Query time 0.00138
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "4.65"
},
"ordering_operation": {
"using_temporary_table": true,
"using_filesort": true,
"cost_info": {
"sort_cost": "0.45"
},
"nested_loop": [
{
"table": {
"table_name": "cscart_ab__category_banners",
"access_type": "ref",
"possible_keys": [
"PRIMARY",
"status"
],
"key": "status",
"used_key_parts": [
"status"
],
"key_length": "3",
"ref": [
"const"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 1,
"filtered": "100.00",
"cost_info": {
"read_cost": "1.00",
"eval_cost": "0.20",
"prefix_cost": "1.20",
"data_read_per_join": "808"
},
"used_columns": [
"category_banner_id",
"status",
"target_blank",
"nofollow",
"repeat",
"position",
"include_subcategories",
"from_date",
"to_date"
],
"attached_condition": "(if(`eshopuga_upgr_4122`.`cscart_ab__category_banners`.`from_date`,(`eshopuga_upgr_4122`.`cscart_ab__category_banners`.`from_date` <= 1733952460),1) and if(`eshopuga_upgr_4122`.`cscart_ab__category_banners`.`to_date`,(`eshopuga_upgr_4122`.`cscart_ab__category_banners`.`to_date` >= 1733952460),1))"
}
},
{
"table": {
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"access_type": "eq_ref",
"possible_keys": [
"PRIMARY",
"banner"
],
"key": "banner",
"used_key_parts": [
"category_banner_id",
"lang_code"
],
"key_length": "9",
"ref": [
"eshopuga_upgr_4122.cscart_ab__category_banners.category_banner_id",
"const"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 0,
"filtered": "50.00",
"index_condition": "(`eshopuga_upgr_4122`.`cscart_ab__category_banner_images_and_descr`.`category_banner_image_id` is not null)",
"cost_info": {
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"eval_cost": "0.10",
"prefix_cost": "2.40",
"data_read_per_join": "776"
},
"used_columns": [
"category_banner_image_id",
"category_banner_id",
"category_banner",
"url",
"lang_code"
]
}
},
{
"table": {
"table_name": "ab__category_banner_categories",
"access_type": "ref",
"possible_keys": [
"PRIMARY"
],
"key": "PRIMARY",
"used_key_parts": [
"category_banner_id"
],
"key_length": "3",
"ref": [
"eshopuga_upgr_4122.cscart_ab__category_banners.category_banner_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 0,
"filtered": "100.00",
"using_index": true,
"cost_info": {
"read_cost": "0.50",
"eval_cost": "0.10",
"prefix_cost": "3.00",
"data_read_per_join": "4"
},
"used_columns": [
"category_banner_id",
"category_id"
],
"attached_condition": "<if>(found_match(ab__category_banner_categories), ((`eshopuga_upgr_4122`.`ab__category_banner_categories`.`category_id` = 358) or (`eshopuga_upgr_4122`.`cscart_ab__category_banners`.`include_subcategories` = 'Y')), true)"
}
},
{
"table": {
"table_name": "ab__category_banner_categories1",
"access_type": "ref",
"possible_keys": [
"PRIMARY"
],
"key": "PRIMARY",
"used_key_parts": [
"category_banner_id"
],
"key_length": "3",
"ref": [
"eshopuga_upgr_4122.cscart_ab__category_banners.category_banner_id"
],
"rows_examined_per_scan": 1,
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"filtered": "100.00",
"using_index": true,
"cost_info": {
"read_cost": "0.50",
"eval_cost": "0.10",
"prefix_cost": "3.60",
"data_read_per_join": "4"
},
"used_columns": [
"category_banner_id",
"category_id"
],
"attached_condition": "<if>(found_match(ab__category_banner_categories1), ((`eshopuga_upgr_4122`.`ab__category_banner_categories`.`category_id` = 358) or ((`eshopuga_upgr_4122`.`ab__category_banner_categories1`.`category_id` in (328,335,358)) and (`eshopuga_upgr_4122`.`cscart_ab__category_banners`.`include_subcategories` = 'Y'))), true)"
}
},
{
"table": {
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"access_type": "ref",
"possible_keys": [
"PRIMARY",
"object_id"
],
"key": "object_id",
"used_key_parts": [
"object_id",
"object_type",
"type"
],
"key_length": "81",
"ref": [
"eshopuga_upgr_4122.cscart_ab__category_banner_images_and_descr.category_banner_image_id",
"const",
"const"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 0,
"filtered": "90.00",
"index_condition": "(`eshopuga_upgr_4122`.`il`.`object_id` = `eshopuga_upgr_4122`.`cscart_ab__category_banner_images_and_descr`.`category_banner_image_id`)",
"cost_info": {
"read_cost": "0.50",
"eval_cost": "0.09",
"prefix_cost": "4.20",
"data_read_per_join": "43"
},
"used_columns": [
"pair_id",
"object_id",
"object_type",
"type"
],
"attached_condition": "(`eshopuga_upgr_4122`.`il`.`pair_id` is not null)"
}
}
]
}
}
}