Query time 0.00110
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "16.45"
},
"ordering_operation": {
"using_filesort": true,
"grouping_operation": {
"using_temporary_table": true,
"using_filesort": false,
"nested_loop": [
{
"table": {
"table_name": "companies",
"access_type": "ALL",
"possible_keys": [
"PRIMARY"
],
"rows_examined_per_scan": 7,
"rows_produced_per_join": 0,
"filtered": "14.29",
"cost_info": {
"read_cost": "3.60",
"eval_cost": "0.20",
"prefix_cost": "3.80",
"data_read_per_join": "6K"
},
"used_columns": [
"company_id",
"status",
"company"
],
"attached_condition": "(`satishecarter_march_003`.`companies`.`status` = 'A')"
}
},
{
"table": {
"table_name": "c_var",
"access_type": "ref",
"possible_keys": [
"variant_id",
"lang_code",
"product_id",
"idx_product_feature_variant_id"
],
"key": "variant_id",
"used_key_parts": [
"variant_id"
],
"key_length": "3",
"ref": [
"const"
],
"rows_examined_per_scan": 3,
"rows_produced_per_join": 2,
"filtered": "97.08",
"cost_info": {
"read_cost": "3.00",
"eval_cost": "0.58",
"prefix_cost": "7.40",
"data_read_per_join": "2K"
},
"used_columns": [
"product_id",
"variant_id",
"lang_code"
],
"attached_condition": "(`satishecarter_march_003`.`c_var`.`lang_code` = 'en')"
}
},
{
"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_march_003.c_var.product_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 0,
"filtered": "8.53",
"cost_info": {
"read_cost": "2.91",
"eval_cost": "0.05",
"prefix_cost": "10.90",
"data_read_per_join": "1K"
},
"used_columns": [
"product_id",
"product_type",
"status",
"company_id",
"usergroup_ids",
"parent_product_id"
],
"attached_condition": "((`satishecarter_march_003`.`products`.`company_id` = `satishecarter_march_003`.`companies`.`company_id`) and (`satishecarter_march_003`.`products`.`parent_product_id` = 0) and ((`satishecarter_march_003`.`products`.`usergroup_ids` = '') or find_in_set(0,`satishecarter_march_003`.`products`.`usergroup_ids`) or find_in_set(1,`satishecarter_march_003`.`products`.`usergroup_ids`)) and (`satishecarter_march_003`.`products`.`status` = 'A') and (`satishecarter_march_003`.`products`.`product_type` <> 'D'))"
}
},
{
"table": {
"table_name": "products_categories",
"access_type": "ref",
"possible_keys": [
"PRIMARY",
"pt"
],
"key": "pt",
"used_key_parts": [
"product_id"
],
"key_length": "3",
"ref": [
"satishecarter_march_003.c_var.product_id"
],
"rows_examined_per_scan": 11,
"rows_produced_per_join": 2,
"filtered": "100.00",
"cost_info": {
"read_cost": "1.49",
"eval_cost": "0.55",
"prefix_cost": "12.93",
"data_read_per_join": "43"
},
"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": [
"satishecarter_march_003.products_categories.category_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 0,
"filtered": "5.00",
"cost_info": {
"read_cost": "2.73",
"eval_cost": "0.03",
"prefix_cost": "16.22",
"data_read_per_join": "365"
},
"used_columns": [
"category_id",
"storefront_id",
"usergroup_ids",
"status"
],
"attached_condition": "(((`satishecarter_march_003`.`cscart_categories`.`usergroup_ids` = '') or find_in_set(0,`satishecarter_march_003`.`cscart_categories`.`usergroup_ids`) or find_in_set(1,`satishecarter_march_003`.`cscart_categories`.`usergroup_ids`)) and (`satishecarter_march_003`.`cscart_categories`.`status` in ('A','H')) and (`satishecarter_march_003`.`cscart_categories`.`storefront_id` in (0,1)))"
}
},
{
"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_march_003.c_var.product_id",
"const"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 0,
"filtered": "100.00",
"cost_info": {
"read_cost": "0.01",
"eval_cost": "0.03",
"prefix_cost": "16.26",
"data_read_per_join": "638"
},
"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_march_003.c_var.product_id"
],
"rows_examined_per_scan": 2,
"rows_produced_per_join": 0,
"filtered": "92.52",
"using_index": true,
"cost_info": {
"read_cost": "0.14",
"eval_cost": "0.05",
"prefix_cost": "16.45",
"data_read_per_join": "6"
},
"used_columns": [
"product_id",
"lower_limit",
"usergroup_id"
],
"attached_condition": "((`satishecarter_march_003`.`prices`.`lower_limit` = 1) and (`satishecarter_march_003`.`prices`.`usergroup_id` in (0,0,1)))"
}
}
]
}
}
}
}
Result
product_id |
product |
company_name |
product_type |
parent_product_id |
134 |
Creative ZEN Style M300 MP3 Player 16GB (Black) |
CS-Cart |
P |
0 |
135 |
Creative ZEN Touch 2 MP3 Player 8GB (Black) |
CS-Cart |
P |
0 |