Views¶
Flycs lets you define BigQuery views. While it was already possible to define views by hacking a Transformation with an output set to false and manually writing the view creating in SQL, Flycs now support view as a native object in the SDK.
Example definition of a view in YAML:
QUERY: |
SELECT * FROM self.data_warehouse.simple_copy
VERSION: "1.0.0"
KIND: view
DESCRIPTION: |
this is a view on the simple_copy table, modified
The views must be places into a folder called views in contrast with transformation that must be places into a queries folder. Here is an example tree from a flycs repository:
bigquery
└── demo
├── queries
│ ├── datalake
│ │ ├── history.yaml
│ │ └── simple_copy.yaml
│ ├── data_mart
│ │ ├── salary.yaml
│ │ └── simple_copy.yaml
│ ├── data_warehouse
│ │ ├── manipulating_pii_fields.yaml
│ │ └── simple_copy.yaml
│ └── staging
│ ├── simple_copy.yaml
│ └── time_test.yaml
└── views
└── data_warehouse
└── view_simple_copy.yaml
Example definition of a view using python SDK:
from flycs_sdk.views import View
my_view = View(
name="my_view",
query="SELECT * FROM self.data_warehouse.simple_copy",
version="1.0.0",
description="this is a view on the simple_copy table, modified"
)