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Fix for bug #29411: deleting from a csv table leads to the table corruption

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Problem: we don't adjust share->rows_recorded and local_saved_data_file_length
deleting rows from a CSV table, so following table check may fail.

Fix: properly adjust those values.


mysql-test/r/csv.result:
  Fix for bug #29411: deleting from a csv table leads to the table corruption
    - test result.
mysql-test/t/csv.test:
  Fix for bug #29411: deleting from a csv table leads to the table corruption
    - test case.
storage/csv/ha_tina.cc:
  Fix for bug #29411: deleting from a csv table leads to the table corruption
    - decrement share->rows_recorded in the ha_tina::delete_row().
    - set share->rows_recorded and local_saved_data_file_length to 0 in the 
      ha_tina::delete_all_rows().
    - adjust local_saved_data_file_length after cleaning up in the 
      ha_tina::rnd_end().
This commit is contained in:
unknown
2007-07-05 11:55:06 +05:00
parent bd8b9746bf
commit 558aeb0f0b
3 changed files with 52 additions and 9 deletions
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18
mysql-test/r/csv.result
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@ -4945,8 +4945,6 @@ SELECT * FROM bug13894;
val
6
6
5
11
DROP TABLE bug13894;
DROP TABLE IF EXISTS bug14672;
CREATE TABLE bug14672 (c1 integer) engine = CSV;
@ -5291,4 +5289,20 @@ check table t1;
Table Op Msg_type Msg_text
test.t1 check status OK
drop table t1;
create table t1(a int) engine=csv;
insert into t1 values (0), (1), (2);
delete from t1 limit 2;
check table t1;
Table Op Msg_type Msg_text
test.t1 check status OK
select * from t1;
a
2
delete from t1;
check table t1;
Table Op Msg_type Msg_text
test.t1 check status OK
select * from t1;
a
drop table t1;
End of 5.1 tests