query runs slct and writes the retrieved rows into pipe wr.
(wr *pipe.Writer, slct string, db *database.DB)
| 60 | |
| 61 | // query runs slct and writes the retrieved rows into pipe wr. |
| 62 | func runQuery(wr *pipe.Writer, slct string, db *database.DB) error { |
| 63 | rows, err := db.Query(slct) |
| 64 | if err != nil { |
| 65 | return fmt.Errorf("runQuery failed: %v", err) |
| 66 | } |
| 67 | defer rows.Close() |
| 68 | |
| 69 | columns, err := rows.Columns() |
| 70 | if err != nil { |
| 71 | return fmt.Errorf("failed to get columns: %v", err) |
| 72 | } |
| 73 | |
| 74 | columnTypes, err := rows.ColumnTypes() |
| 75 | if err != nil { |
| 76 | return fmt.Errorf("failed to get columnTypes: %v", err) |
| 77 | } |
| 78 | header := make(map[string]interface{}) |
| 79 | header["columnNames"] = columns |
| 80 | if e := wr.Write(header); e != nil { |
| 81 | return e |
| 82 | } |
| 83 | for rows.Next() { |
| 84 | if e := parseRow(columns, columnTypes, rows, wr); e != nil { |
| 85 | return e |
| 86 | } |
| 87 | } |
| 88 | return nil |
| 89 | } |
| 90 | |
| 91 | // parseRow calls rows.Scan to retrieve the current row, and convert |
| 92 | // each cell value from {}interface to an accuracy value. It then |
no test coverage detected