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jpp |
1.1 |
# Ensure that comparison operators do not mess up the MEM_Dyn flag on registers |
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# when reverting affinity changes. |
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# Upstream original patch: https://www.sqlite.org/src/info/02e3c88fbf6abdcf |
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diff -up sqlite-src-3071700/src/vdbe.c.old sqlite-src-3071700/src/vdbe.c |
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--- sqlite-src-3071700/src/vdbe.c.old 2015-07-23 11:54:21.781280736 +0200 |
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+++ sqlite-src-3071700/src/vdbe.c 2015-07-23 11:58:24.829703086 +0200 |
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@@ -1852,7 +1852,13 @@ case OP_Ge: { /* same as TK_ |
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affinity = pOp->p5 & SQLITE_AFF_MASK; |
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if( affinity ){ |
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applyAffinity(pIn1, affinity, encoding); |
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+ testcase( (flags1&MEM_Dyn) != (pIn1->flags&MEM_Dyn) ); |
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+ flags1 = (pIn1->flags & ~MEM_TypeMask) | (flags1 & MEM_TypeMask); |
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+ |
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applyAffinity(pIn3, affinity, encoding); |
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+ testcase( (flags3&MEM_Dyn) != (pIn3->flags&MEM_Dyn) ); |
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+ flags3 = (pIn3->flags & ~MEM_TypeMask) | (flags3 & MEM_TypeMask); |
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+ |
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if( db->mallocFailed ) goto no_mem; |
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} |
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@@ -1881,7 +1887,9 @@ case OP_Ge: { /* same as TK_ |
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} |
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/* Undo any changes made by applyAffinity() to the input registers. */ |
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+ assert( (pIn1->flags & MEM_Dyn) == (flags1 & MEM_Dyn) ); |
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pIn1->flags = (pIn1->flags&~MEM_TypeMask) | (flags1&MEM_TypeMask); |
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+ assert( (pIn3->flags & MEM_Dyn) == (flags3 & MEM_Dyn) ); |
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pIn3->flags = (pIn3->flags&~MEM_TypeMask) | (flags3&MEM_TypeMask); |
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break; |
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} |
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