Package app.ductape.sdk.warehouse.executor.joins

Class WarehouseJoinExecutor

java.lang.Object

app.ductape.sdk.warehouse.executor.joins.WarehouseJoinExecutor

public final class WarehouseJoinExecutor
extends Object

TS parity: sdk/ts/src/warehouse/executor/joins/join-executor.ts (hash, nested loop, sort-merge).

Constructor Summary

Constructors

Constructor	Description
WarehouseJoinExecutor()

Method Summary

Modifier and Type	Method	Description
Map<String,Object>	execute(List<Map<String,Object>> left, List<Map<String,Object>> right, Map<String,Object> joinClause, String leftAlias, String rightAlias, Map<String,Object> options)
static String	extractFieldName(String path, String alias)
static Map<String,Object>	mergeRows(Map<String,Object> left, Map<String,Object> right, String leftAlias, String rightAlias)

Methods inherited from class java.lang.Object

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

Constructor Details

WarehouseJoinExecutor

public WarehouseJoinExecutor()

Method Details

execute

public Map<String,Object> execute(List<Map<String,Object>> left,
 List<Map<String,Object>> right,
 Map<String,Object> joinClause,
 String leftAlias,
 String rightAlias,
 Map<String,Object> options)

extractFieldName

public static String extractFieldName(String path,
 String alias)

mergeRows

public static Map<String,Object> mergeRows(Map<String,Object> left,
 Map<String,Object> right,
 String leftAlias,
 String rightAlias)