Class StructType (3.5.0)

StructType(mapping=None, *, ignore_unknown_fields=False, **kwargs)

StructType defines the fields of a STRUCT][google.spanner.v1.TypeCode.STRUCT] type.

Attribute
Name	Description
`fields`	`Sequence[google.cloud.spanner_v1.types.StructType.Field]` The list of fields that make up this struct. Order is significant, because values of this struct type are represented as lists, where the order of field values matches the order of fields in the `StructType][google.spanner.v1.StructType]`. In turn, the order of fields matches the order of columns in a read request, or the order of fields in the `SELECT` clause of a query.

Attribute

Name Description

fields Sequence[google.cloud.spanner_v1.types.StructType.Field]
The list of fields that make up this struct. Order is significant, because values of this struct type are represented as lists, where the order of field values matches the order of fields in the StructType][google.spanner.v1.StructType]. In turn, the order of fields matches the order of columns in a read request, or the order of fields in the SELECT clause of a query.

Classes

Field

Field(mapping=None, *, ignore_unknown_fields=False, **kwargs)

Message representing a single field of a struct. .. attribute:: name

The name of the field. For reads, this is the column name. For SQL queries, it is the column alias (e.g., "Word" in the query "SELECT 'hello' AS Word"), or the column name (e.g., "ColName" in the query "SELECT ColName FROM Table"). Some columns might have an empty name (e.g., "SELECT UPPER(ColName)"). Note that a query result can contain multiple fields with the same name.

:type: str