Package | Description |
---|---|
org.apache.hadoop.hive.ql.lib | |
org.apache.hadoop.hive.ql.optimizer | |
org.apache.hadoop.hive.ql.parse | |
org.apache.hadoop.hive.ql.parse.spark |
Modifier and Type | Class and Description |
---|---|
class |
DefaultGraphWalker
base class for operator graph walker this class takes list of starting ops
and walks them one by one.
|
class |
ExpressionWalker |
class |
ForwardWalker |
class |
LevelOrderWalker
This is a level-wise walker implementation which dispatches the node in the order
that the node will only get dispatched after all the parents are dispatched.
|
class |
PreOrderOnceWalker
Graph walker this class takes list of starting nodes and walks them in pre-order.
|
class |
PreOrderWalker
base class for operator graph walker this class takes list of starting ops
and walks them one by one.
|
class |
TaskGraphWalker
base class for operator graph walker this class takes list of starting ops
and walks them one by one.
|
Modifier and Type | Class and Description |
---|---|
static class |
ColumnPruner.ColumnPrunerWalker
Walks the op tree in post order fashion (skips selects with file sink or
script op children).
|
static class |
ConstantPropagate.ConstantPropagateWalker
Walks the op tree in root first order.
|
Modifier and Type | Class and Description |
---|---|
class |
GenMapRedWalker
Walks the operator tree in pre order fashion.
|
class |
GenTezWorkWalker
Walks the operator tree in DFS fashion.
|
class |
TezWalker
Walks the operator tree in DFS fashion.
|
Modifier and Type | Class and Description |
---|---|
class |
GenSparkWorkWalker
Walks the operator tree in DFS fashion.
|
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