public static IEnumerable <T> Query <T>(this IDbConnection db, Expression <Func <T, bool> > wherExpression = null, IDbTransaction trans = null, int?commandTimeout = null)
{
var sqllam = new SqlExp <T>(db.GetAdapter());
if (wherExpression != null)
{
sqllam = sqllam.Where(wherExpression);
}
var sqlString = sqllam.SqlString;
try
{
DebuggingSqlString(sqlString);
return(db.Query <T>(sqlString, sqllam.Parameters, trans, commandTimeout: commandTimeout));
}
catch (Exception ex)
{
DebuggingException(ex, sqlString);
throw new DapperLamException(ex.Message, ex, sqlString)
{
Parameters = sqllam.Parameters
};
}
}
public static PagedResult <T> PagedQuery <T>(this IDbConnection db, int pageSize, int pageNumber,
Expression <Func <T, bool> > whereExpression = null, Expression <Func <T, object> > groupByexpression = null,
IDbTransaction trans = null, int?commandTimeout = null,
Expression <Func <T, object> > orderbyExpression = null)
where T : class
{
var sqllam = new SqlExp <T>(db.GetAdapter());
var countSqlam = new SqlExp <T>(db.GetAdapter());
if (whereExpression != null)
{
sqllam = sqllam.Where(whereExpression);
countSqlam = countSqlam.Where(whereExpression);
}
if (orderbyExpression != null)
{
sqllam = sqllam.OrderBy(orderbyExpression);
}
if (groupByexpression != null)
{
sqllam = sqllam.GroupBy(groupByexpression);
}
countSqlam = countSqlam.Count();
int countRet;
var sqlString = countSqlam.SqlString;
try {
DebuggingSqlString(sqlString);
countRet = db.Query <int>(sqlString, countSqlam.Parameters).FirstOrDefault();
}
catch (Exception ex)
{
DebuggingException(ex, sqlString);
throw new DapperLamException(ex.Message, ex, sqlString)
{
Parameters = countSqlam.Parameters
};
}
var sqlstring = sqllam.QueryPage(pageSize, pageNumber);
try
{
DebuggingSqlString(sqlstring);
var retlist = db.Query <T>(sqlstring, sqllam.Parameters, trans, commandTimeout: commandTimeout);
return(new PagedResult <T>(retlist, countRet, pageSize, pageNumber));
}
catch (Exception ex)
{
DebuggingException(ex, sqlstring);
throw new DapperLamException(ex.Message, ex, sqlstring)
{
Parameters = sqllam.Parameters
};
}
}
public static Task <T> QueryFirstOrDefaultAsync <T>(this IDbConnection con,
Expression <Func <T, bool> > wherExpression = null,
IDbTransaction trans = null, int?commandTimeout = null)
{
//return Task.Run(() => { return db.QueryFirstOrDefault<T>(wherExpression, trans, commandTimeout); });
var db = con;
if (trans != null)
{
db = trans.Connection;
}
var sqllam = new SqlExp <T>(db.GetAdapter());
if (wherExpression != null)
{
sqllam = sqllam.Where(wherExpression);
}
var sqlString = sqllam.SqlString;
try
{
DebuggingSqlString(sqlString);
return(db.QueryFirstOrDefaultAsync <T>(sqlString, sqllam.Parameters, trans, commandTimeout: commandTimeout));
}
catch (Exception ex)
{
DebuggingException(ex, sqlString);
throw new DapperLamException(ex.Message, ex, sqlString)
{
Parameters = sqllam.Parameters
};
}
}
public static Task <int> UpdateAsync <T>(this IDbConnection con, T entity, Expression <Func <T, bool> > whereExpression, IDbTransaction trans = null, int?commandTimeout = null)
{
var db = con;
if (trans != null)
{
db = trans.Connection;
}
var sqllam = new SqlExp <T>(db.GetAdapter());
sqllam = sqllam.Update();
if (whereExpression != null)
{
sqllam.Where(whereExpression);
}
var sqlString = sqllam.SqlString;
try
{
DebuggingSqlString(sqlString);
return(db.ExecuteAsync(sqlString, entity, trans, commandTimeout, CommandType.Text));
}
catch (Exception ex)
{
DebuggingException(ex, sqlString);
throw new DapperLamException(ex.Message, ex, sqlString)
{
Parameters = sqllam.Parameters
};
}
}
public static IEnumerable <T> Query <T>(this IDbConnection con, Expression <Func <T, bool> > wherExpression = null, IDbTransaction trans = null, int?commandTimeout = null, string specialSchema = null)
{
var db = trans == null ? con : trans.Connection;
var sqllam = new SqlExp <T>(db.GetAdapter(), specialSchema: specialSchema);
var sqlString = string.Empty;
try
{ if (wherExpression != null)
{
sqllam = sqllam.Where(wherExpression);
}
sqlString = sqllam.SqlString;
DebuggingSqlString(sqlString);
return(db.Query <T>(sqlString, sqllam.Parameters, trans, commandTimeout: commandTimeout)); }
catch (Exception ex)
{
DebuggingException(ex, sqlString);
throw new DapperLamException(ex.Message, ex, sqlString)
{
Parameters = sqllam.Parameters
};
}
}
public static T QueryFirstOrDefault <T>(this IDbConnection db, Expression <Func <T, bool> > wherExpression = null, IDbTransaction trans = null, int?commandTimeout = null)
{
var sqllam = new SqlExp <T>(db.GetAdapter());
if (wherExpression != null)
{
sqllam = sqllam.Where(wherExpression);
}
try
{
return(db.QueryFirstOrDefault <T>(sqllam.SqlString, sqllam.Parameters, trans, commandTimeout: commandTimeout));
}
catch (Exception ex)
{
if (Debugger.IsAttached)
{
Debug.WriteLine(ex.Message + ex.StackTrace);
Debug.WriteLine(sqllam.SqlString);
}
Console.WriteLine(ex.Message + ex.StackTrace);
Console.WriteLine(sqllam.SqlString);
throw new DapperLamException(ex.Message, ex, sqllam.SqlString)
{
Parameters = sqllam.Parameters
};
}
}
