Commit Graph

7 Commits

Author SHA1 Message Date
drh
f49ff6ffb3 Fix a problem in sqlite3ExprCompare() associated with UPSERT.
FossilOrigin-Name: 67d0b2c15299dd20bca7254ecb33e71b5eee6024e2709bfdc36f877bf2a5679f
2018-04-23 20:38:40 +00:00
drh
7963691314 Fix the handling of "PRAGMA count_changes=ON" with UPSERT. Also improved
the implementation of count_changes in other places, without changing the
behavior.

FossilOrigin-Name: c6f71115eb933c2aee295bc31e5139112463c28e15a3b3ea242fd9bac168aed9
2018-04-19 23:52:39 +00:00
drh
c8a0c90b62 Get the ON CONFLICT DO NOTHING form of upsert working by mapping it
into INSERT OR IGNORE.

FossilOrigin-Name: d07f05e98bb9ce0f9b46db159d9df161b7499d6face6a5299ecd2d00a94fb8d0
2018-04-13 15:14:33 +00:00
drh
d5af54207d Get the conflict-target clause parsing working correctly, with test
cases.  This change involves an enhancement to sqlite3ExprCompare() which
needs to be reviewed on trunk prior to merging.

FossilOrigin-Name: 5bf704256206f84b3db7a5d8523215604eeb218ef8db86316d1e43ecd7248d6a
2018-04-13 14:27:01 +00:00
drh
3b45d8bfb7 Improved conflict-target matching logic.
FossilOrigin-Name: 98d32ba661f4ba662b639994b74352b695d53a33bc8a498bd09b9e02f794c81e
2018-04-13 13:44:48 +00:00
drh
e9c2e772f1 Back off of the extended upsert syntax that allows multiple ON CONFLICT
clauses.  The syntax now is exactly as in PostgreSQL and MySQL.  Add support
for WHERE clauses on the conflict-target phrase, for partial indexes.

FossilOrigin-Name: 2c1b1987d8de1efa8ed7e1f199710e32ff20edf8ceec570514fc63bb1ef264e0
2018-04-13 13:06:45 +00:00
drh
788d55aa77 Begin adding upsert logic. This is an incremental check-in.
FossilOrigin-Name: 809696434097e62e8ef486c7478b5eb62c0cf1342522a5584939fade82821410
2018-04-13 01:15:09 +00:00