Query time 0.01413
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "2.96"
},
"ordering_operation": {
"using_filesort": true,
"grouping_operation": {
"using_temporary_table": true,
"using_filesort": true,
"buffer_result": {
"using_temporary_table": true,
"nested_loop": [
{
"table": {
"table_name": "companies",
"access_type": "system",
"possible_keys": [
"PRIMARY"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 1,
"filtered": "100.00",
"cost_info": {
"read_cost": "0.00",
"eval_cost": "0.20",
"prefix_cost": "0.00",
"data_read_per_join": "5K"
},
"used_columns": [
"company_id",
"status",
"company"
]
}
},
{
"table": {
"table_name": "shared_descr",
"access_type": "system",
"possible_keys": [
"PRIMARY",
"product_id",
"company_id"
],
"rows_examined_per_scan": 0,
"rows_produced_per_join": 1,
"filtered": "0.00",
"const_row_not_found": true,
"cost_info": {
"read_cost": "0.00",
"eval_cost": "0.20",
"prefix_cost": "0.00",
"data_read_per_join": "3K"
},
"used_columns": [
"product_id",
"lang_code",
"company_id",
"product"
]
}
},
{
"table": {
"table_name": "cscart_also_bought_products",
"access_type": "ref",
"possible_keys": [
"PRIMARY"
],
"key": "PRIMARY",
"used_key_parts": [
"product_id"
],
"key_length": "3",
"ref": [
"const"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 1,
"filtered": "100.00",
"index_condition": "(`ea201_francemaqu`.`cscart_also_bought_products`.`related_id` is not null)",
"cost_info": {
"read_cost": "1.00",
"eval_cost": "0.20",
"prefix_cost": "1.20",
"data_read_per_join": "16"
},
"used_columns": [
"product_id",
"related_id",
"amount"
]
}
},
{
"table": {
"table_name": "prices",
"access_type": "ref",
"possible_keys": [
"membership",
"product_id",
"lower_limit",
"membership_id"
],
"key": "membership",
"used_key_parts": [
"product_id"
],
"key_length": "3",
"ref": [
"ea201_francemaqu.cscart_also_bought_products.related_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 0,
"filtered": "99.94",
"using_index": true,
"cost_info": {
"read_cost": "1.00",
"eval_cost": "0.20",
"prefix_cost": "2.40",
"data_read_per_join": "23"
},
"used_columns": [
"product_id",
"lower_limit",
"usergroup_id"
],
"attached_condition": "((`ea201_francemaqu`.`prices`.`lower_limit` = 1) and (`ea201_francemaqu`.`prices`.`usergroup_id` in (0,0,1)))"
}
},
{
"table": {
"table_name": "products",
"access_type": "eq_ref",
"possible_keys": [
"PRIMARY",
"status"
],
"key": "PRIMARY",
"used_key_parts": [
"product_id"
],
"key_length": "3",
"ref": [
"ea201_francemaqu.cscart_also_bought_products.related_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 0,
"filtered": "8.24",
"cost_info": {
"read_cost": "0.00",
"eval_cost": "0.02",
"prefix_cost": "2.60",
"data_read_per_join": "307"
},
"used_columns": [
"product_id",
"product_type",
"status",
"company_id",
"usergroup_ids",
"parent_product_id"
],
"attached_condition": "((`ea201_francemaqu`.`products`.`company_id` = '1') and ((`ea201_francemaqu`.`products`.`usergroup_ids` = '') or find_in_set(0,`ea201_francemaqu`.`products`.`usergroup_ids`) or find_in_set(1,`ea201_francemaqu`.`products`.`usergroup_ids`)) and (`ea201_francemaqu`.`products`.`status` = 'A'))"
}
},
{
"table": {
"table_name": "descr1",
"access_type": "eq_ref",
"possible_keys": [
"PRIMARY",
"product_id"
],
"key": "PRIMARY",
"used_key_parts": [
"product_id",
"lang_code"
],
"key_length": "9",
"ref": [
"ea201_francemaqu.cscart_also_bought_products.related_id",
"const"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 0,
"filtered": "100.00",
"cost_info": {
"read_cost": "0.00",
"eval_cost": "0.02",
"prefix_cost": "2.62",
"data_read_per_join": "322"
},
"used_columns": [
"product_id",
"lang_code",
"product"
]
}
},
{
"table": {
"table_name": "products_categories",
"access_type": "ref",
"possible_keys": [
"PRIMARY",
"pt"
],
"key": "pt",
"used_key_parts": [
"product_id"
],
"key_length": "3",
"ref": [
"ea201_francemaqu.cscart_also_bought_products.related_id"
],
"rows_examined_per_scan": 3,
"rows_produced_per_join": 0,
"filtered": "100.00",
"cost_info": {
"read_cost": "0.25",
"eval_cost": "0.05",
"prefix_cost": "2.91",
"data_read_per_join": "3"
},
"used_columns": [
"product_id",
"category_id"
]
}
},
{
"table": {
"table_name": "cscart_categories",
"access_type": "eq_ref",
"possible_keys": [
"PRIMARY",
"c_status",
"p_category_id"
],
"key": "PRIMARY",
"used_key_parts": [
"category_id"
],
"key_length": "3",
"ref": [
"ea201_francemaqu.products_categories.category_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 0,
"filtered": "5.00",
"cost_info": {
"read_cost": "0.00",
"eval_cost": "0.00",
"prefix_cost": "2.96",
"data_read_per_join": "33"
},
"used_columns": [
"category_id",
"usergroup_ids",
"status",
"storefront_id"
],
"attached_condition": "(((`ea201_francemaqu`.`cscart_categories`.`usergroup_ids` = '') or find_in_set(0,`ea201_francemaqu`.`cscart_categories`.`usergroup_ids`) or find_in_set(1,`ea201_francemaqu`.`cscart_categories`.`usergroup_ids`)) and (`ea201_francemaqu`.`cscart_categories`.`status` in ('A','H')) and (`ea201_francemaqu`.`cscart_categories`.`storefront_id` in (0,1)))"
}
}
]
}
}
}
}
}