Class and Description 

Correlate
A relational operator that performs nestedloop joins.

Filter
Relational expression that iterates over its input and returns elements for which
condition
evaluates to true . 
SetOp
SetOp is an abstract base for relational set operators such as UNION, MINUS (aka
EXCEPT), and INTERSECT. 
Sort
Relational expression that imposes a particular sort order on its input without otherwise
changing its content.

Values
Relational expression whose value is a sequence of zero or more literal row values.

Window
A relational expression representing a set of window aggregates.

Window.Group
Group of windowed aggregate calls that have the same window specification.

Window.RexWinAggCall
A call to a windowed aggregate function.

Class and Description 

Correlate
A relational operator that performs nestedloop joins.

Filter
Relational expression that iterates over its input and returns elements for which
condition
evaluates to true . 
Intersect
Relational expression that returns the intersection of the rows of its inputs.

Minus
Relational expression that returns the rows of its first input minus any matching rows from its
other inputs.

SetOp
SetOp is an abstract base for relational set operators such as UNION, MINUS (aka
EXCEPT), and INTERSECT. 
Sort
Relational expression that imposes a particular sort order on its input without otherwise
changing its content.

Union
Relational expression that returns the union of the rows of its inputs, optionally eliminating
duplicates.

Values
Relational expression whose value is a sequence of zero or more literal row values.

Window
A relational expression representing a set of window aggregates.

Window.Group
Group of windowed aggregate calls that have the same window specification.

Class and Description 

Correlate
A relational operator that performs nestedloop joins.

Filter
Relational expression that iterates over its input and returns elements for which
condition
evaluates to true . 
Sort
Relational expression that imposes a particular sort order on its input without otherwise
changing its content.

Values
Relational expression whose value is a sequence of zero or more literal row values.

Class and Description 

Filter
Relational expression that iterates over its input and returns elements for which
condition
evaluates to true . 
Sort
Relational expression that imposes a particular sort order on its input without otherwise
changing its content.

Values
Relational expression whose value is a sequence of zero or more literal row values.

Window
A relational expression representing a set of window aggregates.

Window.Group
Group of windowed aggregate calls that have the same window specification.

Class and Description 

Filter
Relational expression that iterates over its input and returns elements for which
condition
evaluates to true . 
Sort
Relational expression that imposes a particular sort order on its input without otherwise
changing its content.

Values
Relational expression whose value is a sequence of zero or more literal row values.

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