Query is invalid
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "36.19"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "13.70"
},
"nested_loop": [
{
"table": {
"table_name": "sd",
"access_type": "ALL",
"possible_keys": [
"section"
],
"rows_examined_per_scan": 160,
"rows_produced_per_join": 13,
"filtered": "8.56",
"cost_info": {
"read_cost": "16.33",
"eval_cost": "1.37",
"prefix_cost": "17.70",
"data_read_per_join": "102K"
},
"used_columns": [
"param_id",
"param",
"param_2",
"param_3",
"param_4",
"param_5",
"class",
"section",
"status",
"position",
"parent_id",
"id_path",
"ab__fn_menu_status",
"ab__fn_label_color",
"ab__fn_label_background",
"ab__fn_use_origin_image",
"abt__ut2_mwi__status",
"abt__ut2_mwi__text_position",
"abt__ut2_mwi__dropdown",
"abt__ut2_mwi__label_color",
"abt__ut2_mwi__label_background",
"param_6"
],
"attached_condition": "((`s2cart`.`sd`.`section` = 'A') and (`s2cart`.`sd`.`status` = 'A') and (`s2cart`.`sd`.`param_5` = '6'))"
}
},
{
"table": {
"table_name": "cscart_static_data_descriptions",
"access_type": "eq_ref",
"possible_keys": [
"PRIMARY"
],
"key": "PRIMARY",
"used_key_parts": [
"param_id",
"lang_code"
],
"key_length": "9",
"ref": [
"s2cart.sd.param_id",
"const"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 13,
"filtered": "100.00",
"cost_info": {
"read_cost": "3.43",
"eval_cost": "1.37",
"prefix_cost": "22.49",
"data_read_per_join": "18K"
},
"used_columns": [
"param_id",
"lang_code",
"descr",
"ab__fn_label_text",
"ab__fn_label_show",
"abt__ut2_mwi__desc",
"abt__ut2_mwi__text",
"abt__ut2_mwi__label"
]
}
}
]
}
}
}