Resolve the problem that python client don't support DATE data type in the IntColumn (#705)

* Resolve the problem that python client don't support DATE data type in the IntColumn;
Support data type compatible validation in the TimeSeriesMetadata.

* Fix.

Author: zerolbsony

java/tsfile/src/main/java/org/apache/tsfile/file/metadata/TimeseriesMetadata.java

@@ -328,7 +328,7 @@ public boolean typeMatch(List<TSDataType> dataTypes) {
   }
 
   public boolean typeMatch(TSDataType dataType) {
-    return this.dataType == dataType;
+    return dataType.isCompatible(getTsDataType());
   }
 
   @Override

java/tsfile/src/main/java/org/apache/tsfile/read/common/block/column/TsBlockSerde.java

@@ -103,6 +103,9 @@ public ByteBuffer serialize(TsBlock tsBlock) throws IOException {
 
     // Value column data types.
     for (int i = 0; i < tsBlock.getValueColumnCount(); i++) {
+      if (tsBlock.getColumn(i).getDataType() == TSDataType.DATE) {
+        ((IntColumn) tsBlock.getColumn(i)).modifyDataType(TSDataType.INT32);
+      }
       tsBlock.getColumn(i).getDataType().serializeTo(dataOutputStream);
     }