Query time 0.00153
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "162.08"
},
"ordering_operation": {
"using_temporary_table": true,
"using_filesort": true,
"cost_info": {
"sort_cost": "31.00"
},
"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": 58,
"rows_produced_per_join": 58,
"filtered": "100.00",
"using_index": true,
"cost_info": {
"read_cost": "12.67",
"eval_cost": "11.60",
"prefix_cost": "24.27",
"data_read_per_join": "464"
},
"used_columns": [
"option_id",
"product_id"
],
"attached_condition": "((`webmarco`.`c`.`product_id` in (185415,185391,185376,185375,185380,185377,185395,185385,185416,185379,185392,185393,185386,185422,185378,185402,185383,185388,185425,185382,185400,185394,185403,185387,185381,185409,185419,185397,185384,185413,185429,185424,185411,185423,185421,185404,185398,185399,185407,185412,185405,185414,185418,185396,185427,185417,185428,185406,185408,185431,185389,185390,185401,185426,185432,185420,185430,185410)) 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": 31,
"filtered": "53.45",
"cost_info": {
"read_cost": "58.00",
"eval_cost": "6.20",
"prefix_cost": "93.87",
"data_read_per_join": "94K"
},
"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": 31,
"filtered": "100.00",
"cost_info": {
"read_cost": "31.00",
"eval_cost": "6.20",
"prefix_cost": "131.07",
"data_read_per_join": "105K"
},
"used_columns": [
"option_id",
"lang_code",
"option_name",
"internal_option_name",
"option_text",
"description",
"comment",
"inner_hint",
"incorrect_message"
]
}
}
]
}
}
}