public static object ExecuteScalarWithSqlParams(IDbConnection conn, IDbTransaction transaction, string sQuery,
List <IDbDataParameter> lParams)
{
try
{
EnsureConnection(conn);
sQuery = CheckQueryByDialect(sQuery);
using (IDbCommand cmd = SqlObjectFactory.CreateDbCommand(conn, transaction, sQuery))
{
cmd.CommandTimeout = 300;
foreach (IDbDataParameter prm in lParams)
{
cmd.Parameters.Add(prm);
}
return(cmd.ExecuteScalar());
}
}
catch (Exception excp)
{
m_logger.ErrorFormat("ExecuteScalarWithSqlParams() ERROR:{0}\r\n{1}", excp, excp.Message, excp.StackTrace);
throw;
}
}
public static object ExecuteScalar(IDbConnection conn, IDbTransaction transaction, string sFormatQuery,
params object[] args)
{
string sQuery = sFormatQuery;
try
{
EnsureConnection(conn);
sQuery = string.Format(sFormatQuery, args);
sQuery = CheckQueryByDialect(sQuery);
using (IDbCommand cmd = SqlObjectFactory.CreateDbCommand(conn, transaction, sQuery))
{
cmd.CommandTimeout = 300;
return(cmd.ExecuteScalar());
}
}
catch (Exception excp)
{
m_logger.Excp(excp, "ExecuteScalar() ERROR:\r\nQuery:\r\n{0}\r\n", sQuery);
return(null);
}
}
public static IDbCommand GenerateInsertCommand(IDbConnection connection, IDbTransaction transaction, DataTable dt, TableSpecification ts)
{
string sTemplate = @"
INSERT INTO
[{0}] ({1})
VALUES
({2})
";
IDbCommand dbc = SqlObjectFactory.CreateDbCommand(connection, transaction, string.Empty);
dbc.CommandTimeout = 1000;
List <string> lColStrings = new List <string>();
List <string> lSetStrings = new List <string>();
foreach (DataColumn dc in dt.Columns)
{
if (ts.IsAutoGeneratedIdentity && ts.IdentityNames.Contains(dc.ColumnName.ToLowerInvariant()))
{
continue;
}
switch (ConnectionManager.Dialect)
{
case DatabaseDialect.MsSql:
case DatabaseDialect.PgSql:
lColStrings.Add(string.Format("[{0}]", dc.ColumnName));
lSetStrings.Add(string.Format("@{0}", dc.ColumnName));
dbc.Parameters.Add(SqlObjectFactory.CreateParameter(dc.ColumnName, null, dc.ColumnName));
break;
case DatabaseDialect.MySql:
case DatabaseDialect.LtSql:
lColStrings.Add(dc.ColumnName);
lSetStrings.Add(string.Format("@{0}", dc.ColumnName));
dbc.Parameters.Add(SqlObjectFactory.CreateParameter(dc.ColumnName, null, dc.ColumnName));
break;
default:
Debug.Assert(false);
break;
}
}
string sCmdQuery = string.Format(sTemplate, ts.TableName, string.Join(",", lColStrings.ToArray()),
string.Join(",", lSetStrings.ToArray()));
dbc.CommandText = DataCopy.CheckQueryByDialect(sCmdQuery);
return(dbc);
}
public static IDbCommand GenerateUpdateCommand(IDbConnection connection, IDbTransaction transaction, DataTable dt, TableSpecification ts)
{
string sTemplate = @"
UPDATE
[{0}]
_SET_
{1}
WHERE
{2}
";
IDbCommand dbc = SqlObjectFactory.CreateDbCommand(connection, transaction, string.Empty);
dbc.CommandTimeout = 1000;
List <string> lSetStrings = new List <string>();
List <string> lIdentityStrings = new List <string>();
//sIdentityName = sIdentityName.ToLowerInvariant();
foreach (DataColumn dc in dt.Columns)
{
if (ts.IdentityNames.Contains(dc.ColumnName.ToLowerInvariant()))
{
lIdentityStrings.Add(string.Format(" [{0}] = @{0}", dc.ColumnName));
}
else
{
lSetStrings.Add(string.Format(" [{0}] = @{0}", dc.ColumnName));
}
dbc.Parameters.Add(SqlObjectFactory.CreateParameter(dc.ColumnName, null, dc.ColumnName));
}
string sCmdQuery = string.Format(sTemplate, ts.TableName, string.Join(",\r\n", lSetStrings.ToArray()),
string.Join("\r\nAND\r\n", lIdentityStrings.ToArray()));
dbc.CommandText = DataCopy.CheckQueryByDialect(sCmdQuery);
return(dbc);
}
public static DataTable GetDataTableWithSqlParams(IDbConnection dcn, IDbTransaction dtn, string sQuery, List <IDbDataParameter> lParams)
{
try
{
sQuery = CheckQueryByDialect(sQuery);
using (IDbCommand cmd = SqlObjectFactory.CreateDbCommand(dcn, dtn, sQuery))
{
cmd.CommandTimeout = 300;
foreach (IDbDataParameter prm in lParams)
{
cmd.Parameters.Add(prm);
}
using (IDisposable dsp = SqlObjectFactory.CreateDbAdapter(cmd) as IDisposable)
{
IDbDataAdapter da = dsp as IDbDataAdapter;
using (DataSet ds = new DataSet())
{
da.Fill(ds);
DataTable dtResult = ds.Tables[0];
ds.Tables.Clear();
return(dtResult);
}
}
}
}
catch (Exception excp)
{
m_logger.ErrorFormat("GetDataTableWithSqlParams() ERROR:{0}\r\n{1}\r\nfor query:\r\n{2}", excp, excp.Message,
excp.StackTrace, sQuery);
}
return(null);
}
public static DataTable GetDataTable(IDbConnection dcn, IDbTransaction dtn, string sFormatQuery,
params object[] args)
{
string sQuery = sFormatQuery;
try
{
EnsureConnection(dcn);
sQuery = string.Format(sFormatQuery, args);
sQuery = CheckQueryByDialect(sQuery);
using (IDbCommand cmd = SqlObjectFactory.CreateDbCommand(dcn, dtn, sQuery))
{
using (IDisposable dsp = SqlObjectFactory.CreateDbAdapter(cmd) as IDisposable)
{
IDbDataAdapter da = dsp as IDbDataAdapter;
using (DataSet ds = new DataSet())
{
da.Fill(ds);
DataTable dtResult = ds.Tables[0];
ds.Tables.Clear();
return(dtResult);
}
}
}
}
catch (Exception excp)
{
m_logger.Excp(excp, "GetDataTable() ERROR:\r\nQuery:\r\n{0}\r\n", sQuery);
}
return(new DataTable());
}