Class SqlQueryDependentAttribute

Namespace

LinqToDB.Expressions

Assembly

linq2db.dll

Used for controlling query caching of custom SQL Functions. Parameter with this attribute will be evaluated on client side before generating SQL.

[AttributeUsage(AttributeTargets.Parameter)]
public class SqlQueryDependentAttribute : Attribute, _Attribute

Inheritance

object

Attribute

SqlQueryDependentAttribute

Implements

_Attribute

Derived

SqlQueryDependentParamsAttribute

Extension Methods

Sql.IsDistinctFrom<T>(T, T)

Sql.IsNotDistinctFrom<T>(T, T)

SqlExtensions.In<T>(T, T, T)

SqlExtensions.In<T>(T, T, T, T)

SqlExtensions.In<T>(T, params T[])

SqlExtensions.In<T>(T, IEnumerable<T>)

SqlExtensions.In<T>(T, IQueryable<T>)

SqlExtensions.NotIn<T>(T, T, T)

SqlExtensions.NotIn<T>(T, T, T, T)

SqlExtensions.NotIn<T>(T, params T[])

SqlExtensions.NotIn<T>(T, IEnumerable<T>)

SqlExtensions.NotIn<T>(T, IQueryable<T>)

Methods

ExpressionsEqual<TContext>(TContext, Expression, Expression, Func<TContext, Expression, Expression, bool>)

Compares two expressions during expression tree comparison. Has to be overriden if specific comparison required.

public virtual bool ExpressionsEqual<TContext>(TContext context, Expression expr1, Expression expr2, Func<TContext, Expression, Expression, bool> comparer)

Parameters

context TContext

expr1 Expression

expr2 Expression

comparer Func<TContext, Expression, Expression, bool>

Default function for comparing expressions.

Returns

bool

Result of comparison

Type Parameters

TContext

ObjectsEqual(object?, object?)

Compares two objects during expression tree comparison. Handles sequences also. Has to be overriden if specific comparison required.

public virtual bool ObjectsEqual(object? obj1, object? obj2)

Parameters

obj1 object

obj2 object

Returns

bool

Result of comparison

PrepareForCache(Expression)

Used for preparation method argument to cached expression value.

public virtual Expression PrepareForCache(Expression expression)

Parameters

expression Expression

Expression for caching.

Returns

Expression

Ready to cache expression.

SplitExpression(Expression)

Returns sub-expressions, if attribute applied to composite expression. Default (non-composite) implementation returns expression.

public virtual IEnumerable<Expression> SplitExpression(Expression expression)

Parameters

expression Expression

Expression to split.

Returns

IEnumerable<Expression>

Passed expression of sub-expressions for composite expression.