[英]Querying JSONB having array elements in Postgres
我有一个名为settings
的表,其中包含program_id(number), client_id(number), filters(Jsonb)
列,filters 列具有这种格式的 jsonb 数据-
{
"sources": [
{
"conditions": [
{
"value": [
{
"id": 1211,
"name": "ABM BETA INVITE LIST",
"isSelected": true
}
],
"condition": "one of the following"
}
],
"objectType": "SmartLists",
"subscriptionId": 1173,
"integrationType": "mkto"
}
],
"listType": "All Accounts",
"programId": 30203,
"noOfAccounts": null,
"expiryDuration": 0,
"subscriptionId": null,
"updateFrequency": null
}
我现在想从filters.sources[0].integrationType = 'mkto'
表设置中检索所有记录。 我试过这个查询但是给我错误的设置返回函数不允许在 WHERE-
select * from settings where (jsonb_array_elements(filters -> 'sources') ->> 'integrationType' = 'mkto');
我现在想从
filters.sources[0].integrationType = 'mkto'
表设置中检索所有记录。
使用#>>
运算符:
SELECT *
FROM settings
WHERE filters #>> '{sources, 0, integrationType}' = 'mkto';
filters #>> '{sources, 0, integrationType}'
与:
filters -> 'sources' -> 0 ->> 'integrationType'
filters['sources'][0]['integrationType'] #>> '{}' -- for Postgres 14+
但是你真的只想看第一个数组元素吗?
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