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Overview
| Comment: | Remove an unreachable branch in the FK code. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: | 6c227cc85378fa6041703d6620031c0e |
| User & Date: | drh 2011-08-22 20:33:12 |
Context
|
2011-08-23
| ||
| 00:01 | Remove a branch that is always true. check-in: a6568192 user: drh tags: trunk | |
|
2011-08-22
| ||
| 20:33 | Remove an unreachable branch in the FK code. check-in: 6c227cc8 user: drh tags: trunk | |
| 09:54 | Fix for [b1d3a2e531]. check-in: 3f3acee4 user: dan tags: trunk | |
Changes
Changes to src/fkey.c.
732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 |
pTo = sqlite3FindTable(db, pFKey->zTo, zDb);
}else{
pTo = sqlite3LocateTable(pParse, 0, pFKey->zTo, zDb);
}
if( !pTo || locateFkeyIndex(pParse, pTo, pFKey, &pIdx, &aiFree) ){
assert( isIgnoreErrors==0 || (regOld!=0 && regNew==0) );
if( !isIgnoreErrors || db->mallocFailed ) return;
if( isIgnoreErrors && pTo==0 ){
/* If isIgnoreErrors is true, then a table is being dropped. In this
** case SQLite runs a "DELETE FROM xxx" on the table being dropped
** before actually dropping it in order to check FK constraints.
** If the parent table of an FK constraint on the current table is
** missing, behave as if it is empty. i.e. decrement the relevant
** FK counter for each row of the current table with non-NULL keys.
*/
|
| |
732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 |
pTo = sqlite3FindTable(db, pFKey->zTo, zDb);
}else{
pTo = sqlite3LocateTable(pParse, 0, pFKey->zTo, zDb);
}
if( !pTo || locateFkeyIndex(pParse, pTo, pFKey, &pIdx, &aiFree) ){
assert( isIgnoreErrors==0 || (regOld!=0 && regNew==0) );
if( !isIgnoreErrors || db->mallocFailed ) return;
if( pTo==0 ){
/* If isIgnoreErrors is true, then a table is being dropped. In this
** case SQLite runs a "DELETE FROM xxx" on the table being dropped
** before actually dropping it in order to check FK constraints.
** If the parent table of an FK constraint on the current table is
** missing, behave as if it is empty. i.e. decrement the relevant
** FK counter for each row of the current table with non-NULL keys.
*/
|