public static SqlTable CsvToSqlTable(TextReader textReader, ISqlWriter sqlWriter, bool hasHeader = true, string delimiter = ",", int count = -1)
{
var config = new CsvHelper.Configuration.CsvConfiguration();
config.Delimiter = delimiter;
config.HasHeaderRecord = hasHeader;
var reader = new CsvHelper.CsvReader(textReader, config);
var rows = reader.GetRecords<object>().ToList();
textReader.Close();
SqlTable sqlTable = null;
if (rows.Count > 0)
{
sqlTable = new SqlTable();
sqlTable.Headers = new List<SqlColumnTypeDefinition>();
sqlTable.Rows = new List<SqlRow>();
var i = 0;
foreach (var row in rows)
{
if (i == count)
break;
i++;
var columns = (System.Dynamic.ExpandoObject)row;
var sqlRow = new SqlRow();
sqlTable.Rows.Add(sqlRow);
var countUnkown = 1;
foreach (var col in columns)
{
// set rows
var sqlColumn = new SqlColumn();
sqlColumn.Type = sqlWriter.SqlTypeToCSharpType(col.Value);
sqlColumn.Value = col.Value;
sqlRow.Columns.Add(sqlColumn);
// set headers
var key = col.Key;
if (string.IsNullOrWhiteSpace(key))
{
key = "Unkown" + countUnkown;
countUnkown++;
}
SqlColumnTypeDefinition sqlColumnTypeDefinition = sqlTable.Headers.FirstOrDefault(f => f.Name == key);
if (sqlColumnTypeDefinition == null)
{
sqlColumnTypeDefinition = new SqlColumnTypeDefinition();
sqlColumnTypeDefinition.Name = col.Key;
sqlColumnTypeDefinition.Type = sqlColumn.Type;
sqlTable.Headers.Add(sqlColumnTypeDefinition);
}
sqlColumn.ColumnTypeDefinition = sqlColumnTypeDefinition;
// override type of header to STRING because exists a string in the column
if (sqlColumnTypeDefinition.Type != typeof(string) && sqlColumn.Type == typeof(string))
sqlColumnTypeDefinition.Type = typeof(string);
}
}
// Fix type to STRING if all values is 'NULL'
foreach (var sqlHeader in sqlTable.Headers)
{
if (sqlHeader.Type == null)
sqlHeader.Type = typeof(string);
sqlHeader.TypeFormatted = sqlWriter.CSharpTypeToSqlType(sqlHeader.Type);
}
}
return sqlTable;
}
public static SqlTable CsvToSqlTable(TextReader textReader, ISqlWriter sqlWriter, bool hasHeader = true, string delimiter = ",", int count = -1)
{
var config = new CsvHelper.Configuration.CsvConfiguration();
config.Delimiter = delimiter;
config.HasHeaderRecord = hasHeader;
var reader = new CsvHelper.CsvReader(textReader, config);
var rows = reader.GetRecords <object>().ToList();
textReader.Close();
SqlTable sqlTable = null;
if (rows.Count > 0)
{
sqlTable = new SqlTable();
sqlTable.Headers = new List <SqlColumnTypeDefinition>();
sqlTable.Rows = new List <SqlRow>();
var i = 0;
foreach (var row in rows)
{
if (i == count)
{
break;
}
i++;
var columns = (System.Dynamic.ExpandoObject)row;
var sqlRow = new SqlRow();
sqlTable.Rows.Add(sqlRow);
var countUnkown = 1;
foreach (var col in columns)
{
// set rows
var sqlColumn = new SqlColumn();
sqlColumn.Type = sqlWriter.SqlTypeToCSharpType(col.Value);
sqlColumn.Value = col.Value;
sqlRow.Columns.Add(sqlColumn);
// set headers
var key = col.Key;
if (string.IsNullOrWhiteSpace(key))
{
key = "Unkown" + countUnkown;
countUnkown++;
}
SqlColumnTypeDefinition sqlColumnTypeDefinition = sqlTable.Headers.FirstOrDefault(f => f.Name == key);
if (sqlColumnTypeDefinition == null)
{
sqlColumnTypeDefinition = new SqlColumnTypeDefinition();
sqlColumnTypeDefinition.Name = col.Key;
sqlColumnTypeDefinition.Type = sqlColumn.Type;
sqlTable.Headers.Add(sqlColumnTypeDefinition);
}
sqlColumn.ColumnTypeDefinition = sqlColumnTypeDefinition;
// override type of header to STRING because exists a string in the column
if (sqlColumnTypeDefinition.Type != typeof(string) && sqlColumn.Type == typeof(string))
{
sqlColumnTypeDefinition.Type = typeof(string);
}
}
}
// Fix type to STRING if all values is 'NULL'
foreach (var sqlHeader in sqlTable.Headers)
{
if (sqlHeader.Type == null)
{
sqlHeader.Type = typeof(string);
}
sqlHeader.TypeFormatted = sqlWriter.CSharpTypeToSqlType(sqlHeader.Type);
}
}
return(sqlTable);
}