flink-issues mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From GitBox <...@apache.org>
Subject [GitHub] [flink] bowenli86 commented on a change in pull request #8314: [FLINK-12365][table] Add stats related catalog APIs
Date Wed, 01 May 2019 17:08:19 GMT
bowenli86 commented on a change in pull request #8314: [FLINK-12365][table] Add stats related
catalog APIs
URL: https://github.com/apache/flink/pull/8314#discussion_r280133941
 
 

 ##########
 File path: flink-table/flink-table-common/src/main/java/org/apache/flink/table/catalog/stats/CatalogColumnStatisticsDataBoolean.java
 ##########
 @@ -0,0 +1,61 @@
+/*
+ * 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.flink.table.catalog.stats;
+
+import java.util.Map;
+
+/**
+ * Column statistics value of boolean type.
+ */
+public class CatalogColumnStatisticsDataBoolean extends CatalogColumnStatisticsDataBase {
+	/**
+	 * number of "true" values.
+	 */
+	private final long trueCount;
+
+	/**
+	 * number of "false" values.
+	 */
+	private final long falseCount;
+
+	public CatalogColumnStatisticsDataBoolean(long trueCount, long falseCount, long nullCount)
{
+		super(nullCount);
+		this.trueCount = trueCount;
+		this.falseCount = falseCount;
+	}
+
+	public CatalogColumnStatisticsDataBoolean(long trueCount, long falseCount, long nullCount,
Map<String, String> properties) {
+		super(nullCount, properties);
+		this.trueCount = trueCount;
+		this.falseCount = falseCount;
+	}
+
+	public Long getTrueCount() {
+		return trueCount;
+	}
+
+	public Long getFalseCount() {
+		return falseCount;
+	}
+
+	public CatalogColumnStatisticsDataBoolean copy() {
+		return new CatalogColumnStatisticsDataBoolean(trueCount, falseCount, getNullCount(), getProperties());
 
 Review comment:
   create a copy of the properties?

----------------------------------------------------------------
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


With regards,
Apache Git Services

Mime
View raw message