Faster dbt seeds (#498)

databricks · Nov 7, 2023 · 55dca91 · 55dca91
2 parents c1aff5b + a2c9a36
commit 55dca91
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -12,6 +12,7 @@
 ### Under the Hood
 
 - Added required adapter tests to ensure compatibility with 1.7.0 ([487](https://github.com/databricks/dbt-databricks/pull/487))
+- Improved large seed performance by not casting every value (thanks @nrichards17!) ([493](https://github.com/databricks/dbt-databricks/pull/493))
 
 ## dbt-databricks 1.7.0rc1 (October 13, 2023)
 

diff --git a/dbt/include/databricks/macros/materializations/seeds/helpers.sql b/dbt/include/databricks/macros/materializations/seeds/helpers.sql
@@ -20,9 +20,7 @@
           insert {% if loop.index0 == 0 -%} overwrite {% else -%} into {% endif -%} {{ this.render() }} values
           {% for row in chunk -%}
               ({%- for col_name in agate_table.column_names -%}
-                  {%- set inferred_type = adapter.convert_type(agate_table, loop.index0) -%}
-                  {%- set type = column_override.get(col_name, inferred_type) -%}
-                    cast({{ get_binding_char() }} as {{type}})
+                  {{ get_binding_char() }}
                   {%- if not loop.last%},{%- endif %}
               {%- endfor -%})
               {%- if not loop.last%},{%- endif %}