diff options
| author | drh <> | 2021-07-03 02:55:47 +0000 |
|---|---|---|
| committer | drh <> | 2021-07-03 02:55:47 +0000 |
| commit | 5c46a7e5555fb72c94698b21ef8490083243edb0 (patch) | |
| tree | b0a6f4f9f8d3144e4aabbd25f5f861b415f2534d /src | |
| parent | dd51365408391e457b0d37d1cdf87b56622b5673 (diff) | |
| download | sqlite-5c46a7e5555fb72c94698b21ef8490083243edb0.tar.gz sqlite-5c46a7e5555fb72c94698b21ef8490083243edb0.zip | |
In the PRAGMA foreign_key_check, ensure that sufficient registers are
allocated for the virtual machine, even if one or more foreign keys reuses
the same column multiple times and has more columns than the table it is part
of. [forum:/forumpost/a6b0c05277|Forum post a6b0c05277].
FossilOrigin-Name: 68db1ff9c44fa9c37690ce55ad304d4263ba6fac490063d9e08470de6c17cfe6
Diffstat (limited to 'src')
| -rw-r--r-- | src/pragma.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/pragma.c b/src/pragma.c index 84f29c2fd..4f9b8d913 100644 --- a/src/pragma.c +++ b/src/pragma.c @@ -1466,6 +1466,7 @@ void sqlite3Pragma( sqlite3ExprCodeGetColumnOfTable(v, pTab, 0, iCol, regRow+j); sqlite3VdbeAddOp2(v, OP_IsNull, regRow+j, addrOk); VdbeCoverage(v); } + if( regRow+j>pParse->nMem ) pParse->nMem = regRow+j; /* Generate code to query the parent index for a matching parent ** key. If a match is found, jump to addrOk. */ |