fix(db): Fix Oracle JSON handling

Signed-off-by: Joas Schilling <coding@schilljs.com>

Author: nickvergessen

lib/private/DB/QueryBuilder/ExpressionBuilder/OCIExpressionBuilder.php

@@ -27,6 +27,32 @@ protected function prepareColumn($column, $type) {
 		return parent::prepareColumn($column, $type);
 	}
 
+	/**
+	 * @inheritdoc
+	 */
+	public function eq($x, $y, $type = null): string {
+		if ($type === IQueryBuilder::PARAM_JSON) {
+			$x = $this->prepareColumn($x, $type);
+			$y = $this->prepareColumn($y, $type);
+			return new QueryFunction('JSON_EQUAL(' . $x . ',' . $y . ')');
+		}
+
+		return parent::eq($x, $y, $type);
+	}
+
+	/**
+	 * @inheritdoc
+	 */
+	public function neq($x, $y, $type = null): string {
+		if ($type === IQueryBuilder::PARAM_JSON) {
+			$x = $this->prepareColumn($x, $type);
+			$y = $this->prepareColumn($y, $type);
+			return new QueryFunction('NOT JSON_EQUAL(' . $x . ',' . $y . ')');
+		}
+
+		return parent::neq($x, $y, $type);
+	}
+
 	/**
 	 * @inheritdoc
 	 */