Merge pull request dbt-labs#9 from fishtown-analytics/star

add star macro

macros/start.sql

@@ -0,0 +1,20 @@
+{% macro star(from, except=[]) -%}
+
+    {%- set table_parts = from.split('.') %}
+    {%- set include_cols = [] %}
+    {%- set cols = adapter.get_columns_in_table(*table_parts) %}
+    {%- for col in cols -%}
+
+        {%- if col.column not in except -%}
+            {% set _ = include_cols.append(col.column) %}
+
+        {%- endif %}
+    {%- endfor %}
+
+    {%- for col in include_cols %}
+
+        "{{ col }}" {% if not loop.last %},
+        {% endif %}
+
+    {%- endfor -%}
+{%- endmacro %}