From 38ce05240288f802d5d4910c1c90994364107646 Mon Sep 17 00:00:00 2001
From: Piotr Findeisen <piotr.findeisen@gmail.com>
Date: Fri, 29 Sep 2023 21:15:19 +0200
Subject: [PATCH] Remove redundant `DISTINCT` from schema listing query

`information_schema.schemata` has no duplicates.
---
 .changes/unreleased/Under the Hood-20230929-211758.yaml | 7 +++++++
 dbt/include/trino/macros/adapters.sql                   | 2 +-
 2 files changed, 8 insertions(+), 1 deletion(-)
 create mode 100644 .changes/unreleased/Under the Hood-20230929-211758.yaml

diff --git a/.changes/unreleased/Under the Hood-20230929-211758.yaml b/.changes/unreleased/Under the Hood-20230929-211758.yaml
new file mode 100644
index 00000000..e23b417a
--- /dev/null
+++ b/.changes/unreleased/Under the Hood-20230929-211758.yaml	
@@ -0,0 +1,7 @@
+kind: Under the Hood
+body: Remove redundant DISTINCT from schema listing query
+time: 2023-09-29T21:17:58.859993+02:00
+custom:
+  Author: findepi
+  Issue: ""
+  PR: "356"
diff --git a/dbt/include/trino/macros/adapters.sql b/dbt/include/trino/macros/adapters.sql
index 3f487123..24bf37c8 100644
--- a/dbt/include/trino/macros/adapters.sql
+++ b/dbt/include/trino/macros/adapters.sql
@@ -215,7 +215,7 @@
 
 {% macro trino__list_schemas(database) -%}
   {% call statement('list_schemas', fetch_result=True, auto_begin=False) %}
-    select distinct schema_name
+    select schema_name
     from {{ information_schema_name(database) }}.schemata
   {% endcall %}
   {{ return(load_result('list_schemas').table) }}