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Always report row type of 'Fixed' for MEMORY tables. (Bug #3094)

Browse source 
mysql-test/r/heap.result:
  Add new results
mysql-test/t/heap.test:
  Add new regression test
sql/ha_heap.h:
  Always report row type of Fixed for MEMORY tables
This commit is contained in:
unknown 2005-08-05 13:19:48 -07:00
commit f82e2887bf
3 changed files with 19 additions and 0 deletions
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7
mysql-test/r/heap.result
View file

@ -701,3 +701,10 @@ insert into t1 values ("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcd
insert into t1 values ("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz");
ERROR 23000: Duplicate entry 'abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijkl' for key 1
drop table t1;
create table t1 (c char(10)) engine=memory;
create table t2 (c varchar(10)) engine=memory;
show table status like 't_';
Name Engine Version Row_format Rows Avg_row_length Data_length Max_data_length Index_length Data_free Auto_increment Create_time Update_time Check_time Collation Checksum Create_options Comment
t1 MEMORY 10 Fixed 0 11 0 720192 0 0 NULL NULL NULL NULL latin1_swedish_ci NULL
t2 MEMORY 10 Fixed 0 12 0 785664 0 0 NULL NULL NULL NULL latin1_swedish_ci NULL
drop table t1, t2;

10
mysql-test/t/heap.test
View file

@ -437,3 +437,13 @@ insert into t1 values ("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcd
drop table t1;
# End of 4.1 tests
#
# Bug #3094: Row format of memory tables should always be reported as Fixed
#
create table t1 (c char(10)) engine=memory;
create table t2 (c varchar(10)) engine=memory;
show table status like 't_';
drop table t1, t2;
# End of 5.0 tests

2
sql/ha_heap.h
View file

@ -43,6 +43,8 @@ public:
return ((table->key_info[inx].algorithm == HA_KEY_ALG_BTREE) ? "BTREE" :
"HASH");
}
/* Rows also use a fixed-size format */
enum row_type get_row_type() const { return ROW_TYPE_FIXED; }
const char **bas_ext() const;
ulong table_flags() const
{