Class QueryCondition

Represents a TileDB query condition object.

Inheritance

object

QueryCondition

Implements

IDisposable

Namespace: TileDB.CSharp

Assembly: TileDB.CSharp.dll

Syntax

public sealed class QueryCondition : IDisposable

Methods

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Create(Context, string, string, QueryConditionOperatorType)

Creates a new QueryCondition with a string.

Declaration

public static QueryCondition Create(Context ctx, string attribute_name, string value, QueryConditionOperatorType optype)

Parameters

Type	Name	Description
Context	ctx	The Context associated with the query condition.
string	attribute_name	The name of the attribute the query condition refers to.
string	value	The value to compare the attribute with.
QueryConditionOperatorType	optype	The type of the relationship between the attribute with the name `attribute_name` and `value`.

Returns

Type	Description
QueryCondition

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CreateIsNotNull(Context, string)

Creates a new query condition that is satisfied where the given attribute is not null.

Declaration

public static QueryCondition CreateIsNotNull(Context ctx, string attribute_name)

Parameters

Type	Name	Description
Context	ctx	The Context associated with the query condition.
string	attribute_name	The name of the attribute the query condition refers to.

Returns

Type	Description
QueryCondition

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CreateIsNull(Context, string)

Creates a new query condition that is satisfied where the given attribute is null.

Declaration

public static QueryCondition CreateIsNull(Context ctx, string attribute_name)

Parameters

Type	Name	Description
Context	ctx	The Context associated with the query condition.
string	attribute_name	The name of the attribute the query condition refers to.

Returns

Type	Description
QueryCondition

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Create<T>(Context, string, T, QueryConditionOperatorType)

Creates a new query condition with datatype T.

Declaration

public static QueryCondition Create<T>(Context ctx, string attribute_name, T value, QueryConditionOperatorType optype) where T : struct

Parameters

Type	Name	Description
Context	ctx	The Context associated with the query condition.
string	attribute_name	The name of the attribute the query condition refers to.
T	value	The value to compare the attribute with.
QueryConditionOperatorType	optype	The type of the relationship between the attribute with the name `attribute_name` and `value`.

Returns

Type	Description
QueryCondition

Type Parameters

Name	Description
T

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Create<T>(Context, string, T, QueryConditionOperatorType, bool)

Creates a new query condition with datatype T.

Declaration

public static QueryCondition Create<T>(Context ctx, string attribute_name, T value, QueryConditionOperatorType optype, bool useEnumeration = true) where T : struct

Parameters

Type	Name	Description
Context	ctx	The Context associated with the query condition.
string	attribute_name	The name of the attribute the query condition refers to.
T	value	The value to compare the attribute with.
QueryConditionOperatorType	optype	The type of the relationship between the attribute with the name `attribute_name` and `value`.
bool	useEnumeration	Whether to match the query condition on the enumerated value instead of the underlying value. Optional, defaults to true.

Returns

Type	Description
QueryCondition

Type Parameters

Name	Description
T

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Dispose()

Disposes this QueryCondition.

Declaration

public void Dispose()

Operators

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operator &(QueryCondition, QueryCondition)

Creates the conjunction of two QueryConditions.

Declaration

public static QueryCondition operator &(QueryCondition lhs, QueryCondition rhs)

Parameters

Type	Name	Description
QueryCondition	lhs	The first query condition.
QueryCondition	rhs	The second query condition.

Returns

Type	Description
QueryCondition	A query condition that will be satisfied if both `lhs` and `rhs` are satisfied.

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operator |(QueryCondition, QueryCondition)

Creates the disjunction of two QueryConditions.

Declaration

public static QueryCondition operator |(QueryCondition lhs, QueryCondition rhs)

Parameters

Type	Name	Description
QueryCondition	lhs	The first query condition.
QueryCondition	rhs	The second query condition.

Returns

Type	Description
QueryCondition	A query condition that will be satisfied if at least one of `lhs` or `rhs` are satisfied.

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operator !(QueryCondition)

Creates the negation of a QueryCondition.

Declaration

public static QueryCondition operator !(QueryCondition condition)

Parameters

Type	Name	Description
QueryCondition	condition	The query condition to negate.

Returns

Type	Description
QueryCondition	A query condition that will be satisfied if `condition` is not satisfied.

Implements

IDisposable