postgresql - TypeORM:如何在 PostgresSQL 中搜索一段日期范围?
考虑一个 ISO8601 日期,并且想使用 Typeorm 和 PostgreSQL 进行查询
if (orderInput.begining && orderInput.ending)
query.andWhere(`order.createdAt
BETWEEN to_timestamp(${orderInput.begining} / 1000 )
AND to_timestamp(${orderInput.ending} / 1000 );
`);
这些是我的参数:"2010-12-24T21:32:33.477Z" "2019-12-24T21:32:33.477Z",这是底层查询和错误:
query failed: SELECT DISTINCT "distinctAlias"."order_id" as "ids_order_id" FROM (SELECT "order"."id" AS "order_id", "order"."createdAt" AS "order_createdAt"
FROM "order" "order" INNER JOIN "ware" "ware" ON "ware"."id"="order"."wareId" WHERE "order"."organizationId" = $1 AND "order"."createdAt"
BETWEEN Wed Dec 25 2019 01:02:33 GMT+0330 (Iran Standard Time)
AND Wed Dec 25 2019 01:02:33 GMT+0330 (Iran Standard Time) ;) "distinctAlias" ORDER BY "order_id" ASC LIMIT 25 -- PARAMETERS: ["8fd87ced-eb58-4460-b74e-d5a2b1491622"]
error: { error: syntax error at or near "Dec"
我猜是因为参数没有被用 ' '(引号)包裹。我不知道如何将参数作为标准的 ISO8606 Date(TypeScript)传递给 TypeScript,并用 ' '(引号)包裹,然后再传递给 PostgreSQL
答案#1
截至目前(2021-05-26)我使用 TypeORM 的 Between(文档)的方法如下:
const orders = await this.orderRepo.find({
where: {
createdAt: Between(
new Date(orderInput.begining).toISOString(),
new Date(orderInput.ending)).toISOString(),
),
},
skip: skip || 0,
take: take || 10,
});
答案#2
Typescript 和 PostgreSQL 都熟悉 ISO8601,并且不需要对 PostgreSQL 使用 to_timestamp()。所以这像魔法一样工作:
if (orderInput.begining && orderInput.ending)
query.andWhere(
`"order"."createdAt"
BETWEEN :begin
AND :end`
,{ begin: orderInput.begining, end: orderInput.ending);
注意:在 JavaScript 中,你可以用这种方式轻松创建 ISO8601 标准的日期:
const date = new Date(2020,2,2)
const iso = date.toISOString()
