dbt: Add example project using delete+insert materialization

Ephemeral and incremental materialization using the `delete+insert`
strategy.

Author: amotl

.github/dependabot.yml

@@ -112,6 +112,11 @@ updates:
     schedule:
       interval: "daily"
 
+  - directory: "/framework/dbt/materialize"
+    package-ecosystem: "pip"
+    schedule:
+      interval: "daily"
+
   - directory: "/framework/gradio"
     package-ecosystem: "pip"
     schedule:

.github/workflows/framework-dbt.yml

@@ -69,3 +69,11 @@ jobs:
           pip install -r requirements.txt
           dbt run --debug
           dbt test --debug
+
+      - name: Validate framework/dbt/materialize
+        run: |
+          cd framework/dbt/materialize
+          pip install -r requirements.txt
+          dbt deps
+          dbt run --debug
+          dbt test --debug

framework/dbt/materialize/.gitignore

@@ -0,0 +1,5 @@
+.user.yml
+target/
+dbt_packages/
+logs/
+package-lock.yml

framework/dbt/materialize/README.md

@@ -0,0 +1,25 @@
+# dbt CrateDB example about model materialization
+
+## What's Inside
+Ephemeral and incremental materialization using the `delete+insert`
+strategy.
+
+## Setup
+```shell
+uv pip install -r requirements.txt
+```
+
+## Usage
+
+Try running the following commands:
+- `dbt run`
+- `dbt test`
+
+Optionally, use `--debug` to display executed SQL statements.
+
+## Resources
+- Learn more about dbt [in the docs](https://docs.getdbt.com/docs/introduction)
+- Check out [Discourse](https://discourse.getdbt.com/) for commonly asked questions and answers
+- Join the [chat](https://community.getdbt.com/) on Slack for live discussions and support
+- Find [dbt events](https://events.getdbt.com) near you
+- Check out [the blog](https://blog.getdbt.com/) for the latest news on dbt's development and best practices

framework/dbt/materialize/dbt_project.yml

@@ -0,0 +1,12 @@
+# Project name and metadata.
+name: 'testdrive_materialized'
+version: '1.0.0'
+config-version: 2
+
+# Configure connection profile dbt uses for this project.
+profile: 'cratedb_localhost'
+
+# Directories to be removed by `dbt clean`.
+clean-targets:
+  - "target"
+  - "dbt_packages"

framework/dbt/materialize/models/example/jobslog.sql

@@ -0,0 +1,3 @@
+{{ config(materialized='ephemeral') }}
+
+select * from sys.jobs_log

framework/dbt/materialize/models/example/test.sql

@@ -0,0 +1,12 @@
+{{ config(materialized='incremental',
+    unique_key='id',
+    incremental_strategy='delete+insert'
+  )
+}}
+
+select * from {{ ref('jobslog') }}
+{% if is_incremental() %}
+
+  where started >= (select max(started) from {{ this }})
+
+{% endif %}

framework/dbt/materialize/packages.yml

@@ -0,0 +1,3 @@
+packages:
+  - package: dbt-labs/dbt_utils
+    version: 1.3.0

framework/dbt/materialize/profiles.yml

@@ -0,0 +1,12 @@
+cratedb_localhost:
+  outputs:
+    dev:
+      type: cratedb
+      host: localhost
+      user: crate
+      pass: crate
+      port: 5432
+      dbname: crate
+      schema: doc
+  catalog: crate
+  target: dev

framework/dbt/materialize/requirements.txt

@@ -0,0 +1 @@
+dbt-cratedb2>=0.0.1