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SPIKE - BigQuery support for iceberg materialisations #1371

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SPIKE - BigQuery support for iceberg materialisations #1371

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37 changes: 34 additions & 3 deletions dbt/include/bigquery/macros/adapters.sql
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Original file line number Diff line number Diff line change
Expand Up @@ -3,7 +3,7 @@
{%- set raw_partition_by = config.get('partition_by', none) -%}
{%- set raw_cluster_by = config.get('cluster_by', none) -%}
{%- set sql_header = config.get('sql_header', none) -%}

{%- set table_format = config.get('table_format', 'default') -%}
{%- set partition_config = adapter.parse_partition_by(raw_partition_by) -%}
{%- if partition_config.time_ingestion_partitioning -%}
{%- set columns = get_columns_with_types_in_query_sql(sql) -%}
Expand All @@ -23,10 +23,41 @@
{#-- cannot do contracts at the same time as time ingestion partitioning -#}
{{ columns }}
{% endif %}
{{ partition_by(partition_config) }}
{%- if table_format == "iceberg" and partition_config is not none-%}
{% do exceptions.raise_compiler_error("Partition by not yet available in iceberg tables, use cluster by instead") %}
{#-- PARTITION BY cannot be used in iceberg-#}
{%- else -%}
{{ partition_by(partition_config) }}
{% endif %}

{{ cluster_by(raw_cluster_by) }}

{{ bigquery_table_options(config, model, temporary) }}
{% if table_format == "iceberg" %}

{% set base_location = config.get('base_location') %}
{%- if not base_location-%}
{% do exceptions.raise_compiler_error("base_location not found") %}
{% endif %}
{% set connection = config.get('connection') %}
{%- if not connection-%}
{% do exceptions.raise_compiler_error("Bq connection not found") %}
{% endif %}
{% set sub_path = relation.identifier %}
{% set connection = "WITH CONNECTION `"~connection~"`" %}
{#-- pass this through {{ bigquery_table_options(config, model, temporary) }}-#}
{% set options %}
OPTIONS(
file_format = 'PARQUET',
table_format = 'ICEBERG',
storage_uri = '{{base_location}}/{{sub_path}}'
)
{%- endset -%}

{{ connection }}
{{ options }}

{% endif %}


{#-- PARTITION BY cannot be used with the AS query_statement clause.
https://cloud.google.com/bigquery/docs/reference/standard-sql/data-definition-language#partition_expression
Expand Down