xorm	mysql	sqlite3	postgres	remark
BIT	BIT	INTEGER	BIT
TINYINT	TINYINT	INTEGER	SMALLINT
SMALLINT	SMALLINT	INTEGER	SMALLINT
MEDIUMINT	MEDIUMINT	INTEGER	INTEGER
INT	INT	INTEGER	INTEGER
INTEGER	INTEGER	INTEGER	INTEGER
BIGINT	BIGINT	INTEGER	BIGINT
CHAR	CHAR	TEXT	CHAR
VARCHAR	VARCHAR	TEXT	VARCHAR
TINYTEXT	TINYTEXT	TEXT	TEXT
TEXT	TEXT	TEXT	TEXT
MEDIUMTEXT	MEDIUMTEXT	TEXT	TEXT
LONGTEXT	LONGTEXT	TEXT	TEXT
BINARY	BINARY	BLOB	BYTEA
VARBINARY	VARBINARY	BLOB	BYTEA
DATE	DATE	NUMERIC	DATE
DATETIME	DATETIME	NUMERIC	TIMESTAMP
TIME	TIME	NUMERIC	TIME
TIMESTAMP	TIMESTAMP	NUMERIC	TIMESTAMP
TIMESTAMPZ	TEXT	TEXT	TIMESTAMP with zone	timestamp with zone info
REAL	REAL	REAL	REAL
FLOAT	FLOAT	REAL	REAL
DOUBLE	DOUBLE	REAL	DOUBLE PRECISION
DECIMAL	DECIMAL	NUMERIC	DECIMAL
NUMERIC	NUMERIC	NUMERIC	NUMERIC
TINYBLOB	TINYBLOB	BLOB	BYTEA
BLOB	BLOB	BLOB	BYTEA
MEDIUMBLOB	MEDIUMBLOB	BLOB	BYTEA
LONGBLOB	LONGBLOB	BLOB	BYTEA
BYTEA	BLOB	BLOB	BYTEA
BOOL	TINYINT	INTEGER	BOOLEAN
SERIAL	INT	INTEGER	SERIAL	auto increment
BIGSERIAL	BIGINT	INTEGER	BIGSERIAL	auto increment