From 91bf7ef942fbc89cefd3d1878b51a5b989920f14 Mon Sep 17 00:00:00 2001
From: codluca <lcodrutlucian@gmail.com>
Date: Mon, 13 Oct 2025 12:59:05 +0300
Subject: [PATCH] Update limit pushdown for Oracle

As Trino no longer supports Oracle version 11,
update limit pushdown from the older Oracle version (<=11) "ROWNUM <= number" syntax to the newer (>=12) "FETCH FIRST number ROWS ONLY" syntax.
---
 .../src/main/java/io/trino/plugin/oracle/OracleClient.java      | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/plugin/trino-oracle/src/main/java/io/trino/plugin/oracle/OracleClient.java b/plugin/trino-oracle/src/main/java/io/trino/plugin/oracle/OracleClient.java
index 0432c37f6494..136121d43971 100644
--- a/plugin/trino-oracle/src/main/java/io/trino/plugin/oracle/OracleClient.java
+++ b/plugin/trino-oracle/src/main/java/io/trino/plugin/oracle/OracleClient.java
@@ -620,7 +620,7 @@ private static Optional<JdbcTypeHandle> toTypeHandle(DecimalType decimalType)
     @Override
     protected Optional<BiFunction<String, Long, String>> limitFunction()
     {
-        return Optional.of((sql, limit) -> format("SELECT * FROM (%s) WHERE ROWNUM <= %s", sql, limit));
+        return Optional.of((sql, limit) -> format("%s FETCH FIRST %s ROWS ONLY", sql, limit));
     }
 
     @Override