Package org.apache.druid.sql.calcite.expression.builtin

Class HumanReadableFormatOperatorConversion

java.lang.Object

org.apache.druid.sql.calcite.expression.builtin.HumanReadableFormatOperatorConversion

All Implemented Interfaces:

SqlOperatorConversion

public class HumanReadableFormatOperatorConversion
extends Object
implements SqlOperatorConversion

Field Summary

Fields

Modifier and Type	Field	Description
static final SqlOperatorConversion	BINARY_BYTE_FORMAT
static final SqlOperatorConversion	DECIMAL_BYTE_FORMAT
static final SqlOperatorConversion	DECIMAL_FORMAT

Method Summary

Modifier and Type	Method	Description
org.apache.calcite.sql.SqlOperator	calciteOperator()	Returns the SQL operator corresponding to this function.
DruidExpression	toDruidExpression(PlannerContext plannerContext, RowSignature rowSignature, org.apache.calcite.rex.RexNode rexNode)	Translate a Calcite RexNode to a Druid expression.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.druid.sql.calcite.expression.SqlOperatorConversion

toDruidExpressionWithPostAggOperands, toDruidFilter, toPostAggregator

Field Details

BINARY_BYTE_FORMAT

public static final SqlOperatorConversion BINARY_BYTE_FORMAT

DECIMAL_BYTE_FORMAT

public static final SqlOperatorConversion DECIMAL_BYTE_FORMAT

DECIMAL_FORMAT

public static final SqlOperatorConversion DECIMAL_FORMAT

Method Details

calciteOperator

public org.apache.calcite.sql.SqlOperator calciteOperator()

Description copied from interface: SqlOperatorConversion

Returns the SQL operator corresponding to this function. Should be a singleton.

Specified by:

calciteOperator in interface SqlOperatorConversion

Returns:

operator

toDruidExpression

public DruidExpression toDruidExpression(PlannerContext plannerContext,
 RowSignature rowSignature,
 org.apache.calcite.rex.RexNode rexNode)

Description copied from interface: SqlOperatorConversion

Translate a Calcite RexNode to a Druid expression.

Specified by:

toDruidExpression in interface SqlOperatorConversion

Parameters:

plannerContext - SQL planner context

rowSignature - signature of the rows to be extracted from

rexNode - expression meant to be applied on top of the rows

Returns:

Druid expression, or null if translation is not possible

See Also:

• Expressions.toDruidExpression(PlannerContext, RowSignature, RexNode)