From e917c38fbc1b3d3f26fc165cf66077bd7cd825a8 Mon Sep 17 00:00:00 2001
From: Akinfenwa Obaseyi <obaseyiakin03@gmail.com>
Date: Thu, 22 Oct 2026 11:03:44 +0100
Subject: [PATCH 1/2] fix(postgresql): format SELECT INTO as a separate clause

---
 src/languages/postgresql/postgresql.formatter.ts | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/languages/postgresql/postgresql.formatter.ts b/src/languages/postgresql/postgresql.formatter.ts
index d3d8a51fd2..14ba55171b 100644
--- a/src/languages/postgresql/postgresql.formatter.ts
+++ b/src/languages/postgresql/postgresql.formatter.ts
@@ -8,6 +8,7 @@ const reservedSelect = expandPhrases(['SELECT [ALL | DISTINCT]']);
 const reservedClauses = expandPhrases([
   // queries
   'WITH [RECURSIVE]',
+  'INTO [TEMPORARY | TEMP | UNLOGGED] [TABLE]',
   'FROM',
   'WHERE',
   'GROUP BY [ALL | DISTINCT]',

From 910c8ec6db0972522591979db3675a7ff6b45d4a Mon Sep 17 00:00:00 2001
From: Akinfenwa Obaseyi <obaseyiakin03@gmail.com>
Date: Fri, 23 Oct 2026 08:23:25 +0100
Subject: [PATCH 2/2] test(postgresql): cover SELECT INTO clauses and modifiers

---
 test/postgresql.test.ts | 38 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)

diff --git a/test/postgresql.test.ts b/test/postgresql.test.ts
index e8e99adfea..455522ed99 100644
--- a/test/postgresql.test.ts
+++ b/test/postgresql.test.ts
@@ -25,6 +25,44 @@ describe('PostgreSqlFormatter', () => {
   const language = 'postgresql';
   const format: FormatFn = (query, cfg = {}) => originalFormat(query, { ...cfg, language });
 
+  // Issue #864
+  it.each([
+    'INTO',
+    'INTO TABLE',
+    'INTO TEMP',
+    'INTO TEMP TABLE',
+    'INTO TEMPORARY',
+    'INTO TEMPORARY TABLE',
+    'INTO UNLOGGED',
+    'INTO UNLOGGED TABLE',
+  ])('formats SELECT %s on a separate line', into => {
+    const result = format(`SELECT id, name ${into} new_users FROM users WHERE active;`);
+    expect(result).toBe(dedent`
+      SELECT
+        id,
+        name
+      ${into}
+        new_users
+      FROM
+        users
+      WHERE
+        active;
+    `);
+    expect(format(result)).toBe(result);
+  });
+
+  it('formats the case of SELECT INTO modifiers', () => {
+    expect(format('select id into temporary table new_users from users;', { keywordCase: 'upper' }))
+      .toBe(dedent`
+      SELECT
+        id
+      INTO TEMPORARY TABLE
+        new_users
+      FROM
+        users;
+    `);
+  });
+
   behavesLikePostgresqlFormatter(format);
   supportsCreateView(format, { orReplace: true, materialized: true, ifNotExists: true });
   supportsCreateTable(format, { ifNotExists: true });