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java.lang.Objectorg.apache.hadoop.hive.ql.Driver
public class Driver
Constructor Summary | |
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Driver()
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Driver(HiveConf conf)
for backwards compatibility with current tests |
Method Summary | |
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int |
close()
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int |
compile(String command)
Compile a new query. |
int |
countJobs(List<Task<? extends Serializable>> tasks)
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int |
countJobs(List<Task<? extends Serializable>> tasks,
List<Task<? extends Serializable>> seenTasks)
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int |
execute()
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org.apache.hadoop.mapred.ClusterStatus |
getClusterStatus()
Return the status information about the Map-Reduce cluster |
int |
getMaxRows()
Return the maximum number of rows returned by getResults |
QueryPlan |
getPlan()
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boolean |
getResults(Vector<String> res)
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Schema |
getSchema()
Get a Schema with fields represented with native Hive types |
Schema |
getThriftSchema()
Get a Schema with fields represented with Thrift DDL types |
boolean |
hasReduceTasks(List<Task<? extends Serializable>> tasks)
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int |
run(String command)
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void |
setMaxRows(int maxRows)
Set the maximum number of rows returned by getResults |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public Driver(HiveConf conf)
public Driver()
Method Detail |
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public int countJobs(List<Task<? extends Serializable>> tasks)
public int countJobs(List<Task<? extends Serializable>> tasks, List<Task<? extends Serializable>> seenTasks)
public org.apache.hadoop.mapred.ClusterStatus getClusterStatus() throws Exception
Exception
public Schema getSchema() throws Exception
Exception
public Schema getThriftSchema() throws Exception
Exception
public int getMaxRows()
public void setMaxRows(int maxRows)
public boolean hasReduceTasks(List<Task<? extends Serializable>> tasks)
public int compile(String command)
command
- The SQL query to compile.public QueryPlan getPlan()
public int run(String command)
run
in interface CommandProcessor
public int execute()
public boolean getResults(Vector<String> res) throws IOException
IOException
public int close()
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