query Directory Reference

Files
	Add.h
	The addition operator - syntatic-suggar.
	And.h
	Boolean logic operator: AND - syntatic-suggar.
	AttributeRestrictionVisitor.h
	A visitor that retrieves attribute restrictions from a Query hierarchy.
	Avg.h
	Avg statistical function.
	BinaryFunction.h
	A base class for binary functions.
	BinaryOp.h
	A base class for binary operations.
	BinaryOpEncoder.h
	A query encoder for binary operations.
	Cast.h
	Cast a expression function.
	Coalesce.h
	Coalesce operator.
	Count.h
	Count statistical function.
	DataSetName.h
	A class that models the name of a dataset used in a From clause.
	Distinct.h
	A class that models a Distinct clause on a query.
	Div.h
	The division operator - syntatic-suggar.
	EqualTo.h
	It models the comparison operator - syntatic-suggar.
	Expression.h
	This is an abstract class that models a query expression.
	Field.h
	The Field class can be used to model an expression that takes part of the output items of a SELECT.
	Fields.h
	The Fields class can be used to model a set of expressions that form the output items of a SELECT.
	From.h
	It models the FROM clause for a query.
	FromFunctionCall.h
	A function can be used as a source of information in another query.
	FromItem.h
	An abstract class that models a source of data in a query.
	Function.h
	A class that models a Function expression.
	FunctionCatalog.h
	A FunctionCatalog can be used to keep track of registered functions.
	FunctionCatalogManager.h
	A FunctionCatalogManager is a singleton that can be used to manage function catalogs of data source implementations.
	FunctionDefn.h
	The definition of a function that can be used in a query object.
	FunctionEncoder.h
	A query encoder for general function expressions.
	FunctionNames.h
	A static class with global function name definitions.
	FunctionNoArgsEncoder.h
	A query encoder for functions with no arguments that is invoked just by its name.
	FunctionParameter.h
	A FunctionParameter models the parameter of a function definition.
	GeometryType.h
	Spatial is closed operator.
	GreaterThan.h
	It models the inequality operator greater than (>) - syntatic-suggar.
	GreaterThanOrEqualTo.h
	It models the inequality operator greater than or equal to (>=) - syntatic-suggar.
	GroupBy.h
	A class that can be used to model a GROUP BY clause.
	GroupByItem.h
	A class that can be used in a GROUP BY clause.
	Having.h
	A Having is a filter expression that can be applied to a query with a group by clause.
	In.h
	A class that represents the IN operator.
	Insert.h
	A Insert can be used to add information in a table.
	IsNull.h
	Tells if a value is NULL.
	IsNullOpEncoder.h
	A query encoder for unary operator expressions.
	Join.h
	A Join clause combines two FromItems.
	JoinCondition.h
	A condition to be used in a Join clause.
	JoinConditionOn.h
	JoinConditionOn is a boolean expression and it specifies which items in a join are considered to match.
	JoinConditionUsing.h
	JoinConditionUsing class can be used to model a USING clause in a Join.
	LessThan.h
	It models the inequality operator less than (<) - syntatic-suggar.
	LessThanOrEqualTo.h
	It models the inequality operator less than or equal to (<=) - syntatic-suggar.
	Like.h
	It is intended to encode a character string comparison operator with pattern matching.
	Literal.h
	This class models a literal value.
	LiteralBool.h
	A class that models a Literal Bool value.
	LiteralByteArray.h
	A class that models a literal for ByteArray values.
	LiteralDateTime.h
	A class that models a literal for Date and Time values.
	LiteralDouble.h
	A class that models a literal for double values.
	LiteralEnvelope.h
	A class that models a literal for Envelope values.
	LiteralGeom.h
	A class that models a literal for Geometry values.
	LiteralInt16.h
	A class that models a Literal for a integer value.
	LiteralInt32.h
	A class that models a Literal for a integer value.
	LiteralInt64.h
	A class that models a Literal for a integer value.
	LiteralString.h
	A class that models a Literal String value.
	Max.h
	Max statistical function.
	Min.h
	Min statistical function.
	Mul.h
	The multiply operator - syntatic-suggar.
	Not.h
	Boolean NOT operator - syntatic-suggar.
	NotEqualTo.h
	Tells if two values are not equal - syntatic-suggar.
	Or.h
	Boolean logic operator: OR - syntatic-suggar.
	OrderBy.h
	A class that can be used to model an ORDER BY clause.
	OrderByItem.h
	A class that can be used in an ORDER BY clause to sort the items of a resulting query.
	PropertyName.h
	A class that models the name of any property of an object.
	Query.h
	The base class for queries.
	QueryCapabilities.h
	A class that informs the query support of a given data source.
	QueryVisitor.h
	A visitor interface for the Query hierarchy.
	Select.h
	A Select models a query to be used when retrieving data from a data source.
	SelectExpression.h
	A Select can be used as a source of information in another query.
	SetSridToLiteralGeomVisitor.h
	A visitor for building adjusting the SRID of literal geometries. This is particularly useful after reading a previously serialized data.
	SpatialQueryProcessor.h
	A basic query processor for spatial restrictions.
	SpatialRestrictionVisitor.h
	A visitor that retrieves spatial restrictions from a Query hierarchy.
	SQLDialect.h
	It represents the SQL query dialect accepted by a given data source.
	SQLFunctionEncoder.h
	A base class for encoders of SQL function expressions.
	SQLVisitor.h
	A visitor for building an SQL statement from a given Query hierarchy.
	ST_AddPoint.h
	Spatial add point operator.
	ST_Area.h
	Spatial area operator.
	ST_Beyond.h
	Spatial Distance Buffer Beyond operator.
	ST_Boundary.h
	Spatial boundary operator.
	ST_Buffer.h
	Spatial buffer operator.
	ST_Centroid.h
	Spatial centroid operator.
	ST_Collect.h
	Spatial collect operator.
	ST_Contains.h
	Spatial contains operation.
	ST_ConvexHull.h
	Spatial convex hull operator.
	ST_Crosses.h
	Spatial crosses operator.
	ST_Difference.h
	Spatial difference operator.
	ST_Disjoint.h
	Spatial disjoint operator.
	ST_DistanceBuffer.h
	Spatial distance buffer operator.
	ST_Dump.h
	Spatial dump operator.
	ST_DumpRings.h
	Spatial dump rings operator.
	ST_DWithin.h
	Spatial Distance Buffer Within operator.
	ST_Envelope.h
	Spatial envelope operator.
	ST_EnvelopeIntersects.h
	This operator EnvelopeIntersects considers the intersection among approximations or envelopes of geometries.
	ST_Equals.h
	Spatial equals operator.
	ST_Extent.h
	Spatial extent operator.
	ST_Intersection.h
	Spatial intersects operator.
	ST_Intersects.h
	Spatial intersects operator.
	ST_IsClosed.h
	Spatial is closed operator.
	ST_IsEmpty.h
	Spatial is empty operator.
	ST_IsValid.h
	Spatial is valid operator.
	ST_Length.h
	Spatial length operator.
	ST_MakePolygon.h
	Spatial make polygon operator.
	ST_MakeValid.h
	Spatial is valid operator.
	ST_Multi.h
	Spatial multi operator.
	ST_NPoints.h
	Spatial number of points operator.
	ST_NumGeometries.h
	Spatial number geometries operator.
	ST_Overlaps.h
	Spatial overlaps operator.
	ST_Perimeter.h
	Spatial perimeter operator.
	ST_Relate.h
	Spatial relation function.
	ST_SetSRID.h
	Spatial Set SRID operator.
	ST_StartPoint.h
	Spatial start point operator.
	ST_Touches.h
	Spatial touches operator.
	ST_Transform.h
	Spatial reference system transformation function.
	ST_Union.h
	Spatial union operator.
	ST_Within.h
	Spatial within operator.
	StdDev.h
	StdDev statistical function.
	Sub.h
	The subtraction operator.
	SubSelect.h
	A Select can be used as a source of information in another query.
	Substring.h
	Allows the extraction of substrings.
	Sum.h
	Sum aggregate operator.
	TemplateEncoder.h
	A query encoder for functions that needs special translation.
	UnaryFunction.h
	A base class for unary functions.
	UnaryOp.h
	A base class for unary operators.
	UnaryOpEncoder.h
	A query encoder for unary operator expressions.
	Variance.h
	Variance statistical function.
	Where.h
	A class that can be used to model a filter expression that can be applied to a query.