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java.lang.Objectsimpledb.opt.TablePlanner
class TablePlanner
This class contains methods for planning a single table.
Constructor Summary | |
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TablePlanner(java.lang.String tblname,
Predicate mypred,
Transaction tx)
Creates a new table planner. |
Method Summary | |
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Plan |
makeJoinPlan(Plan current)
Constructs a join plan of the specified plan and the table. |
Plan |
makeProductPlan(Plan current)
Constructs a product plan of the specified plan and this table. |
Plan |
makeSelectPlan()
Constructs a select plan for the table. |
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 TablePlanner(java.lang.String tblname, Predicate mypred, Transaction tx)
tblname
- the name of the tablemypred
- the query predicatetx
- the calling transactionMethod Detail |
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public Plan makeSelectPlan()
public Plan makeJoinPlan(Plan current)
current
- the specified plan
public Plan makeProductPlan(Plan current)
current
- the specified plan
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