[HUDI-3465] Add validation of column stats and bloom filters in HoodieMetadataTableValidator (#4878)

hudi-common/src/main/java/org/apache/hudi/common/model/HoodieColumnRangeMetadata.java

@@ -105,7 +105,7 @@ public class HoodieColumnRangeMetadata<T> {
   public String toString() {
     return "HoodieColumnRangeMetadata{"
         + "filePath ='" + filePath + '\''
-        + "columnName='" + columnName + '\''
+        + ", columnName='" + columnName + '\''
         + ", minValue=" + minValue
         + ", maxValue=" + maxValue
         + ", nullCount=" + nullCount

hudi-common/src/main/java/org/apache/hudi/common/util/ParquetUtils.java

@@ -18,10 +18,6 @@
 
 package org.apache.hudi.common.util;
 
-import org.apache.avro.Schema;
-import org.apache.avro.generic.GenericRecord;
-import org.apache.hadoop.conf.Configuration;
-import org.apache.hadoop.fs.Path;
 import org.apache.hudi.avro.HoodieAvroUtils;
 import org.apache.hudi.common.fs.FSUtils;
 import org.apache.hudi.common.model.HoodieColumnRangeMetadata;
@@ -30,6 +26,11 @@ import org.apache.hudi.common.model.HoodieRecord;
 import org.apache.hudi.exception.HoodieIOException;
 import org.apache.hudi.exception.MetadataNotFoundException;
 import org.apache.hudi.keygen.BaseKeyGenerator;
+
+import org.apache.avro.Schema;
+import org.apache.avro.generic.GenericRecord;
+import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.fs.Path;
 import org.apache.log4j.LogManager;
 import org.apache.log4j.Logger;
 import org.apache.parquet.avro.AvroParquetReader;
@@ -46,6 +47,7 @@ import org.apache.parquet.schema.OriginalType;
 import org.apache.parquet.schema.PrimitiveType;
 
 import javax.annotation.Nonnull;
+
 import java.io.IOException;
 import java.math.BigDecimal;
 import java.math.BigInteger;
@@ -80,6 +82,17 @@ public class ParquetUtils extends BaseFileUtils {
     return filterParquetRowKeys(configuration, filePath, filter, HoodieAvroUtils.getRecordKeySchema());
   }
 
+  public static ParquetMetadata readMetadata(Configuration conf, Path parquetFilePath) {
+    ParquetMetadata footer;
+    try {
+      // TODO(vc): Should we use the parallel reading version here?
+      footer = ParquetFileReader.readFooter(FSUtils.getFs(parquetFilePath.toString(), conf).getConf(), parquetFilePath);
+    } catch (IOException e) {
+      throw new HoodieIOException("Failed to read footer for parquet " + parquetFilePath, e);
+    }
+    return footer;
+  }
+
   /**
    * Read the rowKey list matching the given filter, from the given parquet file. If the filter is empty, then this will
    * return all the rowkeys.
@@ -184,17 +197,6 @@ public class ParquetUtils extends BaseFileUtils {
     }
   }
 
-  public ParquetMetadata readMetadata(Configuration conf, Path parquetFilePath) {
-    ParquetMetadata footer;
-    try {
-      // TODO(vc): Should we use the parallel reading version here?
-      footer = ParquetFileReader.readFooter(FSUtils.getFs(parquetFilePath.toString(), conf).getConf(), parquetFilePath);
-    } catch (IOException e) {
-      throw new HoodieIOException("Failed to read footer for parquet " + parquetFilePath, e);
-    }
-    return footer;
-  }
-
   /**
    * Get the schema of the given parquet file.
    */