Hash implementation for Redshift adapter (#13)

* adds hash implementation for redshift adapter * chore: suppress new macro from docs --------- Co-authored-by: Ted Conbeer <[email protected]>
pvcy · Feb 13, 2023 · 511d978 · 511d978
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diff --git a/macros/utils/docs/helpers.yml b/macros/utils/docs/helpers.yml
@@ -24,6 +24,9 @@ macros:
   - name: bigquery__simple_hash
     docs:
       show: false
+  - name: redshift__simple_hash
+    docs:
+      show: false
   - name: postgres__simple_hash
     docs:
       show: false

diff --git a/macros/utils/simple_hash.sql b/macros/utils/simple_hash.sql
@@ -11,6 +11,10 @@ sha2( ({{ expr }})::varchar, {{ digest_size }})
 encode(sha{{ digest_size }} ( ({{ expr }})::varchar::bytea), 'hex')
 {%- endmacro -%}
 
+{%- macro redshift__simple_hash(expr, digest_size=256) -%}
+sha2( ({{ expr }})::varchar, {{ digest_size }})
+{%- endmacro -%}
+
 {%- macro bigquery__simple_hash(expr, digest_size=256) -%}
 {{- dbt_privacy.raise_on_bad_digest_size(digest_size, ok_sizes=[256, 512]) -}}
 to_hex(sha{{ digest_size }} (cast({{ expr }} as string)))