Uses of Class
org.apache.druid.sql.calcite.expression.DruidExpression

Packages that use DruidExpression

Package	Description
org.apache.druid.sql.calcite.aggregation
org.apache.druid.sql.calcite.expression
org.apache.druid.sql.calcite.expression.builtin
org.apache.druid.sql.calcite.external
org.apache.druid.sql.calcite.rel

Uses of DruidExpression in org.apache.druid.sql.calcite.aggregation

Methods in org.apache.druid.sql.calcite.aggregation that return DruidExpression

Modifier and Type	Method and Description
DruidExpression	DimensionExpression.getDruidExpression()
static DruidExpression	Aggregations.toDruidExpressionForNumericAggregator(PlannerContext plannerContext, RowSignature rowSignature, org.apache.calcite.rex.RexNode rexNode) Translate a Calcite RexNode to a Druid expression for the aggregators that require numeric type inputs.

Methods in org.apache.druid.sql.calcite.aggregation that return types with arguments of type DruidExpression

Modifier and Type	Method and Description
static List<DruidExpression>	Aggregations.getArgumentsForSimpleAggregator(PlannerContext plannerContext, RowSignature rowSignature, org.apache.calcite.rel.core.AggregateCall call, org.apache.calcite.rel.core.Project project) Get Druid expressions that correspond to "simple" aggregator inputs.

Methods in org.apache.druid.sql.calcite.aggregation with parameters of type DruidExpression

Modifier and Type	Method and Description
static DimensionExpression	DimensionExpression.ofSimpleColumn(String outputName, DruidExpression expression, ColumnType outputType) Create a dimension expression for direct column access or simple extractions
static DimensionExpression	DimensionExpression.ofVirtualColumn(String virtualColumn, String outputName, DruidExpression expression, ColumnType outputType) Create a dimension expression for a virtual column

Uses of DruidExpression in org.apache.druid.sql.calcite.expression

Methods in org.apache.druid.sql.calcite.expression that return DruidExpression

Modifier and Type	Method and Description
static DruidExpression	OperatorConversions.convertCall(PlannerContext plannerContext, RowSignature rowSignature, org.apache.calcite.rex.RexNode rexNode, DruidExpression.DruidExpressionCreator expressionFunction)
static DruidExpression	OperatorConversions.convertCall(PlannerContext plannerContext, RowSignature rowSignature, org.apache.calcite.rex.RexNode rexNode, String functionName) Deprecated.
static DruidExpression	OperatorConversions.convertCall(PlannerContext plannerContext, RowSignature rowSignature, org.apache.calcite.rex.RexNode rexNode, String functionName, Function<List<DruidExpression>,SimpleExtraction> simpleExtractionFunction) Deprecated.
static DruidExpression	OperatorConversions.convertCallBuilder(PlannerContext plannerContext, RowSignature rowSignature, org.apache.calcite.rex.RexNode rexNode, DruidExpression.ExpressionGenerator expressionGenerator)
static DruidExpression	OperatorConversions.convertCallWithPostAggOperands(PlannerContext plannerContext, RowSignature rowSignature, org.apache.calcite.rex.RexNode rexNode, DruidExpression.DruidExpressionCreator expressionFunction, PostAggregatorVisitor postAggregatorVisitor)
static DruidExpression	OperatorConversions.convertDirectCall(PlannerContext plannerContext, RowSignature rowSignature, org.apache.calcite.rex.RexNode rexNode, String functionName)
static DruidExpression	OperatorConversions.convertDirectCallWithExtraction(PlannerContext plannerContext, RowSignature rowSignature, org.apache.calcite.rex.RexNode rexNode, String functionName, Function<List<DruidExpression>,SimpleExtraction> simpleExtractionFunction)
DruidExpression	DruidExpression.DruidExpressionCreator.create(List<DruidExpression> arguments)
static DruidExpression	DruidExpression.fromColumn(String column) Deprecated. use ofColumn(ColumnType, String) or ofColumn(ColumnType, String, SimpleExtraction) instead
static DruidExpression	DruidExpression.fromExpression(String expression) Deprecated. use ofExpression(ColumnType, ExpressionGenerator, List) instead to participate in virtual column and expression optimization
static DruidExpression	DruidExpression.fromFunctionCall(String functionName, List<DruidExpression> args) Deprecated. use ofFunctionCall(ColumnType, String, List) instead to participate in virtual column and expression optimization
DruidExpression	DruidExpression.map(Function<SimpleExtraction,SimpleExtraction> extractionMap, Function<String,String> expressionMap)
static DruidExpression	DruidExpression.of(SimpleExtraction simpleExtraction, String expression) Deprecated. use ofExpression(ColumnType, SimpleExtraction, ExpressionGenerator, List) instead to participate in virtual column and expression optimization
static DruidExpression	DruidExpression.ofColumn(ColumnType columnType, String column)
static DruidExpression	DruidExpression.ofColumn(ColumnType columnType, String column, SimpleExtraction simpleExtraction)
static DruidExpression	DruidExpression.ofExpression(ColumnType columnType, DruidExpression.ExpressionGenerator expressionGenerator, List<DruidExpression> arguments)
static DruidExpression	DruidExpression.ofExpression(ColumnType columnType, SimpleExtraction simpleExtraction, DruidExpression.ExpressionGenerator expressionGenerator, List<DruidExpression> arguments)
static DruidExpression	DruidExpression.ofFunctionCall(ColumnType columnType, String functionName, List<DruidExpression> args)
static DruidExpression	DruidExpression.ofLiteral(ColumnType columnType, String literal)
static DruidExpression	DruidExpression.ofStringLiteral(String s)
static DruidExpression	DruidExpression.ofVirtualColumn(ColumnType type, DruidExpression.ExpressionGenerator expressionGenerator, List<DruidExpression> arguments, DruidExpression.VirtualColumnCreator virtualColumnCreator)
static DruidExpression	Expressions.toDruidExpression(PlannerContext plannerContext, RowSignature rowSignature, org.apache.calcite.rex.RexNode rexNode) Translate a Calcite RexNode to a Druid expression for projections or the aggregators that don't require numeric inputs.
DruidExpression	AliasedOperatorConversion.toDruidExpression(PlannerContext plannerContext, RowSignature rowSignature, org.apache.calcite.rex.RexNode rexNode)
DruidExpression	UnaryFunctionOperatorConversion.toDruidExpression(PlannerContext plannerContext, RowSignature rowSignature, org.apache.calcite.rex.RexNode rexNode)
DruidExpression	DirectOperatorConversion.toDruidExpression(PlannerContext plannerContext, RowSignature rowSignature, org.apache.calcite.rex.RexNode rexNode)
DruidExpression	BinaryOperatorConversion.toDruidExpression(PlannerContext plannerContext, RowSignature rowSignature, org.apache.calcite.rex.RexNode rexNode)
DruidExpression	UnarySuffixOperatorConversion.toDruidExpression(PlannerContext plannerContext, RowSignature rowSignature, org.apache.calcite.rex.RexNode rexNode)
DruidExpression	UnaryPrefixOperatorConversion.toDruidExpression(PlannerContext plannerContext, RowSignature rowSignature, org.apache.calcite.rex.RexNode rexNode)
DruidExpression	SqlOperatorConversion.toDruidExpression(PlannerContext plannerContext, RowSignature rowSignature, org.apache.calcite.rex.RexNode rexNode) Translate a Calcite RexNode to a Druid expression.
static DruidExpression	Expressions.toDruidExpressionWithPostAggOperands(PlannerContext plannerContext, RowSignature rowSignature, org.apache.calcite.rex.RexNode rexNode, PostAggregatorVisitor postAggregatorVisitor)
DruidExpression	AliasedOperatorConversion.toDruidExpressionWithPostAggOperands(PlannerContext plannerContext, RowSignature rowSignature, org.apache.calcite.rex.RexNode rexNode, PostAggregatorVisitor postAggregatorVisitor)
DruidExpression	DirectOperatorConversion.toDruidExpressionWithPostAggOperands(PlannerContext plannerContext, RowSignature rowSignature, org.apache.calcite.rex.RexNode rexNode, PostAggregatorVisitor postAggregatorVisitor)
DruidExpression	BinaryOperatorConversion.toDruidExpressionWithPostAggOperands(PlannerContext plannerContext, RowSignature rowSignature, org.apache.calcite.rex.RexNode rexNode, PostAggregatorVisitor postAggregatorVisitor)
default DruidExpression	SqlOperatorConversion.toDruidExpressionWithPostAggOperands(PlannerContext plannerContext, RowSignature rowSignature, org.apache.calcite.rex.RexNode rexNode, PostAggregatorVisitor postAggregatorVisitor) Translate a Calcite RexNode to a Druid expression, with the possibility of having postagg operands.
DruidExpression	DruidExpression.visit(DruidExpression.DruidExpressionShuttle shuttle) Visit all sub DruidExpression (the arguments of this expression), allowing the DruidExpression.DruidExpressionShuttle to potentially rewrite these arguments with new DruidExpression, finally building a new version of this DruidExpression with updated arguments.
DruidExpression	DruidExpression.DruidExpressionShuttle.visit(DruidExpression expression)
DruidExpression	DruidExpression.withArguments(List<DruidExpression> newArgs)

Methods in org.apache.druid.sql.calcite.expression that return types with arguments of type DruidExpression

Modifier and Type	Method and Description
List<DruidExpression>	DruidExpression.getArguments() Get sub DruidExpression arguments of this expression
static List<DruidExpression>	Expressions.toDruidExpressions(PlannerContext plannerContext, RowSignature rowSignature, List<org.apache.calcite.rex.RexNode> rexNodes) Translate a list of Calcite RexNode to Druid expressions.
static List<DruidExpression>	Expressions.toDruidExpressionsWithPostAggOperands(PlannerContext plannerContext, RowSignature rowSignature, List<org.apache.calcite.rex.RexNode> rexNodes, PostAggregatorVisitor postAggregatorVisitor) Translate a list of Calcite RexNode to Druid expressions, with the possibility of having postagg operands.
default List<DruidExpression>	DruidExpression.DruidExpressionShuttle.visitAll(List<DruidExpression> expressions)

Methods in org.apache.druid.sql.calcite.expression with parameters of type DruidExpression

Modifier and Type	Method and Description
static TimestampFloorExprMacro.TimestampFloorExpr	Expressions.asTimestampFloorExpr(DruidExpression expression, ExprMacroTable macroTable)
static String	DruidExpression.functionCall(String functionName, DruidExpression... args) Deprecated. use functionCall(String) instead
static Granularity	Expressions.toQueryGranularity(DruidExpression expression, ExprMacroTable macroTable) Converts an expression to a Granularity, if possible.
DruidExpression	DruidExpression.DruidExpressionShuttle.visit(DruidExpression expression)

Method parameters in org.apache.druid.sql.calcite.expression with type arguments of type DruidExpression

Modifier and Type	Method and Description
String	DruidExpression.ExpressionGenerator.compile(List<DruidExpression> arguments)
String	DruidExpression.IdentifierExpressionGenerator.compile(List<DruidExpression> arguments)
String	DruidExpression.LiteralExpressionGenerator.compile(List<DruidExpression> arguments)
static DruidExpression	OperatorConversions.convertCall(PlannerContext plannerContext, RowSignature rowSignature, org.apache.calcite.rex.RexNode rexNode, String functionName, Function<List<DruidExpression>,SimpleExtraction> simpleExtractionFunction) Deprecated.
static DruidExpression	OperatorConversions.convertDirectCallWithExtraction(PlannerContext plannerContext, RowSignature rowSignature, org.apache.calcite.rex.RexNode rexNode, String functionName, Function<List<DruidExpression>,SimpleExtraction> simpleExtractionFunction)
DruidExpression	DruidExpression.DruidExpressionCreator.create(List<DruidExpression> arguments)
static DruidExpression	DruidExpression.fromFunctionCall(String functionName, List<DruidExpression> args) Deprecated. use ofFunctionCall(ColumnType, String, List) instead to participate in virtual column and expression optimization
static String	DruidExpression.functionCall(String functionName, List<DruidExpression> args) Deprecated. use functionCall(String) instead
static DruidExpression	DruidExpression.ofExpression(ColumnType columnType, DruidExpression.ExpressionGenerator expressionGenerator, List<DruidExpression> arguments)
static DruidExpression	DruidExpression.ofExpression(ColumnType columnType, SimpleExtraction simpleExtraction, DruidExpression.ExpressionGenerator expressionGenerator, List<DruidExpression> arguments)
static DruidExpression	DruidExpression.ofFunctionCall(ColumnType columnType, String functionName, List<DruidExpression> args)
static DruidExpression	DruidExpression.ofVirtualColumn(ColumnType type, DruidExpression.ExpressionGenerator expressionGenerator, List<DruidExpression> arguments, DruidExpression.VirtualColumnCreator virtualColumnCreator)
default List<DruidExpression>	DruidExpression.DruidExpressionShuttle.visitAll(List<DruidExpression> expressions)
DruidExpression	DruidExpression.withArguments(List<DruidExpression> newArgs)

Uses of DruidExpression in org.apache.druid.sql.calcite.expression.builtin

Methods in org.apache.druid.sql.calcite.expression.builtin that return DruidExpression

Modifier and Type	Method and Description
static DruidExpression	TimeExtractOperatorConversion.applyTimeExtract(DruidExpression timeExpression, TimestampExtractExprMacro.Unit unit, org.joda.time.DateTimeZone timeZone)
static DruidExpression	TimeFloorOperatorConversion.applyTimestampFloor(DruidExpression input, PeriodGranularity granularity, ExprMacroTable macroTable) Function that floors a DruidExpression to a particular granularity.
static DruidExpression	TrimOperatorConversion.makeTrimExpression(org.apache.calcite.sql.fun.SqlTrimFunction.Flag trimStyle, DruidExpression stringExpression, DruidExpression charsExpression, ColumnType druidType)
DruidExpression	TimestampToMillisOperatorConversion.toDruidExpression(PlannerContext plannerContext, RowSignature rowSignature, org.apache.calcite.rex.RexNode rexNode)
DruidExpression	LTrimOperatorConversion.toDruidExpression(PlannerContext plannerContext, RowSignature rowSignature, org.apache.calcite.rex.RexNode rexNode)
DruidExpression	StrposOperatorConversion.toDruidExpression(PlannerContext plannerContext, RowSignature rowSignature, org.apache.calcite.rex.RexNode rexNode)
DruidExpression	NestedDataOperatorConversions.JsonPathsOperatorConversion.toDruidExpression(PlannerContext plannerContext, RowSignature rowSignature, org.apache.calcite.rex.RexNode rexNode)
DruidExpression	NestedDataOperatorConversions.JsonKeysOperatorConversion.toDruidExpression(PlannerContext plannerContext, RowSignature rowSignature, org.apache.calcite.rex.RexNode rexNode)
DruidExpression	NestedDataOperatorConversions.JsonQueryOperatorConversion.toDruidExpression(PlannerContext plannerContext, RowSignature rowSignature, org.apache.calcite.rex.RexNode rexNode)
DruidExpression	NestedDataOperatorConversions.JsonValueReturningTypeOperatorConversion.toDruidExpression(PlannerContext plannerContext, RowSignature rowSignature, org.apache.calcite.rex.RexNode rexNode)
DruidExpression	NestedDataOperatorConversions.JsonValueAnyOperatorConversion.toDruidExpression(PlannerContext plannerContext, RowSignature rowSignature, org.apache.calcite.rex.RexNode rexNode)
DruidExpression	NestedDataOperatorConversions.JsonObjectOperatorConversion.toDruidExpression(PlannerContext plannerContext, RowSignature rowSignature, org.apache.calcite.rex.RexNode rexNode)
DruidExpression	NestedDataOperatorConversions.ToJsonStringOperatorConversion.toDruidExpression(PlannerContext plannerContext, RowSignature rowSignature, org.apache.calcite.rex.RexNode rexNode)
DruidExpression	NestedDataOperatorConversions.ParseJsonOperatorConversion.toDruidExpression(PlannerContext plannerContext, RowSignature rowSignature, org.apache.calcite.rex.RexNode rexNode)
DruidExpression	NestedDataOperatorConversions.TryParseJsonOperatorConversion.toDruidExpression(PlannerContext plannerContext, RowSignature rowSignature, org.apache.calcite.rex.RexNode rexNode)
DruidExpression	RoundOperatorConversion.toDruidExpression(PlannerContext plannerContext, RowSignature rowSignature, org.apache.calcite.rex.RexNode rexNode)
DruidExpression	TimeShiftOperatorConversion.toDruidExpression(PlannerContext plannerContext, RowSignature rowSignature, org.apache.calcite.rex.RexNode rexNode)
DruidExpression	TimeParseOperatorConversion.toDruidExpression(PlannerContext plannerContext, RowSignature rowSignature, org.apache.calcite.rex.RexNode rexNode)
DruidExpression	TimeFloorOperatorConversion.toDruidExpression(PlannerContext plannerContext, RowSignature rowSignature, org.apache.calcite.rex.RexNode rexNode)
DruidExpression	ParseLongOperatorConversion.toDruidExpression(PlannerContext plannerContext, RowSignature rowSignature, org.apache.calcite.rex.RexNode rexNode)
DruidExpression	TimeExtractOperatorConversion.toDruidExpression(PlannerContext plannerContext, RowSignature rowSignature, org.apache.calcite.rex.RexNode rexNode)
DruidExpression	TimeFormatOperatorConversion.toDruidExpression(PlannerContext plannerContext, RowSignature rowSignature, org.apache.calcite.rex.RexNode rexNode)
DruidExpression	MillisToTimestampOperatorConversion.toDruidExpression(PlannerContext plannerContext, RowSignature rowSignature, org.apache.calcite.rex.RexNode rexNode)
DruidExpression	TimeArithmeticOperatorConversion.toDruidExpression(PlannerContext plannerContext, RowSignature rowSignature, org.apache.calcite.rex.RexNode rexNode)
DruidExpression	RightOperatorConversion.toDruidExpression(PlannerContext plannerContext, RowSignature rowSignature, org.apache.calcite.rex.RexNode rexNode)
DruidExpression	DateTruncOperatorConversion.toDruidExpression(PlannerContext plannerContext, RowSignature rowSignature, org.apache.calcite.rex.RexNode rexNode)
DruidExpression	CastOperatorConversion.toDruidExpression(PlannerContext plannerContext, RowSignature rowSignature, org.apache.calcite.rex.RexNode rexNode)
DruidExpression	LeftOperatorConversion.toDruidExpression(PlannerContext plannerContext, RowSignature rowSignature, org.apache.calcite.rex.RexNode rexNode)
DruidExpression	TruncateOperatorConversion.toDruidExpression(PlannerContext plannerContext, RowSignature rowSignature, org.apache.calcite.rex.RexNode rexNode)
DruidExpression	CeilOperatorConversion.toDruidExpression(PlannerContext plannerContext, RowSignature rowSignature, org.apache.calcite.rex.RexNode rexNode)
DruidExpression	RPadOperatorConversion.toDruidExpression(PlannerContext plannerContext, RowSignature rowSignature, org.apache.calcite.rex.RexNode rexNode)
DruidExpression	RegexpLikeOperatorConversion.toDruidExpression(PlannerContext plannerContext, RowSignature rowSignature, org.apache.calcite.rex.RexNode rexNode)
DruidExpression	FloorOperatorConversion.toDruidExpression(PlannerContext plannerContext, RowSignature rowSignature, org.apache.calcite.rex.RexNode rexNode)
DruidExpression	RegexpExtractOperatorConversion.toDruidExpression(PlannerContext plannerContext, RowSignature rowSignature, org.apache.calcite.rex.RexNode rexNode)
DruidExpression	StringFormatOperatorConversion.toDruidExpression(PlannerContext plannerContext, RowSignature rowSignature, org.apache.calcite.rex.RexNode rexNode)
DruidExpression	TimeCeilOperatorConversion.toDruidExpression(PlannerContext plannerContext, RowSignature rowSignature, org.apache.calcite.rex.RexNode rexNode)
DruidExpression	RepeatOperatorConversion.toDruidExpression(PlannerContext plannerContext, RowSignature rowSignature, org.apache.calcite.rex.RexNode rexNode)
DruidExpression	BTrimOperatorConversion.toDruidExpression(PlannerContext plannerContext, RowSignature rowSignature, org.apache.calcite.rex.RexNode rexNode)
DruidExpression	QueryLookupOperatorConversion.toDruidExpression(PlannerContext plannerContext, RowSignature rowSignature, org.apache.calcite.rex.RexNode rexNode)
DruidExpression	SubstringOperatorConversion.toDruidExpression(PlannerContext plannerContext, RowSignature rowSignature, org.apache.calcite.rex.RexNode rexNode)
DruidExpression	ExtractOperatorConversion.toDruidExpression(PlannerContext plannerContext, RowSignature rowSignature, org.apache.calcite.rex.RexNode rexNode)
DruidExpression	HumanReadableFormatOperatorConversion.toDruidExpression(PlannerContext plannerContext, RowSignature rowSignature, org.apache.calcite.rex.RexNode rexNode)
DruidExpression	RTrimOperatorConversion.toDruidExpression(PlannerContext plannerContext, RowSignature rowSignature, org.apache.calcite.rex.RexNode rexNode)
DruidExpression	LPadOperatorConversion.toDruidExpression(PlannerContext plannerContext, RowSignature rowSignature, org.apache.calcite.rex.RexNode rexNode)
DruidExpression	TrimOperatorConversion.toDruidExpression(PlannerContext plannerContext, RowSignature rowSignature, org.apache.calcite.rex.RexNode rexNode)
DruidExpression	PositionOperatorConversion.toDruidExpression(PlannerContext plannerContext, RowSignature rowSignature, org.apache.calcite.rex.RexNode rexNode)

Methods in org.apache.druid.sql.calcite.expression.builtin that return types with arguments of type DruidExpression

Modifier and Type	Method and Description
static List<DruidExpression>	TimeFloorOperatorConversion.toTimestampFloorOrCeilArgs(PlannerContext plannerContext, RowSignature rowSignature, List<org.apache.calcite.rex.RexNode> operands) Function that converts SQL TIME_FLOOR or TIME_CEIL args to Druid expression "timestamp_floor" or "timestamp_ceil" args.

Methods in org.apache.druid.sql.calcite.expression.builtin with parameters of type DruidExpression

Modifier and Type	Method and Description
static DruidExpression	TimeExtractOperatorConversion.applyTimeExtract(DruidExpression timeExpression, TimestampExtractExprMacro.Unit unit, org.joda.time.DateTimeZone timeZone)
static DruidExpression	TimeFloorOperatorConversion.applyTimestampFloor(DruidExpression input, PeriodGranularity granularity, ExprMacroTable macroTable) Function that floors a DruidExpression to a particular granularity.
static DruidExpression	TrimOperatorConversion.makeTrimExpression(org.apache.calcite.sql.fun.SqlTrimFunction.Flag trimStyle, DruidExpression stringExpression, DruidExpression charsExpression, ColumnType druidType)

Method parameters in org.apache.druid.sql.calcite.expression.builtin with type arguments of type DruidExpression

Modifier and Type	Method and Description
protected static DimFilter	BaseExpressionDimFilterOperatorConversion.toExpressionFilter(PlannerContext plannerContext, String druidFunctionName, List<DruidExpression> druidExpressions)

Uses of DruidExpression in org.apache.druid.sql.calcite.external

Methods in org.apache.druid.sql.calcite.external that return DruidExpression

Modifier and Type	Method and Description
DruidExpression	ExternalOperatorConversion.toDruidExpression(PlannerContext plannerContext, RowSignature rowSignature, org.apache.calcite.rex.RexNode rexNode)

Uses of DruidExpression in org.apache.druid.sql.calcite.rel

Methods in org.apache.druid.sql.calcite.rel that return types with arguments of type DruidExpression

Modifier and Type	Method and Description
List<DruidExpression>	VirtualColumnRegistry.findVirtualColumnExpressions(List<String> allColumns) Given a list of column names, find any corresponding VirtualColumn with the same name

Methods in org.apache.druid.sql.calcite.rel with parameters of type DruidExpression

Modifier and Type	Method and Description
String	VirtualColumnRegistry.getOrCreateVirtualColumnForExpression(DruidExpression expression, ColumnType typeHint) Get existing or create new VirtualColumn for a given DruidExpression and hinted ColumnType.
String	VirtualColumnRegistry.getOrCreateVirtualColumnForExpression(DruidExpression expression, org.apache.calcite.rel.type.RelDataType typeHint) Get existing or create new VirtualColumn for a given DruidExpression and RelDataType
VirtualColumn	VirtualColumnRegistry.getOrCreateVirtualColumnForExpression(PlannerContext plannerContext, DruidExpression expression, ColumnType valueType) Deprecated. use VirtualColumnRegistry.getOrCreateVirtualColumnForExpression(DruidExpression, ColumnType) instead
VirtualColumn	VirtualColumnRegistry.getOrCreateVirtualColumnForExpression(PlannerContext plannerContext, DruidExpression expression, org.apache.calcite.rel.type.RelDataType dataType) Deprecated. use VirtualColumnRegistry.getOrCreateVirtualColumnForExpression(DruidExpression, RelDataType) instead
String	VirtualColumnRegistry.getVirtualColumnByExpression(DruidExpression expression, org.apache.calcite.rel.type.RelDataType typeHint)