From dce043245a6c403152e04ddce14d786e9532c2ca Mon Sep 17 00:00:00 2001
From: Felix Lebel <felix@vynatu.io>
Date: Sat, 18 Jan 2025 17:55:13 -0500
Subject: [PATCH 1/2] Add raw index creation on the schema blueprint for
 **postgresql** via `$table->rawIndex("sql here", "index_name")` and
 `$table->index([DB::raw(...)], 'index_name')`.

---
 src/Illuminate/Database/Schema/Blueprint.php         | 12 ++++++++++++
 .../Database/Schema/Grammars/PostgresGrammar.php     |  8 ++++++++
 src/Illuminate/Database/Schema/IndexDefinition.php   |  1 +
 3 files changed, 21 insertions(+)

diff --git a/src/Illuminate/Database/Schema/Blueprint.php b/src/Illuminate/Database/Schema/Blueprint.php
index ca2eed4eb55b..e5f316ddb4b0 100755
--- a/src/Illuminate/Database/Schema/Blueprint.php
+++ b/src/Illuminate/Database/Schema/Blueprint.php
@@ -716,6 +716,18 @@ public function rawIndex($expression, $name)
         return $this->index([new Expression($expression)], $name);
     }
 
+    /**
+     * Specify a raw unique index for the table.
+     *
+     * @param  string  $expression
+     * @param  string  $name
+     * @return \Illuminate\Database\Schema\IndexDefinition
+     */
+    public function rawUnique($expression, $name)
+    {
+        return $this->unique([new Expression($expression)], $name);
+    }
+
     /**
      * Specify a foreign key for the table.
      *
diff --git a/src/Illuminate/Database/Schema/Grammars/PostgresGrammar.php b/src/Illuminate/Database/Schema/Grammars/PostgresGrammar.php
index c9a579fdad2e..85132736621d 100755
--- a/src/Illuminate/Database/Schema/Grammars/PostgresGrammar.php
+++ b/src/Illuminate/Database/Schema/Grammars/PostgresGrammar.php
@@ -314,6 +314,14 @@ public function compilePrimary(Blueprint $blueprint, Fluent $command)
      */
     public function compileUnique(Blueprint $blueprint, Fluent $command)
     {
+        if ($command->useCreateIndex) {
+            return sprintf('create unique index %s on %s (%s)',
+                $this->wrap($command->index),
+                $this->wrapTable($blueprint),
+                $this->columnize($command->columns),
+            );
+        }
+
         $sql = sprintf('alter table %s add constraint %s unique (%s)',
             $this->wrapTable($blueprint),
             $this->wrap($command->index),
diff --git a/src/Illuminate/Database/Schema/IndexDefinition.php b/src/Illuminate/Database/Schema/IndexDefinition.php
index fc5d78e5b92f..a961a2662d6a 100644
--- a/src/Illuminate/Database/Schema/IndexDefinition.php
+++ b/src/Illuminate/Database/Schema/IndexDefinition.php
@@ -9,6 +9,7 @@
  * @method $this language(string $language) Specify a language for the full text index (PostgreSQL)
  * @method $this deferrable(bool $value = true) Specify that the unique index is deferrable (PostgreSQL)
  * @method $this initiallyImmediate(bool $value = true) Specify the default time to check the unique index constraint (PostgreSQL)
+ * @method $this useCreateIndex(bool $value = true) Specify if the unique index will be created using CREATE UNIQUE INDEX (PostgreSQL)
  */
 class IndexDefinition extends Fluent
 {

From 857d0224888b93219ce7f273b37982854d8565d6 Mon Sep 17 00:00:00 2001
From: Felix Lebel <felix@vynatu.io>
Date: Sat, 18 Jan 2025 18:11:56 -0500
Subject: [PATCH 2/2] Add tests

---
 .../DatabasePostgresSchemaGrammarTest.php     | 30 +++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/tests/Database/DatabasePostgresSchemaGrammarTest.php b/tests/Database/DatabasePostgresSchemaGrammarTest.php
index 097f1a7f7c3d..a0a1ce94a527 100755
--- a/tests/Database/DatabasePostgresSchemaGrammarTest.php
+++ b/tests/Database/DatabasePostgresSchemaGrammarTest.php
@@ -274,6 +274,16 @@ public function testAddingUniqueKey()
         $this->assertSame('alter table "users" add constraint "bar" unique ("foo")', $statements[0]);
     }
 
+    public function testAddingUniqueKeyViaUseCreateIndex()
+    {
+        $blueprint = new Blueprint('users');
+        $blueprint->unique('foo', 'bar')->useCreateIndex();
+        $statements = $blueprint->toSql($this->getConnection(), $this->getGrammar());
+
+        $this->assertCount(1, $statements);
+        $this->assertSame('create unique index "bar" on "users" ("foo")', $statements[0]);
+    }
+
     public function testAddingIndex()
     {
         $blueprint = new Blueprint('users');
@@ -364,6 +374,26 @@ public function testAddingRawIndex()
         $this->assertSame('create index "raw_index" on "users" ((function(column)))', $statements[0]);
     }
 
+    public function testAddingRawUniqueKey()
+    {
+        $blueprint = new Blueprint('users');
+        $blueprint->rawUnique('foo,bar', 'baz');
+        $statements = $blueprint->toSql($this->getConnection(), $this->getGrammar());
+
+        $this->assertCount(1, $statements);
+        $this->assertSame('alter table "users" add constraint "baz" unique (foo,bar)', $statements[0]);
+    }
+
+    public function testAddingRawUniqueKeyViaUseCreateIndex()
+    {
+        $blueprint = new Blueprint('users');
+        $blueprint->rawUnique('function(column)', 'baz')->useCreateIndex();
+        $statements = $blueprint->toSql($this->getConnection(), $this->getGrammar());
+
+        $this->assertCount(1, $statements);
+        $this->assertSame('create unique index "baz" on "users" (function(column))', $statements[0]);
+    }
+
     public function testAddingIncrementingID()
     {
         $blueprint = new Blueprint('users');