sql-to-csv-spark

From SQL queries to CSV files with native Spark jobs (in Scala and Python)

License	License Apache-2.0
Categories	Categories CSV Data Data Formats
GroupId	GroupId org.bom4v.ti
ArtifactId	ArtifactId sql-to-csv-spark_2.11
Last Version	Last Version 0.0.5-spark2.4-hive3hdp
Release Date	Release Date Jun 25, 2019
Type	Type jar
Description	Description sql-to-csv-spark From SQL queries to CSV files with native Spark jobs (in Scala and Python)
Project URL	Project URL https://github.com/bom4v/spark-submit-sql
Project Organization	Project Organization Business Object Models for Verticals (BOM4V)
Source Code Management	Source Code Management https://github.com/bom4v/spark-submit-sql

Download sql-to-csv-spark_2.11

Filename	Size
sql-to-csv-spark_2.11-0.0.5-spark2.4-hive3hdp.pom
sql-to-csv-spark_2.11-0.0.5-spark2.4-hive3hdp.jar	45 KB
sql-to-csv-spark_2.11-0.0.5-spark2.4-hive3hdp-sources.jar	5 KB
sql-to-csv-spark_2.11-0.0.5-spark2.4-hive3hdp-javadoc.jar	365 KB
Browse

How to add to project

Apache Maven

<!-- https://jarcasting.com/artifacts/org.bom4v.ti/sql-to-csv-spark_2.11/ -->
<dependency>
    <groupId>org.bom4v.ti</groupId>
    <artifactId>sql-to-csv-spark_2.11</artifactId>
    <version>0.0.5-spark2.4-hive3hdp</version>
</dependency>

Gradle Groovy

// https://jarcasting.com/artifacts/org.bom4v.ti/sql-to-csv-spark_2.11/
implementation 'org.bom4v.ti:sql-to-csv-spark_2.11:0.0.5-spark2.4-hive3hdp'

Gradle Kotlin

// https://jarcasting.com/artifacts/org.bom4v.ti/sql-to-csv-spark_2.11/
implementation ("org.bom4v.ti:sql-to-csv-spark_2.11:0.0.5-spark2.4-hive3hdp")

Apache Buildr

'org.bom4v.ti:sql-to-csv-spark_2.11:jar:0.0.5-spark2.4-hive3hdp'

Apache Ivy

<dependency org="org.bom4v.ti" name="sql-to-csv-spark_2.11" rev="0.0.5-spark2.4-hive3hdp">
  <artifact name="sql-to-csv-spark_2.11" type="jar" />
</dependency>

Groovy Grape

@Grapes(
@Grab(group='org.bom4v.ti', module='sql-to-csv-spark_2.11', version='0.0.5-spark2.4-hive3hdp')
)

Scala SBT

libraryDependencies += "org.bom4v.ti" % "sql-to-csv-spark_2.11" % "0.0.5-spark2.4-hive3hdp"

Leiningen

[org.bom4v.ti/sql-to-csv-spark_2.11 "0.0.5-spark2.4-hive3hdp"]

Dependencies

compile (8)

Group / Artifact	Type	Version
org.scala-lang : scala-library	jar	2.11.12
com.github.nscala-time : nscala-time_2.11	jar	2.22.0
org.apache.spark : spark-core_2.11	jar	2.4.0
org.apache.spark : spark-sql_2.11	jar	2.4.0
org.apache.spark : spark-mllib_2.11	jar	2.4.0
org.apache.spark : spark-hive_2.11	jar	2.4.0
org.apache.hadoop : hadoop-aws	jar	3.1.1
com.hortonworks.hive » hive-warehouse-connector_2.11	jar	1.0.0.3.1.2.1-1

test (1)

Group / Artifact	Type	Version
org.specs2 : specs2-core_2.11	jar	4.4.1

Project Modules

There are no modules declared in this project.

SQL to CSV for Hive

Reference

How to install Python virtual environments with Pyenv and pipenv

Overview

That repository aims to provide simple command-line interface (CLI) utilities to execute SQL queries, and to generate the corresponding CSV data files, on the Hive database of Spark-based Hadoop/big data clusters (e.g., Cloudera CDH, Hortonworks HDP, MapR).

That utility would match in features the classical SQL database CLI/client tools such as MySQL CLI (mysql), Postgre CLI (psql), MS SQL CLI (bcp) and Oracle SQL*Plus (sqlplus).

It means that this Spark utility:

Takes as input parameter the (local) path of a SQL query script
Takes as input parameter the path of the CSV data file resulting from the execution of that SQL query
Executes the SQL qeury on the Spark cluster through a direct spark-submit call (as opposed to a call to either JDBC/ODBC connector or through the Thrift protocol)

For some reason, there does not seem to exist such tools (as of beginning of 2019), though the Spark ecosystem of course provides various SQL-related tools:

Spark SQL has a CLI utility, namely spark-sql, but which does not provide a way to execute queries from SQL script files and to generate the corresponding CSV files
PySpark Beeline CLI, which allows to extract CSV data files from SQL queries, but which uses the Thrift protocol through JDBC/ODBC connectors, therefore imposing some constraints and limits, for instance on the amount of records which can be extracted from the Hive database.
Zeppelin SQL interpreter and Hive/Superset UI, which are not CLI tools, and which have some limitations here again on the number of records that can be extracted from the Hive database

From version 3 of the Hortonworks Data Platform (HDP), Hive needs a specific connector developed by Hortonworks, namely Spark LLAP, also known as (aka) Hive Warehouse Connector (HWC). The JAR artefacts are available on Hortonworks own public Maven repository, with a dependency on Hadoop AWS, for which the pure Java artefacts are available on Maven central repository. For some reason, SBT seems to have difficulties to resolve the pure Java dependencies on that Hadoop AWS component, and there is therefore an explicit dependency statement in the build.sbt file.

Installation

Short version

Just add the dependency on sql-to-csv-spark in the SBT project configuration (typically, build.sbt in the project root directory):

libraryDependencies += "org.bom4v.ti" %% "sql-to-csv-spark" % "0.0.5-spark2.3-hive3hdp"

The JAR artefacts are available on the Maven central repository

Details

A convenient way to get the Spark ecosystem and CLI tools (e.g., spark-submit, spark-shell, spark-sql, beeline, pyspark and sparkR) is through PySpark. PySpark is a Python wrapper around Spark libraries, run through a Java Virtual Machine (JVM) handily provided by OpenJDK.

To guarantee a full reproducibility with the Python stack, pyenv and pipenv are used here. Also, .python_version and Pipfile are part of the project. The user has therefore just to install pyenv and pipenv, and then all the commands described in this document become easily accessible and reproducible.

Follow the instructions on how-to install Python and Java for Spark for more details. Basically:

The pyenv utility is installed from GitHub
Specific versions of Python (namely, at the time of writing, 2.7.15 and 3.7.2) are installed in the user account file-system. Those specific Python frameworks provide the pip package management tool
The Python pipenv package is installed thanks to pip
The .python_version, Pipfile and Pipfile.lock files, specific per project folder, fully drive the versions of all the Python packages and of Python itself, so as to guarantee full reproducibility on all the platforms

Clone the Git repository

$ mkdir -p ~/dev/infra && cd ~/dev/infra
$ git clone https://github.com/bom4v/spark-submit-sql.git
$ cd ~/dev/infra/spark-submit-sql

Java

Once an OpenJDK JVM has been installed, specify JAVA_HOME accordingly in ~/.bashrc
Maven also needs to be installed

Debian/Ubuntu

$ sudo aptitude -y install openjdk-8-jdk maven
$ export JAVA_HOME="/usr/lib/jvm/java-8-openjdk-amd64"

Fedora/CentOS/RedHat

$ sudo dnf -y install java-1.8.0-openjdk maven
$ export JAVA_HOME="/usr/lib/jvm/java-1.8.0-openjdk"

MacOS

Visit https://jdk.java.net/8/, download and install the MacOS package

$ export JAVA_HOME=$(/usr/libexec/java_home -v 1.8)
$ brew install maven

SBT

Download and install SBT

Python-related dependencies

pyenv:

$ git clone https://github.com/pyenv/pyenv.git ${HOME}/.pyenv
$ cat >> ~/.bashrc << _EOF

# Pyenv
# git clone https://github.com/pyenv/pyenv.git \${HOME}/.pyenv
export PATH=\${PATH}:\${HOME}/.pyenv/bin
if command -v pyenv 1>/dev/null 2>&1
then
  eval "\$(pyenv init -)"
fi

_EOF
$ . ~/.bashrc
$ pyenv install 2.7.15 && pyenv install 3.7.2

pip and pipenv:

$ cd ~/dev/infra/spark-submit-sql
$ pyenv versions
  system
* 2.7.15 (set by ~/dev/infra/spark-submit-sql/.python-version)
  3.7.2
$ python --version
Python 2.7.15
$ pip install -U pip pipenv
$ pipenv install
Creating a virtualenv for this project...
Pipfile: ~/dev/infra/spark-submit-sql/Pipfile
Using ~/.pyenv/versions/2.7.15/bin/python (2.7.15) to create virtualenv...
⠇ Creating virtual environment...Using base prefix '~/.pyenv/versions/2.7.15'
New python executable in ~/.local/share/virtualenvs/spark-submit-sql-nFz46YtK/bin/python
Installing setuptools, pip, wheel...
done.
Running virtualenv with interpreter ~/.pyenv/versions/2.7.15/bin/python
✔ Successfully created virtual environment! 
Virtualenv location: ~/.local/share/virtualenvs/spark-submit-sql-nFz46YtK
Installing dependencies from Pipfile.lock (d2363d)...
  �   ▉▉▉▉▉▉▉▉▉▉▉▉▉▉▉▉▉▉▉▉▉▉▉▉▉▉▉▉▉▉▉▉ 2/2 — 00:00:20
To activate this project's virtualenv, run pipenv shell.
Alternatively, run a command inside the virtualenv with pipenv run.

Use the command-line script

Download the application JAR artefact from a Maven repository:

$ wget https://oss.sonatype.org/content/groups/public/org/bom4v/ti/sql-to-csv-spark_2.11/0.0.5-spark2.3-hive3hdp/sql-to-csv-spark_2.11-0.0.5-spark2.3-hive3hdp.jar

Launch the JAR application by specifying the input file with the SQL query and the output CSV file:

$ cat > sqlQuery.sql << _EOF
select 1 as testFlag
_EOF
$ spark-submit --master yarn --deploy-mode client \
  --class org.bom4v.ti.StandaloneQueryLauncher \
  sql-to-csv-spark_2.11-0.0.5-spark2.3-hive3hdp.jar sqlQuery.sql output.csv
$ spark-submit --master yarn --deploy-mode client \
  --class org.bom4v.ti.SparkClusterQueryLauncher \
  sql-to-csv-spark_2.11-0.0.5-spark2.3-hive3hdp.jar sqlQuery.sql output.csv
$ hdfs dfs -get incoming/output.csv
$ hdfs dfs -rm -skipTrash incoming/output.csv
$ cat output.csv
1

Use the Scala library

Write a program like:

$ mkdir -p src/main/scala/myorg
$ cat > src/main/scala/myorg/Demonstrator.scala << _EOF
import org.bom4v.ti

_EOF

Contribute to that project

Simple test

Compile and package the SQL-based data extractor:

$ sbt 'set isSnapshot := true' compile package publishM2 publishLocal
[info] Loading settings for project spark-submit-sql-build from plugins.sbt ...
[info] Loading project definition from ~/dev/infra/spark-submit-sql/project
[info] Updating ProjectRef(uri("file:~/dev/infra/spark-submit-sql/project/"), "spark-submit-sql-build")...
[info] Done updating.
[info] Compiling 3 Scala sources to ~/dev/infra/spark-submit-sql/target/scala-2.11/classes ...
[info] Done compiling.
[success] Total time: 10 s, completed Feb 18, 2019 7:58:17 PM
[warn] Multiple main classes detected.  Run 'show discoveredMainClasses' to see the list
[info] Packaging ~/dev/infra/spark-submit-sql/target/scala-2.11/sql-to-csv-spark_2.11-0.0.5-spark2.3-hive3hdp.jar ...
[info] Done packaging.
[success] Total time: 1 s, completed Feb 18, 2019 7:58:18 PM
[info] Packaging ~/dev/infra/spark-submit-sql/target/scala-2.11/sql-to-csv-spark_2.11-0.0.5-spark2.3-hive3hdp-sources.jar ...
[info] Done packaging.
[info] Wrote ~/dev/infra/spark-submit-sql/target/scala-2.11/sql-to-csv-spark_2.11-0.0.5-spark2.3-hive3hdp.pom
[info] Main Scala API documentation to ~/dev/infra/spark-submit-sql/target/scala-2.11/api...
model contains 8 documentable templates
[info] Main Scala API documentation successful.
[info] Packaging ~/dev/infra/spark-submit-sql/target/scala-2.11/sql-to-csv-spark_2.11-0.0.5-spark2.3-heive3hdp-javadoc.jar ...
[info] Done packaging.
[info] 	published sql-to-csv-spark_2.11 to file:~/.m2/repository/org/bom4v/ti/sql-to-csv-spark_2.11/0.0.5-spark2.3-hive3hdp/sql-to-csv-spark_2.11-0.0.5-spark2.3-hive3hdp.pom
[info] 	published sql-to-csv-spark_2.11 to file:~/.m2/repository/org/bom4v/ti/sql-to-csv-spark_2.11/0.0.5-spark2.3-hive3hdp/sql-to-csv-spark_2.11-0.0.5-spark2.3-hive3hdp.jar
[info] 	published sql-to-csv-spark_2.11 to file:~/.m2/repository/org/bom4v/ti/sql-to-csv-spark_2.11/0.0.5-spark2.3-hive3hdp/sql-to-csv-spark_2.11-0.0.5-spark2.3-hive3hdp-sources.jar
[info] 	published sql-to-csv-spark_2.11 to file:~/.m2/repository/org/bom4v/ti/sql-to-csv-spark_2.11/0.0.5-spark2.3-hive3hdp/sql-to-csv-spark_2.11-0.0.5-spark2.3-hive3hdp-javadoc.jar
[success] Total time: 2 s, completed Feb 18, 2019 7:58:19 PM
[info] Wrote ~/dev/infra/spark-submit-sql/target/scala-2.11/sql-to-csv-spark_2.11-0.0.5-spark2.3-hive3hdp.pom
[info] Main Scala API documentation to ~/dev/infra/spark-submit-sql/target/scala-2.11/api...
model contains 8 documentable templates
[info] Main Scala API documentation successful.
[info] Packaging ~/dev/infra/spark-submit-sql/target/scala-2.11/sql-to-csv-spark_2.11-0.0.5-spark2.3-hive3hdp-javadoc.jar ...
[info] Done packaging.
[info] :: delivering :: org.bom4v.ti#sql-to-csv-spark_2.11;0.0.5-spark2.3-hive3hdp :: 0.0.5-spark2.3-hive3hdp :: integration :: Mon Feb 18 19:58:21 CET 2019
[info] 	delivering ivy file to ~/dev/infra/spark-submit-sql/target/scala-2.11/ivy-0.0.1-spark2.3.xml
[info] 	published sql-to-csv-spark_2.11 to ~/.ivy2/local/org.bom4v.ti/sql-to-csv-spark_2.11/0.0.5-spark2.3-hive3hdp/poms/sql-to-csv-spark_2.11.pom
[info] 	published sql-to-csv-spark_2.11 to ~/.ivy2/local/org.bom4v.ti/sql-to-csv-spark_2.11/0.0.5-spark2.3-hive3hdp/jars/sql-to-csv-spark_2.11.jar
[info] 	published sql-to-csv-spark_2.11 to ~/.ivy2/local/org.bom4v.ti/sql-to-csv-spark_2.11/0.0.5-spark2.3-hive3hdp/srcs/sql-to-csv-spark_2.11-sources.jar
[info] 	published sql-to-csv-spark_2.11 to ~/.ivy2/local/org.bom4v.ti/sql-to-csv-spark_2.11/0.0.5-spark2.3-hive3hdp/docs/sql-to-csv-spark_2.11-javadoc.jar
[info] 	published ivy to ~/.ivy2/local/org.bom4v.ti/sql-to-csv-spark_2.11/0.0.5-spark2.3-hive3hdp/ivys/ivy.xml
[success] Total time: 1 s, completed Feb 18, 2019 7:58:21 PM

The above command generates JAR artefacts (mainly sql-to-csv-spark_2.11-0.0.5-spark2.3-hive3hdp.jar) locally in the project target directory, as well as in the Maven and Ivy2 user repositories (~/.m2 and ~/.ivy2 respectively).
The set isSnapshot := true option allows to silently override any previous versions of the JAR artefacts in the Maven and Ivy2 repositories
Check that the artefacts have been produced
- Locally (package command):

$ ls -laFh target/scala-2.11/sql-to-csv-spark_2.11-0.0.5-spark2.3-hive3hdp.jar 
-rw-r--r-- 1 USER GROUP 4.4K Feb 13 12:16 target/scala-2.11/sql-to-csv-spark_2.11-0.0.5-spark2.3-hive3hdp.jar

In the local Maven repository (publishM2 task):

$ ls -laFh ~/.m2/repository/org/bom4v/ti/sql-to-csv-spark_2.11/0.0.5-spark2.3-hive3hdp/sql-to-csv-spark_2.11-0.0.5-spark2.3-hive3hdp.jar
-rw-r--r-- 1 USER GROUP 4.4K Feb 13 12:16 ~/.m2/repository/org/bom4v/ti/sql-to-csv-spark_2.11/0.0.5-spark2.3-hive3hdp/sql-to-csv-spark_2.11-0.0.5-spark2.3-hive3hdp.jar

In the local Ivy2 repository (publishLocal task):

$ ls -laFh ~/.ivy2/local/org.bom4v.ti/sql-to-csv-spark_2.11/0.0.5-spark2.3-hive3hdp/jars/sql-to-csv-spark_2.11.jar
-rw-r--r-- 1 USER GROUP 4.4K Feb 13 12:16 ~/.ivy2/local/org.bom4v.ti/sql-to-csv-spark_2.11/0.0.5-spark2.3-hive3hdp/jars/sql-to-csv-spark_2.11.jar

Launch the job in the SBT JVM (the SQL query script(requests/hive-sql-to-csv-01-test.sql) and the output CSV data file (hive-generic.csv) are given as parameters at the end of the command line):

$ sbt "runMain org.bom4v.ti.StandaloneQueryLauncher requests/hive-sql-to-csv-01-test.sql hive-generic.csv"
[info] Loading settings for project spark-submit-sql-build from plugins.sbt ...
[info] Loading project definition from ~/dev/infra/spark-submit-sql/project
[info] Loading settings for project spark-submit-sql from build.sbt ...
[info] Set current project to sql-to-csv-spark (in build file:~/dev/infra/spark-submit-sql/)
[info] Running org.bom4v.ti.StandaloneQueryLauncher 
...
Spark: 2.3.2
Scala: version 2.11.12
File-path for the SQL query: requests/hive-sql-to-csv-01-test.sql
File-path for the expected CSV file: hive-generic.csv
SQL query:  select 1 as test
[success] Total time: 8 s, completed Feb 18, 2019 8:14:27 PM

One can see that the content of the SQL query file (requests/hive-sql-to-csv-01-test.sql) is select 1 as test, as expected
Launch the job with spark-submit (the SQL query script(requests/hive-sql-to-csv-01-test.sql) and the output CSV data file (hive-generic.csv) are given as parameters at the end of the command line)
- In local mode (for instance, on a laptop; that mode may not always work on the Spark/Hadoop clusters):

$ pipenv run spark-submit --master local \
  --class org.bom4v.ti.StandaloneQueryLauncher \
  target/scala-2.11/sql-to-csv-spark_2.11-0.0.5-spark2.3-hive3hdp.jar \
  requests/hive-sql-to-csv-01-test.sql hive-generic.csv
2019-02-18 20:22:46 INFO  SparkContext:54 - Running Spark version 2.4.0
2019-02-18 20:22:46 INFO  SparkContext:54 - Submitted application: StandaloneQuerylauncher
...
Spark: 2.4.0
Scala: version 2.11.12
File-path for the SQL query: requests/hive-sql-to-csv-01-test.sql
File-path for the expected CSV file: hive-generic.csv
SQL query:  select 1 as test
...
2019-02-18 20:22:47 INFO  SparkContext:54 - Successfully stopped SparkContext
2019-02-18 20:22:47 INFO  ShutdownHookManager:54 - Shutdown hook called
...

In Yarn cluster client mode with the standalone version (that method is basically the same as above):

$ pipenv run spark-submit --num-executors 1 --executor-memory 512m \
  --master yarn --deploy-mode client \
  --class org.bom4v.ti.StandaloneQueryLauncher \
  target/scala-2.11/sql-to-csv-spark_2.11-0.0.5-spark2.3-hive3hdp.jar \
  requests/hive-sql-to-csv-01-test.sql hive-generic.csv
...
Spark: 2.4.0
Scala: version 2.11.12
File-path for the SQL query: requests/hive-sql-to-csv-01-test.sql
File-path for the expected CSV file: hive-generic.csv
SQL query:  select 1 as test
...

In Yarn cluster client mode with an actual Spark client request (for instance, on the Spark/Hadoop clusters; that method needs a proper setup of those clusters in order to work, including the SPARK_HOME or YARN_CONF_DIR environment variable set; the spark-submit is not prefixed by pipenv run here because that command is provided by the Spark cluster client tools, for instance /usr/hdp/current/spark2-client on Hortonworks Hadoop distributions):

$ SPARK_HOME="/usr/hdp/current/spark2-client"
$ spark-submit --num-executors 1 --executor-memory 512m \
  --master yarn --deploy-mode client \
  --class org.bom4v.ti.SparkClusterQueryLauncher \
  target/scala-2.11/sql-to-csv-spark_2.11-0.0.5-spark2.3.jar \
  requests/hive-sql-to-csv-01-test.sql hive-generic.csv
SPARK_MAJOR_VERSION is set to 2, using Spark2
19/02/14 10:44:57 INFO SparkContext: Running Spark version 2.3.2.2.6.4.0-91
19/02/14 10:44:58 INFO SparkContext: Submitted application: SparkClusterQueryLauncher
19/02/14 10:45:03 INFO Client: Submitting application application_1549030509994_0353 to ResourceManager
19/02/14 10:45:03 INFO YarnClientImpl: Submitted application application_1549030509994_0353
...
Spark: 2.3.2.2.6.4.0-91
Scala: version 2.11.8
...
19/02/14 10:45:20 INFO DAGScheduler: ResultStage 1 (show at QueryLauncher.scala:92) finished in 0.112 s
19/02/14 10:45:21 INFO DAGScheduler: Job 0 finished: show at QueryLauncher.scala:92, took 4.422912 s
+----+
|test|
+----+
|   1|
+----+
...
19/02/14 10:45:22 INFO SparkContext: Successfully stopped SparkContext
19/02/14 10:45:22 INFO ShutdownHookManager: Shutdown hook called

A small Shell script, namely tools/execQuery.sh, is available to ease the launch of those Spark jobs on Hadoop/Spark clusters:

$ ./tools/execQuery.sh -h
Usage: ./tools/execQuery.sh <path-to-sql-script-file> <csv-output-data-file-on-hdfs>
  - Default SQL script:      requests/hive-sql-to-csv-01-test.sql
  - Default output CSV file: hive-generic.csv

That tool automatically downloads the Jar artefact if needed, and checks the incoming HDFS directory when the Spark job completes.

Check the resulting (compressed) CSV file. On recent versions of Hadoop (e.g., 3.1+), the data files produced by Spark are compressed (deflated in Hadoop parlance). After the merge process, they have to be uncompressed (inflated) before they can be read by a human being. An easy way to uncompress files is shown below thanks to Perl (inspired by a post on StackOverflow):

$ alias undeflate="perl -MCompress::Zlib -e 'undef $/; print uncompress(<>)'"
$ hdfs dfs -ls -h incoming/hive-generic.csv
Found 1 items
-rw-r--r--   3 USER GROUP  59 B 2019-02-14 13:27 incoming/hive-generic.csv
$ hdfs dfs -tail incoming/hive-generic.csv | undeflate
1
$ hdfs dfs -cat incoming/hive-generic.csv | undeflate | wc -l
1

For bigger files (e.g., hundreds of GB), you may want to recompress the file on the fly, for instance:

$ hdfs dfs -cat incoming/hive-generic-big-file.csv | undeflate | bzip2 -c | hdfs dfs -put - incoming/hive-generic-big-file.csv.bz2

Business Object Models (BOM) for Verticals

Business-focused object models for specific industries (eg, travel, telecoms). See http://github.com/bom4v/metamodels for more detail

Versions

Version
0.0.5-spark2.4-hive3hdp Jun 25, 2019
0.0.5-spark2.3-hive3hdp Jun 22, 2019
0.0.4-spark2.3-hive3hdp Jun 19, 2019
0.0.3-spark2.3-hive3hdp Apr 9, 2019
0.0.3-spark2.3 Mar 20, 2019
0.0.2-spark2.3 Mar 4, 2019
0.0.1-spark2.3 Feb 28, 2019
0.0.1 Feb 22, 2019

sql-to-csv-spark

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