Package com.illumon.iris.db.v2.join

Class MultiJoin.JoinDescriptor

java.lang.Object

com.illumon.iris.db.v2.join.MultiJoin.JoinDescriptor

Enclosing class:

MultiJoin

public static class MultiJoin.JoinDescriptor
extends Object

A descriptor of an input to a multiJoin. The table, key columns, and columns to add are encapsulated in the join descriptor.

Constructor Summary

Constructors

Constructor	Description
JoinDescriptor(Table inputTable, MatchPair[] columnsToMatch, MatchPair[] columnsToAdd)	Create a join descriptor.
JoinDescriptor(Table inputTable, String... columnsToMatch)	Create a join descriptor.
JoinDescriptor(Table inputTable, String[] columnsToMatch, String[] columnsToAdd)	Create a join descriptor.
JoinDescriptor(Table inputTable, Collection<String> columnsToMatch, Collection<String> columnsToAdd)	Create a join descriptor.

Method Summary

Methods inherited from class java.lang.Object

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

Constructor Details

JoinDescriptor

public JoinDescriptor(@NotNull Table inputTable, @NotNull MatchPair[] columnsToMatch, @NotNull MatchPair[] columnsToAdd)

Create a join descriptor.

Parameters:

inputTable - the table to include in a multiJoin

columnsToMatch - the key columns, in MatchPair format (e.g. "ResultKey=SourceKey" or "KeyInBoth").

columnsToAdd - the columns to add, in MatchPair format (e.g. "ResultColumn=SourceColumn" or "ColumnInBoth"), empty for all columns

JoinDescriptor

public JoinDescriptor(@NotNull Table inputTable, @NotNull String[] columnsToMatch, @NotNull String[] columnsToAdd)

Create a join descriptor.

Parameters:

inputTable - the table to include in a multiJoin

columnsToMatch - the key columns, in MatchPair format (e.g. "ResultKey=SourceKey" or "KeyInBoth").

columnsToAdd - the columns to add, in MatchPair format (e.g. "ResultColumn=SourceColumn" or "ColumnInBoth"), empty for all columns

JoinDescriptor

public JoinDescriptor(@NotNull Table inputTable, @NotNull String... columnsToMatch)

Create a join descriptor. Key columns are renamed according to the MatchPair format. All other columns are included in the result without renames.

Parameters:

inputTable - the table to include in a multiJoin

columnsToMatch - the key columns, in MatchPair format (e.g. "ResultKey=SourceKey" or "KeyInBoth").

JoinDescriptor

public JoinDescriptor(@NotNull Table inputTable, @NotNull Collection<String> columnsToMatch, @NotNull Collection<String> columnsToAdd)

Create a join descriptor.

Parameters:

inputTable - the table to include in a multiJoin

columnsToMatch - the key columns, in MatchPair format (e.g. "ResultKey=SourceKey" or "KeyInBoth").

columnsToAdd - the columns to add, in MatchPair format (e.g. "ResultColumn=SourceColumn" or "ColumnInBoth"), empty for all columns