Query time 0.00311
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "223.17"
},
"ordering_operation": {
"using_temporary_table": true,
"using_filesort": true,
"cost_info": {
"sort_cost": "42.76"
},
"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": 80,
"rows_produced_per_join": 80,
"filtered": "100.00",
"using_index": true,
"cost_info": {
"read_cost": "17.10",
"eval_cost": "16.00",
"prefix_cost": "33.10",
"data_read_per_join": "640"
},
"used_columns": [
"option_id",
"product_id"
],
"attached_condition": "((`webmarco`.`c`.`product_id` in (415288,269868,269870,265423,265427,265433,265422,265411,270140,269842,269869,269838,265431,269871,269853,269845,269872,269860,269867,265430,265412,269843,269835,265403,265414,270143,269840,265419,265413,265424,269848,392318,269851,270139,269863,269837,269865,270155,270141,392269,270142,270144,265428,265408,392330,265401,265420,392264,265465,392324,392270,392272,392314,392325,392273,392329,392317,392326,392332,392333,392335,392313,392319,392320,392328,392262,392323,392316,392271,392331,392266,392268,392274,392275,392327,392321,392334,392315,392322,392312)) 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": 42,
"filtered": "53.45",
"cost_info": {
"read_cost": "80.00",
"eval_cost": "8.55",
"prefix_cost": "129.10",
"data_read_per_join": "129K"
},
"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": 42,
"filtered": "100.00",
"cost_info": {
"read_cost": "42.76",
"eval_cost": "8.55",
"prefix_cost": "180.41",
"data_read_per_join": "145K"
},
"used_columns": [
"option_id",
"lang_code",
"option_name",
"internal_option_name",
"option_text",
"description",
"comment",
"inner_hint",
"incorrect_message"
]
}
}
]
}
}
}