Add bool or cross db (#504)

* Create bool_or cross-db func

* Forgot a comma

* Update CHANGELOG.md

Author: joellabes

CHANGELOG.md

@@ -2,6 +2,7 @@
 
 ## New features
 - A cross-database implementation of `any_value()` ([#497](https://github.com/dbt-labs/dbt-utils/issues/497), [#501](https://github.com/dbt-labs/dbt-utils/pull/501))
+- A cross-database implementation of `bool_or()` ([#504](https://github.com/dbt-labs/dbt-utils/pull/504))
 
 ## Under the hood
 - also ignore `dbt_packages/` directory [#463](https://github.com/dbt-labs/dbt-utils/pull/463)

integration_tests/data/cross_db/data_bool_or.csv

@@ -0,0 +1,8 @@
+key,val1,val2
+abc,1,1
+abc,1,0
+def,1,0
+hij,1,1
+hij,1,
+klm,1,0
+klm,1,

integration_tests/data/cross_db/data_bool_or_expected.csv

@@ -0,0 +1,5 @@
+key,value
+abc,true
+def,false
+hij,true
+klm,false

integration_tests/models/cross_db_utils/schema.yml

@@ -6,6 +6,10 @@ models:
       - dbt_utils.equality:
           compare_model: ref('data_any_value_expected')
 
+  - name: test_bool_or
+    tests:
+      - dbt_utils.equality:
+          compare_model: ref('data_bool_or_expected')
 
   - name: test_concat
     tests:

integration_tests/models/cross_db_utils/test_bool_or.sql

@@ -0,0 +1,5 @@
+select 
+    key, 
+    {{ dbt_utils.bool_or('val1 = val2') }} as value
+from {{ ref('data_bool_or' )}}
+group by key

macros/cross_db_utils/bool_or.sql

@@ -0,0 +1,24 @@
+{% macro bool_or(expression) -%}
+    {{ return(adapter.dispatch('bool_or', 'dbt_utils') (expression)) }}
+{% endmacro %}
+
+
+{% macro default__bool_or(expression) -%}
+    
+    bool_or({{ expression }})
+    
+{%- endmacro %}
+
+
+{% macro snowflake__bool_or(expression) -%}
+    
+    boolor_agg({{ expression }})
+    
+{%- endmacro %}
+
+
+{% macro bigquery__bool_or(expression) -%}
+    
+    logical_or({{ expression }})
+    
+{%- endmacro %}