net.sf.saffron.oj.rel
Class JavaTableAccessRel

java.lang.Object
  |
  +--net.sf.saffron.rel.SaffronRel
        |
        +--net.sf.saffron.rel.TableAccessRel
              |
              +--net.sf.saffron.oj.rel.JavaTableAccessRel

public class JavaTableAccessRel

extends TableAccessRel

Implements the TableAccessRel relational expression in Java code.

Field Summary

Fields inherited from class net.sf.saffron.rel.TableAccessRel

connection, table

Fields inherited from class net.sf.saffron.rel.SaffronRel

cluster, digest, id, rowType

Constructor Summary

JavaTableAccessRel(VolcanoCluster cluster, ImplementableTable table, SaffronConnection connection)

Method Summary

Object	clone()
CallingConvention	getConvention() Returns a value from CallingConvention.
Object	implement(RelImplementor implementor, int ordinal) Create a plan for this expression according to a calling convention.

Methods inherited from class net.sf.saffron.rel.TableAccessRel

computeSelfCost, deriveRowType, explain, getConnection, getRows, getTable

Methods inherited from class net.sf.saffron.rel.SaffronRel

childrenAccept, computeDigest, getChildExps, getCluster, getCorrelVariable, getId, getInput, getInputs, getOrCreateCorrelVariable, getQualifier, getQuery, getRelTypeName, getRowType, getVariablesStopped, implementFieldAccess, isAccessTo, isDistinct, onRegister, recomputeDigest, register, registerCorrelVariable, replaceInput, setCorrelVariable, toString

Methods inherited from class java.lang.Object

equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

JavaTableAccessRel

public JavaTableAccessRel(VolcanoCluster cluster,
                          ImplementableTable table,
                          SaffronConnection connection)

Method Detail

getConvention

public CallingConvention getConvention()

Description copied from class: SaffronRel

Returns a value from CallingConvention.

Overrides:

getConvention in class SaffronRel

clone

public Object clone()

Overrides:

clone in class TableAccessRel

implement

public Object implement(RelImplementor implementor,
                        int ordinal)

Description copied from class: SaffronRel

Create a plan for this expression according to a calling convention.

Overrides:

implement in class SaffronRel

Parameters:

implementor - implementor

ordinal - indicates our position in the pre-, in- and postfix walk over the tree; ordinal is -1 when called from the parent, and i when called from the i^th child.