解析SQL Server 2017中的JSON（Clearbit API调用）
问题描述：
我通过Clearbit提供程序通过API调用将一些数据拉入本地服务器上的数据库。关于使用SQL Server 2017解析数据的一切都是确定的，直到我遇到困难。解析SQL Server 2017中的JSON（Clearbit API调用）
我会直接进行示例以便于理解。
这是一个API调用输出的JSON的例子
{
"id": "384dfe0d-5bba-445e-a390-2d946dc84a12",
"name": "Honeywell",
"legalName": "Honeywell International Inc",
"domain": "honeywell.com",
"domainAliases": [
"honeywell.at",
"honeywell.it",
"evohome.info",
"wifithermostat.com",
"emsaviation.com",
"mytotalconnect.com",
"honeywell.nl",
"honeywell.co.za",
"honeywell.com.au",
"honeywell.ca",
"alliedsignal.com",
"emsdss.com",
"primusepic.com",
"alarmnet-me.com",
"lebow.com",
"honeywell.ie",
"honeywell.jp",
"honeywell.com.br",
"trendcontrol.co.uk",
"honeywellforjaguar.co.uk",
"aviaso.com",
"skyforce.co.uk",
"newenglandinstruments.com",
"honeywell.fi",
"alarmnet.com",
"skyconnect.com",
"skyforceuk.com",
"securitex.com",
"missionready.com",
"honeywellaerospace.com",
"formation.com",
"aclon.com",
"electrocorp.com",
"ultrak.com",
"satcom1.com",
"hsmpats.com",
"myaerospace.com",
"emsglobaltracking.com",
"fascocontrols.com",
"honeywellnow.com",
"bendixbrakes.com",
"elmwoodsensors.com",
"ovationselect.com",
"honeywellbusinessaviation.com",
"iflyaspire.com",
"btrinc.com",
"honeywellspecialtymaterials.com",
"magneticsensors.com",
"activeye.com",
"egarrett.com",
"novar-eds.com",
"aviaso.co.uk",
"chadwick-helmuth.com",
"datainstruments.com",
"lebowproducts.com",
"honeywell-produktkatalog.de",
"honeywellforjaguar.com",
"hobbs-corp.com",
"emsgt.com",
"honeywellaes.com",
"honeywellbuildingsolutions.com",
"satcom1.aero",
"honeywell-building-solutions.de",
"lifesafetydistribution.com",
"godirect.com",
"garrettbulletin.com",
"yourhomeexpert.com",
"aerospacetrading.com",
"sensorsystems.com",
"wifithermostat.info",
"honeywell-fachseminare.de",
"hobbscorporation.com",
"kcl.hu",
"honeywell.sk",
"esser.info",
"inertialsensor.com",
"sensotec.com",
"notifier.com",
"honeywellgreer.com",
"smartact.de",
"honeywellfire.com",
"iris-systems.com",
"honeywell.ru",
"lxei.com",
"thermalswitch.com",
"hightempsolutions.com",
"aubetech.com",
"honeywell-haustechnik.de",
"careersathoneywell.com",
"garrettbyhoneywell.com",
"honeywell.in",
"honeywell.cn",
"honeywell.com.mx",
"kcp.com",
"satamatics.com",
"myflite.com"
],
"site": {
"title": "Honeywell",
"h1": null,
"metaDescription": " We are blending products with software solutions to link people and businesses to the information they need to be more efficient, safer and connected. ",
"metaAuthor": null,
"phoneNumbers": [
"+1 877-271-8620",
"+1 800-633-3991",
"+1 877-841-2840",
"+1 480-353-3020",
"+1 973-455-3388",
"+1 973-204-9621",
"+32 2 728 20 45",
"+32 476 20 90 19",
"+44 7794 007289",
"+86 21 2219 6509"
],
"emailAddresses": [
"[email protected]",
"[email protected]",
"[email protected]",
"[email protected]",
"[email protected]",
"[email protected]",
"[email protected]",
"[email protected]",
"[email protected]",
"[email protected]",
"[email protected]"
]
},
"category": {
"sector": "Consumer Discretionary",
"industryGroup": "Automobiles & Components",
"industry": "Automotive",
"subIndustry": "Automotive",
"sicCode": "3714",
"naicsCode": null
},
"tags": [
"Automotive",
"Enterprise",
"B2B",
"Electrical"
],
"description": " We are blending products with software solutions to link people and businesses to the information they need to be more efficient, safer and connected. ",
"foundedYear": 1936,
"location": "115 Tabor Rd, Morris Plains, NJ 07950, USA",
"timeZone": "America/New_York",
"utcOffset": -4,
"geo": {
"streetNumber": "115",
"streetName": "Tabor Road",
"subPremise": null,
"city": "Morris Plains",
"postalCode": "07950",
"state": "New Jersey",
"stateCode": "NJ",
"country": "United States",
"countryCode": "US",
"lat": 40.8358456,
"lng": -74.4771042
},
"logo": "https://logo.clearbit.com/honeywell.com",
"facebook": {
"handle": "293855263965203",
"likes": null
},
"linkedin": {
"handle": "company/honeywell"
},
"twitter": {
"handle": "HoneywellNow",
"id": "257492733",
"bio": "Please visit us over at @Honeywell.",
"followers": 2322,
"following": 1,
"location": "Morris Plains, NJ",
"site": "https:",
"avatar":
},
"crunchbase": {
"handle": "organization/honeywell"
},
"emailProvider": false,
"type": "public",
"ticker": "HON",
"phone": "+1 973-455-2000",
"metrics": {
"alexaUsRank": 6045,
"alexaGlobalRank": 18053,
"googleRank": null,
"employees": 51779,
"employeesRange": "1000+",
"marketCap": 102920000000,
"raised": null,
"annualRevenue": 39302000000,
"fiscalYearEnd": 12
},
"indexedAt": "2017-07-11T23:00:41.115Z",
"tech": [
"crazy_egg",
"google_analytics",
"google_tag_manager",
"asp_net",
"mouseflow",
"marketo",
"go_squared",
"microsoft_exchange_online",
"outlook",
"recaptcha"
],
"parent": {
"domain": null
},
"similarDomains": [
"abb-livingspace.com",
"alerton.com",
"gereports.com",
"honeywellprocess.com",
"honeywelluk.com",
"johnsoncontrols.com",
"jpinstruments.com",
"lenel.com",
"maxitrol.com",
"nucalgon.com",
"schneider-electric.us",
"siemens.com"
]
}
如果你看一下例子在这里你会看到"domainAliases": [...] 那就是JSON的一部分，我仍然需要解析。
这是SQL解析查询我已经有了：
SELECT *
, JSON_VALUE(JSONData,'$.name') AS CompanyName
, JSON_VALUE(JSONData,'$.category.sector') AS CategorySector
, JSON_VALUE(JSONData, '$.category.industryGroup') AS CategoryIndustryGroup
, JSON_VALUE(JSONData, '$.category.industry') AS CategoryIndustry
, JSON_VALUE(JSONData, '$.category.subIndustry') AS CategorySubIndustry
, JSON_VALUE(JSONData, '$.category.sicCode') AS CategorySicCode
, JSON_VALUE(JSONData, '$.category.naicsCode') AS CategoryNaicsCode
, JSON_VALUE(JSONData, '$.metrics.employees') AS EmployeesNumber
, JSON_VALUE(JSONData, '$.metrics.employeesRange') AS EmployeesRange
, JSON_VALUE(JSONData, '$.metrics.marketCap') AS MarketCap
, JSON_VALUE(JSONData, '$.metrics.annualRevenue') AS AnnualRevenue
, JSON_VALUE(JSONData, '$.similarDomains') AS SimilarDomains
FROM Domains;
我想这个数据（“domainAliases”）被存储在其他表作为在上查询的数据（我知道我已经拥有的解析查询只有一个SELECT查询，但我也有查询的UPDATE版本）。
下面是一张新表中相同数据库应该看起来如何完成产品的示例图。左边一栏叫做Company Name，第2列被称为Domain Aliases：
现在WHERE是JSON数据存储在哪里？我将它存储在一个名为JSONData的列中，表名为：Domains，所有这些都存储在名为Domainbank的数据库中。 JSONData数据类型为nvarchar(max)。
我需要将数据按公司名称分组，并且在公司名称旁边应该有别名域，就像图片示例所示。现在请记住，我将运行此查询10k + JSONData s，即将创建的新表将会超级巨大，但只要它们都按公司名称分组，并且所有别名域都应该是好的。某些JSONData s没有以正确的格式返回API调用，因为它们要么没有找到数据，要么发生其他错误，所以如果查询没有找到"domainAliases": [...]下的任何东西，或者它甚至没有找到"domainAliases": [...]那么我不需要公司出现在新桌子上。
如此短暂回顾一下：让我们做一个新表（我们称之为AliasDomains），发现"domainAliases": [...]下的数据也拉动了公司的名字在JSON_VALUE(JSONData,'$.name') AS CompanyName，存储在新表中的数据作为画面例如在后高再由CompanyName组。
答
所以，从你的帖子我不完全清楚你的问题是什么，但我认为这是如何写一些SQL语句来完成上述？
首先，我会说你不应该在插入，做GROUP BY当从表中检索数据。
说了这么多，你可以很容易地从Domains表完成你想要的一个SELECT连同CROSS APPLY OPENJSON声明，就像这样：
INSERT INTO AliasDomains(CompanyName, DomainAliases)
SELECT JSON_VALUE(JSONData, '$.name'), value
FROM Domains
CROSS APPLY OPENJSON (JSONData, '$.domainAliases')
编辑：也许应该补充一点value在上面语句从OPENJSON返回，例如它引用您想要的路径（在此例中为domainAliases）的值。
希望这有助于？
Niels
感谢您的回答，它工作得很好:) – Vissow