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Mattermost Analytics

Welcome to Mattermost Analytics project. This projects uses DBT to define transformations in data.

Project Structure

This project follows the structure suggested in How we structure our DBT projects.

├── dbt_project.yml       <--- Project configuration.
├── packages.yml          <--- Define dependencies to external packages required by the project.
├── README.md             <--- This file.
├── analyses              <--- Any custom analyses.
├── macros                <--- Custom macros defined by us.
├── models                <--- The project's models.
│  ├── staging            <--- Staging models. Subdirectories MUST be split by source system.
│  ├── intermediate       <--- Intermediate models. Subdirectories MUST be split on business groupings.
│  ├── marts              <--- Data marts. Group by department or area of concern.
│  └── utilities          <--- General purpose models that we generate from macros or based on seeds.
├── profile
│  └── profiles.yml       <--- Database connection configurations.
├── seeds                 <--- Seed data and lookup tables.
├── snapshots             <--- Used for creating Type 2 slowly changing dimension records from Type 1 (destructively updated) source data.
└── tests                 <--- USed for testing multiple specific tables simultaneously.

Conventions

Schema names

The alternative pattern is used. A frequently used pattern for generating schema names is to change the behavior based on dbt's environment:

  • In prod:
    • If a custom schema is provided, a model's schema name should match the custom schema, rather than being concatenated to the target schema.
    • If no custom schema is provided, a model's schema name should match the target schema.
  • In other environments (e.g. dev or qa):
    • Build all models in the target schema, as in, ignore custom schema configurations.

List of packages

Package Description
dbt_utils Useful macros, reused across projects
codegen Macros that generate dbt code, and log it to the command line.

Resources