Revert "[HUDI-2495] Resolve inconsistent key generation for timestamp…

hudi-common/src/main/java/org/apache/hudi/avro/HoodieAvroUtils.java

@@ -59,7 +59,6 @@
 import java.math.BigDecimal;
 import java.nio.ByteBuffer;
 import java.nio.charset.StandardCharsets;
-import java.sql.Timestamp;
 import java.time.LocalDate;
 import java.util.ArrayList;
 import java.util.Arrays;
@@ -542,8 +541,6 @@ public static Object convertValueForSpecificDataTypes(Schema fieldSchema, Object
   private static Object convertValueForAvroLogicalTypes(Schema fieldSchema, Object fieldValue) {
     if (fieldSchema.getLogicalType() == LogicalTypes.date()) {
       return LocalDate.ofEpochDay(Long.parseLong(fieldValue.toString()));
-    } else if (fieldSchema.getLogicalType() == LogicalTypes.timestampMicros()) {
-      return new Timestamp(Long.parseLong(fieldValue.toString()) / 1000);
     } else if (fieldSchema.getLogicalType() instanceof LogicalTypes.Decimal) {
       Decimal dc = (Decimal) fieldSchema.getLogicalType();
       DecimalConversion decimalConversion = new DecimalConversion();

hudi-spark-datasource/hudi-spark/src/main/scala/org/apache/spark/sql/hudi/command/SqlKeyGenerator.scala

@@ -17,7 +17,6 @@
 
 package org.apache.spark.sql.hudi.command
 
-import java.sql.Timestamp
 import java.util.concurrent.TimeUnit.{MICROSECONDS, MILLISECONDS}
 
 import org.apache.avro.generic.GenericRecord
@@ -97,7 +96,7 @@ class SqlKeyGenerator(props: TypedProperties) extends ComplexKeyGenerator(props)
                 val timeMs = if (rowType) { // In RowType, the partitionPathValue is the time format string, convert to millis
                   SqlKeyGenerator.sqlTimestampFormat.parseMillis(_partitionValue)
                 } else {
-                  Timestamp.valueOf(_partitionValue).getTime
+                  MILLISECONDS.convert(_partitionValue.toLong, MICROSECONDS)
                 }
                 val timestampFormat = PartitionPathEncodeUtils.escapePathName(
                     SqlKeyGenerator.timestampTimeFormat.print(timeMs))