From 54c08e6f7e6848416b0447c177aecfbc7e5007a4 Mon Sep 17 00:00:00 2001 From: rloredo Date: Tue, 3 Jun 2025 11:42:23 +0200 Subject: [PATCH] fix division by zero --- ...pect_column_proportion_of_unique_values_to_be_between.sql | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/macros/schema_tests/aggregate_functions/expect_column_proportion_of_unique_values_to_be_between.sql b/macros/schema_tests/aggregate_functions/expect_column_proportion_of_unique_values_to_be_between.sql index eb39d0f..379a4be 100644 --- a/macros/schema_tests/aggregate_functions/expect_column_proportion_of_unique_values_to_be_between.sql +++ b/macros/schema_tests/aggregate_functions/expect_column_proportion_of_unique_values_to_be_between.sql @@ -6,7 +6,10 @@ strictly=False ) %} {% set expression %} -cast(count(distinct {{ column_name }}) as {{ dbt.type_float() }})/count({{ column_name }}) +case + when count({{ column_name }}) = 0 then 1 -- Return 1 if division by zero + else cast(count(distinct {{ column_name }}) as {{ dbt.type_float() }})/count({{ column_name }}) +end {% endset %} {{ dbt_expectations.expression_between(model, expression=expression,