public DataMig(Config.ImportActionModel actmodel)
{
this.actmodel = actmodel;
using (var dbconn1 = DbConn.CreateConn(DbType.SQLSERVER, actmodel.database1.source, actmodel.database1.port, actmodel.database1.database, actmodel.database1.userid, actmodel.database1.password))
{
dbconn1.Open();
DbStructure.IDbStructure dbstru = new DbStructure.DbStructureSqlServer();
tables = dbstru.GetTables(dbconn1);
}
if (actmodel.excepttables != null)
{
foreach (var a in actmodel.excepttables)
{
tables.RemoveAll(x => x.name == a);
}
}
foreach (var a in tables)
{
TableMig tm = new TableMig(actmodel, a.name);
tablemigs.Add(tm);
}
}
public void Step1_Syn()
{
using (var dbconn1 = DbConn.CreateConn(DbType.SQLSERVER, actmodel.database1.source, actmodel.database1.port, actmodel.database1.database, actmodel.database1.userid, actmodel.database1.password))
using (var dbconn2 = DbConn.CreateConn(DbType.MYSQL, actmodel.database2.source, actmodel.database2.port, actmodel.database2.database, actmodel.database2.userid, actmodel.database2.password))
{
dbconn1.Open();
dbconn2.Open();
DbStructure.DbStructureSqlServer mssqlstr = new DbStructure.DbStructureSqlServer();
tablestru = mssqlstr.GetTableStructure(dbconn1, tablename);
string sql = "select count(1) as cc from " + tablename + " ";
allitemcount = (int)dbconn1.ExecuteScalar(sql, null);
successcount = (int)((long)dbconn2.ExecuteScalar(sql, null));
// (tablestru.identityattribute != null && tablestru.identityattribute.Count == 1)
if (tablestru.primarykey != null)
{
List <string> pkcol = new List <string>();
List <string> pkorder = new List <string>();
if (tablestru.primarykey != null)
{
foreach (var a in tablestru.primarykey.columns)
{
pkcol.Add(a.name);
pkorder.Add(a.name + " desc ");
}
}
//else// if (tablestru.identityattribute != null && tablestru.identityattribute.Count == 1)
//{
// pkcol.Add(tablestru.identityattribute[0].column.name);
// pkorder.Add(tablestru.identityattribute[0].column.name + " desc ");
//}
//else
//{
// pkcol.Add(tablestru.columns.First().name);
// pkorder.Add(tablestru.columns.First().name + " desc ");
//}
string sqltop = "select {0} from {1} order by {2} limit 0,1;";
sqltop = string.Format(sqltop, string.Join(",", pkcol), tablename, string.Join(",", pkorder));
DataTable tboftop = dbconn2.SqlToDataTable(sqltop, null);
if (tboftop.Rows.Count == 1)
{
List <ProcedureParameter> parasofgetrownum = new List <ProcedureParameter>();
string sqlofpno = "select top 1 A.rownumber from ( SELECT ROW_NUMBER() over (order by {0}) as rownumber,{1} from {2} ) A where {3}";
List <string> getrownum_order = new List <string>();
List <string> getrownum_where = new List <string>();
foreach (string s in pkcol)
{
object value = tboftop.Rows[0][s];
if (value != null)
{
if (value.GetType() == typeof(MySql.Data.Types.MySqlDateTime))
{
MySql.Data.Types.MySqlDateTime nvalue = (MySql.Data.Types.MySqlDateTime)value;
string sofmydatetime = value.ToString();
if (string.IsNullOrEmpty(sofmydatetime))
{
value = System.DBNull.Value;
}
else
{
value = Convert.ToDateTime(sofmydatetime);
}
}
}
getrownum_order.Add(s + " asc");
getrownum_where.Add(s + "=@" + s);
parasofgetrownum.Add(new ProcedureParameter("@" + s, value));
}
sqlofpno = string.Format(sqlofpno, string.Join(",", getrownum_order), string.Join(",", pkcol), tablename, string.Join(" and ", getrownum_where));
object prerownum = dbconn1.ExecuteScalar(sqlofpno, parasofgetrownum, 2);
if (prerownum != null && prerownum.GetType() != typeof(System.DBNull))
{
beginindex = Convert.ToInt32(prerownum);
}
}
}
else
{
beginindex = (int)successcount;
}
}
}
