Uses of Interface
org.apache.flink.table.expressions.Expression

Packages that use Expression

Package	Description
org.apache.flink.connector.jdbc.catalog
org.apache.flink.orc
org.apache.flink.table.api
org.apache.flink.table.api.bridge.internal
org.apache.flink.table.api.bridge.java
org.apache.flink.table.api.bridge.java.internal
org.apache.flink.table.api.internal
org.apache.flink.table.catalog
org.apache.flink.table.catalog.hive
org.apache.flink.table.catalog.hive.util
org.apache.flink.table.delegation
org.apache.flink.table.expressions
org.apache.flink.table.expressions.resolver
org.apache.flink.table.expressions.resolver.rules
org.apache.flink.table.expressions.utils
org.apache.flink.table.functions
org.apache.flink.table.operations.utils
org.apache.flink.table.planner.expressions
org.apache.flink.table.planner.expressions.converter
org.apache.flink.table.planner.functions.aggfunctions
org.apache.flink.table.sources
org.apache.flink.table.sources.tsextractors
org.apache.flink.table.typeutils

Uses of Expression in org.apache.flink.connector.jdbc.catalog

Method parameters in org.apache.flink.connector.jdbc.catalog with type arguments of type Expression

Modifier and Type	Method and Description
List<CatalogPartitionSpec>	AbstractJdbcCatalog.listPartitionsByFilter(ObjectPath tablePath, List<Expression> filters)

Uses of Expression in org.apache.flink.orc

Methods in org.apache.flink.orc with parameters of type Expression

Modifier and Type	Method and Description
static OrcFilters.Predicate	OrcFilters.toOrcPredicate(Expression expression)

Uses of Expression in org.apache.flink.table.api

Classes in org.apache.flink.table.api that implement Expression

Modifier and Type	Class and Description
class	ApiExpression Java API class that gives access to expression operations.

Methods in org.apache.flink.table.api that return Expression

Modifier and Type	Method and Description
Expression	GroupWindow.getAlias()
Expression	OverWindow.getAlias()
Expression	Schema.UnresolvedComputedColumn.getExpression()
Expression	SessionWithGapOnTimeWithAlias.getGap()
Expression	OverWindow.getOrder()
Expression	OverWindow.getPreceding()
Expression	SlideWithSizeAndSlideOnTimeWithAlias.getSize()
Expression	TumbleWithSizeOnTimeWithAlias.getSize()
Expression	SlideWithSizeAndSlideOnTimeWithAlias.getSlide()
Expression	GroupWindow.getTimeField()
Expression	Schema.UnresolvedWatermarkSpec.getWatermarkExpression()
Expression	ApiExpression.toExpr()

Methods in org.apache.flink.table.api that return types with arguments of type Expression

Modifier and Type	Method and Description
List<Expression>	ApiExpression.getChildren()
Optional<Expression>	OverWindow.getFollowing()
List<Expression>	OverWindow.getPartitioning()

Methods in org.apache.flink.table.api with parameters of type Expression

Modifier and Type	Method and Description
Table	Table.addColumns(Expression... fields) Adds additional columns.
Table	Table.addOrReplaceColumns(Expression... fields) Adds additional columns.
AggregatedTable	Table.aggregate(Expression aggregateFunction) Performs a global aggregate operation with an aggregate function.
AggregatedTable	WindowGroupedTable.aggregate(Expression aggregateFunction) Performs an aggregate operation on a window grouped table.
AggregatedTable	GroupedTable.aggregate(Expression aggregateFunction) Performs an aggregate operation with an aggregate function.
Table	Table.as(Expression... fields) Deprecated. use Table.as(String, String...)
OverWindow	OverWindowPartitionedOrderedPreceding.as(Expression alias) Assigns an alias for this window that the following select() clause can refer to.
SlideWithSizeAndSlideOnTimeWithAlias	SlideWithSizeAndSlideOnTime.as(Expression alias) Assigns an alias for this window that the following groupBy() and select() clause can refer to.
OverWindow	OverWindowPartitionedOrdered.as(Expression alias) Assigns an alias for this window that the following select() clause can refer to.
TumbleWithSizeOnTimeWithAlias	TumbleWithSizeOnTime.as(Expression alias) Assigns an alias for this window that the following groupBy() and select() clause can refer to.
SessionWithGapOnTimeWithAlias	SessionWithGapOnTime.as(Expression alias) Assigns an alias for this window that the following groupBy() and select() clause can refer to.
Schema.Builder	Schema.Builder.columnByExpression(String columnName, Expression expression) Declares a computed column that is appended to this schema.
TemporalTableFunction	Table.createTemporalTableFunction(Expression timeAttribute, Expression primaryKey) Creates TemporalTableFunction backed up by this table as a history table.
Table	Table.dropColumns(Expression... fields) Drops existing columns.
SlideWithSizeAndSlide	SlideWithSize.every(Expression slide) Specifies the window's slide as time or row-count interval.
Table	Table.filter(Expression predicate) Filters out elements that don't pass the filter predicate.
FlatAggregateTable	Table.flatAggregate(Expression tableAggregateFunction) Perform a global flatAggregate without groupBy.
FlatAggregateTable	WindowGroupedTable.flatAggregate(Expression tableAggregateFunction) Performs a flatAggregate operation on a window grouped table.
FlatAggregateTable	GroupedTable.flatAggregate(Expression tableAggFunction) Performs a flatAggregate operation on a grouped table.
Table	Table.flatMap(Expression tableFunction) Performs a flatMap operation with an user-defined table function or built-in table function.
OverWindowPartitionedOrderedPreceding	OverWindowPartitionedOrderedPreceding.following(Expression following) Set the following offset (based on time or row-count intervals) for over window.
Table	TableEnvironment.fromValues(AbstractDataType<?> rowType, Expression... values) Creates a Table from given collection of objects with a given row type.
Table	TableEnvironment.fromValues(Expression... values) Creates a Table from given values.
Table	Table.fullOuterJoin(Table right, Expression joinPredicate) Joins two Tables.
GroupedTable	Table.groupBy(Expression... fields) Groups the elements on some grouping keys.
WindowGroupedTable	GroupWindowedTable.groupBy(Expression... fields) Groups the elements by a mandatory window and one or more optional grouping attributes.
Table	Table.join(Table right, Expression joinPredicate) Joins two Tables.
Table	Table.joinLateral(Expression tableFunctionCall) Joins this Table with an user-defined TableFunction.
Table	Table.joinLateral(Expression tableFunctionCall, Expression joinPredicate) Joins this Table with an user-defined TableFunction.
Table	Table.leftOuterJoin(Table right, Expression joinPredicate) Joins two Tables.
Table	Table.leftOuterJoinLateral(Expression tableFunctionCall) Joins this Table with an user-defined TableFunction.
Table	Table.leftOuterJoinLateral(Expression tableFunctionCall, Expression joinPredicate) Joins this Table with an user-defined TableFunction.
Table	Table.map(Expression mapFunction) Performs a map operation with an user-defined scalar function or built-in scalar function.
TumbleWithSizeOnTime	TumbleWithSize.on(Expression timeField) Specifies the time attribute on which rows are grouped.
SlideWithSizeAndSlideOnTime	SlideWithSizeAndSlide.on(Expression timeField) Specifies the time attribute on which rows are grouped.
SessionWithGapOnTime	SessionWithGap.on(Expression timeField) Specifies the time attribute on which rows are grouped.
Table	Table.orderBy(Expression... fields) Sorts the given Table.
static OverWindowPartitionedOrdered	Over.orderBy(Expression orderBy) Specifies the time attribute on which rows are ordered.
OverWindowPartitionedOrdered	OverWindowPartitioned.orderBy(Expression orderBy) Specifies the time attribute on which rows are ordered.
static SlideWithSize	Slide.over(Expression size) Creates a sliding window.
static TumbleWithSize	Tumble.over(Expression size) Creates a tumbling window.
static OverWindowPartitioned	Over.partitionBy(Expression... partitionBy) Partitions the elements on some partition keys.
OverWindowPartitionedOrderedPreceding	OverWindowPartitionedOrdered.preceding(Expression preceding) Set the preceding offset (based on time or row-count intervals) for over window.
Table	Table.renameColumns(Expression... fields) Renames existing columns.
Table	Table.rightOuterJoin(Table right, Expression joinPredicate) Joins two Tables.
Table	FlatAggregateTable.select(Expression... fields) Performs a selection operation on a FlatAggregateTable table.
Table	Table.select(Expression... fields) Performs a selection operation.
Table	OverWindowedTable.select(Expression... fields) Performs a selection operation on a over windowed table.
Table	WindowGroupedTable.select(Expression... fields) Performs a selection operation on a window grouped table.
Table	AggregatedTable.select(Expression... fields) Performs a selection operation after an aggregate operation.
Table	GroupedTable.select(Expression... fields) Performs a selection operation on a grouped table.
protected ApiExpression	ApiExpression.toApiSpecificExpression(Expression expression)
Schema.Builder	Schema.Builder.watermark(String columnName, Expression watermarkExpression) Declares that the given column should serve as an event-time (i.e.
Table	Table.where(Expression predicate) Filters out elements that don't pass the filter predicate.
static SessionWithGap	Session.withGap(Expression gap) Creates a session window.

Uses of Expression in org.apache.flink.table.api.bridge.internal

Method parameters in org.apache.flink.table.api.bridge.internal with type arguments of type Expression

Modifier and Type	Method and Description
protected <T> DataStreamQueryOperation<T>	AbstractStreamTableEnvironmentImpl.asQueryOperation(DataStream<T> dataStream, Optional<List<Expression>> fields)

Uses of Expression in org.apache.flink.table.api.bridge.java

Methods in org.apache.flink.table.api.bridge.java with parameters of type Expression

Modifier and Type	Method and Description
<T> void	StreamTableEnvironment.createTemporaryView(String path, DataStream<T> dataStream, Expression... fields) Deprecated. Use StreamTableEnvironment.createTemporaryView(String, DataStream, Schema) instead. In most cases, StreamTableEnvironment.createTemporaryView(String, DataStream) should already be sufficient. It integrates with the new type system and supports all kinds of DataTypes that the table runtime can consume. The semantics might be slightly different for raw and structured types.
<T> Table	StreamTableEnvironment.fromDataStream(DataStream<T> dataStream, Expression... fields) Deprecated. Use StreamTableEnvironment.fromDataStream(DataStream, Schema) instead. In most cases, StreamTableEnvironment.fromDataStream(DataStream) should already be sufficient. It integrates with the new type system and supports all kinds of DataTypes that the table runtime can consume. The semantics might be slightly different for raw and structured types.

Uses of Expression in org.apache.flink.table.api.bridge.java.internal

Methods in org.apache.flink.table.api.bridge.java.internal with parameters of type Expression

Modifier and Type	Method and Description
<T> void	StreamTableEnvironmentImpl.createTemporaryView(String path, DataStream<T> dataStream, Expression... fields)
<T> Table	StreamTableEnvironmentImpl.fromDataStream(DataStream<T> dataStream, Expression... fields)

Uses of Expression in org.apache.flink.table.api.internal

Methods in org.apache.flink.table.api.internal that return Expression

Modifier and Type	Method and Description
protected abstract Expression	BaseExpressions.toExpr()

Methods in org.apache.flink.table.api.internal with parameters of type Expression

Modifier and Type	Method and Description
Table	TableImpl.addColumns(Expression... fields)
Table	TableImpl.addOrReplaceColumns(Expression... fields)
AggregatedTable	TableImpl.aggregate(Expression aggregateFunction)
Table	TableImpl.as(Expression... fields)
TemporalTableFunction	TableImpl.createTemporalTableFunction(Expression timeAttribute, Expression primaryKey)
Table	TableImpl.dropColumns(Expression... fields)
Table	TableImpl.filter(Expression predicate)
FlatAggregateTable	TableImpl.flatAggregate(Expression tableAggregateFunction)
Table	TableImpl.flatMap(Expression tableFunction)
Table	TableEnvironmentImpl.fromValues(AbstractDataType<?> rowType, Expression... values)
Table	TableEnvironmentImpl.fromValues(Expression... values)
Table	TableImpl.fullOuterJoin(Table right, Expression joinPredicate)
GroupedTable	TableImpl.groupBy(Expression... fields)
Table	TableImpl.join(Table right, Expression joinPredicate)
Table	TableImpl.joinLateral(Expression tableFunctionCall)
Table	TableImpl.joinLateral(Expression tableFunctionCall, Expression joinPredicate)
Table	TableImpl.leftOuterJoin(Table right, Expression joinPredicate)
Table	TableImpl.leftOuterJoinLateral(Expression tableFunctionCall)
Table	TableImpl.leftOuterJoinLateral(Expression tableFunctionCall, Expression joinPredicate)
Table	TableImpl.map(Expression mapFunction)
Table	TableImpl.orderBy(Expression... fields)
Table	TableImpl.renameColumns(Expression... fields)
Table	TableImpl.rightOuterJoin(Table right, Expression joinPredicate)
Table	TableImpl.select(Expression... fields)
protected abstract OutType	BaseExpressions.toApiSpecificExpression(Expression expression)
Table	TableImpl.where(Expression predicate)

Uses of Expression in org.apache.flink.table.catalog

Method parameters in org.apache.flink.table.catalog with type arguments of type Expression

Modifier and Type	Method and Description
List<CatalogPartitionSpec>	GenericInMemoryCatalog.listPartitionsByFilter(ObjectPath tablePath, List<Expression> filters)
List<CatalogPartitionSpec>	Catalog.listPartitionsByFilter(ObjectPath tablePath, List<Expression> filters) Get CatalogPartitionSpec of partitions by expression filters in the table.

Uses of Expression in org.apache.flink.table.catalog.hive

Method parameters in org.apache.flink.table.catalog.hive with type arguments of type Expression

Modifier and Type	Method and Description
List<CatalogPartitionSpec>	HiveCatalog.listPartitionsByFilter(ObjectPath tablePath, List<Expression> expressions)

Uses of Expression in org.apache.flink.table.catalog.hive.util

Method parameters in org.apache.flink.table.catalog.hive.util with type arguments of type Expression

Modifier and Type	Method and Description
static Optional<String>	HiveTableUtil.makePartitionFilter(int partColOffset, List<String> partColNames, List<Expression> expressions, HiveShim hiveShim) Generates a filter string for partition columns from the given filter expressions.

Uses of Expression in org.apache.flink.table.delegation

Methods in org.apache.flink.table.delegation that return Expression

Modifier and Type	Method and Description
Expression	ExpressionParser.parseExpression(String exprString) Deprecated.

Methods in org.apache.flink.table.delegation that return types with arguments of type Expression

Modifier and Type	Method and Description
List<Expression>	ExpressionParser.parseExpressionList(String expression) Deprecated.

Uses of Expression in org.apache.flink.table.expressions

Subinterfaces of Expression in org.apache.flink.table.expressions

Modifier and Type	Interface and Description
interface	ResolvedExpression Expression that has been fully resolved and validated.

Classes in org.apache.flink.table.expressions that implement Expression

Modifier and Type	Class and Description
class	AggregateExpression Resolved and validated expression for calling an aggregate function.
class	CallExpression Resolved and validated call expression for calling a function.
class	FieldReferenceExpression A reference to a field in an input.
class	LocalReferenceExpression Reference to entity local to a certain QueryOperation.
class	LookupCallExpression A call expression where the target function has not been resolved yet.
class	SqlCallExpression A call to a SQL expression.
class	TableReferenceExpression Expression that references another table.
class	TypeLiteralExpression Expression that wraps DataType as a literal.
class	UnresolvedCallExpression Unresolved call expression for calling a function identified by a FunctionDefinition.
class	UnresolvedReferenceExpression An unresolved reference to a field, table, or local reference.
class	ValueLiteralExpression Expression for constant literal values.

Methods in org.apache.flink.table.expressions that return Expression

Modifier and Type	Method and Description
static Expression	ApiExpressionUtils.objectToExpression(Object expression) Converts a given object to an expression.
static Expression	ApiExpressionUtils.toMilliInterval(Expression e, long multiplier)
static Expression	ApiExpressionUtils.toMonthInterval(Expression e, int multiplier)
static Expression	ApiExpressionUtils.toRowInterval(Expression e)
static Expression	ApiExpressionUtils.unwrapFromApi(Expression expression)

Methods in org.apache.flink.table.expressions that return types with arguments of type Expression

Modifier and Type	Method and Description
List<Expression>	LocalReferenceExpression.getChildren()
List<Expression>	UnresolvedCallExpression.getChildren()
List<Expression>	LookupCallExpression.getChildren()
List<Expression>	UnresolvedReferenceExpression.getChildren()
List<Expression>	TableReferenceExpression.getChildren()
List<Expression>	SqlCallExpression.getChildren()
List<Expression>	TypeLiteralExpression.getChildren()
List<Expression>	FieldReferenceExpression.getChildren()
List<Expression>	CallExpression.getChildren()
List<Expression>	AggregateExpression.getChildren()
List<Expression>	ValueLiteralExpression.getChildren()
List<Expression>	Expression.getChildren()

Methods in org.apache.flink.table.expressions with parameters of type Expression

Modifier and Type	Method and Description
protected abstract T	ExpressionDefaultVisitor.defaultMethod(Expression expression)
static <V> Optional<V>	ExpressionUtils.extractValue(Expression expression, Class<V> targetClass) Extracts the value (excluding null) of a given class from an expression assuming it is a ValueLiteralExpression.
static boolean	ApiExpressionUtils.isFunction(Expression expression, BuiltInFunctionDefinition functionDefinition) Checks if the given expression is a given builtin function.
static boolean	ApiExpressionUtils.isFunctionOfKind(Expression expression, FunctionKind kind) Checks if the expression is a function call of given type.
static LookupCallExpression	ApiExpressionUtils.lookupCall(String name, Expression... args)
static Expression	ApiExpressionUtils.toMilliInterval(Expression e, long multiplier)
static Expression	ApiExpressionUtils.toMonthInterval(Expression e, int multiplier)
static Expression	ApiExpressionUtils.toRowInterval(Expression e)
static UnresolvedCallExpression	ApiExpressionUtils.unresolvedCall(ContextResolvedFunction resolvedFunction, Expression... args)
static UnresolvedCallExpression	ApiExpressionUtils.unresolvedCall(FunctionDefinition functionDefinition, Expression... args)
static Expression	ApiExpressionUtils.unwrapFromApi(Expression expression)
R	ResolvedExpressionVisitor.visit(Expression other)
R	ApiExpressionVisitor.visit(Expression other)
T	ExpressionDefaultVisitor.visit(Expression other)
R	ExpressionVisitor.visit(Expression other)
abstract R	ApiExpressionVisitor.visitNonApiExpression(Expression other)

Method parameters in org.apache.flink.table.expressions with type arguments of type Expression

Modifier and Type	Method and Description
UnresolvedCallExpression	UnresolvedCallExpression.replaceArgs(List<Expression> args)
static UnresolvedCallExpression	ApiExpressionUtils.unresolvedCall(ContextResolvedFunction resolvedFunction, List<Expression> args)
static UnresolvedCallExpression	ApiExpressionUtils.unresolvedCall(FunctionDefinition functionDefinition, List<Expression> args)

Uses of Expression in org.apache.flink.table.expressions.resolver

Methods in org.apache.flink.table.expressions.resolver that return Expression

Modifier and Type	Method and Description
protected Expression	LookupCallResolver.defaultMethod(Expression expression)
Expression	LocalOverWindow.getAlias()
Expression	LocalOverWindow.getOrderBy()
Expression	LocalOverWindow.getPreceding()
Expression	LookupCallResolver.visit(LookupCallExpression lookupCall)
Expression	LookupCallResolver.visit(UnresolvedCallExpression unresolvedCall)
Expression	LookupCallResolver.visitNonApiExpression(Expression other)

Methods in org.apache.flink.table.expressions.resolver that return types with arguments of type Expression

Modifier and Type	Method and Description
Optional<Expression>	LocalOverWindow.getFollowing()
List<Expression>	LocalOverWindow.getPartitionBy()
List<Expression>	ExpressionResolver.resolveExpanding(List<Expression> expressions) Resolves given expressions with configured set of rules.

Methods in org.apache.flink.table.expressions.resolver with parameters of type Expression

Modifier and Type	Method and Description
protected Expression	LookupCallResolver.defaultMethod(Expression expression)
Expression	LookupCallResolver.visitNonApiExpression(Expression other)

Method parameters in org.apache.flink.table.expressions.resolver with type arguments of type Expression

Modifier and Type	Method and Description
List<ResolvedExpression>	ExpressionResolver.resolve(List<Expression> expressions) Resolves given expressions with configured set of rules.
List<Expression>	ExpressionResolver.resolveExpanding(List<Expression> expressions) Resolves given expressions with configured set of rules.

Uses of Expression in org.apache.flink.table.expressions.resolver.rules

Methods in org.apache.flink.table.expressions.resolver.rules that return types with arguments of type Expression

Modifier and Type	Method and Description
List<Expression>	ResolverRule.apply(List<Expression> expression, ResolverRule.ResolutionContext context)

Methods in org.apache.flink.table.expressions.resolver.rules with parameters of type Expression

Modifier and Type	Method and Description
Optional<LocalOverWindow>	ResolverRule.ResolutionContext.getOverWindow(Expression alias) Access to available local over windows.

Method parameters in org.apache.flink.table.expressions.resolver.rules with type arguments of type Expression

Modifier and Type	Method and Description
List<Expression>	ResolverRule.apply(List<Expression> expression, ResolverRule.ResolutionContext context)

Uses of Expression in org.apache.flink.table.expressions.utils

Methods in org.apache.flink.table.expressions.utils with parameters of type Expression

Modifier and Type	Method and Description
protected abstract T	ApiExpressionDefaultVisitor.defaultMethod(Expression expression)
T	ApiExpressionDefaultVisitor.visitNonApiExpression(Expression other)

Uses of Expression in org.apache.flink.table.functions

Methods in org.apache.flink.table.functions that return Expression

Modifier and Type	Method and Description
Expression	TemporalTableFunctionImpl.getPrimaryKey()
Expression	TemporalTableFunctionImpl.getTimeAttribute()

Methods in org.apache.flink.table.functions with parameters of type Expression

Modifier and Type	Method and Description
static TemporalTableFunction	TemporalTableFunctionImpl.create(QueryOperation operationTree, Expression timeAttribute, Expression primaryKey)

Uses of Expression in org.apache.flink.table.operations.utils

Methods in org.apache.flink.table.operations.utils that return Expression

Modifier and Type	Method and Description
Expression	OperationTreeBuilder.resolveExpression(Expression expression, QueryOperation... tableOperation)

Methods in org.apache.flink.table.operations.utils that return types with arguments of type Expression

Modifier and Type	Method and Description
List<Expression>	OperationExpressionsUtils.CategorizedExpressions.getAggregations()
List<Expression>	OperationExpressionsUtils.CategorizedExpressions.getProjections()
List<Expression>	OperationExpressionsUtils.CategorizedExpressions.getWindowProperties()

Methods in org.apache.flink.table.operations.utils with parameters of type Expression

Modifier and Type	Method and Description
QueryOperation	OperationTreeBuilder.aggregate(List<Expression> groupingExpressions, Expression aggregate, QueryOperation child)
static Optional<String>	OperationExpressionsUtils.extractName(Expression expression) Extracts name from given expression if it has one.
QueryOperation	OperationTreeBuilder.filter(Expression condition, QueryOperation child)
QueryOperation	OperationTreeBuilder.flatMap(Expression tableFunctionCall, QueryOperation child)
QueryOperation	OperationTreeBuilder.joinLateral(QueryOperation left, Expression tableFunction, JoinQueryOperation.JoinType joinType, Optional<Expression> condition)
QueryOperation	OperationTreeBuilder.map(Expression mapFunction, QueryOperation child)
Expression	OperationTreeBuilder.resolveExpression(Expression expression, QueryOperation... tableOperation)
QueryOperation	OperationTreeBuilder.tableAggregate(List<Expression> groupingExpressions, Expression tableAggFunction, QueryOperation child)
QueryOperation	OperationTreeBuilder.values(DataType rowType, Expression... expressions)
QueryOperation	OperationTreeBuilder.values(Expression... expressions)
QueryOperation	OperationTreeBuilder.windowAggregate(List<Expression> groupingExpressions, GroupWindow window, List<Expression> windowProperties, Expression aggregateFunction, QueryOperation child)
QueryOperation	OperationTreeBuilder.windowTableAggregate(List<Expression> groupingExpressions, GroupWindow window, List<Expression> windowProperties, Expression tableAggFunction, QueryOperation child)

Method parameters in org.apache.flink.table.operations.utils with type arguments of type Expression

Modifier and Type	Method and Description
QueryOperation	OperationTreeBuilder.addColumns(boolean replaceIfExist, List<Expression> fieldLists, QueryOperation child) Adds additional columns.
QueryOperation	OperationTreeBuilder.aggregate(List<Expression> groupingExpressions, Expression aggregate, QueryOperation child)
QueryOperation	OperationTreeBuilder.aggregate(List<Expression> groupingExpressions, List<Expression> aggregates, QueryOperation child)
QueryOperation	OperationTreeBuilder.aggregate(List<Expression> groupingExpressions, List<Expression> aggregates, QueryOperation child)
QueryOperation	OperationTreeBuilder.alias(List<Expression> fields, QueryOperation child)
QueryOperation	OperationTreeBuilder.dropColumns(List<Expression> fieldLists, QueryOperation child)
static OperationExpressionsUtils.CategorizedExpressions	OperationExpressionsUtils.extractAggregationsAndProperties(List<Expression> expressions) Extracts and deduplicates all aggregation and window property expressions (zero, one, or more) from the given expressions.
QueryOperation	OperationTreeBuilder.join(QueryOperation left, QueryOperation right, JoinQueryOperation.JoinType joinType, Optional<Expression> condition, boolean correlated)
QueryOperation	OperationTreeBuilder.joinLateral(QueryOperation left, Expression tableFunction, JoinQueryOperation.JoinType joinType, Optional<Expression> condition)
QueryOperation	OperationTreeBuilder.project(List<Expression> projectList, QueryOperation child)
QueryOperation	OperationTreeBuilder.project(List<Expression> projectList, QueryOperation child, boolean explicitAlias)
QueryOperation	OperationTreeBuilder.project(List<Expression> projectList, QueryOperation child, List<OverWindow> overWindows)
QueryOperation	OperationTreeBuilder.renameColumns(List<Expression> aliases, QueryOperation child)
QueryOperation	OperationTreeBuilder.sort(List<Expression> fields, QueryOperation child)
QueryOperation	OperationTreeBuilder.tableAggregate(List<Expression> groupingExpressions, Expression tableAggFunction, QueryOperation child)
QueryOperation	OperationTreeBuilder.windowAggregate(List<Expression> groupingExpressions, GroupWindow window, List<Expression> windowProperties, Expression aggregateFunction, QueryOperation child)
QueryOperation	OperationTreeBuilder.windowAggregate(List<Expression> groupingExpressions, GroupWindow window, List<Expression> windowProperties, Expression aggregateFunction, QueryOperation child)
QueryOperation	OperationTreeBuilder.windowAggregate(List<Expression> groupingExpressions, GroupWindow window, List<Expression> windowProperties, List<Expression> aggregates, QueryOperation child)
QueryOperation	OperationTreeBuilder.windowAggregate(List<Expression> groupingExpressions, GroupWindow window, List<Expression> windowProperties, List<Expression> aggregates, QueryOperation child)
QueryOperation	OperationTreeBuilder.windowAggregate(List<Expression> groupingExpressions, GroupWindow window, List<Expression> windowProperties, List<Expression> aggregates, QueryOperation child)
QueryOperation	OperationTreeBuilder.windowTableAggregate(List<Expression> groupingExpressions, GroupWindow window, List<Expression> windowProperties, Expression tableAggFunction, QueryOperation child)
QueryOperation	OperationTreeBuilder.windowTableAggregate(List<Expression> groupingExpressions, GroupWindow window, List<Expression> windowProperties, Expression tableAggFunction, QueryOperation child)

Uses of Expression in org.apache.flink.table.planner.expressions

Classes in org.apache.flink.table.planner.expressions that implement Expression

Modifier and Type	Class and Description
class	RexNodeExpression Wrapper for a ResolvedExpression that originated from a RexNode.

Methods in org.apache.flink.table.planner.expressions that return types with arguments of type Expression

Modifier and Type	Method and Description
List<Expression>	RexNodeExpression.getChildren()

Methods in org.apache.flink.table.planner.expressions with parameters of type Expression

Modifier and Type	Method and Description
static UnresolvedCallExpression	ExpressionBuilder.aggDecimalMinus(Expression input1, Expression input2) Used only for implementing SUM/AVG aggregations (with and without retractions) on a Decimal type to avoid overriding decimal precision/scale calculation for sum/avg with the rules applied for the normal minus.
static UnresolvedCallExpression	ExpressionBuilder.aggDecimalPlus(Expression input1, Expression input2) Used only for implementing SUM/AVG aggregations (with and without retractions) on a Decimal type to avoid overriding decimal precision/scale calculation for sum/avg with the rules applied for the normal plus.
static UnresolvedCallExpression	ExpressionBuilder.and(Expression arg1, Expression arg2)
static UnresolvedCallExpression	ExpressionBuilder.call(FunctionDefinition functionDefinition, Expression... args)
static UnresolvedCallExpression	ExpressionBuilder.cast(Expression child, Expression type)
static UnresolvedCallExpression	ExpressionBuilder.concat(Expression input1, Expression input2)
protected org.apache.calcite.sql.SqlAggFunction	SqlAggFunctionVisitor.defaultMethod(Expression expression)
protected ResolvedExpression	DeclarativeExpressionResolver.defaultMethod(Expression expression)
static UnresolvedCallExpression	ExpressionBuilder.div(Expression input1, Expression input2)
static UnresolvedCallExpression	ExpressionBuilder.equalTo(Expression input1, Expression input2)
static UnresolvedCallExpression	ExpressionBuilder.greaterThan(Expression input1, Expression input2)
static UnresolvedCallExpression	ExpressionBuilder.ifThenElse(Expression condition, Expression ifTrue, Expression ifFalse)
static UnresolvedCallExpression	ExpressionBuilder.isNull(Expression input)
static UnresolvedCallExpression	ExpressionBuilder.lessThan(Expression input1, Expression input2)
static UnresolvedCallExpression	ExpressionBuilder.minus(Expression input1, Expression input2)
static UnresolvedCallExpression	ExpressionBuilder.mod(Expression input1, Expression input2)
static UnresolvedCallExpression	ExpressionBuilder.not(Expression arg)
static UnresolvedCallExpression	ExpressionBuilder.or(Expression arg1, Expression arg2)
static UnresolvedCallExpression	ExpressionBuilder.plus(Expression input1, Expression input2)
static UnresolvedCallExpression	ExpressionBuilder.reinterpretCast(Expression child, Expression type, boolean checkOverflow)
ResolvedExpression	CallExpressionResolver.resolve(Expression expression)
static UnresolvedCallExpression	ExpressionBuilder.times(Expression input1, Expression input2)

Method parameters in org.apache.flink.table.planner.expressions with type arguments of type Expression

Modifier and Type	Method and Description
static UnresolvedCallExpression	ExpressionBuilder.call(FunctionDefinition functionDefinition, List<Expression> args)

Uses of Expression in org.apache.flink.table.planner.expressions.converter

Methods in org.apache.flink.table.planner.expressions.converter with parameters of type Expression

Modifier and Type	Method and Description
org.apache.calcite.rex.RexNode	CallExpressionConvertRule.ConvertContext.toRexNode(Expression expr) Convert expression to RexNode, used by children conversion.
org.apache.calcite.rex.RexNode	ExpressionConverter.visit(Expression other)

Method parameters in org.apache.flink.table.planner.expressions.converter with type arguments of type Expression

Modifier and Type	Method and Description
static List<org.apache.calcite.rex.RexNode>	ExpressionConverter.toRexNodes(CallExpressionConvertRule.ConvertContext context, List<Expression> expr)

Uses of Expression in org.apache.flink.table.planner.functions.aggfunctions

Methods in org.apache.flink.table.planner.functions.aggfunctions that return Expression

Modifier and Type	Method and Description
Expression[]	RankAggFunction.accumulateExpressions()
Expression[]	RowNumberAggFunction.accumulateExpressions()
Expression[]	CountAggFunction.accumulateExpressions()
Expression[]	SingleValueAggFunction.accumulateExpressions()
Expression[]	LeadLagAggFunction.accumulateExpressions()
Expression[]	MaxAggFunction.accumulateExpressions()
abstract Expression[]	DeclarativeAggregateFunction.accumulateExpressions() Expressions for accumulating the mutable aggregation buffer based on an input row.
Expression[]	MinAggFunction.accumulateExpressions()
Expression[]	AvgAggFunction.accumulateExpressions()
Expression[]	Sum0AggFunction.accumulateExpressions()
Expression[]	ListAggFunction.accumulateExpressions()
Expression[]	SumAggFunction.accumulateExpressions()
Expression[]	DenseRankAggFunction.accumulateExpressions()
Expression[]	SumWithRetractAggFunction.accumulateExpressions()
Expression[]	Count1AggFunction.accumulateExpressions()
protected Expression	RankLikeAggFunctionBase.generateInitLiteral(LogicalType orderType)
Expression	RowNumberAggFunction.getValueExpression()
Expression	CountAggFunction.getValueExpression()
Expression	SingleValueAggFunction.getValueExpression()
Expression	LeadLagAggFunction.getValueExpression()
Expression	MaxAggFunction.getValueExpression()
abstract Expression	DeclarativeAggregateFunction.getValueExpression() An expression which returns the final value for this aggregate function.
Expression	MinAggFunction.getValueExpression()
Expression	AvgAggFunction.getValueExpression() If all input are nulls, count will be 0 and we will get null after the division.
Expression	Sum0AggFunction.getValueExpression()
Expression	ListAggFunction.getValueExpression()
Expression	SumAggFunction.getValueExpression()
Expression	RankLikeAggFunctionBase.getValueExpression()
Expression	SumWithRetractAggFunction.getValueExpression()
Expression	Count1AggFunction.getValueExpression()
Expression[]	RankAggFunction.initialValuesExpressions()
Expression[]	RowNumberAggFunction.initialValuesExpressions()
Expression[]	CountAggFunction.initialValuesExpressions()
Expression[]	SingleValueAggFunction.initialValuesExpressions()
Expression[]	LeadLagAggFunction.initialValuesExpressions()
Expression[]	MaxAggFunction.initialValuesExpressions()
abstract Expression[]	DeclarativeAggregateFunction.initialValuesExpressions() Expressions for initializing empty aggregation buffers.
Expression[]	MinAggFunction.initialValuesExpressions()
Expression[]	AvgAggFunction.initialValuesExpressions()
Expression[]	AvgAggFunction.FloatAvgAggFunction.initialValuesExpressions()
Expression[]	AvgAggFunction.DoubleAvgAggFunction.initialValuesExpressions()
Expression[]	AvgAggFunction.DecimalAvgAggFunction.initialValuesExpressions()
Expression[]	Sum0AggFunction.IntSum0AggFunction.initialValuesExpressions()
Expression[]	Sum0AggFunction.ByteSum0AggFunction.initialValuesExpressions()
Expression[]	Sum0AggFunction.ShortSum0AggFunction.initialValuesExpressions()
Expression[]	Sum0AggFunction.LongSum0AggFunction.initialValuesExpressions()
Expression[]	Sum0AggFunction.FloatSum0AggFunction.initialValuesExpressions()
Expression[]	Sum0AggFunction.DoubleSum0AggFunction.initialValuesExpressions()
Expression[]	Sum0AggFunction.DecimalSum0AggFunction.initialValuesExpressions()
Expression[]	ListAggFunction.initialValuesExpressions()
Expression[]	SumAggFunction.initialValuesExpressions()
Expression[]	DenseRankAggFunction.initialValuesExpressions()
Expression[]	SumWithRetractAggFunction.initialValuesExpressions()
Expression[]	Count1AggFunction.initialValuesExpressions()
Expression[]	RowNumberAggFunction.mergeExpressions()
Expression[]	CountAggFunction.mergeExpressions()
Expression[]	SingleValueAggFunction.mergeExpressions()
Expression[]	LeadLagAggFunction.mergeExpressions()
Expression[]	MaxAggFunction.mergeExpressions()
abstract Expression[]	DeclarativeAggregateFunction.mergeExpressions() A sequence of expressions for merging two aggregation buffers together.
Expression[]	MinAggFunction.mergeExpressions()
Expression[]	AvgAggFunction.mergeExpressions()
Expression[]	Sum0AggFunction.mergeExpressions()
Expression[]	ListAggFunction.mergeExpressions()
Expression[]	SumAggFunction.mergeExpressions()
Expression[]	RankLikeAggFunctionBase.mergeExpressions()
Expression[]	SumWithRetractAggFunction.mergeExpressions()
Expression[]	Count1AggFunction.mergeExpressions()
protected Expression	RankLikeAggFunctionBase.orderKeyEqualsExpression()
Expression[]	RowNumberAggFunction.retractExpressions()
Expression[]	CountAggFunction.retractExpressions()
Expression[]	SingleValueAggFunction.retractExpressions()
Expression[]	LeadLagAggFunction.retractExpressions()
Expression[]	MaxAggFunction.retractExpressions()
abstract Expression[]	DeclarativeAggregateFunction.retractExpressions() Expressions for retracting the mutable aggregation buffer based on an input row.
Expression[]	MinAggFunction.retractExpressions()
Expression[]	AvgAggFunction.retractExpressions()
Expression[]	Sum0AggFunction.retractExpressions()
Expression[]	ListAggFunction.retractExpressions()
Expression[]	SumAggFunction.retractExpressions()
Expression[]	RankLikeAggFunctionBase.retractExpressions()
Expression[]	SumWithRetractAggFunction.retractExpressions()
Expression[]	Count1AggFunction.retractExpressions()
protected abstract Expression	SumWithRetractAggFunction.zeroLiteral()
protected Expression	SumWithRetractAggFunction.IntSumWithRetractAggFunction.zeroLiteral()
protected Expression	SumWithRetractAggFunction.ByteSumWithRetractAggFunction.zeroLiteral()
protected Expression	SumWithRetractAggFunction.ShortSumWithRetractAggFunction.zeroLiteral()
protected Expression	SumWithRetractAggFunction.LongSumWithRetractAggFunction.zeroLiteral()
protected Expression	SumWithRetractAggFunction.FloatSumWithRetractAggFunction.zeroLiteral()
protected Expression	SumWithRetractAggFunction.DoubleSumWithRetractAggFunction.zeroLiteral()
protected Expression	SumWithRetractAggFunction.DecimalSumWithRetractAggFunction.zeroLiteral()

Methods in org.apache.flink.table.planner.functions.aggfunctions with parameters of type Expression

Modifier and Type	Method and Description
protected UnresolvedCallExpression	SumWithRetractAggFunction.adjustedMinus(Expression arg1, UnresolvedReferenceExpression arg2)
protected UnresolvedCallExpression	SumWithRetractAggFunction.DecimalSumWithRetractAggFunction.adjustedMinus(Expression arg1, UnresolvedReferenceExpression arg2)

Uses of Expression in org.apache.flink.table.sources

Methods in org.apache.flink.table.sources that return Expression

Modifier and Type	Method and Description
Expression	FieldComputer.getExpression(ResolvedFieldReference[] fieldAccesses) Deprecated. Returns the Expression that computes the value of the field.

Method parameters in org.apache.flink.table.sources with type arguments of type Expression

Modifier and Type	Method and Description
TableSource<T>	FilterableTableSource.applyPredicate(List<Expression> predicates) Deprecated. Check and pick all predicates this table source can support.

Uses of Expression in org.apache.flink.table.sources.tsextractors

Methods in org.apache.flink.table.sources.tsextractors that return Expression

Modifier and Type	Method and Description
Expression	ExistingField.getExpression(ResolvedFieldReference[] fieldAccesses) Returns an Expression that casts a Long, Timestamp, or timestamp formatted String field (e.g., "2018-05-28 12:34:56.000") into a rowtime attribute.
Expression	StreamRecordTimestamp.getExpression(ResolvedFieldReference[] fieldAccesses)

Uses of Expression in org.apache.flink.table.typeutils

Methods in org.apache.flink.table.typeutils with parameters of type Expression

Modifier and Type	Method and Description
static <A> FieldInfoUtils.TypeInfoSchema	FieldInfoUtils.getFieldsInfo(TypeInformation<A> inputType, Expression[] expressions) Returns a FieldInfoUtils.TypeInfoSchema for a given TypeInformation.