Syndication

Case Scenario

In this case scenario, we syndicate the data from the DataOS internal managed Depot Lakehouse to an external Depot. This involves reading the data from Lakehouse, doing certain transformations, and writing it to the external Depot.

Code Snippet

version: v1
name: syndct-fusd-of-tx
type: workflow
tags:
- Offline
- Syndicate
description: This job is Syndicating offline transactions data
workflow:
  dag:
    - name: syndct-fusd-off-tx-01-step
      title: Syndicate Fused Offline transactions
      description: Syndicate fused data between Offline Txn, Store, Product and Customer in CSV format
      spec:
        tags:
        - Offline
        - Syndicate
        stack: flare:7.0
        compute: runnable-default
        stackSpec:
          configs: {}
          driver:
            coreLimit: 2400m
            cores: 2
            memory: 3072m
          executor:
            coreLimit: 2400m
            cores: 2
            instances: 2
            memory: 4096m
          job:
            explain: true
            inputs:
              - name: processed_transactions
                format: iceberg
                dataset: dataos://lakehouse:retail/pos_store_product_cust
            logLevel: INFO

            outputs:
              - name: syndicatePos
                dataset: dataos://lakehouse:syndicate/fused_offline_01_csv?acl=rw
                description: Fused offline transactions into csv
                options:
                  file:
                    saveMode: Overwrite
                    outputType: CSV
                tags:
                  - Fused
                  - Offline
                  - Syndicate
                title: Fused Offline Transactions

            steps:
              - sequence:
                  - name: customer_01
                    sql: SELECT customer_index, transaction_header.store_id, explode(transaction_line_item)
                      as line_item, store FROM processed_transactions
                  - name: syndicatePos
                    sql: SELECT customer_index, store_id, line_item.*, store.store_name, store.store_city,
                      store.store_state FROM customer_01
            variables:
              keepSystemColumns: "false"