Query is invalid
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "812.70"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "184.50"
},
"nested_loop": [
{
"table": {
"table_name": "sd",
"access_type": "ALL",
"possible_keys": [
"section"
],
"rows_examined_per_scan": 1949,
"rows_produced_per_join": 184,
"filtered": "9.47",
"cost_info": {
"read_cost": "369.90",
"eval_cost": "36.90",
"prefix_cost": "406.80",
"data_read_per_join": "1M"
},
"used_columns": [
"param_id",
"param",
"param_2",
"param_3",
"param_4",
"param_5",
"class",
"section",
"status",
"position",
"parent_id",
"id_path",
"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": "((`webmarco`.`sd`.`section` = 'A') and (`webmarco`.`sd`.`status` = 'A') and (`webmarco`.`sd`.`param_5` = '2'))"
}
},
{
"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": [
"webmarco.sd.param_id",
"const"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 184,
"filtered": "100.00",
"cost_info": {
"read_cost": "184.50",
"eval_cost": "36.90",
"prefix_cost": "628.20",
"data_read_per_join": "253K"
},
"used_columns": [
"param_id",
"lang_code",
"descr",
"abt__ut2_mwi__desc",
"abt__ut2_mwi__text",
"abt__ut2_mwi__label"
]
}
}
]
}
}
}