spark-instrumented-optimizer/sql/core/pom.xml
Maxim Gekk 7a2d4895c7 [SPARK-17916][SQL] Fix empty string being parsed as null when nullValue is set.
## What changes were proposed in this pull request?

I propose to bump version of uniVocity parser up to 2.6.3 where quoted empty strings are replaced by the empty value (passed to `setEmptyValue`) instead of `null` values as in the current version 2.5.9:
https://github.com/uniVocity/univocity-parsers/blob/v2.6.3/src/main/java/com/univocity/parsers/csv/CsvParser.java#L125

Empty value for writer is set to `""`. So, empty string in dataframe/dataset is stored as empty quoted string `""`. Empty value for reader is set to empty string (zero size). In this way, saved empty quoted string will be read as just empty string. Please, look at the tests for more details.

Here are main changes made in [2.6.0](https://github.com/uniVocity/univocity-parsers/releases/tag/v2.6.0), [2.6.1](https://github.com/uniVocity/univocity-parsers/releases/tag/v2.6.1), [2.6.2](https://github.com/uniVocity/univocity-parsers/releases/tag/v2.6.2), [2.6.3](https://github.com/uniVocity/univocity-parsers/releases/tag/v2.6.3):

- CSV parser now parses quoted values ~30% faster
- CSV format detection process has option provide a list of possible delimiters, in order of priority ( i.e. settings.detectFormatAutomatically( '-', '.');) - https://github.com/uniVocity/univocity-parsers/issues/214
- Implemented trim quoted values support - https://github.com/uniVocity/univocity-parsers/issues/230
- NullPointer when stopping parser when nothing is parsed - https://github.com/uniVocity/univocity-parsers/issues/219
- Concurrency issue when calling stopParsing() - https://github.com/uniVocity/univocity-parsers/issues/231

Closes #20068

## How was this patch tested?

Added tests from the PR https://github.com/apache/spark/pull/20068

Author: Maxim Gekk <maxim.gekk@databricks.com>

Closes #21273 from MaxGekk/univocity-2.6.
2018-05-14 10:01:06 +08:00

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XML

<?xml version="1.0" encoding="UTF-8"?>
<!--
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~ 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
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~ distributed under the License is distributed on an "AS IS" BASIS,
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-->
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>org.apache.spark</groupId>
<artifactId>spark-parent_2.11</artifactId>
<version>2.4.0-SNAPSHOT</version>
<relativePath>../../pom.xml</relativePath>
</parent>
<artifactId>spark-sql_2.11</artifactId>
<packaging>jar</packaging>
<name>Spark Project SQL</name>
<url>http://spark.apache.org/</url>
<properties>
<sbt.project.name>sql</sbt.project.name>
</properties>
<dependencies>
<dependency>
<groupId>com.univocity</groupId>
<artifactId>univocity-parsers</artifactId>
<version>2.6.3</version>
<type>jar</type>
</dependency>
<dependency>
<groupId>org.apache.spark</groupId>
<artifactId>spark-sketch_${scala.binary.version}</artifactId>
<version>${project.version}</version>
</dependency>
<dependency>
<groupId>org.apache.spark</groupId>
<artifactId>spark-core_${scala.binary.version}</artifactId>
<version>${project.version}</version>
</dependency>
<dependency>
<groupId>org.apache.spark</groupId>
<artifactId>spark-core_${scala.binary.version}</artifactId>
<version>${project.version}</version>
<type>test-jar</type>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.apache.spark</groupId>
<artifactId>spark-catalyst_${scala.binary.version}</artifactId>
<version>${project.version}</version>
</dependency>
<dependency>
<groupId>org.apache.spark</groupId>
<artifactId>spark-catalyst_${scala.binary.version}</artifactId>
<version>${project.version}</version>
<type>test-jar</type>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.apache.spark</groupId>
<artifactId>spark-tags_${scala.binary.version}</artifactId>
</dependency>
<!--
This spark-tags test-dep is needed even though it isn't used in this module, otherwise testing-cmds that exclude
them will yield errors.
-->
<dependency>
<groupId>org.apache.spark</groupId>
<artifactId>spark-tags_${scala.binary.version}</artifactId>
<type>test-jar</type>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.apache.orc</groupId>
<artifactId>orc-core</artifactId>
<classifier>${orc.classifier}</classifier>
</dependency>
<dependency>
<groupId>org.apache.orc</groupId>
<artifactId>orc-mapreduce</artifactId>
<classifier>${orc.classifier}</classifier>
</dependency>
<dependency>
<groupId>org.apache.parquet</groupId>
<artifactId>parquet-column</artifactId>
</dependency>
<dependency>
<groupId>org.apache.parquet</groupId>
<artifactId>parquet-hadoop</artifactId>
</dependency>
<dependency>
<groupId>org.eclipse.jetty</groupId>
<artifactId>jetty-servlet</artifactId>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
</dependency>
<dependency>
<groupId>org.apache.arrow</groupId>
<artifactId>arrow-vector</artifactId>
</dependency>
<dependency>
<groupId>org.apache.xbean</groupId>
<artifactId>xbean-asm5-shaded</artifactId>
</dependency>
<dependency>
<groupId>org.scalacheck</groupId>
<artifactId>scalacheck_${scala.binary.version}</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>com.h2database</groupId>
<artifactId>h2</artifactId>
<version>1.4.195</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.postgresql</groupId>
<artifactId>postgresql</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.apache.parquet</groupId>
<artifactId>parquet-avro</artifactId>
<scope>test</scope>
</dependency>
<!--
This version of avro test-dep is different from the one defined
in the parent pom. The parent pom has avro 1.7.7 test-dep for Hadoop.
Here, ParquetAvroCompatibilitySuite uses parquet-avro's AvroParquetWriter
which uses avro 1.8.0+ specific API. In Maven 3, we need to have
this here to have different versions for the same artifact.
-->
<dependency>
<groupId>org.apache.avro</groupId>
<artifactId>avro</artifactId>
<version>1.8.1</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.mockito</groupId>
<artifactId>mockito-core</artifactId>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<outputDirectory>target/scala-${scala.binary.version}/classes</outputDirectory>
<testOutputDirectory>target/scala-${scala.binary.version}/test-classes</testOutputDirectory>
<plugins>
<!--
This plugin forces the generation of jar containing sql test classes,
so that the tests classes of external modules can use them. The two execution profiles
are necessary - first one for 'mvn package', second one for 'mvn test-compile'. Ideally,
'mvn compile' should not compile test classes and therefore should not need this.
However, a closed due to "Cannot Reproduce" Maven bug (https://issues.apache.org/jira/browse/MNG-3559)
causes the compilation to fail if catalyst test-jar is not generated. Hence, the
second execution profile for 'mvn test-compile'.
-->
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-jar-plugin</artifactId>
<executions>
<execution>
<id>prepare-test-jar</id>
<phase>test-compile</phase>
<goals>
<goal>test-jar</goal>
</goals>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.scalatest</groupId>
<artifactId>scalatest-maven-plugin</artifactId>
<configuration>
<argLine>-ea -Xmx4g -Xss4m -XX:ReservedCodeCacheSize=${CodeCacheSize}</argLine>
</configuration>
</plugin>
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>build-helper-maven-plugin</artifactId>
<executions>
<execution>
<id>add-scala-test-sources</id>
<phase>generate-test-sources</phase>
<goals>
<goal>add-test-source</goal>
</goals>
<configuration>
<sources>
<source>src/test/gen-java</source>
</sources>
</configuration>
</execution>
</executions>
</plugin>
</plugins>
</build>
</project>