[英]T-SQL Char index patindex
Does anyone have script that can pull out data held in the columns to split out the servernames in to their own columns?有没有人有脚本可以提取列中保存的数据以将服务器名称拆分到他们自己的列中?
| ID| Servers
|:-:|---------------------------------------------------------------------------------
| 1 | {"Name":"SQL-Vlfflk43E"}
| 2 | {"Name":"SQL-VgflkglkdA"},{"Name":"SQL-VCkfkjgitrE"},{"Name":"SQL-;bv;b;b"},{"Name":"SQL-kkkbdddb"}
| 3 | {"Name":"SQL-VgkgkgA"},{"Name":"SQL-VfkgkjygtbB"},{"Name":"SQL-lglg"}
| 4 | {"Name":"SQL-VotoevB"},{"Name":"SQL-VCfkjfkjrtrE"},{"Name":"SQL-lglkgl"}
| 5 | {"Name":"SQL-VblgltotA"},{"Name":"SQL-VCfkfkgE"},{"Name":"SQL-lkgkjgkg"}
| 6 | {"Name":"SQL-VCggkgkg"}
So ID 1 & 2 would become like the below?那么 ID 1 & 2 会变成下面这样吗? I know
char
& patindex
can help just struggling to get my head around it.我知道
char
和patindex
可以帮助我努力解决它。
| ID| Text | Server1 | Server2 | Server3 | Server4
| 1 | {"Name":"SQL-Vlfflk43E"} |SQL-Vlfflk43E |null |null | null
| 2 | {"Name":"SQL-VgflkglkdA"},{"Name":"SQL-VCkfkjgitrE"},{"Name":"SQL-kkkbvb;b"},{"Name":"SQL-kkkbdddb"}|SQL-VgflkglkdA|SQL-VCkfkjgitrE|SQL-kkkbvb | SQL-kkkbdddb
You may transform the stored data into a valid JSON array and parse it with JSON_VALUE()
:您可以将存储的数据转换为有效的 JSON 数组并使用
JSON_VALUE()
对其进行解析:
SELECT
ID,
Server1 = JSON_VALUE(CONCAT('[', Servers, ']'), '$[0].Name'),
Server2 = JSON_VALUE(CONCAT('[', Servers, ']'), '$[1].Name'),
Server3 = JSON_VALUE(CONCAT('[', Servers, ']'), '$[2].Name'),
Server4 = JSON_VALUE(CONCAT('[', Servers, ']'), '$[3].Name')
FROM (VALUES
(1, '{"Name":"SQL-Vlfflk43E"}'),
(2, '{"Name":"SQL-VgflkglkdA"},{"Name":"SQL-VCkfkjgitrE"},{"Name":"SQL-;bv;b;b"},{"Name":"SQL-kkkbdddb"}'),
(3, '{"Name":"SQL-VgkgkgA"},{"Name":"SQL-VfkgkjygtbB"},{"Name":"SQL-lglg"}'),
(4, '{"Name":"SQL-VotoevB"},{"Name":"SQL-VCfkjfkjrtrE"},{"Name":"SQL-lglkgl"}'),
(5, '{"Name":"SQL-VblgltotA"},{"Name":"SQL-VCfkfkgE"},{"Name":"SQL-lkgkjgkg"}'),
(6, '{"Name":"SQL-VCggkgkg"}')
) v (ID, Servers)
Result:结果:
ID Server1 Server2 Server3 Server4
-------------------------------------------------------------
1 SQL-Vlfflk43E
2 SQL-VgflkglkdA SQL-VCkfkjgitrE SQL-;bv;b;b SQL-kkkbdddb
3 SQL-VgkgkgA SQL-VfkgkjygtbB SQL-lglg
4 SQL-VotoevB SQL-VCfkjfkjrtrE SQL-lglkgl
5 SQL-VblgltotA SQL-VCfkfkgE SQL-lkgkjgkg
6 SQL-VCggkgkg
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