the JSON String@charactersNCHAR(62),--used to convert hex to decimal@resultBIGINT,--the value of the hex symbol being parsed@indexSMALLINT,--used for parsing the hex value@escapeint;--the index of the next escape character/* in this temporary table we keep all strings, even the names ...
DECLARE @FirstObject INT , --the index of the first open bracket found in the JSON string @OpenDelimiter INT ,--the index of the next open bracket found in the JSON string @NextOpenDelimiter INT ,--the index of subsequent open bracket found in the JSON string @NextCloseDelimiter INT ,-...
case-insensitive 正则表达式规则大小写无关; (2)definitio部分为定义部分,包括引入头文件,变量声明,函数声明,注释等,这部分会被原样拷贝到输出的.c文件中。 (3)rules部分定义词法规则,使用正则表达式定义词法,后面{}内则是扫描到对应词法时的动作代码;“|”是一个特殊符号,表示下一个模式应用相同的动作;正则表达式...
It has always seemed strange to Phil that SQL Server has such complete support for XML, yet is completely devoid of any support for JSON. In the end, he was forced, by a website project, into doing something about it. The result is this article, an iconoclastic romp around the represent...
The JSON path can specify lax or strict mode for parsing. If you don't specify the parsing mode, lax mode is the default. For more info, see JSON Path Expressions (SQL Server).The default value for path is '$'. As a result, if you don't provide a value for path, JSON_QUERY ...
parseJSON ( @JSON NVARCHAR ( MAX )) RETURNS @hierarchy TABLE ( element_id INT IDENTITY ( 1 , 1 ) NOT NULL, /* internal surrogate primary key gives the order of parsing and the list order */ sequenceNo [int] NULL, /* tCREATE FUNCTION dbo.parseJSON( @JSON NVARCHAR(MAX))RETURNS @...
Fragments from the input JSON documents can be stored in the columns containing JSON sub-elements with data types json or nvarchar. This approach increases the load time because JSON parsing is done during load; however, queries match the performance of classic queries on the relational data. ...
In this article, we will discuss the built-in support for importing, exporting, parsing, and querying JSON documents or fragments in SQL Server 2016.
JSON support requiresdatabase compatibility level130 or higher. Here's an example of JSON text: JSON [ {"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...
Extract a value from JSON text by using the JSON_VALUE function Extract an object or an array from JSON text by using the JSON_QUERY function Show 6 more Applies to: SQL Server 2016 (13.x) and later Azure SQL Database Azure SQL Managed Instance ...