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Overview
| Comment: | Ensure that comparison operators do not mess up the MEM_Dyn flag on registers when reverting affinity changes. Cherrypick of [02e3c88fbf6a]. |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | branch-3.8.6 |
| Files: | files | file ages | folders |
| SHA1: |
4125477e63fd3a71dce262e0866d3e39 |
| User & Date: | dan 2015-05-20 19:44:12 |
Context
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2015-05-20
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| 19:48 | Avoid signed integer overflow when converting oversized in-line integer widths and precisions in printf(). Cherrypick of [c494171f77dc], [5ce4e7d7651e], [95625ef3adc3] and [8e4ac2ce2441]. check-in: b330c7ff user: dan tags: branch-3.8.6 | |
| 19:44 | Ensure that comparison operators do not mess up the MEM_Dyn flag on registers when reverting affinity changes. Cherrypick of [02e3c88fbf6a]. check-in: 4125477e user: dan tags: branch-3.8.6 | |
| 19:34 | Fix a problem causing collation sequence names to be dequoted multiple times under some circumstances. Cherrypick of [eddc05e7bb31]. check-in: fc1a4f29 user: dan tags: branch-3.8.6 | |
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2015-03-31
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| 11:42 | Ensure that comparison operators do not mess up the MEM_Dyn flag on registers when reverting affinity changes. check-in: 02e3c88f user: drh tags: trunk | |
Changes
Changes to src/vdbe.c.
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/* Neither operand is NULL. Do a comparison. */
affinity = pOp->p5 & SQLITE_AFF_MASK;
if( affinity ){
applyAffinity(pIn1, affinity, encoding);
applyAffinity(pIn3, affinity, encoding);
if( db->mallocFailed ) goto no_mem;
}
assert( pOp->p4type==P4_COLLSEQ || pOp->p4.pColl==0 );
ExpandBlob(pIn1);
ExpandBlob(pIn3);
res = sqlite3MemCompare(pIn3, pIn1, pOp->p4.pColl);
}
switch( pOp->opcode ){
................................................................................
}else{
VdbeBranchTaken(res!=0, (pOp->p5 & SQLITE_NULLEQ)?2:3);
if( res ){
pc = pOp->p2-1;
}
}
/* Undo any changes made by applyAffinity() to the input registers. */
pIn1->flags = (pIn1->flags&~MEM_TypeMask) | (flags1&MEM_TypeMask);
pIn3->flags = (pIn3->flags&~MEM_TypeMask) | (flags3&MEM_TypeMask);
break;
}
/* Opcode: Permutation * * * P4 *
**
** Set the permutation used by the OP_Compare operator to be the array
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/* Neither operand is NULL. Do a comparison. */
affinity = pOp->p5 & SQLITE_AFF_MASK;
if( affinity ){
applyAffinity(pIn1, affinity, encoding);
applyAffinity(pIn3, affinity, encoding);
if( db->mallocFailed ) goto no_mem;
}
flags1 = (pIn1->flags & ~MEM_TypeMask) | (flags1 & MEM_TypeMask);
flags3 = (pIn3->flags & ~MEM_TypeMask) | (flags3 & MEM_TypeMask);
assert( pOp->p4type==P4_COLLSEQ || pOp->p4.pColl==0 );
ExpandBlob(pIn1);
ExpandBlob(pIn3);
res = sqlite3MemCompare(pIn3, pIn1, pOp->p4.pColl);
}
switch( pOp->opcode ){
................................................................................
}else{
VdbeBranchTaken(res!=0, (pOp->p5 & SQLITE_NULLEQ)?2:3);
if( res ){
pc = pOp->p2-1;
}
}
/* Undo any changes made by applyAffinity() to the input registers. */
assert( (pIn1->flags & MEM_Dyn) == (flags1 & MEM_Dyn) );
pIn1->flags = (pIn1->flags&~MEM_TypeMask) | (flags1&MEM_TypeMask);
assert( (pIn3->flags & MEM_Dyn) == (flags3 & MEM_Dyn) );
pIn3->flags = (pIn3->flags&~MEM_TypeMask) | (flags3&MEM_TypeMask);
break;
}
/* Opcode: Permutation * * * P4 *
**
** Set the permutation used by the OP_Compare operator to be the array
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Changes to test/misc1.test.
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sqlite3_test_control_fault_install fault_callback
set fault_callbacks
} {0}
do_test misc1-19.2 {
sqlite3_test_control_fault_install
set fault_callbacks
} {0}
finish_test
|
> > > > > > |
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sqlite3_test_control_fault_install fault_callback
set fault_callbacks
} {0}
do_test misc1-19.2 {
sqlite3_test_control_fault_install
set fault_callbacks
} {0}
do_catchsql_test misc1-20.1 {
create table t0(o CHar(0)CHECK(0&O>O));
insert into t0 select randomblob(0)-trim(0);
} {1 {CHECK constraint failed: t0}}
finish_test
|