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<?php /* vim: set expandtab sw=4 ts=4 sts=4: */ /** * SQL data types definition * * @package PhpMyAdmin */ declare(strict_types=1); namespace PhpMyAdmin; use PhpMyAdmin\DatabaseInterface; /** * Class holding type definitions for MySQL and MariaDB. * * @package PhpMyAdmin */ class Types { /** * @var DatabaseInterface Database interface */ private $_dbi; /** * Constructor * * @param DatabaseInterface $dbi Database interface instance */ public function __construct($dbi) { $this->_dbi = $dbi; } /** * Returns list of unary operators. * * @return string[] */ public function getUnaryOperators() { return [ 'IS NULL', 'IS NOT NULL', "= ''", "!= ''", ]; } /** * Check whether operator is unary. * * @param string $op operator name * * @return boolean */ public function isUnaryOperator($op) { return in_array($op, $this->getUnaryOperators()); } /** * Returns list of operators checking for NULL. * * @return string[] */ public function getNullOperators() { return [ 'IS NULL', 'IS NOT NULL', ]; } /** * ENUM search operators * * @return string[] */ public function getEnumOperators() { return [ '=', '!=', ]; } /** * TEXT search operators * * @return string[] */ public function getTextOperators() { return [ 'LIKE', 'LIKE %...%', 'NOT LIKE', '=', '!=', 'REGEXP', 'REGEXP ^...$', 'NOT REGEXP', "= ''", "!= ''", 'IN (...)', 'NOT IN (...)', 'BETWEEN', 'NOT BETWEEN', ]; } /** * Number search operators * * @return string[] */ public function getNumberOperators() { return [ '=', '>', '>=', '<', '<=', '!=', 'LIKE', 'LIKE %...%', 'NOT LIKE', 'IN (...)', 'NOT IN (...)', 'BETWEEN', 'NOT BETWEEN', ]; } /** * Returns operators for given type * * @param string $type Type of field * @param boolean $null Whether field can be NULL * * @return string[] */ public function getTypeOperators($type, $null) { $ret = []; $class = $this->getTypeClass($type); if (strncasecmp($type, 'enum', 4) == 0) { $ret = array_merge($ret, $this->getEnumOperators()); } elseif ($class == 'CHAR') { $ret = array_merge($ret, $this->getTextOperators()); } else { $ret = array_merge($ret, $this->getNumberOperators()); } if ($null) { $ret = array_merge($ret, $this->getNullOperators()); } return $ret; } /** * Returns operators for given type as html options * * @param string $type Type of field * @param boolean $null Whether field can be NULL * @param string $selectedOperator Option to be selected * * @return string Generated Html */ public function getTypeOperatorsHtml($type, $null, $selectedOperator = null) { $html = ''; foreach ($this->getTypeOperators($type, $null) as $fc) { if (isset($selectedOperator) && $selectedOperator == $fc) { $selected = ' selected="selected"'; } else { $selected = ''; } $html .= '<option value="' . htmlspecialchars($fc) . '"' . $selected . '>' . htmlspecialchars($fc) . '</option>'; } return $html; } /** * Returns the data type description. * * @param string $type The data type to get a description. * * @return string * */ public function getTypeDescription($type) { $type = mb_strtoupper($type); switch ($type) { case 'TINYINT': return __( 'A 1-byte integer, signed range is -128 to 127, unsigned range is ' . '0 to 255' ); case 'SMALLINT': return __( 'A 2-byte integer, signed range is -32,768 to 32,767, unsigned ' . 'range is 0 to 65,535' ); case 'MEDIUMINT': return __( 'A 3-byte integer, signed range is -8,388,608 to 8,388,607, ' . 'unsigned range is 0 to 16,777,215' ); case 'INT': return __( 'A 4-byte integer, signed range is ' . '-2,147,483,648 to 2,147,483,647, unsigned range is 0 to ' . '4,294,967,295' ); case 'BIGINT': return __( 'An 8-byte integer, signed range is -9,223,372,036,854,775,808 ' . 'to 9,223,372,036,854,775,807, unsigned range is 0 to ' . '18,446,744,073,709,551,615' ); case 'DECIMAL': return __( 'A fixed-point number (M, D) - the maximum number of digits (M) ' . 'is 65 (default 10), the maximum number of decimals (D) is 30 ' . '(default 0)' ); case 'FLOAT': return __( 'A small floating-point number, allowable values are ' . '-3.402823466E+38 to -1.175494351E-38, 0, and 1.175494351E-38 to ' . '3.402823466E+38' ); case 'DOUBLE': return __( 'A double-precision floating-point number, allowable values are ' . '-1.7976931348623157E+308 to -2.2250738585072014E-308, 0, and ' . '2.2250738585072014E-308 to 1.7976931348623157E+308' ); case 'REAL': return __( 'Synonym for DOUBLE (exception: in REAL_AS_FLOAT SQL mode it is ' . 'a synonym for FLOAT)' ); case 'BIT': return __( 'A bit-field type (M), storing M of bits per value (default is 1, ' . 'maximum is 64)' ); case 'BOOLEAN': return __( 'A synonym for TINYINT(1), a value of zero is considered false, ' . 'nonzero values are considered true' ); case 'SERIAL': return __('An alias for BIGINT UNSIGNED NOT NULL AUTO_INCREMENT UNIQUE'); case 'DATE': return sprintf( __('A date, supported range is %1$s to %2$s'), '1000-01-01', '9999-12-31' ); case 'DATETIME': return sprintf( __('A date and time combination, supported range is %1$s to %2$s'), '1000-01-01 00:00:00', '9999-12-31 23:59:59' ); case 'TIMESTAMP': return __( 'A timestamp, range is 1970-01-01 00:00:01 UTC to 2038-01-09 ' . '03:14:07 UTC, stored as the number of seconds since the epoch ' . '(1970-01-01 00:00:00 UTC)' ); case 'TIME': return sprintf( __('A time, range is %1$s to %2$s'), '-838:59:59', '838:59:59' ); case 'YEAR': return __( "A year in four-digit (4, default) or two-digit (2) format, the " . "allowable values are 70 (1970) to 69 (2069) or 1901 to 2155 and " . "0000" ); case 'CHAR': return __( 'A fixed-length (0-255, default 1) string that is always ' . 'right-padded with spaces to the specified length when stored' ); case 'VARCHAR': return sprintf( __( 'A variable-length (%s) string, the effective maximum length ' . 'is subject to the maximum row size' ), '0-65,535' ); case 'TINYTEXT': return __( 'A TEXT column with a maximum length of 255 (2^8 - 1) characters, ' . 'stored with a one-byte prefix indicating the length of the value ' . 'in bytes' ); case 'TEXT': return __( 'A TEXT column with a maximum length of 65,535 (2^16 - 1) ' . 'characters, stored with a two-byte prefix indicating the length ' . 'of the value in bytes' ); case 'MEDIUMTEXT': return __( 'A TEXT column with a maximum length of 16,777,215 (2^24 - 1) ' . 'characters, stored with a three-byte prefix indicating the ' . 'length of the value in bytes' ); case 'LONGTEXT': return __( 'A TEXT column with a maximum length of 4,294,967,295 or 4GiB ' . '(2^32 - 1) characters, stored with a four-byte prefix indicating ' . 'the length of the value in bytes' ); case 'BINARY': return __( 'Similar to the CHAR type, but stores binary byte strings rather ' . 'than non-binary character strings' ); case 'VARBINARY': return __( 'Similar to the VARCHAR type, but stores binary byte strings ' . 'rather than non-binary character strings' ); case 'TINYBLOB': return __( 'A BLOB column with a maximum length of 255 (2^8 - 1) bytes, ' . 'stored with a one-byte prefix indicating the length of the value' ); case 'MEDIUMBLOB': return __( 'A BLOB column with a maximum length of 16,777,215 (2^24 - 1) ' . 'bytes, stored with a three-byte prefix indicating the length of ' . 'the value' ); case 'BLOB': return __( 'A BLOB column with a maximum length of 65,535 (2^16 - 1) bytes, ' . 'stored with a two-byte prefix indicating the length of the value' ); case 'LONGBLOB': return __( 'A BLOB column with a maximum length of 4,294,967,295 or 4GiB ' . '(2^32 - 1) bytes, stored with a four-byte prefix indicating the ' . 'length of the value' ); case 'ENUM': return __( "An enumeration, chosen from the list of up to 65,535 values or " . "the special '' error value" ); case 'SET': return __("A single value chosen from a set of up to 64 members"); case 'GEOMETRY': return __('A type that can store a geometry of any type'); case 'POINT': return __('A point in 2-dimensional space'); case 'LINESTRING': return __('A curve with linear interpolation between points'); case 'POLYGON': return __('A polygon'); case 'MULTIPOINT': return __('A collection of points'); case 'MULTILINESTRING': return __( 'A collection of curves with linear interpolation between points' ); case 'MULTIPOLYGON': return __('A collection of polygons'); case 'GEOMETRYCOLLECTION': return __('A collection of geometry objects of any type'); case 'JSON': return __( 'Stores and enables efficient access to data in JSON' . ' (JavaScript Object Notation) documents' ); } return ''; } /** * Returns class of a type, used for functions available for type * or default values. * * @param string $type The data type to get a class. * * @return string * */ public function getTypeClass($type) { $type = mb_strtoupper((string) $type); switch ($type) { case 'TINYINT': case 'SMALLINT': case 'MEDIUMINT': case 'INT': case 'BIGINT': case 'DECIMAL': case 'FLOAT': case 'DOUBLE': case 'REAL': case 'BIT': case 'BOOLEAN': case 'SERIAL': return 'NUMBER'; case 'DATE': case 'DATETIME': case 'TIMESTAMP': case 'TIME': case 'YEAR': return 'DATE'; case 'CHAR': case 'VARCHAR': case 'TINYTEXT': case 'TEXT': case 'MEDIUMTEXT': case 'LONGTEXT': case 'BINARY': case 'VARBINARY': case 'TINYBLOB': case 'MEDIUMBLOB': case 'BLOB': case 'LONGBLOB': case 'ENUM': case 'SET': return 'CHAR'; case 'GEOMETRY': case 'POINT': case 'LINESTRING': case 'POLYGON': case 'MULTIPOINT': case 'MULTILINESTRING': case 'MULTIPOLYGON': case 'GEOMETRYCOLLECTION': return 'SPATIAL'; case 'JSON': return 'JSON'; } return ''; } /** * Returns array of functions available for a class. * * @param string $class The class to get function list. * * @return string[] * */ public function getFunctionsClass($class) { $isMariaDB = $this->_dbi->isMariaDB(); $serverVersion = $this->_dbi->getVersion(); switch ($class) { case 'CHAR': $ret = [ 'AES_DECRYPT', 'AES_ENCRYPT', 'BIN', 'CHAR', 'COMPRESS', 'CURRENT_USER', 'DATABASE', 'DAYNAME', 'DES_DECRYPT', 'DES_ENCRYPT', 'ENCRYPT', 'HEX', 'INET6_NTOA', 'INET_NTOA', 'LOAD_FILE', 'LOWER', 'LTRIM', 'MD5', 'MONTHNAME', 'OLD_PASSWORD', 'PASSWORD', 'QUOTE', 'REVERSE', 'RTRIM', 'SHA1', 'SOUNDEX', 'SPACE', 'TRIM', 'UNCOMPRESS', 'UNHEX', 'UPPER', 'USER', 'UUID', 'VERSION', ]; if (($isMariaDB && $serverVersion < 100012) || $serverVersion < 50603 ) { $ret = array_diff($ret, ['INET6_NTOA']); } return $ret; case 'DATE': return [ 'CURRENT_DATE', 'CURRENT_TIME', 'DATE', 'FROM_DAYS', 'FROM_UNIXTIME', 'LAST_DAY', 'NOW', 'SEC_TO_TIME', 'SYSDATE', 'TIME', 'TIMESTAMP', 'UTC_DATE', 'UTC_TIME', 'UTC_TIMESTAMP', 'YEAR', ]; case 'NUMBER': $ret = [ 'ABS', 'ACOS', 'ASCII', 'ASIN', 'ATAN', 'BIT_LENGTH', 'BIT_COUNT', 'CEILING', 'CHAR_LENGTH', 'CONNECTION_ID', 'COS', 'COT', 'CRC32', 'DAYOFMONTH', 'DAYOFWEEK', 'DAYOFYEAR', 'DEGREES', 'EXP', 'FLOOR', 'HOUR', 'INET6_ATON', 'INET_ATON', 'LENGTH', 'LN', 'LOG', 'LOG2', 'LOG10', 'MICROSECOND', 'MINUTE', 'MONTH', 'OCT', 'ORD', 'PI', 'QUARTER', 'RADIANS', 'RAND', 'ROUND', 'SECOND', 'SIGN', 'SIN', 'SQRT', 'TAN', 'TO_DAYS', 'TO_SECONDS', 'TIME_TO_SEC', 'UNCOMPRESSED_LENGTH', 'UNIX_TIMESTAMP', 'UUID_SHORT', 'WEEK', 'WEEKDAY', 'WEEKOFYEAR', 'YEARWEEK', ]; if (($isMariaDB && $serverVersion < 100012) || $serverVersion < 50603 ) { $ret = array_diff($ret, ['INET6_ATON']); } return $ret; case 'SPATIAL': if ($serverVersion >= 50600) { return [ 'ST_GeomFromText', 'ST_GeomFromWKB', 'ST_GeomCollFromText', 'ST_LineFromText', 'ST_MLineFromText', 'ST_PointFromText', 'ST_MPointFromText', 'ST_PolyFromText', 'ST_MPolyFromText', 'ST_GeomCollFromWKB', 'ST_LineFromWKB', 'ST_MLineFromWKB', 'ST_PointFromWKB', 'ST_MPointFromWKB', 'ST_PolyFromWKB', 'ST_MPolyFromWKB', ]; } else { return [ 'GeomFromText', 'GeomFromWKB', 'GeomCollFromText', 'LineFromText', 'MLineFromText', 'PointFromText', 'MPointFromText', 'PolyFromText', 'MPolyFromText', 'GeomCollFromWKB', 'LineFromWKB', 'MLineFromWKB', 'PointFromWKB', 'MPointFromWKB', 'PolyFromWKB', 'MPolyFromWKB', ]; } } return []; } /** * Returns array of functions available for a type. * * @param string $type The data type to get function list. * * @return string[] * */ public function getFunctions($type) { $class = $this->getTypeClass($type); return $this->getFunctionsClass($class); } /** * Returns array of all functions available. * * @return string[] * */ public function getAllFunctions() { $ret = array_merge( $this->getFunctionsClass('CHAR'), $this->getFunctionsClass('NUMBER'), $this->getFunctionsClass('DATE'), $this->getFunctionsClass('UUID') ); sort($ret); return $ret; } /** * Returns array of all attributes available. * * @return string[] * */ public function getAttributes() { return [ '', 'BINARY', 'UNSIGNED', 'UNSIGNED ZEROFILL', 'on update CURRENT_TIMESTAMP', ]; } /** * Returns array of all column types available. * * VARCHAR, TINYINT, TEXT and DATE are listed first, based on * estimated popularity. * * @return string[] * */ public function getColumns() { $isMariaDB = $this->_dbi->isMariaDB(); $serverVersion = $this->_dbi->getVersion(); // most used types $ret = [ 'INT', 'VARCHAR', 'TEXT', 'DATE', ]; // numeric $ret[_pgettext('numeric types', 'Numeric')] = [ 'TINYINT', 'SMALLINT', 'MEDIUMINT', 'INT', 'BIGINT', '-', 'DECIMAL', 'FLOAT', 'DOUBLE', 'REAL', '-', 'BIT', 'BOOLEAN', 'SERIAL', ]; // Date/Time $ret[_pgettext('date and time types', 'Date and time')] = [ 'DATE', 'DATETIME', 'TIMESTAMP', 'TIME', 'YEAR', ]; // Text $ret[_pgettext('string types', 'String')] = [ 'CHAR', 'VARCHAR', '-', 'TINYTEXT', 'TEXT', 'MEDIUMTEXT', 'LONGTEXT', '-', 'BINARY', 'VARBINARY', '-', 'TINYBLOB', 'BLOB', 'MEDIUMBLOB', 'LONGBLOB', '-', 'ENUM', 'SET', ]; $ret[_pgettext('spatial types', 'Spatial')] = [ 'GEOMETRY', 'POINT', 'LINESTRING', 'POLYGON', 'MULTIPOINT', 'MULTILINESTRING', 'MULTIPOLYGON', 'GEOMETRYCOLLECTION', ]; if (($isMariaDB && $serverVersion > 100207) || (! $isMariaDB && $serverVersion >= 50708)) { $ret['JSON'] = [ 'JSON', ]; } return $ret; } /** * Returns an array of integer types * * @return string[] integer types */ public function getIntegerTypes() { return [ 'tinyint', 'smallint', 'mediumint', 'int', 'bigint', ]; } /** * Returns the min and max values of a given integer type * * @param string $type integer type * @param boolean $signed whether signed * * @return string[] min and max values */ public function getIntegerRange($type, $signed = true) { static $min_max_data = [ 'unsigned' => [ 'tinyint' => [ '0', '255', ], 'smallint' => [ '0', '65535', ], 'mediumint' => [ '0', '16777215', ], 'int' => [ '0', '4294967295', ], 'bigint' => [ '0', '18446744073709551615', ], ], 'signed' => [ 'tinyint' => [ '-128', '127', ], 'smallint' => [ '-32768', '32767', ], 'mediumint' => [ '-8388608', '8388607', ], 'int' => [ '-2147483648', '2147483647', ], 'bigint' => [ '-9223372036854775808', '9223372036854775807', ], ], ]; $relevantArray = $signed ? $min_max_data['signed'] : $min_max_data['unsigned']; return isset($relevantArray[$type]) ? $relevantArray[$type] : [ '', '', ]; } }