{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "0.70"
},
"nested_loop": [
{
"table": {
"table_name": "PF",
"access_type": "ref",
"possible_keys": [
"feature_id"
],
"key": "feature_id",
"used_key_parts": [
"feature_id"
],
"key_length": "3",
"ref": [
"const"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 1,
"filtered": "100.00",
"using_index": true,
"cost_info": {
"read_cost": "0.25",
"eval_cost": "0.10",
"prefix_cost": "0.35",
"data_read_per_join": "72"
},
"used_columns": [
"filter_id",
"feature_id"
]
}
},
{
"table": {
"table_name": "PFD",
"access_type": "ref",
"possible_keys": [
"PRIMARY"
],
"key": "PRIMARY",
"used_key_parts": [
"filter_id"
],
"key_length": "3",
"ref": [
"dev2.PF.filter_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 1,
"filtered": "100.00",
"cost_info": {
"read_cost": "0.25",
"eval_cost": "0.10",
"prefix_cost": "0.70",
"data_read_per_join": "1K"
},
"used_columns": [
"filter_id",
"range_input"
]
}
}
]
}
}
range_input |
---|
Y |