Query time 0.00140
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 (431129,431338,431423,431439,430656,430947,430993,431051,339782,430722,430723,430778,430816,430856,430984,431074,339718,339675,430688,430702,431005,431165,431247,430627,431007,431027,431184,339604,430720,430742,430805,430839,430878,430933,430994,431022,430991,431177,431357,430917,430990,431019,431108,431264,430826,430889,430918,431275,431297,431426,430690,430791,430840,430872,430940,430652,430790,430835,430897,430977,431342,430674,430804,430828,430886,430979,431220,431358,431501,430958,430960,430968,431138,430871,430931,430952,431006,431345,431428,339597,430780,430786,430969,431288,431467,430715,430770,430894,430953,430972,431336,431451,339846,387050,431037,431262,431395,430666,430692,430726)) 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"
]
}
}
]
}
}
}