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- ported listTableForeignKeys() from MDB2

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This commit is contained in:
lsmith 2008-01-10 08:48:15 +00:00
parent ba8aae6005
commit f53a239334
1 changed files with 17 additions and 3 deletions
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20
lib/Doctrine/Import/Mysql.php
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@ -103,9 +103,24 @@ class Doctrine_Import_Mysql extends Doctrine_Import
* @param string $table database table name
* @return array
*/
public function listTableForeignKeys($table)
public function listTableForeignKeys($table)
{
$sql = 'SHOW CREATE TABLE ' . $this->conn->quoteIdentifier($table, true);
$sql = 'SHOW CREATE TABLE ' . $this->conn->quoteIdentifier($table, true);
$definition = $this->conn->fetchOne($sql);
if (!empty($definition)) {
$pattern = '/\bCONSTRAINT\s+([^\s]+)\s+FOREIGN KEY\b/i';
if (preg_match_all($pattern, str_replace('`', '', $definition), $matches) > 1) {
foreach ($matches[1] as $constraint) {
$result[$constraint] = true;
}
}
}
if ($this->conn->getAttribute(Doctrine::ATTR_PORTABILITY) & Doctrine::PORTABILITY_FIX_CASE) {
$result = array_change_key_case($result, $this->conn->getAttribute(Doctrine::ATTR_FIELD_CASE));
}
return $result;
}
/**
@ -146,7 +161,6 @@ class Doctrine_Import_Mysql extends Doctrine_Import
$columns[$val['field']] = $description;
}
return $columns;
}