1 files changed, 42 insertions, 0 deletions
diff --git a/lib/private/DB/QueryBuilder/ExpressionBuilder/PgSqlExpressionBuilder.php b/lib/private/DB/QueryBuilder/ExpressionBuilder/PgSqlExpressionBuilder.php
new file mode 100644
index 00000000000..53a566a7eb6
--- /dev/null
+++ b/lib/private/DB/QueryBuilder/ExpressionBuilder/PgSqlExpressionBuilder.php
@@ -0,0 +1,42 @@
+<?php
+
+/**
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+namespace OC\DB\QueryBuilder\ExpressionBuilder;
+
+use OC\DB\QueryBuilder\QueryFunction;
+use OCP\DB\QueryBuilder\IQueryBuilder;
+use OCP\DB\QueryBuilder\IQueryFunction;
+
+class PgSqlExpressionBuilder extends ExpressionBuilder {
+	/**
+	 * Returns a IQueryFunction that casts the column to the given type
+	 *
+	 * @param string|IQueryFunction $column
+	 * @param mixed $type One of IQueryBuilder::PARAM_*
+	 * @psalm-param IQueryBuilder::PARAM_* $type
+	 * @return IQueryFunction
+	 */
+	public function castColumn($column, $type): IQueryFunction {
+		switch ($type) {
+			case IQueryBuilder::PARAM_INT:
+				return new QueryFunction('CAST(' . $this->helper->quoteColumnName($column) . ' AS BIGINT)');
+			case IQueryBuilder::PARAM_STR:
+				return new QueryFunction('CAST(' . $this->helper->quoteColumnName($column) . ' AS TEXT)');
+			default:
+				return parent::castColumn($column, $type);
+		}
+	}
+
+	/**
+	 * @inheritdoc
+	 */
+	public function iLike($x, $y, $type = null): string {
+		$x = $this->helper->quoteColumnName($x);
+		$y = $this->helper->quoteColumnName($y);
+		return $this->expressionBuilder->comparison($x, 'ILIKE', $y);
+	}
+}