[
https://issues.apache.org/jira/browse/GOBBLIN-2159?focusedWorklogId=936784&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-936784
]
ASF GitHub Bot logged work on GOBBLIN-2159:
-------------------------------------------
Author: ASF GitHub Bot
Created on: 27/Sep/24 11:46
Start Date: 27/Sep/24 11:46
Worklog Time Spent: 10m
Work Description: Blazer-007 commented on code in PR #4058:
URL: https://github.com/apache/gobblin/pull/4058#discussion_r1778491703
##########
gobblin-data-management/src/main/java/org/apache/gobblin/data/management/copy/iceberg/predicates/IcebergDateTimePartitionFilterPredicate.java:
##########
@@ -0,0 +1,123 @@
+/*
+ * 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.gobblin.data.management.copy.iceberg.predicates;
+
+import java.util.List;
+import java.util.Objects;
+import java.util.Properties;
+import java.util.function.Predicate;
+
+import org.apache.commons.lang3.StringUtils;
+import org.apache.iceberg.StructLike;
+import org.apache.iceberg.TableMetadata;
+import org.joda.time.DateTime;
+import org.joda.time.DateTimeZone;
+import org.joda.time.format.DateTimeFormat;
+import org.joda.time.format.DateTimeFormatter;
+
+import com.google.common.base.Preconditions;
+import com.google.common.collect.ImmutableList;
+
+import org.apache.gobblin.data.management.copy.iceberg.IcebergDatasetFinder;
+
+/**
+ * Predicate implementation for filtering Iceberg partitions based on datetime
values.
+ * <p>
+ * This class filters partitions by checking if the partition datetime falls
within a specified range.
+ * </p>
+ * <ul>
+ * <li>The datetime partition column is expected to be a string column.</li>
+ * <li>The datetime partition column values are expected to be in the format
specified by the pattern in the properties.</li>
+ * <li>The start and end dates are also specified in the properties.</li>
+ * </ul>
+ */
+public class IcebergDateTimePartitionFilterPredicate implements
Predicate<StructLike> {
+
+ private static final List<String> supportedTransforms =
ImmutableList.of("identity");
+ private static final String DATETIME_PARTITION_KEY = "partition.datetime";
+ private static final String DATETIME_PARTITION_PATTERN_KEY =
DATETIME_PARTITION_KEY + ".pattern";
+ private static final String DATETIME_PARTITION_STARTDATE_KEY =
DATETIME_PARTITION_KEY + ".startdate";
+ private static final String DATETIME_PARTITION_ENDDATE_KEY =
DATETIME_PARTITION_KEY + ".enddate";
+ private final int partitionColumnIndex;
+ private final DateTimeFormatter dateTimeFormatter;
+ private final DateTime startDate;
+ private final DateTime endDate;
+
+ /**
+ * Constructs an {@code IcebergDateTimePartitionFilterPredicate} with the
specified parameters.
+ *
+ * @param partitionColumnName the name of the partition column
+ * @param tableMetadata the metadata of the Iceberg table
+ * @param properties the properties containing partition configuration
+ * @throws IllegalArgumentException if the partition column is not found or
required properties are missing
+ */
+ public IcebergDateTimePartitionFilterPredicate(String partitionColumnName,
TableMetadata tableMetadata,
+ Properties properties) {
+
+ this.partitionColumnIndex =
IcebergPartitionFilterPredicateUtil.getPartitionColumnIndex(partitionColumnName,
+ tableMetadata, supportedTransforms);;
+ Preconditions.checkArgument(this.partitionColumnIndex != -1,
+ String.format("Partition column %s not found", partitionColumnName));
+
+ String partitionPattern =
IcebergDatasetFinder.getLocationQualifiedProperty(properties,
+ IcebergDatasetFinder.CatalogLocation.SOURCE,
+ DATETIME_PARTITION_PATTERN_KEY);
+
+ String startDateVal =
IcebergDatasetFinder.getLocationQualifiedProperty(properties,
+ IcebergDatasetFinder.CatalogLocation.SOURCE,
+ DATETIME_PARTITION_STARTDATE_KEY);
+
+ String endDateVal =
IcebergDatasetFinder.getLocationQualifiedProperty(properties,
+ IcebergDatasetFinder.CatalogLocation.SOURCE,
+ DATETIME_PARTITION_ENDDATE_KEY);
+
+ Preconditions.checkArgument(StringUtils.isNotBlank(partitionPattern),
"DateTime Partition pattern cannot be empty");
+ Preconditions.checkArgument(StringUtils.isNotBlank(startDateVal),
"DateTime Partition start date cannot be empty");
+ Preconditions.checkArgument(StringUtils.isNotBlank(endDateVal), "DateTime
Partition end date cannot be empty");
+
+ this.dateTimeFormatter =
DateTimeFormat.forPattern(partitionPattern).withZone(DateTimeZone.UTC);
Review Comment:
https://github.com/apache/gobblin/pull/4058#discussion_r1778490720
Issue Time Tracking
-------------------
Worklog Id: (was: 936784)
Time Spent: 4h 10m (was: 4h)
> Support Partition Based Copy in Iceberg Distcp
> ----------------------------------------------
>
> Key: GOBBLIN-2159
> URL: https://issues.apache.org/jira/browse/GOBBLIN-2159
> Project: Apache Gobblin
> Issue Type: Task
> Reporter: Vivek Rai
> Priority: Major
> Time Spent: 4h 10m
> Remaining Estimate: 0h
>
--
This message was sent by Atlassian Jira
(v8.20.10#820010)
