{% macro star(from, relation_alias=False, except=[], prefix='', suffix='', quote_identifiers=True) -%}

{{ return(adapter.dispatch('star', 'dbt_utils')(from, relation_alias, except, prefix, suffix, quote_identifiers)) }}

{% endmacro %}

{% macro default__star(from, relation_alias=False, except=[], prefix='', suffix='', quote_identifiers=True) -%}

{%- do dbt_utils._is_relation(from, 'star') -%}

{%- do dbt_utils._is_ephemeral(from, 'star') -%}

{#-- Prevent querying of db in parsing mode. This works because this macro does not create any new refs. #}

{%- if not execute -%}

{% do return('*') %}

{%- endif -%}

{% set cols = dbt_utils.get_filtered_columns_in_relation(from, except) %}

{%- if cols|length <= 0 -%}

{% if flags.WHICH == 'compile' %}

{% set response %}

{% endset %}

{% do return(response) %}

{% else %}

{% do return("/* no columns returned from star() macro */") %}

{% endif %}

{%- else -%}

{%- for col in cols %}

{%- if relation_alias %}{{ relation_alias }}.{% else %}{%- endif -%}

{%- if quote_identifiers -%}

{{ adapter.quote(col)|trim }} {%- if prefix!='' or suffix!='' %} as {{ adapter.quote(prefix ~ col ~ suffix)|trim }} {%- endif -%}

{%- else -%}

{{ col|trim }} {%- if prefix!='' or suffix!='' %} as {{ (prefix ~ col ~ suffix)|trim }} {%- endif -%}

{% endif %}

{%- if not loop.last %},{{ '\n ' }}{%- endif -%}

{%- endfor -%}

{% endif %}

{%- endmacro %}