Query time 0.00173
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "278.71"
},
"ordering_operation": {
"using_temporary_table": true,
"using_filesort": true,
"cost_info": {
"sort_cost": "53.45"
},
"nested_loop": [
{
"table": {
"table_name": "c",
"access_type": "range",
"possible_keys": [
"PRIMARY",
"product_id"
],
"key": "product_id",
"used_key_parts": [
"product_id"
],
"key_length": "3",
"rows_examined_per_scan": 100,
"rows_produced_per_join": 100,
"filtered": "100.00",
"using_index": true,
"cost_info": {
"read_cost": "21.12",
"eval_cost": "20.00",
"prefix_cost": "41.12",
"data_read_per_join": "800"
},
"used_columns": [
"option_id",
"product_id"
],
"attached_condition": "((`webmarco`.`c`.`product_id` in (271483,271484,190720,190686,190711,190675,190708,190716,415219,190712,190700,415312,190710,427780,190709,190721,190722,190680,190701,190717,190714,190679,190715,190681,190694,190685,190677,190688,190687,190678,190682,190684,427788,190702,352784,190704,190703,190706,190707,352781,352794,352795,352778,356734,352793,352791,352785,354012,352776,352777,352788,352792,352779,352790,352783,352787,359761,352786,356712,309479,356705,356862,356753,359804,352882,356714,356701,356859,352782,265116,356707,352780,356727,354114,352789,355579,435267,356958,435266,435268,435265,354572,356703,356724,356764,353643,356716,356878,353851,356813,353538,354532,353505,354679,356870,354027,354033,354536,353498,353653)) and (`webmarco`.`c`.`option_id` is not null))"
}
},
{
"table": {
"table_name": "a",
"access_type": "eq_ref",
"possible_keys": [
"PRIMARY",
"c_status"
],
"key": "PRIMARY",
"used_key_parts": [
"option_id"
],
"key_length": "3",
"ref": [
"webmarco.c.option_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 53,
"filtered": "53.45",
"cost_info": {
"read_cost": "100.00",
"eval_cost": "10.69",
"prefix_cost": "161.12",
"data_read_per_join": "162K"
},
"used_columns": [
"option_id",
"product_id",
"company_id",
"option_type",
"inventory",
"regexp",
"required",
"multiupload",
"allowed_extensions",
"max_file_size",
"missing_variants_handling",
"status",
"position",
"value",
"google_export_name_option"
],
"attached_condition": "((`webmarco`.`a`.`product_id` = 0) and (`webmarco`.`a`.`status` = 'A'))"
}
},
{
"table": {
"table_name": "b",
"access_type": "eq_ref",
"possible_keys": [
"PRIMARY"
],
"key": "PRIMARY",
"used_key_parts": [
"option_id",
"lang_code"
],
"key_length": "9",
"ref": [
"webmarco.c.option_id",
"const"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 53,
"filtered": "100.00",
"cost_info": {
"read_cost": "53.45",
"eval_cost": "10.69",
"prefix_cost": "225.26",
"data_read_per_join": "181K"
},
"used_columns": [
"option_id",
"lang_code",
"option_name",
"internal_option_name",
"option_text",
"description",
"comment",
"inner_hint",
"incorrect_message"
]
}
}
]
}
}
}