changing destination

Update incremental.sql

.changes/unreleased/Features-20250108-204100.yaml

@@ -0,0 +1,6 @@
+kind: Features
+body: allow changing the schema destination of tmp tables
+time: 2025-01-08T20:41:00.190868Z
+custom:
+    Author: borjavb
+    Issue: "1443"

dbt/include/bigquery/macros/materializations/incremental.sql

@@ -72,12 +72,20 @@
 {% materialization incremental, adapter='bigquery', supported_languages=['sql', 'python'] -%}
 
   {%- set unique_key = config.get('unique_key') -%}
+  {%- set temp_schema = config.get('temp_schema') -%}
   {%- set full_refresh_mode = (should_full_refresh()) -%}
   {%- set language = model['language'] %}
 
   {%- set target_relation = this %}
   {%- set existing_relation = load_relation(this) %}
-  {%- set tmp_relation = make_temp_relation(this) %}
+  {%- set temp_schema = config.get('temp_schema') -%}
+  {%- if temp_schema is not none-%}
+      {%- set temp_relation = this.incorporate(path={
+        "schema": temp_schema
+        }) -%}
+        {%- do create_schema(temp_relation) -%}
+  {% endif %}
+  {%- set tmp_relation = make_temp_relation(temp_relation) %}
 
   {#-- Validate early so we don't run SQL if the strategy is invalid --#}
   {% set strategy = dbt_bigquery_validate_get_incremental_strategy(config) -%}