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Ensure that the correct number of columns in a UNIQUE index are checked for

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uniqueness, regardless of whether or not the original table has a ROWID or
if the columns are NOT NULL, etc.  Ticket [9a6daf340df99ba93c].

FossilOrigin-Name: 6b785e92f279cb65746834d5cd25594fd3333342
This commit is contained in:
drh
2014-07-30 13:56:48 +00:00
parent a7f37491a7
commit ac50232d0f
6 changed files with 102 additions and 24 deletions
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12
src/vdbe.c
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@@ -4271,12 +4271,12 @@ case OP_ResetCount: {
}
/* Opcode: SorterCompare P1 P2 P3 P4
** Synopsis: if key(P1)!=rtrim(r[P3],P4) goto P2
** Synopsis: if key(P1)!=trim(r[P3],P4) goto P2
**
** P1 is a sorter cursor. This instruction compares a prefix of the
** the record blob in register P3 against a prefix of the entry that
** the sorter cursor currently points to. The final P4 fields of both
** the P3 and sorter record are ignored.
** the sorter cursor currently points to. Only the first P4 fields
** of r[P3] and the sorter record are compared.
**
** If either P3 or the sorter contains a NULL in one of their significant
** fields (not counting the P4 fields at the end which are ignored) then
@@ -4288,14 +4288,14 @@ case OP_ResetCount: {
case OP_SorterCompare: {
VdbeCursor *pC;
int res;
int nIgnore;
int nKeyCol;
pC = p->apCsr[pOp->p1];
assert( isSorter(pC) );
assert( pOp->p4type==P4_INT32 );
pIn3 = &aMem[pOp->p3];
nIgnore = pOp->p4.i;
rc = sqlite3VdbeSorterCompare(pC, pIn3, nIgnore, &res);
nKeyCol = pOp->p4.i;
rc = sqlite3VdbeSorterCompare(pC, pIn3, nKeyCol, &res);
VdbeBranchTaken(res!=0,2);
if( res ){
pc = pOp->p2-1;