Class OptimizationContext

Namespace

LinqToDB.Internal.SqlProvider

Assembly

linq2db.dll

public sealed class OptimizationContext

Inheritance

object

OptimizationContext

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>)

Constructors

OptimizationContext(EvaluationContext, DataOptions, SqlProviderFlags, MappingSchema, SqlExpressionOptimizerVisitor, SqlExpressionConvertVisitor, ISqlExpressionFactory, bool, bool, Func<IQueryParametersNormalizer>)

public OptimizationContext(EvaluationContext evaluationContext, DataOptions dataOptions, SqlProviderFlags sqlProviderFlags, MappingSchema mappingSchema, SqlExpressionOptimizerVisitor optimizerVisitor, SqlExpressionConvertVisitor convertVisitor, ISqlExpressionFactory factory, bool isParameterOrderDepended, bool isAlreadyOptimizedAndConverted, Func<IQueryParametersNormalizer> parametersNormalizerFactory)

Parameters

evaluationContext EvaluationContext

dataOptions DataOptions

sqlProviderFlags SqlProviderFlags

mappingSchema MappingSchema

optimizerVisitor SqlExpressionOptimizerVisitor

convertVisitor SqlExpressionConvertVisitor

factory ISqlExpressionFactory

isParameterOrderDepended bool

isAlreadyOptimizedAndConverted bool

parametersNormalizerFactory Func<IQueryParametersNormalizer>

Properties

ConvertVisitor

public SqlExpressionConvertVisitor ConvertVisitor { get; }

Property Value

SqlExpressionConvertVisitor

DataOptions

public DataOptions DataOptions { get; }

Property Value

DataOptions

EvaluationContext

public EvaluationContext EvaluationContext { get; }

Property Value

EvaluationContext

Factory

public ISqlExpressionFactory Factory { get; }

Property Value

ISqlExpressionFactory

IsAlreadyOptimizedAndConverted

public bool IsAlreadyOptimizedAndConverted { get; }

Property Value

bool

IsParameterOrderDependent

public bool IsParameterOrderDependent { get; }

Property Value

bool

MappingSchema

public MappingSchema MappingSchema { get; }

Property Value

MappingSchema

OptimizerVisitor

public SqlExpressionOptimizerVisitor OptimizerVisitor { get; }

Property Value

SqlExpressionOptimizerVisitor

SqlProviderFlags

public SqlProviderFlags SqlProviderFlags { get; }

Property Value

SqlProviderFlags

TransformationInfo

public SqlQueryVisitor.IVisitorTransformationInfo TransformationInfo { get; }

Property Value

SqlQueryVisitor.IVisitorTransformationInfo

TransformationInfoConvert

public SqlQueryVisitor.IVisitorTransformationInfo TransformationInfoConvert { get; }

Property Value

SqlQueryVisitor.IVisitorTransformationInfo

Methods

AddParameter(SqlParameter)

public SqlParameter AddParameter(SqlParameter parameter)

Parameters

parameter SqlParameter

Returns

SqlParameter

ClearParameters()

public void ClearParameters()

GetParameters()

public IReadOnlyList<SqlParameter> GetParameters()

Returns

IReadOnlyList<SqlParameter>

HasParameters()

public bool HasParameters()

Returns

bool

NormalizeParameterName(string?)

Normalizes name through the query parameters name normalizer, registers it as used, and returns the resulting collision-free name.

public string? NormalizeParameterName(string? name)

Parameters

name string

Returns

string

OptimizeAndConvertAll<T>(T, NullabilityContext)

public T OptimizeAndConvertAll<T>(T element, NullabilityContext nullabilityContext) where T : class, IQueryElement

Parameters

element T

nullabilityContext NullabilityContext

Returns

T

Type Parameters

T

OptimizeAndConvert<T>(T?, NullabilityContext)

public T? OptimizeAndConvert<T>(T? element, NullabilityContext nullabilityContext) where T : class, IQueryElement

Parameters

element T

nullabilityContext NullabilityContext

Returns

T

Type Parameters

T

Optimize<T>(T?, NullabilityContext, bool)

public T? Optimize<T>(T? element, NullabilityContext nullabilityContext, bool reducePredicates) where T : class, IQueryElement

Parameters

element T

nullabilityContext NullabilityContext

reducePredicates bool

Returns

T

Type Parameters

T

SuggestDynamicParameter(DbDataType, object?)

public SqlParameter SuggestDynamicParameter(DbDataType dbDataType, object? value)

Parameters

dbDataType DbDataType

value object

Returns

SqlParameter