method getCreateConstraints documentation in bbn\Db\Languages\Sqlite
function(string $table, array $model = NULL)
{
$st = '';
if (!empty($model)) {
if ($last = count($model)) {
$st .= 'ALTER TABLE '.$this->escape($table).PHP_EOL;
$i = 0;
if (!is_array($model[0])) {
$constraints[] = $model;
}
else{
$constraints = $model;
}
foreach ($constraints as $name => $key) {
X::log($key, 'vito');
$i++;
$st .= ' ADD '.
'CONSTRAINT '.$this->escape($key['constraint']).
(!empty($key['foreign_key']) ? ' FOREIGN KEY ('.$this->escape($key['columns'][0]).') ' : '').
(!empty($key['unique']) ? ' UNIQUE ('.$this->escape($key['ref_table'].'_'.$key['columns'][0]).') ' : '').
(!empty($key['primary_key']) ? ' PRIMARY KEY ('.$this->escape($key['ref_table'].'_'.$key['columns'][0]).') ' : '').
'REFERENCES '.$this->escape($key['ref_table']).'('.$this->escape($key['columns'][0]).') '.
($key['delete'] ? ' ON DELETE '.$key['delete'] : '').
($key['update'] ? ' ON UPDATE '.$key['update'] : '').
($i === $last ? ';' : ','.PHP_EOL);
}
}
}
return $st;
}
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