Class QueryPlan.PrimaryJoin

java.lang.Object

org.cojen.tupl.diag.QueryPlan

org.cojen.tupl.diag.QueryPlan.NaturalJoin

org.cojen.tupl.diag.QueryPlan.PrimaryJoin

All Implemented Interfaces:

Serializable

Enclosing class:

QueryPlan

public static final class QueryPlan.PrimaryJoin
extends QueryPlan.NaturalJoin

Query plan node which joins index rows to primary rows.

See Also:

• Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class org.cojen.tupl.diag.QueryPlan

QueryPlan.Aggregator, QueryPlan.Concat, QueryPlan.DisjointUnion, QueryPlan.Empty, QueryPlan.Exists, QueryPlan.Filter, QueryPlan.FullScan, QueryPlan.Grouper, QueryPlan.GroupSort, QueryPlan.Identity, QueryPlan.LoadOne, QueryPlan.Mapper, QueryPlan.MergeConcat, QueryPlan.MergeUnion, QueryPlan.NaturalJoin, QueryPlan.NestedLoopsJoin, QueryPlan.PrimaryJoin, QueryPlan.RangeScan, QueryPlan.RangeUnion, QueryPlan.Scan, QueryPlan.Set, QueryPlan.Sort, QueryPlan.Table, QueryPlan.Union

Field Summary

Fields

Modifier and Type	Field	Description
final String	table

Fields inherited from class org.cojen.tupl.diag.QueryPlan.NaturalJoin

columns, source, target

Constructor Summary

Constructors

Constructor	Description
PrimaryJoin(String table, String[] keyColumns, QueryPlan source)

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object obj)
int	hashCode()

Methods inherited from class org.cojen.tupl.diag.QueryPlan

appendTo, appendTo, printTo, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Details

table

public final String table

Constructor Details

PrimaryJoin

public PrimaryJoin(String table,
 String[] keyColumns,
 QueryPlan source)

Parameters:

keyColumns - columns with '+' or '-' prefix

source - child plan node

Method Details

equals

public boolean equals(Object obj)

Overrides:

equals in class QueryPlan.NaturalJoin

hashCode

public int hashCode()

Overrides:

hashCode in class QueryPlan.NaturalJoin