init

dbt/macros/common/check_model_exists.sql

@@ -0,0 +1,16 @@
+{% macro check_model_exists(model_name) %}
+{% if execute %}
+    {% if manifest %}
+        {% set model_exists = false %}
+        {% for node in manifest.nodes.values() %}
+            {% if node.resource_type == 'model' and node.name == model_name %}
+                {% set model_exists = true %}
+                {% break %}
+            {% endif %}
+        {% endfor %}
+        {{ return(model_exists) }}
+    {% else %}
+        {{ exceptions.raise_compiler_error("'manifest' object is not available in this context.") }}
+    {% endif %}
+{% endif %}
+{% endmacro %}

dbt/macros/common/get_child_models.sql

@@ -0,0 +1,15 @@
+{% macro get_child_models(model_name) %}
+  {% if execute %}
+    {% set graph = graph.nodes %}
+    {% set children = [] %}
+    {% for node, details in graph.items() %}
+        {% for item in details.depends_on.nodes %}
+          {% if model_name == item.split('.')[2] %}
+            {% do children.append(node.split('.')[2]) %}
+            {% break %}
+          {% endif %}
+        {% endfor %}
+    {% endfor %}
+    {{ return(children) }}
+  {% endif %}
+{% endmacro %}

dbt/macros/common/get_parent_models.sql

@@ -0,0 +1,12 @@
+{% macro get_parent_models(model_name) %}
+    {% if execute %}
+        {% set model = ( graph.nodes.values() | selectattr('name', 'equalto', model_name) | list ).pop() %}
+        {% set depends_on = model.depends_on['nodes'] %}
+        {% set new_depends_on = [] %}
+        {% for item in depends_on %} 
+            {% do new_depends_on.append(item.split('.')[2]) %}
+        {% endfor %}     
+        {{ return(new_depends_on) }}
+        
+    {% endif %}
+{% endmacro %}

dbt/macros/common/get_table_qualified_name.sql

@@ -0,0 +1,12 @@
+{% macro get_table_qualified_name(model_name) %}
+    {% if execute %}
+        {% set models = graph.nodes.values() %}
+        {% set model = (models | selectattr('name', 'equalto', model_name) | list).pop() %}
+        {% if model is not none %}
+            {% set table_qualified_name = model.schema ~ '.' ~ model.alias if model.alias is not none and model.alias != '' else model.schema ~ '.' ~ model.name %}
+            {{ return(table_qualified_name) }}
+        {% else %}
+            {{ exceptions.raise("Model not found: " ~ model_name) }}
+        {% endif %}
+    {% endif %}
+{% endmacro %}