protected override List <MemoryQueryResultRow> Init(ShardingRule rule, SchemaMetaData schemaMetaData, ISqlCommandContext <ISqlCommand> sqlCommandContext,
List <IStreamDataReader> streamDataReaders)
{
ICollection <MemoryQueryResultRow> result = new LinkedList <MemoryQueryResultRow>();
var tableNames = new HashSet <string>();
foreach (var streamDataReader in streamDataReaders)
{
while (streamDataReader.Read())
{
MemoryQueryResultRow memoryResultSetRow = new MemoryQueryResultRow(streamDataReader);
var actualTableName = memoryResultSetRow.GetCell(0).ToString();
var tableRule = rule.FindTableRuleByActualTable(actualTableName);
if (tableRule == null)
{
if (rule.TableRules.IsEmpty() || schemaMetaData.ContainsTable(actualTableName) && tableNames.Add(actualTableName))
{
result.Add(memoryResultSetRow);
}
}
else if (tableNames.Add(tableRule.LogicTable))
{
memoryResultSetRow.SetCell(1, tableRule.LogicTable);
SetCellValue(memoryResultSetRow, tableRule.LogicTable, actualTableName);
result.Add(memoryResultSetRow);
}
}
}
return(result.ToList());
}
protected virtual void SetCellValue(MemoryQueryResultRow memoryResultSetRow, string logicTableName, string actualTableName)
{
}
protected override void SetCellValue(MemoryQueryResultRow memoryResultSetRow, string logicTableName, string actualTableName)
{
memoryResultSetRow.SetCell(2, memoryResultSetRow.GetCell(2).ToString().ReplaceFirst(actualTableName, logicTableName));
}
