Uses of Class
org.apache.iotdb.db.qp.logical.crud.FilterOperator

Packages that use FilterOperator

Package	Description
org.apache.iotdb.db.protocol.influxdb.handler
org.apache.iotdb.db.qp.logical.crud
org.apache.iotdb.db.qp.strategy.optimizer

Uses of FilterOperator in org.apache.iotdb.db.protocol.influxdb.handler

Methods in org.apache.iotdb.db.protocol.influxdb.handler with parameters of type FilterOperator

Modifier and Type	Method	Description
boolean	AbstractQueryHandler.canMergeOperator(FilterOperator operator)	judge whether the subtrees of the syntax tree have or operations.
java.util.List<org.apache.iotdb.tsfile.read.expression.IExpression>	AbstractQueryHandler.getIExpressionByFilterOperatorOperator(FilterOperator filterOperator)	generate query conditions through the syntax tree (if you enter this function, it means that it must be a syntax tree that can be merged, and there is no or)
org.influxdb.dto.QueryResult	AbstractQueryHandler.queryExpr(FilterOperator operator, java.lang.String database, java.lang.String measurement, ServiceProvider serviceProvider, java.util.Map<java.lang.String,java.lang.Integer> fieldOrders, java.lang.Long sessionId)

Uses of FilterOperator in org.apache.iotdb.db.qp.logical.crud

Subclasses of FilterOperator in org.apache.iotdb.db.qp.logical.crud

Modifier and Type	Class	Description
class	BasicFunctionOperator	basic operator includes = < > >= <= !=.
class	FunctionOperator	This class presents series condition which is general(e.g.
class	InOperator	operator 'in' 'not in'
class	LikeOperator	fuzzy query structure LikeOperator.
class	RegexpOperator

Methods in org.apache.iotdb.db.qp.logical.crud that return FilterOperator

Modifier and Type	Method	Description
FilterOperator	FilterOperator.copy()
FilterOperator	WhereComponent.getFilterOperator()

Methods in org.apache.iotdb.db.qp.logical.crud that return types with arguments of type FilterOperator

Modifier and Type	Method	Description
java.util.List<FilterOperator>	FilterOperator.getChildren()

Methods in org.apache.iotdb.db.qp.logical.crud with parameters of type FilterOperator

Modifier and Type	Method	Description
void	FilterOperator.addChildOperator(FilterOperator op)
void	FunctionOperator.addChildOperator(FilterOperator op)
int	FilterOperator.compareTo(FilterOperator fil)	a filter with null path is no smaller than any other filter.
void	WhereComponent.setFilterOperator(FilterOperator filterOperator)

Method parameters in org.apache.iotdb.db.qp.logical.crud with type arguments of type FilterOperator

Modifier and Type	Method	Description
void	FilterOperator.setChildren(java.util.List<FilterOperator> children)

Constructors in org.apache.iotdb.db.qp.logical.crud with parameters of type FilterOperator

Constructor	Description
WhereComponent(FilterOperator filterOperator)

Uses of FilterOperator in org.apache.iotdb.db.qp.strategy.optimizer

Methods in org.apache.iotdb.db.qp.strategy.optimizer that return FilterOperator

Modifier and Type	Method	Description
FilterOperator	DnfFilterOptimizer.optimize(FilterOperator filter)	get DNF(disjunctive normal form) for this filter operator tree.
FilterOperator	IFilterOptimizer.optimize(FilterOperator filter)
FilterOperator	MergeSingleFilterOptimizer.optimize(FilterOperator filter)
FilterOperator	RemoveNotOptimizer.optimize(FilterOperator filter)	get DNF(disjunctive normal form) for this filter operator tree.

Methods in org.apache.iotdb.db.qp.strategy.optimizer with parameters of type FilterOperator

Modifier and Type	Method	Description
FilterOperator	DnfFilterOptimizer.optimize(FilterOperator filter)	get DNF(disjunctive normal form) for this filter operator tree.
FilterOperator	IFilterOptimizer.optimize(FilterOperator filter)
FilterOperator	MergeSingleFilterOptimizer.optimize(FilterOperator filter)
FilterOperator	RemoveNotOptimizer.optimize(FilterOperator filter)	get DNF(disjunctive normal form) for this filter operator tree.