org.apache.drill.exec.planner.sql

Class DrillConformance

java.lang.Object

org.apache.calcite.sql.validate.SqlAbstractConformance

org.apache.calcite.sql.validate.SqlDelegatingConformance

org.apache.drill.exec.planner.sql.DrillConformance

All Implemented Interfaces:

org.apache.calcite.sql.validate.SqlConformance

public class DrillConformance
extends org.apache.calcite.sql.validate.SqlDelegatingConformance

Drill's SQL conformance is SqlConformanceEnum.DEFAULT with a couple of deviations.

Field Summary

Fields inherited from interface org.apache.calcite.sql.validate.SqlConformance

DEFAULT, ORACLE_10, PRAGMATIC_2003, PRAGMATIC_99, STRICT_2003, STRICT_92, STRICT_99

Constructor Summary

Constructors

Constructor and Description
DrillConformance()
DrillConformance(org.apache.calcite.sql.validate.SqlConformanceEnum flavor)

Method Summary

Modifier and Type	Method and Description
boolean	isApplyAllowed() Drill allows OUTER APPLY and CROSS APPLY to allow each row from left child of Join to join with output of right side (sub-query or table function that will be invoked for each row).
boolean	isGroupByAlias()
boolean	isGroupByOrdinal()
boolean	isHavingAlias()

Methods inherited from class org.apache.calcite.sql.validate.SqlDelegatingConformance

allowNiladicParentheses, isBangEqualAllowed, isFromRequired, isInsertSubsetColumnsAllowed, isMinusAllowed, isSortByAlias, isSortByAliasObscures, isSortByOrdinal

Methods inherited from class org.apache.calcite.sql.validate.SqlAbstractConformance

allowExplicitRowValueConstructor, allowExtend, allowExtendedTrim, allowGeometry, allowPluralTimeUnits, isLiberal, isLimitStartCountAllowed, isPercentRemainderAllowed, shouldConvertRaggedUnionTypesToVarying

Methods inherited from class java.lang.Object

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

Constructor Detail

DrillConformance

public DrillConformance()

DrillConformance

public DrillConformance(org.apache.calcite.sql.validate.SqlConformanceEnum flavor)

Method Detail

isApplyAllowed

public boolean isApplyAllowed()

Drill allows OUTER APPLY and CROSS APPLY to allow each row from left child of Join to join with output of right side (sub-query or table function that will be invoked for each row). Refer to DRILL-5999 for more information.

Specified by:

isApplyAllowed in interface org.apache.calcite.sql.validate.SqlConformance

Overrides:

isApplyAllowed in class org.apache.calcite.sql.validate.SqlAbstractConformance

isGroupByOrdinal

public boolean isGroupByOrdinal()

Specified by:

isGroupByOrdinal in interface org.apache.calcite.sql.validate.SqlConformance

Overrides:

isGroupByOrdinal in class org.apache.calcite.sql.validate.SqlDelegatingConformance

isGroupByAlias

public boolean isGroupByAlias()

Specified by:

isGroupByAlias in interface org.apache.calcite.sql.validate.SqlConformance

Overrides:

isGroupByAlias in class org.apache.calcite.sql.validate.SqlDelegatingConformance

isHavingAlias

public boolean isHavingAlias()

Specified by:

isHavingAlias in interface org.apache.calcite.sql.validate.SqlConformance

Overrides:

isHavingAlias in class org.apache.calcite.sql.validate.SqlDelegatingConformance