Query time 0.00191
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "2.90"
},
"ordering_operation": {
"using_filesort": true,
"grouping_operation": {
"using_temporary_table": true,
"using_filesort": false,
"nested_loop": [
{
"table": {
"table_name": "cscart_tags",
"access_type": "ref",
"possible_keys": [
"PRIMARY",
"tag"
],
"key": "tag",
"used_key_parts": [
"tag"
],
"key_length": "767",
"ref": [
"const"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 0,
"filtered": "10.00",
"cost_info": {
"read_cost": "0.25",
"eval_cost": "0.01",
"prefix_cost": "0.35",
"data_read_per_join": "78"
},
"used_columns": [
"tag_id",
"tag",
"status"
],
"attached_condition": "(`cscart_db`.`cscart_tags`.`status` = 'A')"
}
},
{
"table": {
"table_name": "cscart_tag_links",
"access_type": "ref",
"possible_keys": [
"PRIMARY",
"tag_id",
"ids",
"idx_tag_links_object_id"
],
"key": "tag_id",
"used_key_parts": [
"tag_id",
"object_type"
],
"key_length": "6",
"ref": [
"cscart_db.cscart_tags.tag_id",
"const"
],
"rows_examined_per_scan": 32,
"rows_produced_per_join": 3,
"filtered": "100.00",
"using_index": true,
"cost_info": {
"read_cost": "0.10",
"eval_cost": "0.33",
"prefix_cost": "0.78",
"data_read_per_join": "52"
},
"used_columns": [
"tag_id",
"object_type",
"object_id"
]
}
},
{
"table": {
"table_name": "products",
"access_type": "eq_ref",
"possible_keys": [
"PRIMARY",
"age_verification",
"status",
"idx_parent_product_id",
"idx_master_product_id",
"youtube_link",
"idx_products_parent_lookup",
"idx_products_status_company",
"idx_products_master_status",
"idx_products_inventory",
"idx_products_status_company_master",
"idx_products_main_query",
"idx_products_query_opt",
"idx_products_composite_query",
"idx_kl_qc_enabled"
],
"key": "PRIMARY",
"used_key_parts": [
"product_id"
],
"key_length": "3",
"ref": [
"cscart_db.cscart_tag_links.object_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 0,
"filtered": "5.00",
"cost_info": {
"read_cost": "1.39",
"eval_cost": "0.02",
"prefix_cost": "2.50",
"data_read_per_join": "871"
},
"used_columns": [
"product_id",
"kl_erp_inventory_id",
"product_type",
"status",
"company_id",
"amount",
"kl_enable_qc",
"kl_qc_amount",
"tracking",
"parent_product_id",
"master_product_id",
"master_product_status",
"master_product_offers_count"
],
"attached_condition": "((`cscart_db`.`products`.`master_product_id` = 0) and (`cscart_db`.`products`.`parent_product_id` = 0) and (`cscart_db`.`products`.`company_id` in (13,0)) and ((`cscart_db`.`products`.`amount` > 0) or (`cscart_db`.`products`.`tracking` = 'D')) and (`cscart_db`.`products`.`status` = 'A') and (`cscart_db`.`products`.`master_product_status` = 'A') and (`cscart_db`.`products`.`company_id` > 0) and (`cscart_db`.`cscart_tag_links`.`object_id` = `cscart_db`.`products`.`product_id`))"
}
},
{
"table": {
"table_name": "products_categories",
"access_type": "ref",
"possible_keys": [
"idx_products_categories_composite"
],
"key": "idx_products_categories_composite",
"used_key_parts": [
"product_id"
],
"key_length": "3",
"ref": [
"cscart_db.cscart_tag_links.object_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 0,
"filtered": "100.00",
"using_index": true,
"cost_info": {
"read_cost": "0.05",
"eval_cost": "0.02",
"prefix_cost": "2.57",
"data_read_per_join": "3"
},
"used_columns": [
"product_id",
"category_id"
],
"attached_condition": "(`cscart_db`.`products_categories`.`product_id` = `cscart_db`.`products`.`product_id`)"
}
},
{
"table": {
"table_name": "cscart_categories",
"access_type": "eq_ref",
"possible_keys": [
"PRIMARY",
"p_category_id",
"idx_categories_storefront_status",
"idx_categories_usergroup_status",
"idx_categories_status_id_path"
],
"key": "PRIMARY",
"used_key_parts": [
"category_id"
],
"key_length": "3",
"ref": [
"cscart_db.products_categories.category_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 0,
"filtered": "81.96",
"cost_info": {
"read_cost": "0.05",
"eval_cost": "0.02",
"prefix_cost": "2.63",
"data_read_per_join": "442"
},
"used_columns": [
"category_id",
"status",
"storefront_id"
],
"attached_condition": "((`cscart_db`.`cscart_categories`.`status` in ('A','H')) and (`cscart_db`.`cscart_categories`.`storefront_id` in (0,1)))"
}
},
{
"table": {
"table_name": "cscart_product_sales",
"access_type": "ref",
"possible_keys": [
"idx_product_sales_category_amount"
],
"key": "idx_product_sales_category_amount",
"used_key_parts": [
"category_id",
"product_id"
],
"key_length": "6",
"ref": [
"cscart_db.products_categories.category_id",
"cscart_db.products.product_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 0,
"filtered": "100.00",
"using_index": true,
"cost_info": {
"read_cost": "0.04",
"eval_cost": "0.02",
"prefix_cost": "2.69",
"data_read_per_join": "2"
},
"used_columns": [
"category_id",
"product_id",
"amount"
]
}
},
{
"table": {
"table_name": "descr1",
"access_type": "eq_ref",
"possible_keys": [
"PRIMARY",
"product_id",
"idx_product_desc_lang",
"idx_product_name_search",
"idx_product_desc_sort"
],
"key": "PRIMARY",
"used_key_parts": [
"product_id",
"lang_code"
],
"key_length": "9",
"ref": [
"cscart_db.products.product_id",
"const"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 0,
"filtered": "100.00",
"cost_info": {
"read_cost": "0.10",
"eval_cost": "0.02",
"prefix_cost": "2.80",
"data_read_per_join": "722"
},
"used_columns": [
"product_id",
"lang_code",
"product"
]
}
},
{
"table": {
"table_name": "prices",
"access_type": "ref",
"possible_keys": [
"usergroup",
"product_id",
"lower_limit",
"usergroup_id",
"idx_product_prices_usergroup_limit",
"idx_prices_discount_lookup",
"idx_prices_min_calc",
"idx_prices_usergroup_lookup",
"idx_prices_usergroup_product"
],
"key": "idx_prices_discount_lookup",
"used_key_parts": [
"product_id",
"lower_limit"
],
"key_length": "6",
"ref": [
"cscart_db.products.product_id",
"const"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 0,
"filtered": "100.00",
"using_index": true,
"cost_info": {
"read_cost": "0.04",
"eval_cost": "0.02",
"prefix_cost": "2.85",
"data_read_per_join": "3"
},
"used_columns": [
"product_id",
"lower_limit",
"usergroup_id"
],
"attached_condition": "<if>(is_not_null_compl(prices), (`cscart_db`.`prices`.`usergroup_id` in (0,1)), true)"
}
},
{
"table": {
"table_name": "companies",
"access_type": "eq_ref",
"possible_keys": [
"PRIMARY"
],
"key": "PRIMARY",
"used_key_parts": [
"company_id"
],
"key_length": "4",
"ref": [
"cscart_db.products.company_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 0,
"filtered": "100.00",
"cost_info": {
"read_cost": "0.03",
"eval_cost": "0.02",
"prefix_cost": "2.90",
"data_read_per_join": "1K"
},
"used_columns": [
"company_id",
"status",
"company"
],
"attached_condition": "<if>(found_match(companies), ((`cscart_db`.`companies`.`status` = 'A') or (`cscart_db`.`products`.`company_id` = 0)), true)"
}
}
]
}
}
}
}