Implement case insensitive function-based unique index.

yajra · Nov 21, 2020 · 0213d65 · 0213d65
1 parent f54923b
commit 0213d65
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Showing 2 changed files with 12 additions and 4 deletions.
diff --git a/src/Oci8/Schema/Grammars/OracleGrammar.php b/src/Oci8/Schema/Grammars/OracleGrammar.php
@@ -266,7 +266,15 @@ public function compileForeign(Blueprint $blueprint, Fluent $command)
      */
     public function compileUnique(Blueprint $blueprint, Fluent $command)
     {
-        return 'alter table ' . $this->wrapTable($blueprint) . " add constraint {$command->index} unique ( " . $this->columnize($command->columns) . ' )';
+        $columns =  array_map(function($column) {
+            $column = $this->wrap($column);
+
+            return "lower({$column})";
+        }, $command->columns);
+
+        $columns = implode(', ', $columns);
+
+        return sprintf('create unique index %s on %s (%s)', $command->index, $this->wrapTable($blueprint), $columns);
     }
 
     /**

diff --git a/tests/Oci8SchemaGrammarTest.php b/tests/Oci8SchemaGrammarTest.php
@@ -438,7 +438,7 @@ public function testAddingUniqueKey()
         $statements = $blueprint->toSql($this->getConnection(), $this->getGrammar());
 
         $this->assertEquals(1, count($statements));
-        $this->assertEquals('alter table users add constraint bar unique ( foo )', $statements[0]);
+        $this->assertEquals('create unique index bar on users (lower(foo))', $statements[0]);
     }
 
     public function testAddingDefinedUniqueKeyWithPrefix()
@@ -453,7 +453,7 @@ public function testAddingDefinedUniqueKeyWithPrefix()
         $statements = $blueprint->toSql($this->getConnection(), $grammar);
 
         $this->assertEquals(1, count($statements));
-        $this->assertEquals('alter table prefix_users add constraint bar unique ( foo )', $statements[0]);
+        $this->assertEquals('create unique index bar on prefix_users (lower(foo))', $statements[0]);
     }
 
     public function testAddingGeneratedUniqueKeyWithPrefix()
@@ -468,7 +468,7 @@ public function testAddingGeneratedUniqueKeyWithPrefix()
         $statements = $blueprint->toSql($this->getConnection(), $grammar);
 
         $this->assertEquals(1, count($statements));
-        $this->assertEquals('alter table prefix_users add constraint prefix_users_foo_uk unique ( foo )',
+        $this->assertEquals('create unique index prefix_users_foo_uk on prefix_users (lower(foo))',
             $statements[0]);
     }