public function typeToString(DataType $type)
{
if ($type->getId() == DataType::IP) {
return 'varchar(19)';
}
if ($type->getId() == DataType::IP_RANGE) {
return 'varchar(41)';
}
return $type->getName();
}
public function typeToString(DataType $type)
{
switch ($type->getId()) {
case DataType::BIGINT:
return 'INTEGER';
case DataType::BINARY:
return 'BLOB';
}
return parent::typeToString($type);
}
public function typeToString(DataType $type)
{
if ($type->getId() == DataType::BINARY) {
return 'BLOB';
}
if ($type->getId() == DataType::HSTORE) {
return 'TEXT';
}
if ($type->getId() == DataType::UUID) {
return 'CHAR(4)';
}
return parent::typeToString($type);
}
public function typeToString(DataType $type)
{
if ($type->getId() == DataType::BINARY) {
return 'BYTEA';
}
if (defined('POSTGRES_IP4_ENABLED')) {
if ($type->getId() == DataType::IP) {
return 'ip4';
}
if ($type->getId() == DataType::IP_RANGE) {
return 'ip4r';
}
}
return parent::typeToString($type);
}
/**
* @throws ObjectNotFoundException
* @return DBTable
**/
public function getTableInfo($table)
{
static $types = ['time' => DataType::TIME, 'date' => DataType::DATE, 'timestamp' => DataType::TIMESTAMP, 'timestamptz' => DataType::TIMESTAMPTZ, 'timestamp with time zone' => DataType::TIMESTAMPTZ, 'bool' => DataType::BOOLEAN, 'int2' => DataType::SMALLINT, 'int4' => DataType::INTEGER, 'int8' => DataType::BIGINT, 'numeric' => DataType::NUMERIC, 'float4' => DataType::REAL, 'float8' => DataType::DOUBLE, 'varchar' => DataType::VARCHAR, 'bpchar' => DataType::CHAR, 'text' => DataType::TEXT, 'bytea' => DataType::BINARY, 'ip4' => DataType::IP, 'inet' => DataType::IP, 'ip4r' => DataType::IP_RANGE, 'hstore' => DataType::HSTORE, 'uuid' => DataType::UUID, 'json' => DataType::JSON, 'jsonb' => DataType::JSONB, 'tsvector' => null, 'ltree' => null];
try {
$res = pg_meta_data($this->link, $table);
} catch (BaseException $e) {
throw new ObjectNotFoundException("unknown table '{$table}'");
}
$table = new DBTable($table);
foreach ($res as $name => $info) {
Assert::isTrue(array_key_exists($info['type'], $types), 'unknown type "' . $types[$info['type']] . '" found in column "' . $name . '"');
if (empty($types[$info['type']])) {
continue;
}
$column = new DBColumn(DataType::create($types[$info['type']])->setNull(!$info['not null']), $name);
$table->addColumn($column);
}
return $table;
}
/**
* @return DialectString
* FIXME: DBI-result, method works only for PostgreSQL.
* Research how to generate series of values in MySQL and implement
* this.
**/
private function getSeriesGenerator($start, $stop, $step = null)
{
if (!$step) {
$result = SQLFunction::create('generate_series', DBValue::create($start)->castTo(DataType::create(DataType::INTEGER)->getName()), DBValue::create($stop)->castTo(DataType::create(DataType::INTEGER)->getName()));
} else {
$result = SQLFunction::create('generate_series', DBValue::create($start)->castTo(DataType::create(DataType::INTEGER)->getName()), DBValue::create($stop)->castTo(DataType::create(DataType::INTEGER)->getName()), DBValue::create($step)->castTo(DataType::create(DataType::INTEGER)->getName()));
}
return $result;
}
public function getTableInfo($table)
{
static $types = ['tinyint' => DataType::SMALLINT, 'smallint' => DataType::SMALLINT, 'int' => DataType::INTEGER, 'mediumint' => DataType::INTEGER, 'bigint' => DataType::BIGINT, 'double' => DataType::DOUBLE, 'decimal' => DataType::NUMERIC, 'char' => DataType::CHAR, 'varchar' => DataType::VARCHAR, 'text' => DataType::TEXT, 'tinytext' => DataType::TEXT, 'mediumtext' => DataType::TEXT, 'date' => DataType::DATE, 'time' => DataType::TIME, 'timestamp' => DataType::TIMESTAMP, 'datetime' => DataType::TIMESTAMP, 'set' => null, 'enum' => null, 'year' => null];
try {
$result = $this->queryRaw('SHOW COLUMNS FROM ' . $table);
} catch (BaseException $e) {
throw new ObjectNotFoundException("unknown table '{$table}'");
}
$table = new DBTable($table);
while ($row = mysqli_fetch_array($result)) {
$name = strtolower($row['Field']);
$matches = [];
$info = ['type' => null, 'extra' => null];
if (preg_match('~(\\w+)(\\((\\d+?)\\)){0,1}\\s*(\\w*)~', strtolower($row['Type']), $matches)) {
$info['type'] = $matches[1];
$info['size'] = $matches[3];
$info['extra'] = $matches[4];
}
Assert::isTrue(array_key_exists($info['type'], $types), 'unknown type "' . $types[$info['type']] . '" found in column "' . $name . '"');
if (empty($types[$info['type']])) {
continue;
}
$column = DBColumn::create(DataType::create($types[$info['type']])->setUnsigned(strtolower($info['extra']) == 'unsigned')->setNull(strtolower($row['Null']) == 'yes'), $name)->setAutoincrement(strtolower($row['Extra']) == 'auto_increment')->setPrimaryKey(strtolower($row['Key']) == 'pri');
if ($row['Default']) {
$column->setDefault($row['Default']);
}
$table->addColumn($column);
}
return $table;
}
