Query time 0.00157
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 (430995,431290,431004,431087,430983,431071,431231,431405,431497,431381,431411,431017,431182,431274,431434,430686,430974,431045,431175,430765,430785,431001,431494,431495,430762,430965,431403,431465,381710,430963,431002,431025,431240,431329,381707,430755,430964,430966,431457,430630,430752,430773,431304,431284,431425,431328,430711,430961,431235,431343,431362,431422,431498,431505,431079,431355,431394,431408,431243,431260,431383,431407,430759,431015,431283,431488,430669,430700,430943,430971,431105,431152,431340,431352,431409,430944,431018,431057,431069,431217,431337,430705,430929,430978,431030,431419,430717,430781,431311,431346,431427,435510,430938,430956,431302,431482,431500,431415,431453,430732)) 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"
]
}
}
]
}
}
}