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Added comment_clause adapter to support persist_docs #353

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Added comment_clause adapter to support persist_docs #353

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25 changes: 25 additions & 0 deletions dbt/include/databricks/macros/adapters.sql
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Original file line number Diff line number Diff line change
Expand Up @@ -43,6 +43,31 @@
{%- endif %}
{%- endmacro -%}

{% macro comment_clause() -%}
{{ return(adapter.dispatch('comment_clause', 'dbt')()) }}
{%- endmacro -%}

{% macro databricks__comment_clause() %}
{%- set raw_persist_docs = config.get('persist_docs', {}) -%}
{%- if raw_persist_docs is mapping -%}
{%- set raw_columns = raw_persist_docs.get('columns', false) -%}
{%- if raw_columns -%}
(
{% for col in model.columns -%}
{{ model.columns[col].name }} comment '{{ model.columns[col].description | replace("'", "\\'") }}'
{{- ", " if not loop.last else "" }}
{% endfor %}
)
{% endif %}
{%- set raw_relation = raw_persist_docs.get('relation', false) -%}
{%- if raw_relation -%}
comment '{{ model.description | replace("'", "\\'") }}'
{% endif %}
{%- elif raw_persist_docs -%}
{{ exceptions.raise_compiler_error("Invalid value provided for 'persist_docs'. Expected dict but got value: " ~ raw_persist_docs) }}
{% endif %}
{%- endmacro -%}


{% macro databricks__create_table_as(temporary, relation, compiled_code, language='sql') -%}
{%- if language == 'sql' -%}
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