postgresql - 将 POINT 插入 postgres 数据库

Question

我需要在 postgres 数据库中插入/更新点列类型。

我正在使用 node-postgres

使用 POSTGRES 管理面板生成的脚本将更新查询显示为

UPDATE public.places SET id=?, user_id=?, business_name=?, alternate_name=?, primary_category=?, categories=?, description=?, address=?, city=?, state=?, country=?, zip=?, point WHERE <condition>;

如何从纬度和经度获取点？

我已经看到几个使用 POSTGIS 的答案，但无法使其正常工作。

在 POSTGRES ( https://www.postgresql.org/docs/9.2/static/xfunc-sql.html ) 的文档中提到我们可以使用 point '(2,1)' , 但这不适用于 pg 查询。

我现在拥有的:

var config = {
  user: 'postgres',
  database: 'PGDATABASE',
  password: 'PGPASSWORD!',
  host: 'localhost',
  port: 5432,
  max: 10,
  idleTimeoutMillis: 30000
};

更新部分:

app.post('/updatePlaces', function(req, res, next) {
    console.log("Update");
    console.log(req.body.places);
    pool.query('UPDATE places SET address = $1, alternate_name = $2, business_name = $3, categories = $4, city = $5, country = $6, description = $7, point = $8, primary_category = $9, state = $10, zip = $11', [req.body.places.address, req.body.places.alternate_name, req.body.places.business_name, req.body.places.categories, req.body.places.city, req.body.places.country, req.body.places.description, (req.body.places.point.x, req.body.places.point.y), req.body.places.primary_category, req.body.places.state, req.body.places.zip], function(err, result) {
      if(err) {
          console.log(err);
          return err;
      }

      res.send(result.rows[0]);
    });
});

尝试了很多不同的方法来传递点:

1. (req.body.places.point.x, req.body.places.point.y)
2. 点(req.body.places.point.x, req.body.places.point.y)
3. 点'(2,1)'

以上都抛出错误。我需要使用 POSTGIS 吗？

Answer 1

如果您“直接”编写 SQL，这会起作用:

CREATE TEMP TABLE x(p point) ;
INSERT INTO x VALUES ('(1,2)');
INSERT INTO x VALUES (point(3, 4));
SELECT * FROM x ;

结果

(1,2)
(3,4)