Uses of Class
org.apache.qpid.server.query.engine.parsing.expression.AbstractExpressionNode

Packages that use AbstractExpressionNode

Package	Description
org.apache.qpid.server.query.engine.parsing.expression.accessor
org.apache.qpid.server.query.engine.parsing.expression.arithmetic
org.apache.qpid.server.query.engine.parsing.expression.comparison
org.apache.qpid.server.query.engine.parsing.expression.conditional
org.apache.qpid.server.query.engine.parsing.expression.function
org.apache.qpid.server.query.engine.parsing.expression.function.aggregation
org.apache.qpid.server.query.engine.parsing.expression.function.datetime
org.apache.qpid.server.query.engine.parsing.expression.function.nulls
org.apache.qpid.server.query.engine.parsing.expression.function.numeric
org.apache.qpid.server.query.engine.parsing.expression.function.string
org.apache.qpid.server.query.engine.parsing.expression.literal
org.apache.qpid.server.query.engine.parsing.expression.logic
org.apache.qpid.server.query.engine.parsing.expression.set
org.apache.qpid.server.query.engine.parsing.query

Uses of AbstractExpressionNode in org.apache.qpid.server.query.engine.parsing.expression.accessor

Subclasses of AbstractExpressionNode in org.apache.qpid.server.query.engine.parsing.expression.accessor

Modifier and Type	Class	Description
class	ChainedObjectAccessor<T,R>	Chained object accessor retrieves values from expressions having form parent.child.grandchild
class	CollectionObjectAccessor<R>	Collection object accessor retrieves values from a collection
class	ConfiguredObjectAccessorExpression<T extends org.apache.qpid.server.model.ConfiguredObject<?>,R>	ConfiguredObject object accessor retrieves values from a broker objects hierarchy
class	DelegatingCollectionAccessorExpression<T,R,INDEX,COLLECTION extends java.util.Collection<R>,MAP extends java.util.Map<java.lang.String,R>>	Delegating collection accessor retrieves values either from indexed collections or from maps
class	DelegatingObjectAccessor<T,R>	Delegating object accessor delegates value retrieval to other accessor types
class	MapObjectAccessor<R>	Map object accessor retrieves value from a map
class	ObjectAccessorExpression<T,R>	Object accessor retrieves values from an object

Uses of AbstractExpressionNode in org.apache.qpid.server.query.engine.parsing.expression.arithmetic

Subclasses of AbstractExpressionNode in org.apache.qpid.server.query.engine.parsing.expression.arithmetic

Modifier and Type	Class	Description
class	AbstractArithmeticExpression<T,R>	Parent for arithmetic expression classes
class	DivideExpression<T,R>	Arithmetic division operation
class	MinusExpression<T,R>	Arithmetic subtraction operation
class	ModExpression<T,R>	Arithmetic mod operation, returns the remainder of a number divided by another number
class	MultiplyExpression<T,R>	Arithmetic multiplication operation
class	PlusExpression<T,R>	Arithmetic addition operation

Uses of AbstractExpressionNode in org.apache.qpid.server.query.engine.parsing.expression.comparison

Subclasses of AbstractExpressionNode in org.apache.qpid.server.query.engine.parsing.expression.comparison

Modifier and Type	Class	Description
class	AbstractComparisonExpression<T,R>	Parent for comparison expression classes
class	BetweenExpression<T,R>	Comparison BETWEEN operation.
class	EqualExpression<T,R>	Comparison equality operation.
class	GreaterThanExpression<T,R>	Comparison GREATER THAN operation.
class	GreaterThanOrEqualExpression<T,R>	Comparison greater-than-or-equal operation.
class	InExpression<T,R>	Comparison IN operation.
class	IsNullExpression<T>	Comparison IS NULL operation.
class	LessThanExpression<T,R>	Comparison LESS THAN operation.
class	LessThanOrEqualExpression<T,R>	Comparison LESS THAN OR EQUAL operation.
class	LikeExpression<T,R>	Comparison LIKE operation.

Uses of AbstractExpressionNode in org.apache.qpid.server.query.engine.parsing.expression.conditional

Subclasses of AbstractExpressionNode in org.apache.qpid.server.query.engine.parsing.expression.conditional

Modifier and Type	Class	Description
class	CaseExpression<T,R>	Conditional CASE operation.

Uses of AbstractExpressionNode in org.apache.qpid.server.query.engine.parsing.expression.function

Subclasses of AbstractExpressionNode in org.apache.qpid.server.query.engine.parsing.expression.function

Modifier and Type	Class	Description
class	AbstractFunctionExpression<T,R>	Parent for function expression classes

Uses of AbstractExpressionNode in org.apache.qpid.server.query.engine.parsing.expression.function.aggregation

Subclasses of AbstractExpressionNode in org.apache.qpid.server.query.engine.parsing.expression.function.aggregation

Modifier and Type	Class	Description
class	AbstractAggregationExpression<T,R>	Parent for aggregation function classes
class	AvgExpression<T>	The AVG() function returns the average value of a numeric collection.
class	CountExpression<T>	The COUNT() function returns the number of items that matches a specified criterion.
class	MaxExpression<T,R extends java.lang.Comparable<R>>	The MAX() function returns the maximum value of a collection.
class	MinExpression<T,R>	The MIN() function returns the minimum value of a collection.
class	SumExpression<T>	The SUM() function returns the total sum of a numeric collection.

Uses of AbstractExpressionNode in org.apache.qpid.server.query.engine.parsing.expression.function.datetime

Subclasses of AbstractExpressionNode in org.apache.qpid.server.query.engine.parsing.expression.function.datetime

Modifier and Type	Class	Description
class	CurrentTimestampExpression<T>	The CURRENT_TIMESTAMP() function returns current date and time.
class	DateAddExpression<T,R>	The DATEADD() function adds a time/date interval to a date and returns the date.
class	DateDiffExpression<T,R>	The DATEDIFF() function returns the number of time units between two date values.
class	DateExpression<T,R>	The DATE() function extracts the date part from a datetime expression.
class	ExtractExpression<T,R>	The EXTRACT() function extracts a part from a given date.

Uses of AbstractExpressionNode in org.apache.qpid.server.query.engine.parsing.expression.function.nulls

Subclasses of AbstractExpressionNode in org.apache.qpid.server.query.engine.parsing.expression.function.nulls

Modifier and Type	Class	Description
class	CoalesceExpression<T,R>	The COALESCE() function returns the first non-null value in a list.

Uses of AbstractExpressionNode in org.apache.qpid.server.query.engine.parsing.expression.function.numeric

Subclasses of AbstractExpressionNode in org.apache.qpid.server.query.engine.parsing.expression.function.numeric

Modifier and Type	Class	Description
class	AbsExpression<T>	ABS returns the absolute value of a number.
class	RoundExpression<T>	ROUND takes a numeric parameter and rounds it to the specified number of decimal places.
class	TruncExpression<T>	TRUNC takes a numeric parameter and truncates it to the specified number of decimal places.

Uses of AbstractExpressionNode in org.apache.qpid.server.query.engine.parsing.expression.function.string

Subclasses of AbstractExpressionNode in org.apache.qpid.server.query.engine.parsing.expression.function.string

Modifier and Type	Class	Description
class	ConcatExpression<T,R>	CONCAT takes a variable number of arguments and concatenates them into a single string.
class	LeftTrimExpression<T,R>	LTRIM takes a string parameter and removes leading spaces from it.
class	LengthExpression<T,R>	LENGTH takes a string parameter and returns its length.
class	LowerExpression<T,R>	LOWER takes a string parameter and converts it to lower case.
class	PositionExpression<T,R>	POSITION takes a search pattern and a source string as parameters and returns the position of the first occurrence of a pattern in a source string.
class	ReplaceExpression<T,R>	REPLACE takes a source parameter, a pattern parameter and a replacement parameter.
class	RightTrimExpression<T,R>	RTRIM takes a string parameter and removes trailing spaces from it.
class	SubstringExpression<T,R>	SUBSTRING takes a source parameter, a start index parameter and optional length parameter.
class	TrimExpression<T,R>	TRIM takes a string parameter and removes both leading and trailing spaces from it.
class	UpperExpression<T,R>	UPPER takes a string parameter and converts it to upper case.

Uses of AbstractExpressionNode in org.apache.qpid.server.query.engine.parsing.expression.literal

Subclasses of AbstractExpressionNode in org.apache.qpid.server.query.engine.parsing.expression.literal

Modifier and Type	Class	Description
class	ConstantExpression<T,R>	Holds a constant value.
class	FalseLiteralExpression<T>	Holds a FALSE boolean value.
class	NullLiteralExpression<T,R>	Holds a NULL value.
class	NumberLiteralExpression<T>	Holds a numeric value.
class	StringLiteralExpression<T>	Holds a string value.
class	TrueLiteralExpression<T>	Holds a TRUE boolean value.

Uses of AbstractExpressionNode in org.apache.qpid.server.query.engine.parsing.expression.logic

Subclasses of AbstractExpressionNode in org.apache.qpid.server.query.engine.parsing.expression.logic

Modifier and Type	Class	Description
class	AndExpression<T>	Logical AND expression.
class	ExpressionWrapperExpression<T>	Wraps predicate into an expression.
class	NotExpression<T,R>	Logical NOT expression.
class	OrExpression<T>	Logical OR expression.
class	PredicateWrapperExpression<T,R>	Wraps an expression into a predicate.

Uses of AbstractExpressionNode in org.apache.qpid.server.query.engine.parsing.expression.set

Subclasses of AbstractExpressionNode in org.apache.qpid.server.query.engine.parsing.expression.set

Modifier and Type	Class	Description
class	AbstractSetExpression<T,R>	Abstract class containing base functionality for set expressions
class	EmptySetExpression<T,R>	Represents an empty set returned by a subquery
class	IntersectExpression<T>	Set INTERSECT expression is used to retain the results of right SELECT statement present in the results of left SELECT statement.
class	MinusExpression<T>	Set MINUS expression is used to remove the results of right SELECT statement from the results of left SELECT statement.
class	UnionExpression<T>	Set UNION expression is used to combine the results of two or more SELECT statements.

Uses of AbstractExpressionNode in org.apache.qpid.server.query.engine.parsing.query

Subclasses of AbstractExpressionNode in org.apache.qpid.server.query.engine.parsing.query

Modifier and Type	Class	Description
class	FromExpression<T,R extends java.util.stream.Stream<?>,C extends org.apache.qpid.server.model.ConfiguredObject<?>>	Contains information about domain queried and retrieves steams of entities from domain.
class	HavingExpression<T,R>	Contains expression for evaluation of having clause predicate
class	ProjectionExpression<T,R>	Contains information about a single item in a SELECT clause
class	QueryExpression<T,R>	Contains information about a query, which contains WITH clause items, select expression, ORDER BY clause items as well as LIMIT and OFFSET clauses.
class	SelectExpression<T,R>	Contains information about a select expression, which may contain SELECT clause, FROM clause, WHERE clause, GROUP BY clause and HAVING clause.