Update 'updated_at' when enabled in replace()

system/BaseModel.php

@@ -1086,16 +1086,25 @@ public function onlyDeleted()
 	 * @param array|null $data      Data
 	 * @param boolean    $returnSQL Set to true to return Query String
 	 *
+	 * @throws DataException
+	 *
 	 * @return mixed
 	 */
 	public function replace(array $data = null, bool $returnSQL = false)
 	{
+		$data = $this->transformDataToArray($data, 'replace');
+
 		// Validate data before saving.
-		if ($data && ! $this->skipValidation && ! $this->cleanRules(true)->validate($data))
+		if (! $this->skipValidation && ! $this->cleanRules(true)->validate($data))
 		{
 			return false;
 		}
 
+		if ($this->useTimestamps && $this->updatedField && ! array_key_exists($this->updatedField, $data))
+		{
+			$data[$this->updatedField] = $this->setDate();
+		}
+
 		return $this->doReplace($data, $returnSQL);
 	}
 
@@ -1658,7 +1667,7 @@ protected function objectToRawArray($data, bool $onlyChanged = true, bool $recur
 	 */
 	protected function transformDataToArray($data, string $type): array
 	{
-		if (! in_array($type, ['insert', 'update'], true))
+		if (! in_array($type, ['insert', 'update', 'replace'], true))
 		{
 			throw new InvalidArgumentException(sprintf('Invalid type "%s" used upon transforming data to array.', $type));
 		}

system/Database/Postgre/Builder.php

@@ -143,16 +143,16 @@ public function decrement(string $column, int $value = 1)
 	/**
 	 * Replace
 	 *
-	 * Compiles an replace into string and runs the query.
+	 * Compiles a replace into string and runs the query.
 	 * Because PostgreSQL doesn't support the replace into command,
 	 * we simply do a DELETE and an INSERT on the first key/value
 	 * combo, assuming that it's either the primary key or a unique key.
 	 *
 	 * @param array $set An associative array of insert values
 	 *
-	 * @return   mixed
-	 * @throws   DatabaseException
-	 * @internal param true $bool returns the generated SQL, false executes the query.
+	 * @return mixed
+	 *
+	 * @throws DatabaseException
 	 */
 	public function replace(array $set = null)
 	{
@@ -167,27 +167,40 @@ public function replace(array $set = null)
 			{
 				throw new DatabaseException('You must use the "set" method to update an entry.');
 			}
-			// @codeCoverageIgnoreStart
-			return false;
-			// @codeCoverageIgnoreEnd
+
+			return false; // @codeCoverageIgnore
 		}
 
 		$table = $this->QBFrom[0];
+		$set   = $this->binds;
+
+		array_walk($set, static function (array &$item) {
+			$item = $item[0];
+		});
 
 		$key   = array_key_first($set);
 		$value = $set[$key];
 
 		$builder = $this->db->table($table);
-		$exists  = $builder->where("$key = $value", null, false)->get()->getFirstRow();
+		$exists  = $builder->where($key, $value, true)->get()->getFirstRow();
 
-		if (empty($exists))
+		if (empty($exists) && $this->testMode)
+		{
+			$result = $this->getCompiledInsert();
+		}
+		elseif (empty($exists))
 		{
 			$result = $builder->insert($set);
 		}
+		elseif ($this->testMode)
+		{
+			array_shift($set);
+			$result = $this->where($key, $value, true)->getCompiledUpdate();
+		}
 		else
 		{
-			array_pop($set);
-			$result = $builder->update($set, "$key = $value");
+			array_shift($set);
+			$result = $builder->where($key, $value, true)->update($set);
 		}
 
 		unset($builder);

tests/system/Models/ReplaceModelTest.php

@@ -0,0 +1,30 @@
+<?php
+
+namespace CodeIgniter\Models;
+
+use Tests\Support\Models\UserModel;
+
+final class ReplaceModelTest extends LiveModelTestCase
+{
+	public function testReplaceRespectsUseTimestamps(): void
+	{
+		$this->createModel(UserModel::class);
+
+		$data = [
+			'name'    => 'Amanda Holmes',
+			'email'   => 'amanda@holmes.com',
+			'country' => 'US',
+		];
+
+		$this->model->insert($data);
+		$data['country'] = 'UK';
+
+		$sql = $this->model->replace($data, true);
+		$this->assertStringNotContainsString('updated_at', $sql);
+
+		$this->model = $this->createModel(UserModel::class);
+		$this->setPrivateProperty($this->model, 'useTimestamps', true);
+		$sql = $this->model->replace($data, true);
+		$this->assertStringContainsString('updated_at', $sql);
+	}
+}