public static void SetRowLimitClause(this TOMWrapper.DataSource source, RowLimitClause rowLimitClause)
{
source.SetAnnotation(LIMITCLAUSE, $"{(int)rowLimitClause}");
}
public static void SetRowLimitClause(this Table table, RowLimitClause rowLimitClause)
{
table.Partitions[0].DataSource.SetRowLimitClause(rowLimitClause);
}
private static void DoImport(Pages.ImportMode importMode, Model model, TypedDataSource source, IEnumerable <SchemaNode> schemaNodes, RowLimitClause rowLimitClause, IdentifierQuoting identifierQuoting)
{
foreach (var tableSchema in schemaNodes)
{
var newTable = model.AddTable(tableSchema.Name);
if (newTable.Partitions[0] is MPartition)
{
Partition.CreateNew(newTable);
newTable.Partitions[0].Delete();
}
newTable.Partitions[0].Name = tableSchema.Name;
newTable.Partitions[0].Query = tableSchema.GetSql(identifierQuoting, true, source.UseThreePartName);
if (importMode != Pages.ImportMode.UseTempDs && !(source is SqlDataSource))
{
newTable.Partitions[0].DataSource = model.DataSources[source.TabularDsName];
newTable.SetRowLimitClause(rowLimitClause);
newTable.SetIdentifierQuoting(identifierQuoting);
}
var schemaTable = source.GetSchemaTable(tableSchema, identifierQuoting);
foreach (DataRow row in schemaTable.Rows)
{
var sourceColumn = row["ColumnName"].ToString();
var dataType =
schemaTable.Columns.Contains("DataTypeName") ?
row["DataTypeName"].ToString() :
(row["DataType"] as Type).Name;
var col = newTable.AddDataColumn(
sourceColumn, sourceColumn,
null,
TableMetadata.DataTypeMap(dataType)
);
col.SourceProviderType = dataType;
}
newTable.SetTableSchema(tableSchema);
newTable.Select();
}
}
private static void DoUpdate(Table table, TypedDataSource source, SchemaNode tableSchema, RowLimitClause rowLimitClause, IdentifierQuoting identifierQuoting)
{
table.Partitions[0].Name = tableSchema.Name;
table.Partitions[0].Query = tableSchema.GetSql(identifierQuoting, true, source.UseThreePartName);
table.SetTableSchema(tableSchema);
if (!(source is SqlDataSource))
{
table.SetRowLimitClause(rowLimitClause);
table.SetIdentifierQuoting(identifierQuoting);
}
var schemaTable = source.GetSchemaTable(tableSchema, identifierQuoting);
var updatedColumns = new HashSet <TOMWrapper.DataColumn>();
foreach (DataRow row in schemaTable.Rows)
{
var sourceColumn = row["ColumnName"].ToString();
var dataTypeName =
schemaTable.Columns.Contains("DataTypeName") ?
row["DataTypeName"].ToString() :
(row["DataType"] as Type).Name;
var column = table.DataColumns.FirstOrDefault(c => c.SourceColumn.EqualsI(sourceColumn));
if (column == null)
{
column = table.AddDataColumn(sourceColumn, sourceColumn);
}
column.DataType = TableMetadata.DataTypeMap(dataTypeName);
column.SourceProviderType = dataTypeName;
updatedColumns.Add(column);
}
foreach (var col in table.DataColumns.Except(updatedColumns).ToList())
{
col.Delete();
}
}
protected abstract DataTable InternalGetSampleData(SchemaNode tableOrView, RowLimitClause rowLimitClause, IdentifierQuoting identifierQuoting, out bool isError);
protected override DataTable InternalGetSampleData(SchemaNode tableOrView, RowLimitClause rowLimitClause, IdentifierQuoting identifierQuoting, out bool isError)
{
throw new NotImplementedException();
}
