bk commit into 5.1 tree (gluh:1.2611) BUG#30152

[gluh]

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ChangeSet@stripped, 2007-11-23 13:54:19+04:00, gluh@stripped +3 -0
  Bug#30152 MySQLD crash duing alter table causes DROP DATABASE to FAIL due to temp file
  disable decoding of table name if the table is internal temporary table

  mysql-test/r/drop.result@stripped, 2007-11-23 13:54:17+04:00, gluh@stripped +4 -0
    test result

  mysql-test/t/drop.test@stripped, 2007-11-23 13:54:17+04:00, gluh@stripped +10 -0
    test case

  sql/sql_table.cc@stripped, 2007-11-23 13:54:17+04:00, gluh@stripped +3 -2
    disable decoding of table name if the table is internal temporary table

diff -Nrup a/mysql-test/r/drop.result b/mysql-test/r/drop.result
--- a/mysql-test/r/drop.result	2006-11-22 00:42:11 +04:00
+++ b/mysql-test/r/drop.result	2007-11-23 13:54:17 +04:00
@@ -85,3 +85,7 @@ select 1;
 1
 unlock tables;
 End of 5.0 tests
+create database mysql_test;
+create table mysql_test.t1(f1 int);
+drop database mysql_test;
+End of 5.1 tests
diff -Nrup a/mysql-test/t/drop.test b/mysql-test/t/drop.test
--- a/mysql-test/t/drop.test	2006-08-21 13:18:56 +05:00
+++ b/mysql-test/t/drop.test	2007-11-23 13:54:17 +04:00
@@ -122,3 +122,13 @@ disconnect addconroot2;
 connection default;
 
 --echo End of 5.0 tests
+
+#
+# Bug#30152 MySQLD crash duing alter table causes DROP DATABASE to FAIL due to temp file
+#
+create database mysql_test;
+create table mysql_test.t1(f1 int);
+copy_file $MYSQLTEST_VARDIR/master-data/mysql_test/t1.frm
$MYSQLTEST_VARDIR/master-data/mysql_test/#sql-347f_6.frm;
+drop database mysql_test;
+
+--echo End of 5.1 tests
diff -Nrup a/sql/sql_table.cc b/sql/sql_table.cc
--- a/sql/sql_table.cc	2007-11-21 21:12:33 +04:00
+++ b/sql/sql_table.cc	2007-11-23 13:54:17 +04:00
@@ -1656,8 +1656,9 @@ int mysql_rm_table_part2(THD *thd, TABLE
       }
       alias= (lower_case_table_names == 2) ? table->alias : table->table_name;
       /* remove .frm file and engine files */
-      path_length= build_table_filename(path, sizeof(path),
-                                        db, alias, reg_ext, 0);
+      path_length= build_table_filename(path, sizeof(path), db, alias, reg_ext,
+                                        is_prefix(alias, tmp_file_prefix) ?
+                                        FN_IS_TMP : 0);
     }
     if (drop_temporary ||
         (table_type == NULL &&