Package org.apache.drill.exec.store.mongo

Class MongoAggregateUtils

java.lang.Object

org.apache.drill.exec.store.mongo.MongoAggregateUtils

public class MongoAggregateUtils
extends Object

Constructor Summary

Constructors

Constructor	Description
MongoAggregateUtils()

Method Summary

Modifier and Type	Method	Description
static List<org.bson.conversions.Bson>	getAggregateOperations(org.apache.calcite.rel.core.Aggregate aggregate, org.apache.calcite.rel.type.RelDataType rowType)
static String	maybeQuote(String s)
static List<String>	mongoFieldNames(org.apache.calcite.rel.type.RelDataType rowType)
static String	quote(String s)
static boolean	supportsAggregation(org.apache.calcite.rel.core.AggregateCall aggregateCall)

Methods inherited from class java.lang.Object

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

Constructor Details

MongoAggregateUtils

public MongoAggregateUtils()

Method Details

mongoFieldNames

public static List<String> mongoFieldNames(org.apache.calcite.rel.type.RelDataType rowType)

maybeQuote

public static String maybeQuote(String s)

quote

public static String quote(String s)

getAggregateOperations

public static List<org.bson.conversions.Bson> getAggregateOperations(org.apache.calcite.rel.core.Aggregate aggregate,
 org.apache.calcite.rel.type.RelDataType rowType)

supportsAggregation

public static boolean supportsAggregation(org.apache.calcite.rel.core.AggregateCall aggregateCall)