public static void Update <T>(this ISqlConnectionProvider sqlConnectionProvider,
T objectToUpdate,
Expression <Func <T, object> > keyProperties = null,
string tableName = null,
string schemaName = null,
bool processColumnNames = true)
{
tableName = SqlTextFunctions.GetTableName(objectToUpdate.GetType(), tableName, schemaName);
using (var myConnection = sqlConnectionProvider.ToSqlConnection())
{
using (var myCommand = new SqlCommand {
Connection = myConnection
})
{
var setClauseProperties = SqlClrHelpers.GetRelevantPropertyInfos(objectToUpdate, null);
var whereClauseProperties = SqlClrHelpers.GetPropertiesFromObject(objectToUpdate, keyProperties);
SqlTextFunctions.UnUnderscoreColumnNames = processColumnNames;
BuildOutUpdateCommand(objectToUpdate,
tableName,
setClauseProperties,
whereClauseProperties,
myCommand,
processColumnNames);
SqlTextFunctions.UnUnderscoreColumnNames = true;
myConnection.Open();
SqlLogger.LogSqlCommand(myCommand);
myCommand.ExecuteNonQuery();
myConnection.Close();
}
}
}
private static DataTable CreateDataTable <T>(IList <T> list)
{
var propertiesToInsert = SqlClrHelpers.GetRelevantPropertyInfos(list[0], null);
var dataTable = CreateDataTable(propertiesToInsert);
PopulateDataTable(list, dataTable, propertiesToInsert);
return(dataTable);
}
private static string CreateColumnsSegment(IList <PropertyInfo> clrProperties)
{
var createPropertiesSegment = clrProperties
.Where(x => SqlClrHelpers.ShouldTranslateClrPropertyToSqlColumn(x))
.Select(CreatePropertyInfoWithAttributes)
.Select(PropertyInfoWithAttributeToSqlColumnDeclarationConverter.Convert)
.Select(sqlColumnDeclaration => sqlColumnDeclaration.ToString())
.Distinct()
.StringJoin(",\r\n ");
return(createPropertiesSegment);
}
private static void BuildOutMyCommand <T>(T objToDelete, Expression <Func <T, object> > keyProperties, string tableName, SqlCommand myCommand)
{
var whereClauseProperties = SqlClrHelpers.GetPropertiesFromObject(objToDelete, keyProperties);
var whereClauseColumnNames = whereClauseProperties.Select(SqlTextFunctions.GetColumnNameFromPropertyInfo).ToList();
var whereClauseParameterNames = whereClauseProperties.Select(SqlTextFunctions.GetParameterName).ToList();
var whereClauseParts = Enumerable
.Range(0, whereClauseColumnNames.Count)
.Select(index => $"{whereClauseColumnNames[index]} = {whereClauseParameterNames[index]}");
var whereClause = string.Join(" AND ", whereClauseParts);
var whereClauseParameters = Enumerable
.Range(0, whereClauseProperties.Count)
.Select(
index => SqlTextFunctions.GetParameter(objToDelete, whereClauseProperties[index], whereClauseParameterNames[index]))
.ToList();
myCommand.Parameters.AddRange(whereClauseParameters.ToArray());
myCommand.CommandText = $"DELETE FROM {tableName} WHERE {whereClause}";
}
public static void Insert(this ISqlConnectionProvider sqlConnectionProvider,
object obj,
string tableName = null,
string schemaName = null,
IEnumerable <string> columnsToIgnore = null,
bool processColumnNames = true,
bool useIdentityInsert = false)
{
tableName = SqlTextFunctions.GetTableName(obj.GetType(), tableName, schemaName);
var propertyInfos = SqlClrHelpers.GetRelevantPropertyInfos(obj, columnsToIgnore);
if (propertyInfos.Count == 0)
{
return;
}
using (var myConnection = sqlConnectionProvider.GetSqlConnectionWithTimeout(60))
{
using (var myCommand = new SqlCommand {
Connection = myConnection
})
{
SqlTextFunctions.UnUnderscoreColumnNames = processColumnNames;
BuildOutMyCommand(obj, tableName, propertyInfos, myCommand, processColumnNames);
SqlTextFunctions.UnUnderscoreColumnNames = true;
myConnection.Open();
SqlLogger.LogSqlCommand(myCommand);
// if (useIdentityInsert)
// myConnection.Execute("set identity_insert on;");
myCommand.ExecuteNonQuery();
myConnection.Close();
}
}
}
