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feat: run dbt in batches for document_metadata model #174

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feat: run dbt in batches for document_metadata model #174

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f1caac7
feat: upload document_metadata in batches if var is set
njuguna-n Sep 26, 2024
7e304f6
refactor: try an alternative batching technique
njuguna-n Sep 27, 2024
63377ca
chore: update batch query
njuguna-n Sep 27, 2024
a23f55c
fix: typo
njuguna-n Sep 27, 2024
5ea363e
refactor: try a different way of using vars
njuguna-n Sep 29, 2024
e2a8408
fix: CTE naming
njuguna-n Sep 29, 2024
5d10c4f
fix: upadte how variable is used
njuguna-n Sep 29, 2024
1d8e368
chore: add variables to dbt_project file
njuguna-n Oct 7, 2024
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4 changes: 4 additions & 0 deletions dbt_project.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -7,3 +7,7 @@ profile: 'default'

on-run-end:
- "{{ log_dbt_results(results) }}"

vars:
start_timestamp: null
batch_size: null
34 changes: 26 additions & 8 deletions models/root/document_metadata.sql
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Original file line number Diff line number Diff line change
Expand Up @@ -13,12 +13,30 @@
)
}}

SELECT
_id as uuid,
_deleted,
saved_timestamp,
doc->>'type' as doc_type
from {{ source('couchdb', env_var('POSTGRES_TABLE')) }} source_table
{% if is_incremental() %}
WHERE source_table.saved_timestamp >= {{ max_existing_timestamp('saved_timestamp') }}
WITH source_table_CTE AS (
SELECT
_id as uuid,
_deleted,
saved_timestamp,
doc->>'type' as doc_type
FROM {{ source('couchdb', env_var('POSTGRES_TABLE')) }}
)

{% if var("start_timestamp") is not none and var("batch_size") is not none %}
SELECT *
FROM source_table_CTE
WHERE saved_timestamp >= '{{ var("start_timestamp") }}'
ORDER BY saved_timestamp
LIMIT {{ var('batch_size') }}
{% else %}

SELECT
_id as uuid,
_deleted,
saved_timestamp,
doc->>'type' as doc_type
FROM {{ source('couchdb', env_var('POSTGRES_TABLE')) }} source_table
{% if is_incremental() %}
WHERE source_table.saved_timestamp >= {{ max_existing_timestamp('saved_timestamp') }}
{% endif %}
{% endif %}
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