func (e *XSelectIndexExec) extractRowsFromSubResult(t table.Table, subResult *xapi.SubResult) ([]*Row, error) {
var rows []*Row
for {
h, rowData, err := subResult.Next()
if err != nil {
return nil, errors.Trace(err)
}
if rowData == nil {
break
}
if e.aggregate {
// compose aggreagte row
row := &Row{Data: rowData}
rows = append(rows, row)
continue
}
fullRowData := make([]types.Datum, len(e.indexPlan.Fields()))
var j int
for i, field := range e.indexPlan.Fields() {
if field.Referenced {
fullRowData[i] = rowData[j]
j++
}
}
row := resultRowToRow(t, h, fullRowData, e.indexPlan.TableAsName)
rows = append(rows, row)
}
return rows, nil
}
func extractHandlesFromIndexSubResult(subResult *xapi.SubResult) ([]int64, error) {
var handles []int64
for {
h, data, err := subResult.Next()
if err != nil {
return nil, errors.Trace(err)
}
if data == nil {
break
}
handles = append(handles, h)
}
return handles, nil
}
func extractRowsFromSubResult(t table.Table, subResult *xapi.SubResult) ([]*Row, error) {
var rows []*Row
for {
h, rowData, err := subResult.Next()
if err != nil {
return nil, errors.Trace(err)
}
if rowData == nil {
break
}
row := resultRowToRow(t, h, rowData)
rows = append(rows, row)
}
return rows, nil
}
func (e *NewXSelectIndexExec) extractRowsFromSubResult(t table.Table, subResult *xapi.SubResult) ([]*Row, error) {
var rows []*Row
for {
h, rowData, err := subResult.Next()
if err != nil {
return nil, errors.Trace(err)
}
if rowData == nil {
break
}
row := resultRowToRow(t, h, rowData, e.indexPlan.TableAsName)
rows = append(rows, row)
}
return rows, nil
}