private static void initDbCommand(SqliteCommand cmd, SqlBuilderCommand sqlCmd)
{
cmd.CommandType = CommandType.Text;
cmd.CommandText = sqlCmd.Sql;
if (sqlCmd.Transaction != null)
{
cmd.Transaction = sqlCmd.Transaction as SqliteTransaction;
}
if (sqlCmd.Parameters != null)
{
foreach (var item in sqlCmd.Parameters)
{
SqliteParameter p = new SqliteParameter(item.Name);
if (item.DbType != null)
{
p.DbType = item.DbType.Value;
}
if (item.Size != null)
{
p.Size = item.Size.Value;
}
if (item.Value != null)
{
p.Value = item.Value;
}
if (item.Direction != null)
{
p.Direction = item.Direction.Value;
}
cmd.Parameters.Add(p);
}
}
}
//生成参数
public static SqlMapper.IDynamicParameters CreateDynamicParameters(SqlBuilderCommand cmd)
{
if (cmd.Parameters == null && cmd.DynamicParameters == null)
{
return(null);
}
var result = new DynamicParameters();
if (cmd.Parameters != null)
{
foreach (var item in cmd.Parameters)
{
result.Add(item.Name, item.Value, item.DbType, item.Direction, item.Size);
}
}
if (cmd.DynamicParameters != null)
{
foreach (var item in cmd.DynamicParameters)
{
result.AddDynamicParams(item);
}
}
return(result);
}
public static int ExecuteNonQuery(this SqlBuilderCommand sqlCmd, SqliteConnection conn)
{
using (var cmd = conn.CreateCommand())
{
initDbCommand(cmd, sqlCmd);
return(cmd.ExecuteNonQuery());
}
}
public static object ExecuteScalar(this SqlBuilderCommand sqlCmd, SqliteConnection conn)
{
using (var cmd = conn.CreateCommand())
{
initDbCommand(cmd, sqlCmd);
return(cmd.ExecuteScalar());
}
}
public static Task <T> ExecuteScalarAsync <T>(this IDbConnection cnn, SqlBuilderCommand cmd)
{
if (cnn == null)
{
throw new ArgumentNullException(nameof(cnn));
}
return(cnn.ExecuteScalarAsync <T>(cmd.Sql, DapperHelper.CreateDynamicParameters(cmd), cmd.Transaction, cmd.CommandTimeout, cmd.CommandType));
}
public static int ExecuteNonQuery(this SqlBuilderCommand sqlCmd, IDbConnectionFactory connFactory)
{
using (var conn = connFactory.CreateDbConnection() as SqliteConnection)
{
conn.Open();
using (var cmd = conn.CreateCommand())
{
initDbCommand(cmd, sqlCmd);
return(cmd.ExecuteNonQuery());
}
}
}
public static T ExecuteReader <T>(this SqlBuilderCommand sqlCmd, SqliteConnection conn, Func <IDataReader, T> act)
{
using (var cmd = conn.CreateCommand())
{
initDbCommand(cmd, sqlCmd);
using (var reader = cmd.ExecuteReader())
{
if (act != null)
{
return(act(reader));
}
else
{
return(default(T));
}
}
}
}
public static Task <IEnumerable <T> > QueryAsync <T>(this IDbConnection cnn, SqlBuilderCommand cmd)
{
return(cnn.QueryAsync <T>(cmd.Sql, DapperHelper.CreateDynamicParameters(cmd), cmd.Transaction, cmd.CommandTimeout, cmd.CommandType));
}
public static IEnumerable <T> Query <T>(this IDbConnection cnn, SqlBuilderCommand cmd, bool buffered = true)
{
return(cnn.Query <T>(cmd.Sql, DapperHelper.CreateDynamicParameters(cmd), cmd.Transaction, buffered, cmd.CommandTimeout, cmd.CommandType));
}
