gravitino.api.types.types.Types¶

class gravitino.api.types.types.Types¶

Bases: object

The helper class for Type. It contains all built-in types and provides utility methods.

__init__()¶

Methods

`__init__`()
`allow_auto_increment`(data_type)	Checks if the given data type is allowed to be an auto-increment column.

class BinaryType¶

Bases: PrimitiveType

name() → Name¶: Returns the generic name of the type.

simple_string() → str¶: Returns a readable string representation of the type.

class BooleanType¶

Bases: PrimitiveType

The boolean type in Gravitino.

name() → Name¶: Returns the generic name of the type.

simple_string() → str¶: Returns a readable string representation of the type.

class ByteType(signed: bool = True)¶

Bases: IntegralType

The byte type in Gravitino.

name() → Name¶: Returns the generic name of the type.

signed() → bool¶: Returns True if the integer type is signed, False otherwise.

simple_string() → str¶: Returns a readable string representation of the type.

class DateType¶

Bases: DateTimeType

The date time type in Gravitino.

name() → Name¶: Returns the generic name of the type.

simple_string() → str¶: Returns a readable string representation of the type.

class DecimalType(precision: int, scale: int)¶

Bases: FractionType

The decimal type in Gravitino.

static check_precision_scale(precision: int, scale: int)¶

Ensures the precision and scale values are within valid range.

Args:: precision: The precision of the decimal. scale: The scale of the decimal.

name() → Name¶: Returns the generic name of the type.

simple_string() → str¶: Returns a readable string representation of the type.

class DoubleType¶

Bases: FractionType

name() → Name¶: Returns the generic name of the type.

simple_string() → str¶: Returns a readable string representation of the type.

class ExternalType(catalog_string: str)¶

Bases: Type

Represents a type that is defined in an external catalog.

name() → Name¶: Returns the generic name of the type.

classmethod of(catalog_string: str) → ExternalType¶

Creates a new ExternalType with the given catalog string.

Args:: catalog_string The string representation of this type in the catalog.
Returns:: A new ExternalType instance.

simple_string() → str¶: Returns a readable string representation of the type.

class FixedCharType(length: int)¶

Bases: PrimitiveType

The fixed char type in Gravitino.

name() → Name¶: Returns the generic name of the type.

simple_string() → str¶: Returns a readable string representation of the type.

class FixedType(length: int)¶

Bases: PrimitiveType

Fixed-length byte array type, if you want to use variable-length byte array, use BinaryType instead.

name() → Name¶: Returns the generic name of the type.

classmethod of(length: int) → FixedType¶

Args:: length: The length of the fixed type.
Returns:: A FixedType instance with the given length.

simple_string() → str¶: Returns a readable string representation of the type.

class FloatType¶

Bases: FractionType

name() → Name¶: Returns the generic name of the type.

simple_string() → str¶: Returns a readable string representation of the type.

class IntegerType(signed=True)¶

Bases: IntegralType

name() → Name¶: Returns the generic name of the type.

signed() → bool¶: Returns True if the integer type is signed, False otherwise.

simple_string() → str¶: Returns a readable string representation of the type.

class IntervalDayType¶

Bases: IntervalType

The interval day type in Gravitino.

name() → Name¶: Returns the generic name of the type.

simple_string() → str¶: Returns a readable string representation of the type.

class IntervalYearType¶

Bases: IntervalType

The interval year type in Gravitino.

name() → Name¶: Returns the generic name of the type.

simple_string() → str¶: Returns a readable string representation of the type.

class ListType(element_type: Type, element_nullable: bool)¶

Bases: ComplexType

A list type. Note, this type is not supported in the current version of Gravitino.

name() → Name¶: Returns the generic name of the type.

classmethod not_null(element_type: Type) → ListType¶

Create a new ListType with the given element type.

Args:: element_type: The element type of the list.
Returns:: A new ListType instance.

classmethod nullable(element_type: Type) → ListType¶

Create a new ListType with the given element type and the type is nullable.

Args:: element_type: The element type of the list.
Returns:: A new ListType instance.

classmethod of(element_type: Type, element_nullable: bool) → ListType¶

Create a new ListType with the given element type and whether the element is nullable.

Args:: element_type: The element type of the list. element_nullable: Whether the element of the list is nullable.
Returns: A new ListType instance.

simple_string() → str¶: Returns a readable string representation of the type.

class LongType(signed=True)¶

Bases: IntegralType

name() → Name¶: Returns the generic name of the type.

signed() → bool¶: Returns True if the integer type is signed, False otherwise.

simple_string() → str¶: Returns a readable string representation of the type.

class MapType(key_type: Type, value_type: Type, value_nullable: bool)¶

Bases: ComplexType

The map type in Gravitino. Note, this type is not supported in the current version of Gravitino.

name() → Name¶: Returns the generic name of the type.

classmethod of(key_type: Type, value_type: Type, value_nullable: bool) → MapType¶

Create a new MapType with the given key type, value type, and whether the value is nullable.

Args:: key_type: The key type of the map. value_type: The value type of the map. value_nullable: Whether the value of the map is nullable.
Returns:: A new MapType instance.

simple_string() → str¶: Returns a readable string representation of the type.

classmethod value_not_null(key_type: Type, value_type: Type) → MapType¶

Create a new MapType with the given key type, value type, and the value is not nullable.

Args:: key_type: The key type of the map. value_type: The value type of the map.
Returns:: A new MapType instance.

classmethod value_nullable(key_type: Type, value_type: Type) → MapType¶

Create a new MapType with the given key type, value type, and the value is nullable.

Args:: key_type: The key type of the map. value_type: The value type of the map.
Returns:: A new MapType instance.

class NullType¶

Bases: Type

The data type representing NULL values.

name() → Name¶: Returns the generic name of the type.

simple_string() → str¶: Returns a readable string representation of the type.

class ShortType(signed=True)¶

Bases: IntegralType

name() → Name¶: Returns the generic name of the type.

signed() → bool¶: Returns True if the integer type is signed, False otherwise.

simple_string() → str¶: Returns a readable string representation of the type.

class StringType¶

Bases: PrimitiveType

The string type in Gravitino, equivalent to varchar(MAX), which the MAX is determined by the underlying catalog.

name() → Name¶: Returns the generic name of the type.

simple_string() → str¶: Returns a readable string representation of the type.

class StructType(fields: List[Field])¶

Bases: ComplexType

The struct type in Gravitino. Note, this type is not supported in the current version of Gravitino.

name() → Name¶: Returns the generic name of the type.

classmethod of(*fields) → StructType¶

Args:: fields: The fields of the struct type.
Returns:: A StructType instance with the given fields.

simple_string() → str¶: Returns a readable string representation of the type.

class TimeType¶

Bases: DateTimeType

name() → Name¶: Returns the generic name of the type.

simple_string() → str¶: Returns a readable string representation of the type.

class TimestampType(with_time_zone: bool)¶

Bases: DateTimeType

name() → Name¶: Returns the generic name of the type.

simple_string() → str¶: Returns a readable string representation of the type.

class UUIDType¶

Bases: PrimitiveType

The uuid type in Gravitino.

name() → Name¶: Returns the generic name of the type.

simple_string() → str¶: Returns a readable string representation of the type.

class UnionType(types: list[Type])¶

Bases: ComplexType

The union type in Gravitino. Note, this type is not supported in the current version of Gravitino.

name() → Name¶: Returns the generic name of the type.

classmethod of(*types: Type) → UnionType¶

Create a new UnionType with the given types.

Args:: types: The types of the union.
Returns:: A new UnionType instance.

simple_string() → str¶: Returns a readable string representation of the type.

class UnparsedType(unparsed_type: str)¶

Bases: Type

Represents a type that is not parsed yet. The parsed type is represented by other types of types.

name() → Name¶: Returns the generic name of the type.

classmethod of(unparsed_type: str) → UnparsedType¶

Creates a new unparsed_type with the given unparsed type.

Args:: unparsed_type The unparsed type.
Returns: A new unparsed_type instance.

simple_string() → str¶: Returns a readable string representation of the type.

class VarCharType(length: int)¶

Bases: PrimitiveType

The varchar type in Gravitino.

name() → Name¶: Returns the generic name of the type.

simple_string() → str¶: Returns a readable string representation of the type.

static allow_auto_increment(data_type: Type) → bool¶

Checks if the given data type is allowed to be an auto-increment column.

Args:: data_type The data type to check.
Returns:: True if the given data type is allowed to be an auto-increment column, False otherwise.