ADAP-865: Parameterize where clause, add option to supply list of relations

.changes/unreleased/Features-20230829-152412.yaml

@@ -0,0 +1,6 @@
+kind: Features
+body: Support limiting get_catalog by object name
+time: 2023-08-29T15:24:12.649104-04:00
+custom:
+  Author: mikealfare
+  Issue: "4997"

dbt/include/snowflake/macros/catalog.sql

@@ -1,4 +1,4 @@
-{% macro snowflake__get_catalog(information_schema, schemas) -%}
+{% macro snowflake__get_catalog(information_schema, schemas, relations) -%}
   {% set query %}
       with tables as (
 
@@ -33,11 +33,7 @@
               (last_altered is not null and table_type='BASE TABLE') as "stats:last_modified:include"
 
           from {{ information_schema }}.tables
-          where (
-            {%- for schema in schemas -%}
-              upper("table_schema") = upper('{{ schema }}'){%- if not loop.last %} or {% endif -%}
-            {%- endfor -%}
-          )
+          {{ snowflake__get_catalog_where_clause(schemas, relations) }}
 
       ),
 
@@ -54,11 +50,7 @@
               comment as "column_comment"
 
           from {{ information_schema }}.columns
-          where (
-            {%- for schema in schemas -%}
-              upper("table_schema") = upper('{{ schema }}'){%- if not loop.last %} or {% endif -%}
-            {%- endfor -%}
-          )
+          {{ snowflake__get_catalog_where_clause(schemas, relations) }}
       )
 
       select *
@@ -70,3 +62,36 @@
   {{ return(run_query(query)) }}
 
 {%- endmacro %}
+
+
+{% snowflake__get_catalog_where_clause(schemas, relations) %}
+
+    {% if schemas is not none %}
+        where (
+            {%- for schema in schemas -%}
+                upper("table_schema") = upper('{{ schema }}')
+                {%- if not loop.last %} or {% endif -%}
+            {%- endfor -%}
+        )
+
+    {% elif relations is not none %}
+        where (
+            {%- for relation in relations -%}
+                (
+                    upper("table_schema") = upper('{{ relation.schema }}')
+                    {% if relation.identifier is not none %}
+                        and upper("table_name") = upper('{{ relation.identifier }}')
+                    {% endif %}
+                )
+                {%- if not loop.last %} or {% endif -%}
+            {%- endfor -%}
+        )
+
+    {% else %}
+        {% do exceptions.raise_compiler_error(
+            '`get_catalog` requires a list of schemas or a list of relations.'
+        ) %}
+
+    {% endif %}
+
+{% endmacro %}