From b4323aac373e42443551cbbba3f0a737f92b2a30 Mon Sep 17 00:00:00 2001
From: Igor Bolshakov <ibolsch@gmail.com>
Date: Sun, 18 Aug 2024 10:41:34 +0300
Subject: [PATCH] feat: allow adding an empty seed without rows

---
 .../clickhouse/macros/materializations/seed.sql  | 16 +++++++++-------
 1 file changed, 9 insertions(+), 7 deletions(-)

diff --git a/dbt/include/clickhouse/macros/materializations/seed.sql b/dbt/include/clickhouse/macros/materializations/seed.sql
index f05a5ac4..4f105d72 100644
--- a/dbt/include/clickhouse/macros/materializations/seed.sql
+++ b/dbt/include/clickhouse/macros/materializations/seed.sql
@@ -2,14 +2,16 @@
   {% set cols_sql = get_seed_column_quoted_csv(model, agate_table.column_names) %}
   {% set data_sql = adapter.get_csv_data(agate_table) %}
 
-  {% set sql -%}
-    insert into {{ this.render() }} ({{ cols_sql }})
-    {{ adapter.get_model_query_settings(model) }}
-    format CSV
-    {{ data_sql }}
-  {%- endset %}
+  {% if data_sql %}
+    {% set sql -%}
+      insert into {{ this.render() }} ({{ cols_sql }})
+      {{ adapter.get_model_query_settings(model) }}
+      format CSV
+      {{ data_sql }}
+    {%- endset %}
 
-  {% do adapter.add_query(sql, bindings=agate_table, abridge_sql_log=True) %}
+    {% do adapter.add_query(sql, bindings=agate_table, abridge_sql_log=True) %}
+  {% endif %}
 {% endmacro %}
 
 {% macro clickhouse__create_csv_table(model, agate_table) %}