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java.lang.Object org.apache.hadoop.hive.ql.hooks.Entity org.apache.hadoop.hive.ql.hooks.WriteEntity
public class WriteEntity
This class encapsulates an object that is being written to by the query. This object may be a table, partition, dfs directory or a local directory.
Nested Class Summary | |
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static class |
WriteEntity.WriteType
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Nested classes/interfaces inherited from class org.apache.hadoop.hive.ql.hooks.Entity |
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Entity.Type |
Constructor Summary | |
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WriteEntity()
Only used by serialization. |
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WriteEntity(org.apache.hadoop.hive.metastore.api.Database database,
WriteEntity.WriteType type)
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WriteEntity(DummyPartition p,
WriteEntity.WriteType type,
boolean complete)
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WriteEntity(Partition p,
WriteEntity.WriteType type)
Constructor for a partition. |
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WriteEntity(org.apache.hadoop.fs.Path d,
boolean islocal)
Constructor for a file. |
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WriteEntity(org.apache.hadoop.fs.Path d,
boolean islocal,
boolean isTemp)
Constructor for a file. |
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WriteEntity(Table t,
WriteEntity.WriteType type)
Constructor for a table. |
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WriteEntity(Table t,
WriteEntity.WriteType type,
boolean complete)
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Method Summary | |
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static WriteEntity.WriteType |
determineAlterTableWriteType(AlterTableDesc.AlterTableTypes op)
Determine the type of lock to request for a given alter table type. |
boolean |
equals(Object o)
Equals function. |
WriteEntity.WriteType |
getWriteType()
Determine which type of write this is. |
boolean |
isTempURI()
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Methods inherited from class org.apache.hadoop.hive.ql.hooks.Entity |
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getD, getDatabase, getLocation, getName, getP, getParameters, getPartition, getT, getTable, getTyp, getType, hashCode, isComplete, isDummy, setComplete, setD, setDatabase, setName, setP, setT, setTyp, toString |
Methods inherited from class java.lang.Object |
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getClass, notify, notifyAll, wait, wait, wait |
Constructor Detail |
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public WriteEntity()
public WriteEntity(org.apache.hadoop.hive.metastore.api.Database database, WriteEntity.WriteType type)
public WriteEntity(Table t, WriteEntity.WriteType type)
t
- Table that is written to.public WriteEntity(Table t, WriteEntity.WriteType type, boolean complete)
public WriteEntity(Partition p, WriteEntity.WriteType type)
p
- Partition that is written to.public WriteEntity(DummyPartition p, WriteEntity.WriteType type, boolean complete)
public WriteEntity(org.apache.hadoop.fs.Path d, boolean islocal)
d
- The name of the directory that is being written to.islocal
- Flag to decide whether this directory is local or in dfs.public WriteEntity(org.apache.hadoop.fs.Path d, boolean islocal, boolean isTemp)
d
- The name of the directory that is being written to.islocal
- Flag to decide whether this directory is local or in dfs.isTemp
- True if this is a temporary location such as scratch dirMethod Detail |
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public WriteEntity.WriteType getWriteType()
public boolean equals(Object o)
equals
in class Entity
public boolean isTempURI()
public static WriteEntity.WriteType determineAlterTableWriteType(AlterTableDesc.AlterTableTypes op)
op
- Operation type from the alter table description
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