power and pow are synonyms (except in for some dialects) (dbt-labs#354)

* power and pow are synonyms (except in TSQL)

* contrib

* power is more crossdb friendly than pow

Co-authored-by: Jeremy Cohen <jeremy@fishtownanalytics.com>

CHANGELOG.md

@@ -1,3 +1,6 @@
+# dbt-utils Next
+
+
 # dbt-utils v0.7.0 (unreleased)
 ## Breaking changes
 
@@ -46,6 +49,7 @@ If you were relying on the position to match up your optional arguments, this ma
 
 ## Under the hood
 * Update the default implementation of concat macro to use `||` operator ([#373](https://github.com/fishtown-analytics/dbt-utils/pull/314) [@ChristopheDuong](https://github.com/ChristopheDuong)). Note this may be a breaking change for spark users.
+- Use `power()` instead of `pow()` in `generate_series()` and `haversine_distance()` as they are synonyms in most SQL dialects, but some dialects only have `power()` ([#354](https://github.com/fishtown-analytics/dbt-utils/pull/354) from [@swanderz](https://github.com/swanderz))
 
 # dbt-utils v0.6.6
 

macros/sql/generate_series.sql

@@ -30,7 +30,7 @@
     select
 
     {% for i in range(n) %}
-    p{{i}}.generated_number * pow(2, {{i}})
+    p{{i}}.generated_number * power(2, {{i}})
     {% if not loop.last %} + {% endif %}
     {% endfor %}
     + 1

macros/sql/haversine_distance.sql

@@ -23,9 +23,9 @@ The arguments should be float type.
     {{ exceptions.raise_compiler_error("unit input must be one of 'mi' or 'km'. Got " ~ unit) }}
 {% endif %}
 
-    2 * 3961 * asin(sqrt(pow((sin(radians(({{ lat2 }} - {{ lat1 }}) / 2))), 2) +
+    2 * 3961 * asin(sqrt(power((sin(radians(({{ lat2 }} - {{ lat1 }}) / 2))), 2) +
     cos(radians({{lat1}})) * cos(radians({{lat2}})) *
-    pow((sin(radians(({{ lon2 }} - {{ lon1 }}) / 2))), 2))) * {{ conversion_rate }}
+    power((sin(radians(({{ lon2 }} - {{ lon1 }}) / 2))), 2))) * {{ conversion_rate }}
 
 {%- endmacro %}
 
@@ -43,9 +43,9 @@ The arguments should be float type.
 {% else %}
     {{ exceptions.raise_compiler_error("unit input must be one of 'mi' or 'km'. Got " ~ unit) }}
 {% endif %}
-    2 * 3961 * asin(sqrt(pow(sin(({{ radians_lat2 }} - {{ radians_lat1 }}) / 2), 2) +
+    2 * 3961 * asin(sqrt(power(sin(({{ radians_lat2 }} - {{ radians_lat1 }}) / 2), 2) +
     cos({{ radians_lat1 }}) * cos({{ radians_lat2 }}) *
-    pow(sin(({{ radians_lon2 }} - {{ radians_lon1 }}) / 2), 2))) * {{ conversion_rate }}
+    power(sin(({{ radians_lon2 }} - {{ radians_lon1 }}) / 2), 2))) * {{ conversion_rate }}
 
 {%- endmacro %}