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[ticket/10327] Change CREATE INDEX to ALTER TABLE table ADD INDEX for MySQL.

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* CREATE INDEX is internally mapped to an ALTER INDEX statement.
* CREATE INDEX requires the INDEX permission.
* ALTER TABLE requires the (more powerful) ALTER permission.
* We require the ALTER permission anyway for operation.
* Changing CREATE INDEX to ALTER TABLE thus removes dependency on the INDEX
  permission which is good because some management software does not give
  out the INDEX permission by default.

http://dev.mysql.com/doc/refman/5.0/en/create-index.html

PHPBB3-10327
This commit is contained in:
Andreas Fischer 2011-10-14 04:29:53 +02:00
parent 4e69fe6859
commit d86fccf9c9
2 changed files with 19 additions and 1 deletions
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2
phpBB/includes/db/db_tools.php
View file

@ -2145,7 +2145,7 @@ class phpbb_db_tools
}
// no break
case 'mysql_41':
$statements[] = 'CREATE INDEX ' . $index_name . ' ON ' . $table_name . '(' . implode(', ', $column) . ')';
$statements[] = 'ALTER TABLE ' . $table_name . ' ADD INDEX ' . $index_name . '(' . implode(', ', $column) . ')';
break;
case 'mssql':

18
tests/dbal/db_tools_test.php
View file

@ -333,4 +333,22 @@ class phpbb_dbal_db_tools_test extends phpbb_database_test_case
),
));
}
public function test_index_exists()
{
$db_tools = new phpbb_db_tools($this->db);
$this->assertTrue($db_tools->sql_index_exists('prefix_table_name', 'i_simple'));
}
public function test_create_index_against_index_exists()
{
$db_tools = new phpbb_db_tools($this->db);
$table_name = 'prefix_table_name';
$index_name = 'fookey';
$db_tools->sql_create_index($table_name, $index_name, array('c_timestamp', 'c_decimal'));
$this->assertTrue($db_tools->sql_index_exists($table_name, $index_name));
}
}