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Data pipelines & processing

ETL-style flows, batch transforms, validation, and moving data between formats.

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Data pipelines & processing easy

Generate a Mock CDC Changelog in Python

Simulate a CDC changelog with INSERT, UPDATE, and DELETE operations, timestamps, and record snapshots for testing data pipelines.

cdc changelog mock-data
Python 
import json
from datetime import datetime, timedelta


def generate_mock_changelog(records, operations=("INSERT", "UPDATE", "DELETE")):
    """Simulate a CDC changelog from a list of record snapshots."""
    base_time = datetime(2025, 1, 1, 8, 0, 0)
    changelog = []
    for idx, record in enumerate(records):
       …
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