From c5e8b95d76ce0b1283d0489c590c98ab64a37570 Mon Sep 17 00:00:00 2001
From: SevenJ-swj <sevenjworkstation@gmail.com>
Date: Wed, 20 Sep 2023 17:17:09 +0000
Subject: [PATCH] make information_schema case insensitive

---
 src/share/schema/ob_schema_getter_guard.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/share/schema/ob_schema_getter_guard.cpp b/src/share/schema/ob_schema_getter_guard.cpp
index 1e607c4c9..04d574cd1 100644
--- a/src/share/schema/ob_schema_getter_guard.cpp
+++ b/src/share/schema/ob_schema_getter_guard.cpp
@@ -1779,7 +1779,11 @@ int ObSchemaGetterGuard::get_database_id(uint64_t tenant_id,
                                             simple_database))) {
         LOG_WARN("get simple database failed", KR(ret), K(tenant_id), K(database_name));
       } else if (NULL == simple_database) {
-        LOG_INFO("database not exist", K(tenant_id), K(database_name));
+        if (0 == database_name.case_compare(OB_INFORMATION_SCHEMA_NAME)) {
+          database_id = OB_INFORMATION_SCHEMA_ID;
+        } else {
+          LOG_INFO("database not exist", K(tenant_id), K(database_name));
+        }
       } else {
         database_id = simple_database->get_database_id();
       }