Пример #1
0
        List<Column> LoadColumns(Table tbl)
        {
	
            using (var cmd=_factory.CreateCommand())
            {
                cmd.Connection=_connection;
                cmd.CommandText=COLUMN_SQL;
                cmd.GetType().GetProperty("BindByName").SetValue(cmd, true, null);

                var p = cmd.CreateParameter();
                p.ParameterName = ":tableName";
                p.Value=tbl.Name;
                cmd.Parameters.Add(p);

                var result=new List<Column>();
                using (IDataReader rdr=cmd.ExecuteReader())
                {
                    while(rdr.Read())
                    {
                        Column col=new Column();
                        col.Name=rdr["ColumnName"].ToString();
                        col.PropertyName=CleanUp(col.Name);
                        col.PropertyType=GetPropertyType(rdr["DataType"].ToString(), (rdr["DataType"] == DBNull.Value ? null : rdr["DataType"].ToString()));
                        col.IsNullable=rdr["IsNullable"].ToString()=="YES";
                        col.IsAutoIncrement=true;
                        result.Add(col);
                    }
                }

                return result;
            }
        }
        List<Column> LoadColumns(Table tbl)
        {
	
            using (var cmd=_factory.CreateCommand())
            {
                cmd.Connection=_connection;
                cmd.CommandText=COLUMN_SQL;

                var p = cmd.CreateParameter();
                p.ParameterName = "@tableName";
                p.Value=tbl.Name;
                cmd.Parameters.Add(p);

                var result=new List<Column>();
                using (IDataReader rdr=cmd.ExecuteReader())
                {
                    while(rdr.Read())
                    {
                        Column col=new Column();
                        col.Name=rdr["column_name"].ToString();
                        col.PropertyName=CleanUp(col.Name);
                        col.PropertyType=GetPropertyType(rdr["udt_name"].ToString());
                        col.IsNullable=rdr["is_nullable"].ToString()=="YES";
                        col.IsAutoIncrement = rdr["column_default"].ToString().StartsWith("nextval(");
                        result.Add(col);
                    }
                }

                return result;
            }
        }
Пример #3
0
        // SchemaReader.ReadSchema
        public override TableCollection ReadSchema(DbConnection connection, DbProviderFactory factory)
        {
            var result=new TableCollection();
	

            var cmd=factory.CreateCommand();
            cmd.Connection=connection;
            cmd.CommandText=TABLE_SQL;

            //pull the TableCollection in a reader
            using(cmd)
            {
                using (var rdr=cmd.ExecuteReader())
                {
                    while(rdr.Read())
                    {
                        Table tbl=new Table();
                        tbl.Name=rdr["TABLE_NAME"].ToString();
                        tbl.Schema=rdr["TABLE_SCHEMA"].ToString();
                        tbl.IsView=string.Compare(rdr["TABLE_TYPE"].ToString(), "View", true)==0;
                        tbl.CleanName=CleanUp(tbl.Name);
                        tbl.ClassName=Inflector.Instance.MakeSingular(tbl.CleanName);
                        result.Add(tbl);
                    }
                }
            }


            //this will return everything for the DB
            var schema  = connection.GetSchema("COLUMNS");

            //loop again - but this time pull by table name
            foreach (var item in result) 
            {
                item.Columns=new List<Column>();

                //pull the columns from the schema
                var columns = schema.Select("TABLE_NAME='" + item.Name + "'");
                foreach (var row in columns) 
                {
                    Column col=new Column();
                    col.Name=row["COLUMN_NAME"].ToString();
                    col.PropertyName=CleanUp(col.Name);
                    col.PropertyType=GetPropertyType(row);
                    col.IsNullable=row["IS_NULLABLE"].ToString()=="YES";
                    col.IsPrimaryKey=row["COLUMN_KEY"].ToString()=="PRI";
                    col.IsAutoIncrement=row["extra"].ToString().ToLower().IndexOf("auto_increment")>=0;

                    item.Columns.Add(col);
                }
            }
        
            return result;
	
        }
Пример #4
0
 private string CheckNullable(Column col)
 {
     string result = "";
     if (col.IsNullable &&
         col.PropertyType != "byte[]" &&
         col.PropertyType != "string" &&
         col.PropertyType != "Microsoft.SqlServer.Types.SqlGeography" &&
         col.PropertyType != "Microsoft.SqlServer.Types.SqlGeometry"
         )
         result = "?";
     return result;
 }
Пример #5
0
        private List<Column> LoadColumns(Table tbl)
        {
            using (var cmd = _factory.CreateCommand())
            {
                cmd.Connection = _connection;
                cmd.CommandText = COLUMN_SQL;

                var p = cmd.CreateParameter();
                p.ParameterName = "@tableName";
                p.Value = tbl.Name;
                cmd.Parameters.Add(p);

                p = cmd.CreateParameter();
                p.ParameterName = "@schemaName";
                p.Value = tbl.Schema;
                cmd.Parameters.Add(p);

                var result = new List<Column>();
                using (IDataReader rdr = cmd.ExecuteReader())
                {
                    while (rdr.Read())
                    {
                        var col = new Column();
                        col.Name = rdr["ColumnName"].ToString();
                        col.PropertyName = CleanUp(col.Name);
                        col.PropertyType = GetPropertyType(rdr["DataType"].ToString());
                        col.IsNullable = rdr["IsNullable"].ToString() == "YES";
                        col.IsAutoIncrement = ((int) rdr["IsIdentity"]) == 1;
                        result.Add(col);
                    }
                }

                return result;
            }
        }