Merge pull request #46 from dwallace0723/nullif-get-url-param

Have get url paramater macro return null when blank
dbt-labs · Jan 11, 2018 · ee23c73 · ee23c73
2 parents 78b6fc2 + b752214
commit ee23c73
Showing 1 changed file with 6 additions and 6 deletions.
diff --git a/macros/web/get_url_parameter.sql b/macros/web/get_url_parameter.sql
@@ -1,9 +1,9 @@
-{% macro get_url_parameter(field, url_parameter) %}
+{% macro get_url_parameter(field, url_parameter) -%}
 
-{% set formatted_url_parameter = "'" + url_parameter + "='" %}
+{%- set formatted_url_parameter = "'" + url_parameter + "='" -%}
 
-{{
-    dbt_utils.split_part(dbt_utils.split_part(field, formatted_url_parameter, 2), "'&'", 1)
-}}
+{%- set split = dbt_utils.split_part(dbt_utils.split_part(field, formatted_url_parameter, 2), "'&'", 1) -%}
 
-{% endmacro %}
+nullif({{ split }},'')
+
+{%- endmacro %}