Struct DataTypes 

pub struct DataTypes;

Implementations

impl DataTypes

pub fn binary(length: usize) -> DataType

pub const fn bytes() -> DataType

pub fn boolean() -> DataType

pub fn int() -> DataType

pub fn tinyint() -> DataType

Data type of a 1-byte signed integer with values from -128 to 127.

pub fn smallint() -> DataType

Data type of a 2-byte signed integer with values from -32,768 to 32,767.

pub fn bigint() -> DataType

pub fn float() -> DataType

Data type of a 4-byte single precision floating point number.

pub fn double() -> DataType

Data type of an 8-byte double precision floating point number.

pub fn char(length: u32) -> DataType

pub fn string() -> DataType

Data type of a variable-length character string.

pub fn decimal(precision: u32, scale: u32) -> DataType

Data type of a decimal number with fixed precision and scale DECIMAL(p, s) where p is the number of digits in a number (=precision) and s is the number of digits to the right of the decimal point in a number (=scale). p must have a value between 1 and 38 (both inclusive). s must have a value between 0 and p (both inclusive).

pub fn date() -> DataType

pub fn time() -> DataType

Data type of a time WITHOUT time zone TIME with no fractional seconds by default.

pub fn time_with_precision(precision: u32) -> DataType

Data type of a time WITHOUT time zone TIME(p) where p is the number of digits of fractional seconds (=precision). p must have a value between 0 and 9 (both inclusive).

pub fn timestamp() -> DataType

Data type of a timestamp WITHOUT time zone TIMESTAMP with 6 digits of fractional seconds by default.

pub fn timestamp_with_precision(precision: u32) -> DataType

Data type of a timestamp WITHOUT time zone TIMESTAMP(p) where p is the number of digits of fractional seconds (=precision). p must have a value between 0 and 9 (both inclusive).

pub fn timestamp_ltz() -> DataType

Data type of a timestamp WITH time zone TIMESTAMP WITH TIME ZONE with 6 digits of fractional seconds by default.

pub fn timestamp_ltz_with_precision(precision: u32) -> DataType

Data type of a timestamp WITH time zone TIMESTAMP WITH TIME ZONE(p) where p is the number of digits of fractional seconds (=precision). p must have a value between 0 and 9 (both inclusive).

pub fn array(element: DataType) -> DataType

Data type of an array of elements with same subtype.

pub fn map(key_type: DataType, value_type: DataType) -> DataType

Data type of an associative array that maps keys to values.

pub fn field<N: Into<String>>(name: N, data_type: DataType) -> DataField

Field definition with field name and data type.

pub fn field_with_description<N: Into<String>>( name: N, data_type: DataType, description: String, ) -> DataField

Field definition with field name, data type, and a description.

pub fn row(fields: Vec<DataField>) -> DataType

Data type of a sequence of fields.

pub fn row_from_types(field_types: Vec<DataType>) -> DataType

Data type of a sequence of fields with generated field names (f0, f1, f2, …).