Merge pull request #156 from tinybirdco/add-nullable-column-v3

Add the new column to a Landing Data Source

README.md

@@ -18,8 +18,9 @@ This repository contains all the use cases you can iterate with Versions:
 - [Change Kafka Data Source sorting key](change_sorting_key_to_kafka_data_source)
 - [Recover data from quarantine](recover_data_from_quarantine) using a copy Pipe
 - [Add a new column to a Landing Data Source](add_column_landing_ds)
+- [Add a new column to a Landing Data Source using V3](v3/add_column_landing_ds)
 - [Add a new column to a Materialized View](add_column_materialized_view)
-- [Add a new column to a Materialized View using Releases](v3/add_new_column_to_a_materialized_view_v3)
+- [Add a new column to a Materialized View using Releases](v3/add_nullable_column_to_landing_datas_source)
 - [Add a new column in a BigQuery Data Source](add_column_BQ_ds)
 - [Add a new column to a Snowflake Data Source](add_column_snowflake_ds)
 - [Add a new column to an S3 Data Source](add_column_to_s3_ds)

v3/add_nullable_column_to_landing_datas_source/README.md

@@ -1 +1,19 @@
 # Tinybird Versions - Add Column to a Landing Data Source
+
+> Remember to follow the [instructions](../README.md) to setup your Tinybird Data Project before jumping into the use-case steps
+
+- Just a add the desired column, remember to set it as Nullable.
+
+[Pull Request](https://github.com/tinybirdco/use-case-examples/pull/156/files)
+
+```diff
+SCHEMA >
+    `timestamp` DateTime `json:$.timestamp`,
+    `session_id` String `json:$.session_id`,
+    `action` LowCardinality(String) `json:$.action`,
+    `version` LowCardinality(String) `json:$.version`,
++   `environment` Nullable(String) `json:$.environment`,
+    `payload` String `json:$.payload`
+```
+
+> TODO: Adding not nullable columns is a more delicated action we'll explain in a further example.

v3/add_nullable_column_to_landing_datas_source/datasources/analytics_events.datasource

@@ -8,6 +8,7 @@ SCHEMA >
     `session_id` String `json:$.session_id`,
     `action` LowCardinality(String) `json:$.action`,
     `version` LowCardinality(String) `json:$.version`,
+    `environment` Nullable(String) `json:$.environment`,
     `payload` String `json:$.payload`
 
 ENGINE "MergeTree"