Query time 0.00397
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "30.90"
},
"ordering_operation": {
"using_filesort": true,
"grouping_operation": {
"using_temporary_table": true,
"using_filesort": false,
"nested_loop": [
{
"table": {
"table_name": "companies",
"access_type": "range",
"possible_keys": [
"PRIMARY"
],
"key": "PRIMARY",
"used_key_parts": [
"company_id"
],
"key_length": "4",
"rows_examined_per_scan": 2,
"rows_produced_per_join": 1,
"filtered": "50.00",
"index_condition": "(`atulecarter_atul_demo4`.`companies`.`company_id` in ('1','2'))",
"cost_info": {
"read_cost": "4.61",
"eval_cost": "0.20",
"prefix_cost": "4.81",
"data_read_per_join": "8K"
},
"used_columns": [
"company_id",
"status",
"company"
],
"attached_condition": "(`atulecarter_atul_demo4`.`companies`.`status` = 'A')"
}
},
{
"table": {
"table_name": "cscart_categories",
"access_type": "ALL",
"possible_keys": [
"PRIMARY",
"c_status",
"p_category_id"
],
"rows_examined_per_scan": 84,
"rows_produced_per_join": 1,
"filtered": "1.67",
"using_join_buffer": "Block Nested Loop",
"cost_info": {
"read_cost": "20.06",
"eval_cost": "0.28",
"prefix_cost": "25.15",
"data_read_per_join": "3K"
},
"used_columns": [
"category_id",
"storefront_id",
"usergroup_ids",
"status"
],
"attached_condition": "((`atulecarter_atul_demo4`.`cscart_categories`.`category_id` in (166,174,175,176,177,178,179,180,181,182,199,185,186,187,188,189,190,191,194,193,195,196,197,198,200,202,234,235,236,237,238,240,254,255,263)) and ((`atulecarter_atul_demo4`.`cscart_categories`.`usergroup_ids` = '') or find_in_set(0,`atulecarter_atul_demo4`.`cscart_categories`.`usergroup_ids`) or find_in_set(1,`atulecarter_atul_demo4`.`cscart_categories`.`usergroup_ids`)) and (`atulecarter_atul_demo4`.`cscart_categories`.`status` in ('A','H')) and (`atulecarter_atul_demo4`.`cscart_categories`.`storefront_id` in (0,1)))"
}
},
{
"table": {
"table_name": "products_categories",
"access_type": "ref",
"possible_keys": [
"PRIMARY",
"pt"
],
"key": "PRIMARY",
"used_key_parts": [
"category_id"
],
"key_length": "3",
"ref": [
"atulecarter_atul_demo4.cscart_categories.category_id"
],
"rows_examined_per_scan": 2,
"rows_produced_per_join": 2,
"filtered": "100.00",
"using_index": true,
"cost_info": {
"read_cost": "1.46",
"eval_cost": "0.56",
"prefix_cost": "27.17",
"data_read_per_join": "44"
},
"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": [
"atulecarter_atul_demo4.products_categories.product_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 0,
"filtered": "5.00",
"cost_info": {
"read_cost": "2.80",
"eval_cost": "0.03",
"prefix_cost": "30.53",
"data_read_per_join": "686"
},
"used_columns": [
"product_id",
"product_type",
"status",
"company_id",
"usergroup_ids",
"parent_product_id"
],
"attached_condition": "((`atulecarter_atul_demo4`.`products`.`company_id` = `atulecarter_atul_demo4`.`companies`.`company_id`) and (`atulecarter_atul_demo4`.`products`.`parent_product_id` = 0) and ((`atulecarter_atul_demo4`.`products`.`usergroup_ids` = '') or find_in_set(0,`atulecarter_atul_demo4`.`products`.`usergroup_ids`) or find_in_set(1,`atulecarter_atul_demo4`.`products`.`usergroup_ids`)) and (`atulecarter_atul_demo4`.`products`.`status` = 'A') and (`atulecarter_atul_demo4`.`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": [
"atulecarter_atul_demo4.products_categories.product_id",
"const"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 0,
"filtered": "100.00",
"cost_info": {
"read_cost": "0.14",
"eval_cost": "0.03",
"prefix_cost": "30.70",
"data_read_per_join": "654"
},
"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": [
"atulecarter_atul_demo4.products_categories.product_id"
],
"rows_examined_per_scan": 2,
"rows_produced_per_join": 0,
"filtered": "96.52",
"using_index": true,
"cost_info": {
"read_cost": "0.15",
"eval_cost": "0.05",
"prefix_cost": "30.90",
"data_read_per_join": "6"
},
"used_columns": [
"product_id",
"lower_limit",
"usergroup_id"
],
"attached_condition": "((`atulecarter_atul_demo4`.`prices`.`lower_limit` = 1) and (`atulecarter_atul_demo4`.`prices`.`usergroup_id` in (0,0,1)))"
}
}
]
}
}
}
}
Result
| product_id |
product |
company_name |
product_type |
parent_product_id |
| 163 |
NX200 20.3 Megapixel Compact System Camera |
CS-Cart |
P |
0 |
| 155 |
Porta Pro KTC On-Ear Headphone |
CS-Cart |
P |
0 |
| 55 |
PRS-D800 |
CS-Cart |
P |
0 |
| 69 |
Rhyme |
CS-Cart |
P |
0 |
| 184 |
Samsung 30mm NX Pancake Lens |
CS-Cart |
P |
0 |
| 183 |
Samsung 50-200mm NX Telephoto OIS Lens |
CS-Cart |
P |
0 |
| 133 |
Samsung Galaxy Player 4.0 |
CS-Cart |
P |
0 |
| 132 |
Samsung Galaxy Player 5.0 |
CS-Cart |
P |
0 |
| 125 |
Samsung Galaxy S II |
CS-Cart |
P |
0 |
| 120 |
Samsung Galaxy S II, Epic 4G Touch (Black) |
CS-Cart |
P |
0 |
| 146 |
Sansa Clip+ MP3 Player (Blue) - 4GB |
CS-Cart |
P |
0 |
| 147 |
Sansa Clip+ MP3 Player (Red) - 4GB |
CS-Cart |
P |
0 |