~drizzle-trunk/drizzle/development

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#
# Bug #28499: crash for grouping query when tmp_table_size is too small
#
--disable_warnings
DROP TABLE IF EXISTS t1;
--enable_warnings

CREATE TABLE t1 (
  a varchar(32) collate utf8_bin NOT NULL,
  b varchar(32) collate utf8_bin NOT NULL );

INSERT INTO t1 VALUES
  ('AAAAAAAAAA','AAAAAAAAAA'), ('AAAAAAAAAB','AAAAAAAAAB '),
  ('AAAAAAAAAB','AAAAAAAAAB'), ('AAAAAAAAAC','AAAAAAAAAC'),
  ('AAAAAAAAAD','AAAAAAAAAD'), ('AAAAAAAAAE','AAAAAAAAAE'),
  ('AAAAAAAAAF','AAAAAAAAAF'), ('AAAAAAAAAG','AAAAAAAAAG'),
  ('AAAAAAAAAH','AAAAAAAAAH'), ('AAAAAAAAAI','AAAAAAAAAI'),
  ('AAAAAAAAAJ','AAAAAAAAAJ'), ('AAAAAAAAAK','AAAAAAAAAK');

set tmp_table_size=1024;

--replace_regex /in table '[^']+'/in table 'tmp_table'/
SELECT MAX(a) FROM t1 GROUP BY a,b;

set tmp_table_size=default;

DROP TABLE t1;