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Adding partition/cluster functionality to bigquery mv config #27

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Adding partition/cluster functionality to bigquery mv config #27

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35 changes: 35 additions & 0 deletions materialized-views/macros/bigquery/adapters.sql
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Original file line number Diff line number Diff line change
@@ -1,3 +1,31 @@
{% macro partition_by(partition_config) -%}
{%- if partition_config is none -%}
{% do return('') %}
{%- elif partition_config.data_type | lower in ('date','timestamp','datetime') -%}
partition by {{ partition_config.render() }}
{%- elif partition_config.data_type | lower in ('int64') -%}
{%- set range = partition_config.range -%}
partition by range_bucket(
{{ partition_config.field }},
generate_array({{ range.start}}, {{ range.end }}, {{ range.interval }})
)
{%- endif -%}
{%- endmacro -%}

{% macro cluster_by(raw_cluster_by) %}
{%- if raw_cluster_by is not none -%}
cluster by {% if raw_cluster_by is string -%}
{% set raw_cluster_by = [raw_cluster_by] %}
{%- endif -%}
{%- for cluster in raw_cluster_by -%}
{{ cluster }}
{%- if not loop.last -%}, {% endif -%}
{%- endfor -%}

{% endif %}

{%- endmacro -%}

{% macro bigquery_options() %}
{%- set opts = kwargs -%}
{%- set options -%}
Expand All @@ -13,14 +41,21 @@
{%- set enable_refresh = config.get('auto_refresh', none) -%}
{%- set refresh_interval_minutes = config.get('refresh_interval_minutes', none) -%}
{%- set sql_header = config.get('sql_header', none) -%}
{%- set raw_partition_by = config.get('partition_by', none) -%}
{%- set partition_config = adapter.parse_partition_by(raw_partition_by) -%}
{%- set raw_cluster_by = config.get('cluster_by', none) -%}


{{ sql_header if sql_header is not none }}

create materialized view {{relation}}
{{ partition_by(partition_config) }}
{{ cluster_by(raw_cluster_by) }}
{{ dbt_labs_materialized_views.bigquery_options(
enable_refresh=enable_refresh,
refresh_interval_minutes=refresh_interval_minutes
) }}

as (
{{sql}}
)
Expand Down