Query time 0.00889
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "2558.82"
},
"grouping_operation": {
"using_temporary_table": true,
"using_filesort": true,
"cost_info": {
"sort_cost": "30.72"
},
"nested_loop": [
{
"table": {
"table_name": "inventory",
"access_type": "system",
"possible_keys": [
"pc"
],
"rows_examined_per_scan": 0,
"rows_produced_per_join": 1,
"filtered": "0.00",
"const_row_not_found": true,
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},
"used_columns": [
"product_id",
"amount"
]
}
},
{
"table": {
"table_name": "companies",
"access_type": "const",
"possible_keys": [
"PRIMARY"
],
"key": "PRIMARY",
"used_key_parts": [
"company_id"
],
"key_length": "4",
"ref": [
"const"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 1,
"filtered": "100.00",
"cost_info": {
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"eval_cost": "0.20",
"prefix_cost": "0.00",
"data_read_per_join": "5K"
},
"used_columns": [
"company_id",
"status"
]
}
},
{
"table": {
"table_name": "q_product_filters",
"access_type": "ALL",
"possible_keys": [
"PRIMARY",
"feature_id"
],
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"rows_produced_per_join": 3,
"filtered": "75.00",
"cost_info": {
"read_cost": "2.27",
"eval_cost": "0.60",
"prefix_cost": "2.87",
"data_read_per_join": "192"
},
"used_columns": [
"filter_id",
"feature_id"
],
"attached_condition": "(((`portal`.`q_product_filters`.`filter_id` in (1,6,3,11)) and (`portal`.`q_product_filters`.`feature_id` in (2,10,7))) and (`portal`.`q_product_filters`.`feature_id` is not null))"
}
},
{
"table": {
"table_name": "q_product_features",
"access_type": "eq_ref",
"possible_keys": [
"PRIMARY"
],
"key": "PRIMARY",
"used_key_parts": [
"feature_id"
],
"key_length": "3",
"ref": [
"portal.q_product_filters.feature_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 0,
"filtered": "30.00",
"cost_info": {
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"eval_cost": "0.18",
"prefix_cost": "3.47",
"data_read_per_join": "388"
},
"used_columns": [
"feature_id",
"feature_type"
],
"attached_condition": "(`portal`.`q_product_features`.`feature_type` in ('N','O','D'))"
}
},
{
"table": {
"table_name": "q_product_features_values",
"access_type": "ref",
"possible_keys": [
"PRIMARY",
"fl",
"lang_code",
"product_id",
"fpl"
],
"key": "fl",
"used_key_parts": [
"feature_id",
"lang_code"
],
"key_length": "9",
"ref": [
"portal.q_product_filters.feature_id",
"const"
],
"rows_examined_per_scan": 1833,
"rows_produced_per_join": 1649,
"filtered": "100.00",
"cost_info": {
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"eval_cost": "329.94",
"prefix_cost": "1983.11",
"data_read_per_join": "1M"
},
"used_columns": [
"feature_id",
"product_id",
"value_int",
"lang_code"
],
"attached_condition": "(`portal`.`q_product_features_values`.`product_id` is not null)"
}
},
{
"table": {
"table_name": "products",
"access_type": "eq_ref",
"possible_keys": [
"PRIMARY",
"status"
],
"key": "PRIMARY",
"used_key_parts": [
"product_id"
],
"key_length": "3",
"ref": [
"portal.q_product_features_values.product_id"
],
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"filtered": "9.31",
"cost_info": {
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"prefix_cost": "2313.05",
"data_read_per_join": "906K"
},
"used_columns": [
"product_id",
"status",
"company_id",
"amount",
"usergroup_ids",
"tracking"
],
"attached_condition": "((`portal`.`products`.`company_id` = 173) and (case `portal`.`products`.`tracking` when 'O' then <cache>((NULL > 0)) when 'B' then (`portal`.`products`.`amount` > 0) else 1 end) and ((`portal`.`products`.`usergroup_ids` = '') or find_in_set(0,`portal`.`products`.`usergroup_ids`) or find_in_set(1,`portal`.`products`.`usergroup_ids`)) and (`portal`.`products`.`status` = 'A'))"
}
},
{
"table": {
"table_name": "products_categories",
"access_type": "ref",
"possible_keys": [
"PRIMARY",
"pt"
],
"key": "pt",
"used_key_parts": [
"product_id"
],
"key_length": "3",
"ref": [
"portal.q_product_features_values.product_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 153,
"filtered": "100.00",
"cost_info": {
"read_cost": "153.60",
"eval_cost": "30.72",
"prefix_cost": "2497.38",
"data_read_per_join": "2K"
},
"used_columns": [
"product_id",
"category_id"
]
}
},
{
"table": {
"table_name": "q_categories",
"access_type": "eq_ref",
"possible_keys": [
"PRIMARY",
"c_status",
"p_category_id"
],
"key": "PRIMARY",
"used_key_parts": [
"category_id"
],
"key_length": "3",
"ref": [
"portal.products_categories.category_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 30,
"filtered": "20.00",
"cost_info": {
"read_cost": "0.00",
"eval_cost": "6.14",
"prefix_cost": "2528.10",
"data_read_per_join": "81K"
},
"used_columns": [
"category_id",
"usergroup_ids",
"status"
],
"attached_condition": "(((`portal`.`q_categories`.`usergroup_ids` = '') or find_in_set(0,`portal`.`q_categories`.`usergroup_ids`) or find_in_set(1,`portal`.`q_categories`.`usergroup_ids`)) and (`portal`.`q_categories`.`status` in ('A','H')))"
}
}
]
}
}
}