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Feature: Add option to remove the source_column_name on the union_relations macro #624

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merged 6 commits into from
Jul 26, 2022
Merged

Feature: Add option to remove the source_column_name on the union_relations macro #624

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07136c9
Changed the union macro to function with `none` as an argument
christineberger Jul 21, 2022
5c1fb5d
Updated the README with the new functionality
christineberger Jul 21, 2022
cb215aa
Added to the CHANGELOG
christineberger Jul 21, 2022
8300eae
Update README.md
christineberger Jul 25, 2022
777d3cf
Added integration test for omitting source column on union_relations …
christineberger Jul 26, 2022
96cb895
Update integration_tests/tests/generic/expect_table_columns_to_match_…
joellabes Jul 26, 2022
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8 changes: 8 additions & 0 deletions CHANGELOG.md
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Expand Up @@ -8,6 +8,14 @@
## Contributors:
--->

# Unreleased

## New features
- New feature to omit the `source_column_name` column on the `union_relations` macro ([#331](https://github.com/dbt-labs/dbt-utils/issues/331), [#624](https://github.com/dbt-labs/dbt-utils/pull/624))

## Contributors:
- [@christineberger](https://github.com/christineberger) (#624)

# dbt-utils v0.8.6

## New features
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3 changes: 2 additions & 1 deletion README.md
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Expand Up @@ -886,7 +886,8 @@ final query. Note the `include` and `exclude` arguments are mutually exclusive.
* `column_override` (optional): A dictionary of explicit column type overrides,
e.g. `{"some_field": "varchar(100)"}`.``
* `source_column_name` (optional, `default="_dbt_source_relation"`): The name of
the column that records the source of this row.
the column that records the source of this row. `source_column_name: none` can
be used to omit this column.
* `where` (optional): Filter conditions to include in the `where` clause.

#### generate_series ([source](macros/sql/generate_series.sql))
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3 changes: 3 additions & 0 deletions macros/sql/union.sql
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Expand Up @@ -85,7 +85,10 @@
(
select

{%- if source_column_name != none %}
cast({{ dbt_utils.string_literal(relation) }} as {{ dbt_utils.type_string() }}) as {{ source_column_name }},
{%- endif %}

{% for col_name in ordered_column_names -%}

{%- set col = column_superset[col_name] %}
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