I have solved the first problem.
Looking forward for your clarification about other problems.
Thanks in advance.
> On 8 Nov 2016, at 13:08, Dmitry Zagorulkin <zagorulki...@me.com> wrote:
>
> Hello everyone!
>
> I have started work on HIVE-1555 feature.
>
> There are few questions:
>
> 1) Current module structure looks like:
>
> ├── jdbc-handler.iml
> ├── pom.xml
> └── src
> ├── java
> │ └── org
> │ └── apache
> │ └── hive
> │ └── storagehandler
> │ ├── JDBCStorageHandler.java
> │ ├── db
> │ │ ├── HiveJDBCTypeBridge.java
> │ │ ├── HiveJDBCVendorBridge.java
> │ │ └── mysql
> │ │ ├── HiveMySqlTypeBridge.java
> │ │ └── HiveMySqlVendorBridge.java
> │ └── serde
> │ └── JDBCSerde.java
> ├── main
> │ └── resources
> └── test
> └── java
>
> pom.xml fragment:
>
> <build>
> <sourceDirectory>${basedir}/src/java</sourceDirectory>
> <testSourceDirectory>${basedir}/src/test</testSourceDirectory>
> <plugins>
> <plugin>
> <groupId>org.apache.maven.plugins</groupId>
> <artifactId>maven-jar-plugin</artifactId>
> <executions>
> <execution>
> <goals>
> <goal>test-jar</goal>
> </goals>
> </execution>
> </executions>
> </plugin>
> </plugins>
> </build>
>
> So this module builds fine, but i could not see jdbc-handler-XXX-.jar inside
> lib directory.
> What should i add in assembly build.xml?
>
> 2) What is the main difference between HiveStoragePredicateHandler and
> HiveStorageHandler? I’ve found that we need to implement
> HiveStoragePredicateHandler if storage handler needs support decomposition of
> predicates being pushed down into table scans. Is it true that RDBMS does not
> have this feature and i need to implement HiveStorageHandler?
>
> 3) I’ve found many useful classes like
> DBInputFormat,DBOutputFormat,{Oracle|Mysql*.Reader} which exists in
> org.apache.hadoop.mapreduce.lib.db but org.apache.hadoop packages are
> excluded from build. Should i use this classes in my code? Should i need to
> exclude filtering for org.apache.hadoop group?
>
>
> Thanks,
>
> Dmitry Zagorulkin
>
>
>
>
>
