Class SqlExecutionHelper

Namespace

CMS.DataEngine

Assembly

CMS.DataEngine.dll

Contains utility methods for SQL execution retries.

public class SqlExecutionHelper : AbstractHelper<SqlExecutionHelper>

Inheritance

object

CoreMethods

AbstractHelper

AbstractHelper<SqlExecutionHelper>

SqlExecutionHelper

Inherited Members

AbstractHelper<SqlExecutionHelper>.HelperObject

AbstractHelper<SqlExecutionHelper>.SetAsDefaultHelper()

CoreMethods.GetString(string, string)

Extension Methods

DataExtensions.With<T>(T, Action<T>)

QueryExtensions.AsLiteral<T>(T)

QueryExtensions.AsValue<T>(T, bool)

Methods

ExecuteWithDeadlockRetryInternal<TResult>(Func<TResult>, int)

Executes the given executionFunc while catching exception resulting from the execution. If the exception thrown contains Microsoft.Data.SqlClient.SqlException as its inner exception and the Microsoft.Data.SqlClient.SqlException.Number equals to 1205 (deadlock), the execution is retried.

The execution is never retried if IsInTransaction indicates the execution is part of a transaction.

If the retry limit is reached, the exception resulting from the last execution is re-thrown.

protected virtual TResult ExecuteWithDeadlockRetryInternal<TResult>(Func<TResult> executionFunc, int retryCount)

Parameters

executionFunc Func<TResult>

Function to be executed.

retryCount int

Limit of retry executions. If the limit is reached, the exception resulting from the last execution is re-thrown.

Returns

TResult

Return the result of executionFunc if its execution succeeds before retryCount limit is reached.

Type Parameters

TResult

Return type of the executionFunc.

Exceptions

ArgumentNullException

Thrown when executionFunc is null.

ExecuteWithDeadlockRetry<TResult>(Func<TResult>, int)

Executes the given executionFunc while catching exception resulting from the execution. If the exception thrown contains Microsoft.Data.SqlClient.SqlException as its inner exception and the Microsoft.Data.SqlClient.SqlException.Number equals to 1205 (deadlock), the execution is retried.

The execution is never retried if IsInTransaction indicates the execution is part of a transaction.

If the retry limit is reached, the exception resulting from the last execution is re-thrown.

public static TResult ExecuteWithDeadlockRetry<TResult>(Func<TResult> executionFunc, int retryCount)

Parameters

executionFunc Func<TResult>

Function to be executed.

retryCount int

Limit of retry executions. If the limit is reached, the exception resulting from the last execution is re-thrown.

Returns

TResult

Return the result of executionFunc if its execution succeeds before retryCount limit is reached.

Type Parameters

TResult

Return type of the executionFunc.

Exceptions

ArgumentNullException

Thrown when executionFunc is null.