diff --git a/externals/kyuubi-spark-sql-engine/src/main/scala/org/apache/kyuubi/engine/spark/operation/SparkOperation.scala b/externals/kyuubi-spark-sql-engine/src/main/scala/org/apache/kyuubi/engine/spark/operation/SparkOperation.scala
index 646afe65b..67d1ecd69 100644
--- a/externals/kyuubi-spark-sql-engine/src/main/scala/org/apache/kyuubi/engine/spark/operation/SparkOperation.scala
+++ b/externals/kyuubi-spark-sql-engine/src/main/scala/org/apache/kyuubi/engine/spark/operation/SparkOperation.scala
@@ -18,7 +18,6 @@
 package org.apache.kyuubi.engine.spark.operation
 
 import java.time.ZoneId
-import java.util.regex.Pattern
 
 import org.apache.commons.lang3.StringUtils
 import org.apache.hive.service.rpc.thrift.{TRowSet, TTableSchema}
@@ -62,6 +61,8 @@ abstract class SparkOperation(spark: SparkSession, opType: OperationType, sessio
    *
    * Underscores (_) are converted to '.' and percent signs (%) are converted to '.*'.
    *
+   * (referred to Spark's implementation: convertPattern function in file MetadataOperation.java)
+   *
    * @param input the SQL pattern to convert
    * @return the equivalent Java regular expression of the pattern
    */
@@ -71,19 +72,10 @@ abstract class SparkOperation(spark: SparkSession, opType: OperationType, sessio
     } else {
       input
     }
-    val in = res.toIterator
-    val out = new StringBuilder()
-
-    while (in.hasNext) {
-      in.next match {
-        case c if c == '\\' && in.hasNext => Pattern.quote(Character.toString(in.next()))
-        case c if c == '\\' && !in.hasNext => Pattern.quote(Character.toString(c))
-        case '_' => out ++= "."
-        case '%' => out ++= ".*"
-        case c => out ++= Character.toString(c)
-      }
-    }
-    out.result()
+    val wStr = ".*"
+    res
+      .replaceAll("([^\\\\])%", "$1" + wStr).replaceAll("\\\\%", "%").replaceAll("^%", wStr)
+      .replaceAll("([^\\\\])_", "$1.").replaceAll("\\\\_", "_").replaceAll("^_", ".")
   }
 
   protected def onError(cancel: Boolean = false): PartialFunction[Throwable, Unit] = {
diff --git a/kyuubi-common/src/test/scala/org/apache/kyuubi/operation/BasicJDBCTests.scala b/kyuubi-common/src/test/scala/org/apache/kyuubi/operation/BasicJDBCTests.scala
index 07ff7518a..c05078f84 100644
--- a/kyuubi-common/src/test/scala/org/apache/kyuubi/operation/BasicJDBCTests.scala
+++ b/kyuubi-common/src/test/scala/org/apache/kyuubi/operation/BasicJDBCTests.scala
@@ -53,6 +53,8 @@ trait BasicJDBCTests extends JDBCTestUtils {
 
       checkGetSchemas(metaData.getSchemas(catalog, "db1"), Seq("db1"), catalog)
       checkGetSchemas(metaData.getSchemas(catalog, "db_not_exist"), Seq.empty, catalog)
+
+      checkGetSchemas(metaData.getSchemas(catalog, "global\\_temp"), Seq("global_temp"), catalog)
     }
   }