/upsert.c 8789047a8f0a601ea42fa0256d1ba3190c13746b6ba940fe2d25643a7e991937
F src/utf.c ee39565f0843775cc2c81135751ddd93eceb91a673ea2c57f61c76f288b041a0
F src/util.c 3f27a1eae01c8bbbb8cdef2f26bd8e6a2a7db08106ef7c3dcc990787a5da6e86
F src/vacuum.c 454973a59fb20bb982efc2df568a098616db6328a0491b6e84e2e07f7333db45
F src/vdbe.c e4ed1897b74a25989b17a27f7e4a9ee22d40a7ba2fddebca047ca5cc59d9676b
F src/vdbe.c b42cf4c8518ef237586258528cd7ecff14134e1ceee741e6f95b68848b844eff
F src/vdbe.h 25dabb25c7e157b84e59260cfb5b466c3ac103ede9f36f4db371332c47601abe
F src/vdbeInt.h 38206c8dd6b60ff03d9fd4f626b1b4fd0eef7cdc44f2fc2c1973b0f932a3f26b
F src/vdbeapi.c aa5aaf2c37676b83af5724c6cd8207a3064ed46a217fd180957f75ac84f7a2a5
@@ -1929,7 +1929,7 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
P 5da112c02f9e8d0bcbed8bcf6bab9c227607a802e85c8f70b1ca628d24960dee
R ed158196d4eb2672db00add61a3b4690
P 32f33f356931242b59c01b5df7e180941231e3d9c91577ad33aa4a01e9d59092
R 40118fb23ffff22e883bc146535d4ef6
U drh
Z 3cde4d92fbbfe00106b388617e0f0f8e
Z 98cc5429b03c6a7bf82a3053dffda967

2
manifest.uuid
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@@ -1 +1 @@
32f33f356931242b59c01b5df7e180941231e3d9c91577ad33aa4a01e9d59092
91e3b98e06feaa5b70caf2266200d20d0ae4e432db147975c9f5959f93df7e7b

9
src/vdbe.c
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@@ -5256,7 +5256,7 @@ case OP_Insert: {
assert( (pOp->p5 & OPFLAG_ISNOOP) || HasRowid(pTab) );
}else{
pTab = 0;
zDb = 0; /* Not needed. Silence a compiler warning. */
zDb = 0;
}
#ifdef SQLITE_ENABLE_PREUPDATE_HOOK
@@ -5409,13 +5409,14 @@ case OP_Delete: {
pC->movetoTarget = sqlite3BtreeIntegerKey(pC->uc.pCursor);
}
}else{
zDb = 0; /* Not needed. Silence a compiler warning. */
pTab = 0; /* Not needed. Silence a compiler warning. */
zDb = 0;
pTab = 0;
}
#ifdef SQLITE_ENABLE_PREUPDATE_HOOK
/* Invoke the pre-update-hook if required. */
if( db->xPreUpdateCallback && pOp->p4.pTab ){
assert( db->xPreUpdateCallback==0 || pTab==pOp->p4.pTab );
if( db->xPreUpdateCallback && pTab ){
assert( !(opflags & OPFLAG_ISUPDATE)
|| HasRowid(pTab)==0
|| (aMem[pOp->p3].flags & MEM_Int)