Query time 0.00236
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "73.40"
},
"ordering_operation": {
"using_temporary_table": true,
"using_filesort": true,
"cost_info": {
"sort_cost": "7.04"
},
"nested_loop": [
{
"table": {
"table_name": "cscart_ult_objects_sharing",
"access_type": "index",
"possible_keys": [
"PRIMARY"
],
"key": "PRIMARY",
"used_key_parts": [
"share_object_id",
"share_company_id",
"share_object_type"
],
"key_length": "159",
"rows_examined_per_scan": 170,
"rows_produced_per_join": 1,
"filtered": "1.00",
"using_index": true,
"cost_info": {
"read_cost": "17.62",
"eval_cost": "0.17",
"prefix_cost": "17.79",
"data_read_per_join": "272"
},
"used_columns": [
"share_company_id",
"share_object_id",
"share_object_type"
],
"attached_condition": "((`gaseus`.`cscart_ult_objects_sharing`.`share_company_id` = 1) and (`gaseus`.`cscart_ult_objects_sharing`.`share_object_type` = 'product_options'))"
}
},
{
"table": {
"table_name": "a",
"access_type": "eq_ref",
"possible_keys": [
"PRIMARY",
"c_status"
],
"key": "PRIMARY",
"used_key_parts": [
"option_id"
],
"key_length": "3",
"ref": [
"gaseus.cscart_ult_objects_sharing.share_object_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 1,
"filtered": "86.36",
"index_condition": "(`gaseus`.`cscart_ult_objects_sharing`.`share_object_id` = `gaseus`.`a`.`option_id`)",
"cost_info": {
"read_cost": "0.43",
"eval_cost": "0.15",
"prefix_cost": "18.38",
"data_read_per_join": "3K"
},
"used_columns": [
"option_id",
"product_id",
"company_id",
"option_type",
"regexp",
"required",
"multiupload",
"allowed_extensions",
"max_file_size",
"missing_variants_handling",
"status",
"position",
"value",
"yml2_type_options",
"yml2_option_param"
],
"attached_condition": "((`gaseus`.`a`.`product_id` = 0) and (`gaseus`.`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": [
"gaseus.a.option_id",
"const"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 1,
"filtered": "100.00",
"cost_info": {
"read_cost": "0.37",
"eval_cost": "0.15",
"prefix_cost": "18.90",
"data_read_per_join": "4K"
},
"used_columns": [
"option_id",
"lang_code",
"option_name",
"internal_option_name",
"option_text",
"description",
"comment",
"inner_hint",
"incorrect_message"
]
}
},
{
"table": {
"table_name": "c",
"access_type": "ref",
"possible_keys": [
"PRIMARY",
"product_id"
],
"key": "PRIMARY",
"used_key_parts": [
"option_id"
],
"key_length": "3",
"ref": [
"gaseus.cscart_ult_objects_sharing.share_object_id"
],
"rows_examined_per_scan": 302,
"rows_produced_per_join": 7,
"filtered": "1.59",
"using_index": true,
"cost_info": {
"read_cost": "3.13",
"eval_cost": "0.70",
"prefix_cost": "66.36",
"data_read_per_join": "56"
},
"used_columns": [
"option_id",
"product_id"
],
"attached_condition": "((`gaseus`.`c`.`option_id` = `gaseus`.`a`.`option_id`) and (`gaseus`.`c`.`product_id` in (160,175,176,177,178,179,180,181,257,258,259,260,261,262,263,311,312,313,314,315,316,3539,3540,3541,3542,3543,3544,3545,3954,3955,3956,3957,3958,3959,3960,3999,4000,4001,4002,4003,4004,4005,4059,4060,4061,4062,4063,4064,4065,4142,4143,4144,4145,4146,4147,4148,4195,4196,4197,4198,4199,4200,4201,6716,6715,3117,3119,3127,3133,3141,3142,6674,6680,6692,6693,6701,6707,1417,1393,1394,1395,1396,1397,1398,1399,1400,1401,1402,1403,1404,1405,1406,1407,1408,1409,1410)))"
}
}
]
}
}
}