{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "54.25"
},
"nested_loop": [
{
"table": {
"table_name": "b",
"access_type": "index",
"possible_keys": [
"PRIMARY",
"c_status"
],
"key": "c_status",
"used_key_parts": [
"destination_id",
"status"
],
"key_length": "6",
"rows_examined_per_scan": 2,
"rows_produced_per_join": 1,
"filtered": "50.00",
"using_index": true,
"cost_info": {
"read_cost": "0.60",
"eval_cost": "0.10",
"prefix_cost": "0.70",
"data_read_per_join": "776"
},
"used_columns": [
"destination_id",
"status"
],
"attached_condition": "((`chocoramo`.`b`.`status` = 'A') and (`chocoramo`.`b`.`destination_id` is not null))"
}
},
{
"table": {
"table_name": "a",
"access_type": "ref",
"possible_keys": [
"c_status"
],
"key": "c_status",
"used_key_parts": [
"destination_id"
],
"key_length": "3",
"ref": [
"chocoramo.b.destination_id"
],
"rows_examined_per_scan": 485,
"rows_produced_per_join": 485,
"filtered": "100.00",
"cost_info": {
"read_cost": "5.05",
"eval_cost": "48.50",
"prefix_cost": "54.25",
"data_read_per_join": "371K"
},
"used_columns": [
"element_id",
"destination_id",
"element",
"element_type"
]
}
}
]
}
}
element_id | destination_id | element | element_type |
---|---|---|---|
1382 | 9 | US | C |
1381 | 9 | 59 | S |
1380 | 9 | 498 | S |
1379 | 9 | 47 | S |
1378 | 9 | 64 | S |
1377 | 9 | 63 | S |
1376 | 9 | 62 | S |
1375 | 9 | 61 | S |
1374 | 9 | 60 | S |
1373 | 9 | 58 | S |
1372 | 9 | 57 | S |
1371 | 9 | 56 | S |
1370 | 9 | 55 | S |
1369 | 9 | 54 | S |
1368 | 9 | 53 | S |
1367 | 9 | 52 | S |
1366 | 9 | 51 | S |
1365 | 9 | 50 | S |
1364 | 9 | 49 | S |
1363 | 9 | 48 | S |
1362 | 9 | 46 | S |
1361 | 9 | 45 | S |
1360 | 9 | 44 | S |
1359 | 9 | 43 | S |
1358 | 9 | 42 | S |
1357 | 9 | 41 | S |
1356 | 9 | 40 | S |
1355 | 9 | 39 | S |
1354 | 9 | 38 | S |
1353 | 9 | 37 | S |
1352 | 9 | 36 | S |
1351 | 9 | 35 | S |
1350 | 9 | 34 | S |
1349 | 9 | 33 | S |
1348 | 9 | 32 | S |
1347 | 9 | 31 | S |
1346 | 9 | 30 | S |
1345 | 9 | 26 | S |
1344 | 9 | 25 | S |
1343 | 9 | 24 | S |
1342 | 9 | 22 | S |
1341 | 9 | 27 | S |
1340 | 9 | 28 | S |
1339 | 9 | 29 | S |
1338 | 9 | 23 | S |
1337 | 9 | 21 | S |
1336 | 9 | 20 | S |
1335 | 9 | 19 | S |
1334 | 9 | 18 | S |
1333 | 9 | 17 | S |
1332 | 9 | 16 | S |
1331 | 9 | 15 | S |
1330 | 9 | 13 | S |
1329 | 9 | 12 | S |
1328 | 9 | 11 | S |
1327 | 9 | 10 | S |