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Bug#5507: TRUNCATE does not work with views.

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Support of views wasn't implemented for the TRUNCATE statement.
Now TRUNCATE on views has the same semantics as DELETE FROM view:
mysql_truncate() checks whether the table is a view and falls back
to delete if so.
In order to initialize properly the LEX::updatable for a view
st_lex::can_use_merged() now allows usage of merged views for the
TRUNCATE statement.


mysql-test/r/truncate.result:
  Added a test case for the Bug#5507: TRUNCATE does not work with views.
mysql-test/t/truncate.test:
  Added a test case for the Bug#5507: TRUNCATE does not work with views.
sql/sql_lex.cc:
  Bug#5507: TRUNCATE does not work with views.
  can_use_merged() was denying of usage of merged views for a
  TRUNCATE statement. This results in improper initialization
  of view LEX::updatable. Fixed.
sql/sql_delete.cc:
  Bug#5507: TRUNCATE does not work with views.
  1.mysql_truncate() was lacking of check whether the table is view. Added.
  2.mysql_truncate() calls mysql_delete(), but mysql_delete() always reports
  errors as "DELETE" errors. Fixed.
mysql-test/t/view.test:
  Updated test case for Bug#14540: OPTIMIZE, ANALYZE, REPAIR applied 
  to not a view.
mysql-test/r/view.result:
  Updated test case for Bug#14540: OPTIMIZE, ANALYZE, REPAIR applied 
  to not a view.
This commit is contained in:
unknown
2007-04-12 23:21:37 +05:00
parent 2eaf8ac837
commit 0b54001b21
6 changed files with 78 additions and 3 deletions
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sql/sql_lex.cc
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@ -1834,6 +1834,7 @@ bool st_lex::can_use_merged()
case SQLCOM_UPDATE_MULTI:
case SQLCOM_DELETE:
case SQLCOM_DELETE_MULTI:
case SQLCOM_TRUNCATE:
case SQLCOM_INSERT:
case SQLCOM_INSERT_SELECT:
case SQLCOM_REPLACE: