You are viewing a plain text version of this content. The canonical link for it is here.
Posted to commits@hudi.apache.org by GitBox <gi...@apache.org> on 2020/05/08 21:43:50 UTC
[GitHub] [incubator-hudi] pratyakshsharma commented on a change in pull request #1597: Added a MultiFormatTimestampBasedKeyGenerator that allows for multipl…
pratyakshsharma commented on a change in pull request #1597:
URL: https://github.com/apache/incubator-hudi/pull/1597#discussion_r422389920
##########
File path: hudi-utilities/src/main/java/org/apache/hudi/utilities/keygen/MultiFormatTimestampBasedKeyGenerator.java
##########
@@ -0,0 +1,183 @@
+/*
+ * 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.hudi.utilities.keygen;
+
+import org.apache.avro.generic.GenericRecord;
+import org.apache.hudi.DataSourceUtils;
+import org.apache.hudi.common.model.HoodieKey;
+import org.apache.hudi.common.util.TypedProperties;
+import org.apache.hudi.exception.HoodieKeyException;
+import org.apache.hudi.exception.HoodieNotSupportedException;
+import org.apache.hudi.keygen.SimpleKeyGenerator;
+import org.apache.hudi.utilities.exception.HoodieDeltaStreamerException;
+
+import java.io.Serializable;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.TimeZone;
+
+import org.joda.time.DateTime;
+import org.joda.time.DateTimeZone;
+import org.joda.time.format.DateTimeFormat;
+import org.joda.time.format.DateTimeFormatter;
+import org.joda.time.format.DateTimeFormatterBuilder;
+import org.joda.time.format.DateTimeParser;
+
+/**
+ * Key generator, that relies on timestamps for partitioning field. Still picks record key by name.
+ */
+public class MultiFormatTimestampBasedKeyGenerator extends SimpleKeyGenerator {
+
+ enum TimestampType implements Serializable {
+ UNIX_TIMESTAMP, DATE_STRING, MIXED, EPOCHMILLISECONDS
+ }
+
+ private final TimestampType timestampType;
+ private final String outputDateFormat;
+ private final String configInputDateFormatList;
+ private final String configInputDateFormatDelimiter;
+
+
+ // TimeZone detailed settings reference
+ // https://docs.oracle.com/javase/8/docs/api/java/util/TimeZone.html
+ private final DateTimeZone inputDateTimeZone;
+ private final DateTimeZone outputDateTimeZone;
+
+ /**
+ * Supported configs.
+ */
+ static class Config {
+ // One value from TimestampType above
+ private static final String TIMESTAMP_TYPE_FIELD_PROP = "hoodie.deltastreamer.keygen.timebased.timestamp.type";
+
+ private static final String TIMESTAMP_INPUT_DATE_FORMAT_LIST_PROP = "hoodie.deltastreamer.keygen.timebased.input.dateformatlist";
+ private static final String TIMESTAMP_INPUT_DATE_FORMAT_LIST_DELIMETER_REGEX_PROP = "hoodie.deltastreamer.keygen.timebased.input.dateformatlistdelimiterregex";
+ private static final String TIMESTAMP_INPUT_TIMEZONE_FORMAT_PROP = "hoodie.deltastreamer.keygen.timebased.input.timezone";
+
+ private static final String TIMESTAMP_OUTPUT_DATE_FORMAT_PROP = "hoodie.deltastreamer.keygen.timebased.output.dateformat";
+ private static final String TIMESTAMP_OUTPUT_TIMEZONE_FORMAT_PROP = "hoodie.deltastreamer.keygen.timebased.output.timezone";
+ }
+
+ public MultiFormatTimestampBasedKeyGenerator(TypedProperties config) {
+ super(config);
+ DataSourceUtils.checkRequiredProperties(config,
+ Arrays.asList(Config.TIMESTAMP_TYPE_FIELD_PROP, Config.TIMESTAMP_OUTPUT_DATE_FORMAT_PROP));
+
+ String inputTimeZone = config.getString(Config.TIMESTAMP_INPUT_TIMEZONE_FORMAT_PROP, "");
+ String outputTimeZone = config.getString(Config.TIMESTAMP_OUTPUT_TIMEZONE_FORMAT_PROP, "");
+
+ this.timestampType = TimestampType.valueOf(config.getString(Config.TIMESTAMP_TYPE_FIELD_PROP));
+ this.outputDateFormat = config.getString(Config.TIMESTAMP_OUTPUT_DATE_FORMAT_PROP);
+ this.configInputDateFormatList = config.getString(Config.TIMESTAMP_INPUT_DATE_FORMAT_LIST_PROP, "");
+
+ String inputDateFormatDelimiter = this.config.getString(Config.TIMESTAMP_INPUT_DATE_FORMAT_LIST_DELIMETER_REGEX_PROP, ",").trim();
+ inputDateFormatDelimiter = inputDateFormatDelimiter.isEmpty() ? "," : inputDateFormatDelimiter;
+ this.configInputDateFormatDelimiter = inputDateFormatDelimiter;
+
+ if (inputTimeZone != null && !inputTimeZone.trim().isEmpty()) {
+ this.inputDateTimeZone = DateTimeZone.forTimeZone(TimeZone.getTimeZone(config.getString(Config.TIMESTAMP_INPUT_TIMEZONE_FORMAT_PROP, "")));
+ } else {
+ this.inputDateTimeZone = null;
+ }
+ if (outputTimeZone != null && !outputTimeZone.trim().isEmpty()) {
+ this.outputDateTimeZone = DateTimeZone.forTimeZone(TimeZone.getTimeZone(config.getString(Config.TIMESTAMP_OUTPUT_TIMEZONE_FORMAT_PROP, "")));
+ } else {
+ this.outputDateTimeZone = null;
+ }
+
+ if (timestampType == TimestampType.DATE_STRING || timestampType == TimestampType.MIXED) {
+ DataSourceUtils.checkRequiredProperties(config,
+ Collections.singletonList(Config.TIMESTAMP_INPUT_DATE_FORMAT_LIST_PROP));
+ }
+ }
+
+ private DateTimeFormatter getInputDateFormatter() {
+ if (this.configInputDateFormatList.isEmpty()) {
+ throw new IllegalArgumentException(Config.TIMESTAMP_INPUT_DATE_FORMAT_LIST_PROP + " configuration is required");
+ }
+
+ DateTimeFormatter formatter = new DateTimeFormatterBuilder()
+ .append(
+ null,
+ Arrays.asList(
+ this.configInputDateFormatList.split(this.configInputDateFormatDelimiter))
+ .stream()
+ .map(String::trim)
+ .map(DateTimeFormat::forPattern)
+ .map(DateTimeFormatter::getParser)
+ .toArray(DateTimeParser[]::new))
+ .toFormatter();
+ if (this.inputDateTimeZone != null) {
+ formatter = formatter.withZone(this.inputDateTimeZone);
+ } else {
+ formatter = formatter.withOffsetParsed();
+ }
+
+ return formatter;
+ }
+
+ @Override
+ public HoodieKey getKey(GenericRecord record) {
+ Object partitionVal = DataSourceUtils.getNestedFieldVal(record, partitionPathField, true);
+ if (partitionVal == null) {
+ partitionVal = 1L;
+ }
+
+ DateTimeFormatter inputFormatter = this.getInputDateFormatter();
+ DateTimeFormatter partitionFormatter = DateTimeFormat.forPattern(outputDateFormat);
+ if (this.outputDateTimeZone != null) {
+ partitionFormatter = partitionFormatter.withZone(outputDateTimeZone);
+ }
+
+ try {
+ long unixTime;
+ if (partitionVal instanceof Double) {
+ unixTime = ((Double) partitionVal).longValue();
+ } else if (partitionVal instanceof Float) {
+ unixTime = ((Float) partitionVal).longValue();
+ } else if (partitionVal instanceof Long) {
+ unixTime = (Long) partitionVal;
+ } else if (partitionVal instanceof CharSequence) {
+ DateTime parsedDateTime = inputFormatter.parseDateTime(partitionVal.toString());
+
+ if (this.outputDateTimeZone == null) {
+ // Use the timezone that came off the date that was passed in, if it had one
+ partitionFormatter = partitionFormatter.withZone(parsedDateTime.getZone());
+ }
+
+ unixTime = inputFormatter.parseDateTime(partitionVal.toString()).getMillis() / 1000;
+ } else {
+ throw new HoodieNotSupportedException(
+ "Unexpected type for partition field: " + partitionVal.getClass().getName());
+ }
+ DateTime timestamp = this.timestampType == TimestampType.EPOCHMILLISECONDS ? new DateTime(unixTime, outputDateTimeZone) : new DateTime(unixTime * 1000, outputDateTimeZone);
Review comment:
I guess Vinoth is talking about this one - https://github.com/apache/incubator-hudi/pull/1541.
----------------------------------------------------------------
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
For queries about this service, please contact Infrastructure at:
users@infra.apache.org