Fix pgsql json search

packages/support/src/helpers.php

@@ -170,6 +170,20 @@ if (! function_exists('Filament\Support\generate_search_column_expression')) {
             };
         }
 
+        $column = match ($driverName) {
+            'pgsql' => str($column)->contains('->')
+                ? str($column)
+                    ->beforeLast('->')
+                    ->append('->>')
+                    ->append("'")
+                    ->append(str($column)->afterLast('->'))
+                    ->append("'")
+                : $column,
+            default => $column,
+        };
+
+        echo $column;
+
         $column = match ($driverName) {
             'pgsql' => "{$column}::text",
             default => $column,

tests/src/Support/helpersTest.php

@@ -1,7 +1,12 @@
 <?php
 
+
+use Illuminate\Database\Connection;
+use Illuminate\Database\Query\Grammars\MySqlGrammar;
+use Illuminate\Database\Query\Grammars\PostgresGrammar;
 use Illuminate\View\ComponentAttributeBag;
 
+use function Filament\Support\generate_search_column_expression;
 use function Filament\Support\prepare_inherited_attributes;
 
 it('will prepare attributes', function () {
@@ -39,3 +44,37 @@ it('will prepare data attributes', function () {
         'data-foo' => 'bar',
     ]);
 });
+
+it('will generate json search column expression for mysql', function () {
+    $column = 'data->name';
+    $isSearchForcedCaseInsensitive = true;
+
+    $databaseConnection = Mockery::mock(Connection::class);
+    $databaseConnection->shouldReceive('getDriverName')->andReturn('mysql');
+    $databaseConnection->shouldReceive('getConfig')->with('search_collation')->andReturn(null);
+
+    $grammar = new MySqlGrammar($databaseConnection);
+
+    $databaseConnection->shouldReceive('getQueryGrammar')->andReturn($grammar);
+
+    $expression = generate_search_column_expression($column, $isSearchForcedCaseInsensitive, $databaseConnection);
+
+    expect($expression->getValue($grammar))
+        ->toBe("lower(json_extract(`data`, '$.\"name\"'))");
+});
+
+it('will generate json search column expression for pgsql', function () {
+    $column = 'data->name';
+    $isSearchForcedCaseInsensitive = true;
+
+    $databaseConnection = Mockery::mock(Connection::class);
+    $databaseConnection->shouldReceive('getDriverName')->andReturn('pgsql');
+    $databaseConnection->shouldReceive('getConfig')->with('search_collation')->andReturn(null);
+
+    $grammar = new PostgresGrammar($databaseConnection);
+
+    $expression = generate_search_column_expression($column, $isSearchForcedCaseInsensitive, $databaseConnection);
+
+    expect($expression->getValue($grammar))
+        ->toBe("lower(data->>'name'::text)");
+});