()
| 1272 | |
| 1273 | |
| 1274 | def test_drop_columns(): |
| 1275 | old = T( |
| 1276 | """ |
| 1277 | pet | owner | age | weight |
| 1278 | 1 | Bob | 11 | 7 |
| 1279 | 1 | Eve | 10 | 11 |
| 1280 | 2 | Eve | 15 | 13 |
| 1281 | """ |
| 1282 | ) |
| 1283 | new = old.without(old.pet, old.age, pw.this.owner) |
| 1284 | expected = T( |
| 1285 | """ |
| 1286 | weight |
| 1287 | 7 |
| 1288 | 11 |
| 1289 | 13 |
| 1290 | """ |
| 1291 | ) |
| 1292 | assert_table_equality(new, expected) |
| 1293 | |
| 1294 | |
| 1295 | def test_filter(): |