Data Types
Version 0.3.1

The table below shows all the built-in general-purpose data types. The alternatives listed in the aliases column can be used to refer to these types as well, however, note that the aliases are not part of the SQL standard and hence might not be accepted by other database engines.

Name Aliases Description
BIGINT INT8, LONG signed eight-byte integer
BOOLEAN BOOL, LOGICAL logical boolean (true/false)
BLOB BYTEA, BINARY, VARBINARY variable-length binary data
DATE   calendar date (year, month day)
DOUBLE FLOAT8, NUMERIC, DECIMAL double precision floating-point number (8 bytes)
DECIMAL(s, p)   fixed-precision floating point number with the given scale and precision
HUGEINT   signed sixteen-byte integer
INTEGER INT4, INT, SIGNED signed four-byte integer
REAL FLOAT4, FLOAT single precision floating-point number (4 bytes)
SMALLINT INT2, SHORT signed two-byte integer
TIME   time of day (no time zone)
TIMESTAMP DATETIME combination of time and date
TINYINT INT1 signed one-byte integer
UBIGINT   unsigned eight-byte integer
UINTEGER   unsigned four-byte integer
USMALLINT   unsigned two-byte integer
UTINYINT   unsigned one-byte integer
UUID   UUID data type
VARCHAR CHAR, BPCHAR, TEXT, STRING variable-length character string

In addition, the composite types ROW, MAP and ARRAY are supported.

  • (Multi-dimensional) arrays can be created by appending square brackets [] after the type, e.g. INT[] to create an integer array.
  • ROW can be created by specifying the individual columns that reside within the row, e.g. ROW(a INTEGER, b VARCHAR). Note that rows can be nested, and can also contain arrays.


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