diff options
author | Boris Kolpackov <boris@codesynthesis.com> | 2014-11-28 09:23:03 +0200 |
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committer | Boris Kolpackov <boris@codesynthesis.com> | 2014-11-28 09:23:03 +0200 |
commit | 901dfde45302b8e96209a9792644ade60e80be32 (patch) | |
tree | 237328e5391991e0f49763785ca342870347bb04 /NEWS | |
parent | 06583147eaa601764a789ae586384e38e05e9015 (diff) |
Document bulk operation support
Diffstat (limited to 'NEWS')
-rw-r--r-- | NEWS | 10 |
1 files changed, 8 insertions, 2 deletions
@@ -1,7 +1,13 @@ Version 2.4.0 - * New database class functions, query_one(), query_value(), provide - convenient shortcuts for situations where the query is know to return + * Support for bulk operations in Oracle and SQL Server. Bulk operations + persist, update, or erase a range of objects using a single database + statement execution which often translates to significantly better + performance. For details, refer to Section 15.3, "Bulk Database + Operations" in the ODB manual. + + * New database class functions, query_one() and query_value(), provide + convenient shortcuts for situations where the query is known to return at most one element (query_one) or exactly one element (query_value). Corresponding execute_one() and execute_value() functions for prepared queries are also provided. For details, refer to Sections 4.3, "Executing |