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Code Issues Releases Wiki Activity

- better PostgreSQL support for ALTER TABLE

Browse Source 
- stress tested sql_list_index(), found some bugs in it :/


git-svn-id: file:///svn/phpbb/trunk@7855 89ea8834-ac86-4346-8a33-228a782c2dd0
This commit is contained in:
David M 2007-07-09 22:39:50 +00:00
parent c0ea9006c5
commit 84a16e2ac6
1 changed files with 46 additions and 9 deletions
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55
phpBB/install/database_update.php
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@ -937,6 +937,8 @@ function prepare_column_data($dbms, $column_data)
$sql = '';
$return_array = array();
switch ($dbms)
{
case 'firebird':
@ -1011,14 +1013,23 @@ function prepare_column_data($dbms, $column_data)
break;
case 'postgres':
$return_array['column_type'] = $column_type;
$return_array['null'] = 'NOT NULL';
if (!is_null($column_data[1]))
{
$return_array['default'] = $column_data[1];
}
$sql .= " {$column_type} ";
$sql .= 'NOT NULL';
$sql .= 'NOT NULL ';
$sql .= (!is_null($column_data[1])) ? "DEFAULT '{$column_data[1]}' " : '';
// Unsigned? Then add a CHECK contraint
if (in_array($orig_column_type, $unsigned_types))
{
$return_array['constraint'] = "CHECK ({$column_name} >= 0)";
$sql .= " CHECK ({$column_name} >= 0)";
}
break;
@ -1040,9 +1051,9 @@ function prepare_column_data($dbms, $column_data)
break;
}
return array(
'column_type_sql' => $sql,
);
$return_array['column_type_sql'] = $sql;
return $return_array;
}
/**
@ -1263,7 +1274,7 @@ function sql_index_drop($dbms, $index_name, $table_name)
case 'oracle':
case 'postgres':
case 'sqlite':
$sql = 'DROP INDEX ' . $table_name . '_' . $index_name;
$sql = 'DROP INDEX ' . $table_name . '_' . $index_name;
_sql($sql, $errored, $error_ary);
break;
}
@ -1476,6 +1487,16 @@ function sql_list_index($dbms, $table_name)
continue;
}
switch ($dbms)
{
case 'firebird':
case 'oracle':
case 'postgres':
case 'sqlite':
$row[$col] = substr($row[$col], strlen($table_name) + 1);
break;
}
$index_array[] = $row[$col];
}
$db->sql_freeresult($result);
@ -1519,16 +1540,32 @@ function sql_column_change($dbms, $table_name, $column_name, $column_data)
break;
case 'postgres':
$default_pos = strpos($column_data['column_type_sql'], ' DEFAULT');
$sql = 'ALTER TABLE ' . $table_name . ' ';
if ($default_pos === false)
$sql_array = array();
$sql_array[] = 'ALTER COLUMN ' . $column_name . ' TYPE ' . $column_data['column_type'];
if ($column_data['null'] == 'NOT NULL')
{
$sql = 'ALTER TABLE ' . $table_name . ' ALTER COLUMN ' . $column_name . ' TYPE ' . $column_data['column_type_sql'];
$sql_array[] = 'ALTER COLUMN ' . $column_name . ' SET NOT NULL';
}
else
{
$sql = 'ALTER TABLE ' . $table_name . ' ALTER COLUMN ' . $column_name . ' TYPE ' . substr($column_data['column_type_sql'], 0, $default_pos) . ', ALTER COLUMN ' . $column_name . ' SET ' . substr($column_data['column_type_sql'], $default_pos + 1);
$sql_array[] = 'ALTER COLUMN ' . $column_name . ' DROP NOT NULL';
}
if (isset($column_data['default']))
{
$sql_array[] = 'ALTER COLUMN ' . $column_name . " SET DEFAULT '" . $column_data['default'] . "'";
}
if (isset($column_data['constraint']))
{
$sql_array[] = 'ALTER COLUMN ' . $column_name . " ADD '" . $column_data['constraint'] . "'";
}
$sql .= implode(', ', $sql_array);
_sql($sql, $errored, $error_ary);
break;