* | select a, count(1) from log, unnest( cast( json_parse(array_column) as array(bigint) ) ) as t(a) group by a 遍历Map 遍历Map中的元素 * | select map_column , a,b from log, unnest( cast( json_parse(map_column) as map(
* toPrint:[JsonObjectVO(uuid=aebd390d-f543-4410-9c3a-98f2cb057757, name=1), JsonObjectVO(uuid=d170bb12-7570-47dd-8f2d-9ec2df5573c5, name=2)] * */ List<JsonObjectVO> aList = JSONObject.parseArray(JSONObject.toJSONString(data),JsonObjectVO.class); /** * 4、将String对象转化...
IFSUBSTRING(@json,@nextopendelimiter,1)='{'SELECT@nextclosedelimiterChar='}',@type='object';ELSESELECT@nextclosedelimiterChar=']',@type='array';SET@opendelimiter=@nextopendelimiter;END/* and parse out the list or name/value pairs */SET@contents=SUBSTRING(@json,@opendelimiter+1,@nextclosed...
bracket found in the JSON string@TypeNVARCHAR(10),--whether it denotes an object or an array@NextCloseDelimiterCharCHAR(1),--either a '}' or a ']'@ContentsNVARCHAR(MAX),--the unparsed contents of the bracketed expression@StartINT,--index of the start of the token that you are parsing...
IF SUBSTRING(@json, @NextOpenDelimiter, 1)='{'SELECT @NextCloseDelimiterChar='}', @type='object'ELSESELECT @NextCloseDelimiterChar=']', @type='array'SELECT @OpenDelimiter=@NextOpenDelimiterEND---and parse out the list or name/value pairsSELECT@contents=SUBSTRING(@json, @OpenDelimiter+1,@...
sqlparse是一个Python库,用于解析和操作SQL语句。它可以帮助开发人员对SQL查询进行解析和处理。在本问题中,你想要使用sqlparse提取SQL查询语句中的where子句的JSON表示。 首先,你需要安装sqlparse库。可以通过以下命令使用pip进行安装: 代码语言:txt 复制 pip install sqlparse ...
Is an optional JSON path expression that references an object or an array within jsonExpression. OPENJSON seeks into the JSON text at the specified position and parses only the referenced fragment. For more info, see JSON Path Expressions (SQL Server). In SQL Server 2017 (14.x) and in Azu...
JSON_QUERYExtracts an object or an array from a JSON string. JSON_VALUEExtracts a scalar value from a JSON string. OPENJSONParses JSON text and returns objects and properties from the JSON input as rows and columns. For more info about the built-in support for JSON in SQL Server, seeJSON...
JSON Copy [ { "name": "John", "skills": [ "SQL", "C#", "Azure" ] }, { "name": "Jane", "surname": "Doe" } ] By using SQL Server built-in functions and operators, you can do the following things with JSON text: Parse JSON text and read or modify values. Transform ar...
This function returns and formats the elements of a JSON array.For each element in the JSON array, OPENJSON generates a new row in the output table. The two elements in the JSON array are converted into two rows in the returned table. For each column, specified by usin...