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= New Features
* Add Dataset#grouping_sets to support GROUP BY GROUPING SETS on
PostgreSQL 9.5+, MSSQL 2008+, Oracle, DB2, and SQLAnywhere:
DB[:test].group([:type_id, :b], :type_id, []).grouping_sets
# SELECT * FROM test
# GROUP BY GROUPING SETS((type_id, b), (type_id), ())
* Sequel::NoMatchingRow exceptions raised by Sequel now give access
to the dataset that raised the exception via the dataset method.
This makes it easier to write generic error handling code.
* Support :if_exists option to drop_column on PostgreSQL:
DB.drop_column :t, :col, :if_exists=>true
ALTER TABLE t DROP COLUMN IF EXISTS col
= Other Improvements
* Make the class_table_inheritance plugin work correctly without an
sti_key. This was broken in a recent refactoring to make class
table inheritance support multiple classes for a single table.
* Make Class.new(ModelClass){set_dataset :table} work correctly on
ruby 1.8. This was broken in a refactoring to allow the
singular_table_names plugin to work.
* Make offset emulation via ROW_NUMBER better handle ambiguous column
names for datasets without an ORDER BY clause, but with an explicit
SELECT clause.
* Make pg_range extension use PostgreSQL range function constructors
instead of casting string literals to the appropriate range type,
if the range type is known. This allows arbitrary expressions to
be used inside ranges, such as CURRENT_TIMESTAMP in timestamp
ranges.
* Make Dataset#== not consider frozen status.
* Allow Dataset#prepare on already prepared statements in situations
where determining the SQL for a prepared statement requires it.
* Detect additional disconnect errors when using the tinytds adapter.
Version data entries
76 entries across 70 versions & 2 rubygems