Resolve the problem that time series value cannot be standard date format.

Author: zerolbsony

integration-test/src/test/java/org/apache/iotdb/relational/it/schema/IoTDBAlterTimeSeriesTypeIT.java

@@ -299,7 +299,7 @@ private void doWriteAndAlter(TSDataType from, TSDataType to)
       session.insertTablet(tablet);
       tablet.reset();
 
-      log.error("Write completely");
+      log.info("Write completely");
 
       dataSet =
           session.executeQueryStatement(
@@ -1223,7 +1223,7 @@ public void testAlignDeviceSequenceDataQuery(TSDataType from, TSDataType to)
     } finally {
       try (ISession session = EnvFactory.getEnv().getSessionConnection()) {
         session.executeNonQueryStatement(
-                "DELETE TIMESERIES " + database + ".construct_and_alter_column_type.**");
+            "DELETE TIMESERIES " + database + ".construct_and_alter_column_type.**");
       }
     }
   }

iotdb-core/datanode/src/main/java/org/apache/iotdb/db/queryengine/execution/operator/source/SeriesScanUtil.java

@@ -84,6 +84,7 @@
 import java.io.IOException;
 import java.io.Serializable;
 import java.nio.charset.StandardCharsets;
+import java.util.Arrays;
 import java.util.Collections;
 import java.util.Comparator;
 import java.util.LinkedList;
@@ -922,7 +923,10 @@ private TsBlock getTransferedDataTypeTsBlock(TsBlock tsBlock) {
       for (int i = 0; i < length; i++) {
         TSDataType finalDataType = getTsDataTypeList().get(i);
         if ((valueColumns[i].getDataType() != finalDataType)
-            && SchemaUtils.isUsingSameColumn(valueColumns[i].getDataType(), finalDataType)) {
+            && (SchemaUtils.isUsingSameColumn(valueColumns[i].getDataType(), finalDataType)
+                || (valueColumns[i].getDataType().equals(TSDataType.DATE)
+                    && Arrays.asList(TSDataType.STRING, TSDataType.TEXT)
+                        .contains(finalDataType)))) {
           isTypeInconsistent = true;
           break;
         }

iotdb-core/datanode/src/main/java/org/apache/iotdb/db/utils/datastructure/IntTVList.java

@@ -135,8 +135,7 @@ protected void expandValues() {
 
   @Override
   public TimeValuePair getTimeValuePair(int index) {
-    return new TimeValuePair(
-        getTime(index), TsPrimitiveType.getByType(dataType, getInt(index)));
+    return new TimeValuePair(getTime(index), TsPrimitiveType.getByType(dataType, getInt(index)));
   }
 
   @Override