bk commit into 5.0 tree (gluh:1.1929) BUG#9897

[gluh]

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ChangeSet
  1.1929 05/05/06 21:42:22 gluh@stripped +3 -0
  Fix for bug#9897: Views: 'Check Table' crashes MySQL, with a view and a table in the statement
     thd->lex->derived_tables should be zero(it may be changed if we open a view)

  sql/sql_table.cc
    1.241 05/05/06 21:42:16 gluh@stripped +1 -0
    Fix for bug#9897: Views: 'Check Table' crashes MySQL, with a view and a table in the statement
        

  mysql-test/t/check.test
    1.8 05/05/06 21:42:16 gluh@stripped +12 -0
    Fix for bug#9897: Views: 'Check Table' crashes MySQL, with a view and a table in the statement

  mysql-test/r/check.result
    1.5 05/05/06 21:42:16 gluh@stripped +9 -0
    Fix for bug#9897: Views: 'Check Table' crashes MySQL, with a view and a table in the statement

# This is a BitKeeper patch.  What follows are the unified diffs for the
# set of deltas contained in the patch.  The rest of the patch, the part
# that BitKeeper cares about, is below these diffs.
# User:	gluh
# Host:	mobby.(none)
# Root:	/home/gluh/MySQL/Bugs/5.0.9897

--- 1.240/sql/sql_table.cc	2005-05-02 17:19:34 +00:00
+++ 1.241/sql/sql_table.cc	2005-05-06 21:42:16 +00:00
@@ -2342,6 +2342,7 @@
     }
     close_thread_tables(thd);
     table->table=0;				// For query cache
+    thd->lex->derived_tables= 0;
     if (protocol->write())
       goto err;
   }

--- 1.4/mysql-test/r/check.result	2002-03-13 17:20:16 +00:00
+++ 1.5/mysql-test/r/check.result	2005-05-06 21:42:16 +00:00
@@ -5,3 +5,12 @@
 Table	Op	Msg_type	Msg_text
 test.t1	check	status	OK
 drop table t1;
+Create table t1(f1 int);
+Create table t2(f1 int);
+Create view v1 as Select * from t1;
+Check Table v1,t2;
+Table	Op	Msg_type	Msg_text
+test.v1	check	status	OK
+test.t2	check	status	OK
+drop view v1;
+drop table t1, t2;

--- 1.7/mysql-test/t/check.test	2003-01-05 23:48:51 +00:00
+++ 1.8/mysql-test/t/check.test	2005-05-06 21:42:16 +00:00
@@ -22,3 +22,15 @@
 reap;
 drop table t1;
 
+#
+# Bug #9897  Views: 'Check Table' crashes MySQL, with a view and a table 
+# in the statement
+#
+
+connection default;
+Create table t1(f1 int);
+Create table t2(f1 int);
+Create view v1 as Select * from t1;
+Check Table v1,t2;
+drop view v1;
+drop table t1, t2;