Class GPUdbRecordType¶

class gpudb.GPUdbRecordType(columns=None, label='', schema_string=None, column_properties=None)[source]¶

Bases: object

Represent the data type for a given record in GPUdb. Has convenience functions for creating the type in GPUdb (among others).

Create a GPUdbRecordType object which represents the data type for a given record for GPUdb.

Parameters

columns (list) –

A list of GPUdbRecordColumn objects. Either this argument or the schema_string argument must be given.

label (str) –

Optional string label for the column.

schema_string (str) –

The JSON string containing the schema for the type. Either this argument or the columns argument must be given.

column_properties (dict) –

Optional dict that lists the properties for the columns of the type. Meant to be used in conjunction with schema_string only; will be ignored if columns is given.

columns¶: A list of columns for the record type.

label¶: A label for the record type.

schema_string¶: The schema string for the record type.

record_schema¶: The avro schema for the record type.

record_type¶: The RecordType object for the record type.

column_properties¶: The properties for the type’s columns.

type_id¶: The ID for the type, if it has already been registered with GPUdb.

create_type(gpudb, options=None)[source]¶

Create the record type in GPUdb so that users can create tables using this type.

Parameters

gpudb (GPUdb) –

A GPUdb object to connect to a GPUdb server.

option (dict) –

Optional dictionary containing options for the /create/type call.

Returns

The type ID.