Query time 0.00115
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "8.40"
},
"ordering_operation": {
"using_filesort": true,
"grouping_operation": {
"using_temporary_table": true,
"using_filesort": false,
"nested_loop": [
{
"table": {
"table_name": "cscart_categories",
"access_type": "const",
"possible_keys": [
"PRIMARY",
"c_status",
"p_category_id"
],
"key": "PRIMARY",
"used_key_parts": [
"category_id"
],
"key_length": "3",
"ref": [
"const"
],
"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": "2K"
},
"used_columns": [
"category_id",
"storefront_id",
"usergroup_ids",
"status"
]
}
},
{
"table": {
"table_name": "companies",
"access_type": "ALL",
"possible_keys": [
"PRIMARY"
],
"rows_examined_per_scan": 2,
"rows_produced_per_join": 1,
"filtered": "50.00",
"cost_info": {
"read_cost": "2.28",
"eval_cost": "0.20",
"prefix_cost": "2.48",
"data_read_per_join": "6K"
},
"used_columns": [
"company_id",
"status",
"company"
],
"attached_condition": "(`satishecarter_dec_setup_001`.`companies`.`status` = 'A')"
}
},
{
"table": {
"table_name": "products_categories",
"access_type": "ref",
"possible_keys": [
"PRIMARY",
"pt"
],
"key": "PRIMARY",
"used_key_parts": [
"category_id"
],
"key_length": "3",
"ref": [
"const"
],
"rows_examined_per_scan": 3,
"rows_produced_per_join": 3,
"filtered": "100.00",
"using_index": true,
"cost_info": {
"read_cost": "1.05",
"eval_cost": "0.60",
"prefix_cost": "4.13",
"data_read_per_join": "48"
},
"used_columns": [
"product_id",
"category_id"
]
}
},
{
"table": {
"table_name": "products",
"access_type": "eq_ref",
"possible_keys": [
"PRIMARY",
"status",
"idx_parent_product_id"
],
"key": "PRIMARY",
"used_key_parts": [
"product_id"
],
"key_length": "3",
"ref": [
"satishecarter_dec_setup_001.products_categories.product_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 0,
"filtered": "8.53",
"cost_info": {
"read_cost": "3.00",
"eval_cost": "0.05",
"prefix_cost": "7.73",
"data_read_per_join": "1K"
},
"used_columns": [
"product_id",
"product_type",
"status",
"company_id",
"usergroup_ids",
"parent_product_id"
],
"attached_condition": "((`satishecarter_dec_setup_001`.`products`.`company_id` = `satishecarter_dec_setup_001`.`companies`.`company_id`) and (`satishecarter_dec_setup_001`.`products`.`parent_product_id` = 0) and ((`satishecarter_dec_setup_001`.`products`.`usergroup_ids` = '') or find_in_set(0,`satishecarter_dec_setup_001`.`products`.`usergroup_ids`) or find_in_set(1,`satishecarter_dec_setup_001`.`products`.`usergroup_ids`)) and (`satishecarter_dec_setup_001`.`products`.`status` = 'A') and (`satishecarter_dec_setup_001`.`products`.`product_type` <> 'D'))"
}
},
{
"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": [
"satishecarter_dec_setup_001.products_categories.product_id",
"const"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 0,
"filtered": "100.00",
"cost_info": {
"read_cost": "0.26",
"eval_cost": "0.05",
"prefix_cost": "8.04",
"data_read_per_join": "1K"
},
"used_columns": [
"product_id",
"lang_code",
"product"
]
}
},
{
"table": {
"table_name": "prices",
"access_type": "ref",
"possible_keys": [
"usergroup",
"product_id",
"lower_limit",
"usergroup_id"
],
"key": "usergroup",
"used_key_parts": [
"product_id"
],
"key_length": "3",
"ref": [
"satishecarter_dec_setup_001.products_categories.product_id"
],
"rows_examined_per_scan": 2,
"rows_produced_per_join": 0,
"filtered": "92.52",
"using_index": true,
"cost_info": {
"read_cost": "0.27",
"eval_cost": "0.09",
"prefix_cost": "8.41",
"data_read_per_join": "11"
},
"used_columns": [
"product_id",
"lower_limit",
"usergroup_id"
],
"attached_condition": "((`satishecarter_dec_setup_001`.`prices`.`lower_limit` = 1) and (`satishecarter_dec_setup_001`.`prices`.`usergroup_id` in (0,0,1)))"
}
}
]
}
}
}
}