add AskwangSQLQueryTest

paimon-core/src/main/java/org/apache/paimon/table/system/SnapshotsTable.java

@@ -152,7 +152,13 @@ public InnerTableScan withFilter(Predicate predicate) {
 
         @Override
         public Plan innerPlan() {
-            return () -> Collections.singletonList(new SnapshotsSplit(location));
+            // return () -> Collections.singletonList(new SnapshotsSplit(location));
+            return new Plan() {
+                @Override
+                public List<Split> splits() {
+                    return Collections.singletonList(new SnapshotsSplit(location));
+                }
+            };
         }
     }
 

paimon-spark/paimon-spark-common/src/main/scala/org/apache/paimon/spark/PaimonBaseScanBuilder.scala

@@ -60,6 +60,8 @@ abstract class PaimonBaseScanBuilder(table: Table)
     val visitor = new PartitionPredicateVisitor(table.partitionKeys())
     filters.foreach {
       filter =>
+        // 将 EqualTo(dt,2024-04-11 11:01:00.0)] 转为为 Equal(dt, 2024-04-11T11:01)]
+        // spark 引擎这里没有做转换
         val predicate = converter.convertIgnoreFailure(filter)
         if (predicate == null) {
           postScan.append(filter)

paimon-spark/paimon-spark-common/src/test/scala/org/apache/paimon/spark/sql/AskwangSQLQueryTest.scala

@@ -0,0 +1,43 @@
+
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.paimon.spark.sql
+
+import org.apache.paimon.spark.PaimonSparkTestBase
+
+/**
+ * @author askwang
+ * @date 2024/7/6
+ */
+class AskwangSQLQueryTest extends PaimonSparkTestBase{
+
+  test("select timestamp field by where for append table") {
+    withTable("tb") {
+      spark.conf.set("spark.sql.planChangeLog.level", "INFO")
+      println("version: " + sparkVersion)
+      spark.sql(s"CREATE TABLE tb (id INT, dt TIMESTAMP) using paimon TBLPROPERTIES ('file.format'='parquet')")
+      val ds = sql("INSERT INTO `tb` VALUES (1,cast(\"2024-04-11 11:01:00\" as Timestamp))")
+      val data = sql("SELECT * FROM `tb` where dt ='2024-04-11 11:01:00' ")
+      println(data.queryExecution)
+      println(data.show())
+      println("=====")
+      println(data.explain(true))
+    }
+  }
+}