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SQLite driver: implemented database reflection

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This commit is contained in:
Roman Sklenar
2010-01-28 18:00:58 +08:00
committed by David Grudl
parent 7412f8bf65
commit ea5e1f052f
1 changed files with 61 additions and 3 deletions
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64
dibi/drivers/sqlite.php
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@@ -421,7 +421,35 @@ class DibiSqliteDriver extends DibiObject implements IDibiDriver
*/
public function getColumns($table)
{
throw new NotImplementedException;
$this->query("
SELECT sql FROM sqlite_master WHERE type = 'table' AND name = '$table'
UNION ALL
SELECT sql FROM sqlite_temp_master WHERE type = 'table' AND name = '$table'"
);
$meta = $this->fetch(TRUE);
$this->free();
$this->query("PRAGMA table_info([$table])");
$res = array();
while ($row = $this->fetch(TRUE)) {
$column = $row['name'];
$pattern = "/(\"$column\"|\[$column\]|$column)\s+[^,]+\s+PRIMARY\s+KEY\s+AUTOINCREMENT/Ui";
$type = explode('(', $row['type']);
$res[] = array(
'name' => $column,
'table' => $table,
'fullname' => "$table.$column",
'nativetype' => strtoupper($type[0]),
'size' => isset($type[1]) ? (int) $type[1] : NULL,
'nullable' => $row['notnull'] == '0',
'default' => $row['dflt_value'],
'autoincrement' => (bool) preg_match($pattern, $meta['sql']),
'vendor' => $row,
);
}
$this->free();
return $res;
}
@@ -433,7 +461,36 @@ class DibiSqliteDriver extends DibiObject implements IDibiDriver
*/
public function getIndexes($table)
{
throw new NotImplementedException;
$this->query("PRAGMA index_list([$table])");
$res = array();
while ($row = $this->fetch(TRUE)) {
$res[$row['name']]['name'] = $row['name'];
$res[$row['name']]['unique'] = (bool) $row['unique'];
}
$this->free();
foreach ($res as $index => $values) {
$this->query("PRAGMA index_info([$index])");
while ($row = $this->fetch(TRUE)) {
$res[$index]['columns'][$row['seqno']] = $row['name'];
}
}
$this->free();
$columns = $this->getColumns($table);
foreach ($res as $index => $values) {
$column = $res[$index]['columns'][0];
$primary = FALSE;
foreach ($columns as $info) {
if ($column == $info['name']) {
$primary = $info['vendor']['pk'];
break;
}
}
$res[$index]['primary'] = (bool) $primary;
}
return array_values($res);
}
@@ -445,7 +502,8 @@ class DibiSqliteDriver extends DibiObject implements IDibiDriver
*/
public function getForeignKeys($table)
{
throw new NotImplementedException;
// @see http://www.sqlite.org/foreignkeys.html
throw new NotSupportedException;
}