This example emphasizes the impedance mismatch between a JSONarrayand a SQL array: the former allows values of heterogeneous data types; but the latter allows only values of the same data type—as was used to declare the array. If you have prior knowledge of the convention to which t...
...基于此,随着管道的长度增加,每秒执行的查询数量最开始几乎呈直线型增加,直到不使用pipelining技术的基准的10倍,如下图所示: Some real world code example 不翻译...原因是进程在操作系统中并不是一直运行。真实的情景是系统内核调度,调度到进程运行,它才会运行。比如测试基准benchmark被允许运行,从Redis Ser...
Example: from django.db import connection def test_raw_sql(): dear_api = setup_dear(dear_entity=os.getenv("DEAR_ENTITY")) dear_cached_api = DearCachedAPI(dear_api=dear_api) sql = """ select jdata, jsonb_array_elements(cached_dear_dearcache.jdata#>'{Fulfilments}')->'Pick' as pick...
So, in any interaction with switch-case, a new instance of jsonObj was create. The solution was just make the instance in the last condtion of the switch-case (that works like a state machine), for example: case 20: JsonObject& jsonObj = jsonBuffer.createObject(); ...