public function testDecode()
{
$db = $this->getDb();
$adapter = new SqliteTypeAdapter($db);
$this->assertNull($adapter->decode(DataType::integer(), null));
$this->assertSame(15, $adapter->decode(DataType::integer(), '15'));
$this->assertSame(33.0, $adapter->decode(DataType::float(), 33));
$this->assertSame(true, $adapter->decode(DataType::boolean(), 1));
$this->assertSame(false, $adapter->decode(DataType::boolean(), 0));
$this->assertSame(4242, $adapter->decode(DataType::date(), 4242));
$this->assertSame(4242, $adapter->decode(DataType::dateTime(), 4242));
$this->assertSame('foo bar baz', $adapter->decode(DataType::string(), 'foo bar baz'));
$this->assertSame([], $adapter->decode(DataType::object(), '[]'));
}
public function testDecode()
{
$db = $this->getDb();
$adapter = new PostgresqlTypeAdapter($db);
$this->assertNull($adapter->decode(DataType::integer(), null));
$this->assertSame(15, $adapter->decode(DataType::integer(), '15'));
$this->assertSame(33.0, $adapter->decode(DataType::float(), 33));
$this->assertSame(true, $adapter->decode(DataType::boolean(), 1));
$this->assertSame(false, $adapter->decode(DataType::boolean(), 0));
$time = time();
$encoded = $adapter->encode(DataType::dateTime(), $time);
$this->assertTrue(preg_match('/^"(\\d{4}-\\d{2}-\\d{2} \\d{2}:\\d{2}:\\d{2})"$/', $encoded, $matches) === 1);
$this->assertEquals($time, $adapter->decode(DataType::dateTime(), $matches[1]));
$this->assertSame('foo bar baz', $adapter->decode(DataType::string(), 'foo bar baz'));
$this->assertSame([], $adapter->decode(DataType::object(), '[]'));
}
/**
*
* @param string $expression
* @return ParseInput
*/
public static function lex($expression, $vars = array())
{
$lexer = new RegexLexer(true, 'i');
$lexer->is = 'is';
$lexer->not = 'not';
$lexer->bool = 'true|false';
$lexer->null = 'null';
$lexer->operator = 'like|in|!=|<>|>=|<=|!<|!>|=|<|>|and|or';
$lexer->dot = '\\.';
$lexer->name = '[a-z][a-z0-9]*';
$lexer->model = '\\{(.+?)\\}';
$lexer->modelPlaceholder = '%(model|m)';
$lexer->field = '\\[(.+?)\\]';
$lexer->fieldPlaceholder = '%(column|field|c)';
$lexer->number = '-?(0|[1-9]\\d*)(\\.\\d+)?([eE][+-]?\\d+)?';
$lexer->string = '"((?:[^"\\\\]|\\\\.)*)"';
$lexer->placeholder = '((\\?)|%([a-z_\\\\]+))(\\(\\))?';
$lexer->map('model', function ($value, $matches) {
return $matches[1];
});
$lexer->map('field', function ($value, $matches) {
return $matches[1];
});
$lexer->map('number', function ($value) {
if (strpos($value, '.') !== false or stripos($value, 'e') !== false) {
return new Literal(DataType::float(), floatval($value));
} else {
return new Literal(DataType::integer(), intval($value));
}
});
$lexer->mapType('number', 'literal');
$lexer->map('string', function ($value, $matches) {
return new Literal(DataType::text(), stripslashes($matches[1]));
});
$lexer->mapType('string', 'literal');
$lexer->map('bool', function ($value) {
return new Literal(DataType::boolean(), strtolower($value) == 'true');
});
$lexer->mapType('bool', 'literal');
$lexer->map('model', function ($value, $matches) {
return $matches[1];
});
$lexer->map('field', function ($value, $matches) {
return $matches[1];
});
$i = 0;
$lexer->map('modelPlaceholder', function ($value, $matches) use(&$i, $vars) {
$value = $vars[$i];
$i++;
if (!is_string($value)) {
Assume::that($value instanceof Model);
$value = $value->getName();
}
return $value;
});
$lexer->mapType('modelPlaceholder', 'model');
$lexer->map('fieldPlaceholder', function ($value, $matches) use(&$i, $vars) {
$value = $vars[$i];
$i++;
Assume::that(is_string($value));
return $value;
});
$lexer->mapType('fieldPlaceholder', 'field');
$lexer->map('placeholder', function ($value, $matches) use(&$i, $vars) {
$value = $vars[$i];
$i++;
$type = null;
if (isset($matches[3])) {
if ($matches[3] == '_') {
if (!is_string($value)) {
Assume::that($value instanceof DataType);
$value = $value->placeholder;
}
$matches[3] = ltrim($value, '%');
$value = $vars[$i];
$i++;
}
if ($matches[3] == 'e' or $matches[3] == 'expr' or $matches[3] == 'expression') {
Assume::that($value instanceof Expression);
return $value;
}
if ($matches[3] != '()') {
$type = DataType::fromPlaceholder($matches[3]);
}
}
if (!isset($type)) {
$type = DataType::detectType($value);
}
if (isset($matches[4]) or isset($matches[3]) and $matches[3] == '()') {
Assume::isArray($value);
foreach ($value as $key => $v) {
$value[$key] = $v;
}
return new ArrayLiteral($type, $value);
}
return new Literal($type, $value);
});
$lexer->mapType('placeholder', 'literal');
return new ParseInput($lexer($expression));
}
/**
* Convert output of SHOW COLUMN to DataType.
*
* @param array $row
* Row result.
* @throws TypeException If type unsupported.
* @return DataType The type.
*/
private function toDataType($row)
{
$null = (isset($row['Null']) and $row['Null'] != 'NO');
$default = null;
if (isset($row['Default'])) {
$default = $row['Default'];
}
if (preg_match('/enum\\((.+)\\)/i', $row['Type'], $matches) === 1) {
preg_match_all('/\'([^\']+)\'/', $matches[1], $matches);
$values = $matches[1];
return DataType::enum($values, $null, $default);
}
preg_match('/ *([^ (]+) *(\\(([0-9]+)\\))? *(unsigned)? *?/i', $row['Type'], $matches);
$actualType = strtolower($matches[1]);
$length = isset($matches[3]) ? intval($matches[3]) : 0;
$intFlags = 0;
if (isset($matches[4])) {
$intFlags |= DataType::UNSIGNED;
}
if (strpos($row['Extra'], 'auto_increment') !== false) {
$intFlags |= DataType::SERIAL;
}
switch ($actualType) {
case 'bigint':
$intFlags |= DataType::BIG;
return DataType::integer($intFlags, $null, isset($default) ? intval($default) : null);
case 'smallint':
$intFlags |= DataType::SMALL;
return DataType::integer($intFlags, $null, isset($default) ? intval($default) : null);
case 'tinyint':
$intFlags |= DataType::TINY;
return DataType::integer($intFlags, $null, isset($default) ? intval($default) : null);
case 'int':
return DataType::integer($intFlags, $null, isset($default) ? intval($default) : null);
case 'double':
return DataType::float($null, isset($default) ? floatval($default) : null);
case 'varchar':
return DataType::string($length, $null, $default);
case 'blob':
return DataType::binary($null, $default);
case 'date':
return DataType::date($null, isset($default) ? strtotime($default . ' UTC') : null);
case 'datetime':
return DataType::dateTime($null, isset($default) ? strtotime($default . ' UTC') : null);
case 'text':
return DataType::text($null, $default);
}
throw new TypeException('Unsupported MySQL type for column: ' . $row['Field']);
}
/**
* Convert output of PRAGMA to DataType.
*
* @param array $row
* Row result.
* @throws TypeException If type unsupported.
* @return DataType The type.
*/
private function toDataType($row)
{
if (preg_match('/ *([^ (]+) *(\\(([0-9]+)\\))? */i', $row['type'], $matches) !== 1) {
throw new TypeException('Cannot read type "' . $row['type'] . '" for column: ' . $row['name']);
}
$actualType = strtolower($matches[1]);
$length = isset($matches[3]) ? $matches[3] : 0;
$null = (isset($row['notnull']) and $row['notnull'] != '1');
$default = null;
if (isset($row['dflt_value'])) {
$default = stripslashes(preg_replace('/^\'|\'$/', '', $row['dflt_value']));
}
switch ($actualType) {
case 'integer':
return DataType::integer(DataType::BIG, $null, isset($default) ? intval($default) : null);
case 'real':
return DataType::float($null, isset($default) ? floatval($default) : null);
case 'text':
return DataType::text($null, $default);
case 'blob':
return DataType::binary($null, $default);
}
throw new TypeException('Unsupported SQLite type for column: ' . $row['name']);
}
/**
* Convert output of SHOW COLUMN to DataType.
*
* @param array $row
* Row result.
* @throws TypeException If type unsupported.
* @return DataType The type.
*/
private function toDataType($row)
{
$null = $row['is_nullable'] != 'NO';
$default = null;
if (isset($row['column_default'])) {
$default = $row['column_default'];
}
$type = $row['data_type'];
if (strpos($type, 'int') !== false) {
$intFlags = 0;
if (preg_match('/^nextval\\(/', $default) === 1) {
$intFlags = DataType::SERIAL;
$default = null;
} elseif (isset($default)) {
$default = intval($default);
}
if (strpos($type, 'bigint') !== false) {
return DataType::integer($intFlags | DataType::BIG, $null, $default);
}
if (strpos($type, 'smallint') !== false) {
return DataType::integer($intFlags | DataType::SMALL, $null, $default);
}
return DataType::integer($intFlags, $null, $default);
}
if (strpos($type, 'double') !== false) {
return DataType::float($null, isset($default) ? floatval($default) : null);
}
if (strpos($type, 'bool') !== false) {
return DataType::boolean($null, isset($default) ? boolval($default) : null);
}
if (preg_match("/^'(.*)'::[a-z ]+\$/", $default, $matches) === 1) {
$default = $matches[1];
} else {
$default = null;
}
if (strpos($type, 'character') !== false) {
$length = intval($row['character_maximum_length']);
return DataType::string($length, $null, $default);
}
if (strpos($type, 'date') !== false) {
return DataType::date($null, isset($default) ? strtotime($default . ' UTC') : null);
}
if (strpos($type, 'timestamp') !== false) {
return DataType::dateTime($null, isset($default) ? strtotime($default . ' UTC') : null);
}
if (strpos($type, 'text') !== false) {
return DataType::text($null, $default);
}
throw new TypeException('Unsupported PostgreSQL type "' . $row['data_type'] . '" for column: ' . $row['column_name']);
}
