定义变量,无效标识符。欧氏距离
defining variable, invalid identifier. Euclidean Distance
oracle 一直拒绝我尝试在 with 子句中调用经度的任何内容。
WITH params as (
SELECT -28 as lat, 151 as lon
FROM dual
)
SELECT sighting_id
FROM sightings
ORDER BY sqrt(power(lat - latitude, 2) + power(lon - longitude, 2));
您在 WITH 中定义参数,但从未在 FROM 中引用它。
WITH params as (
SELECT -28 as lat, 151 as lon
FROM dual
)
SELECT sighting_id
FROM sightings CROSS JOIN params
ORDER BY sqrt(power(lat - latitude, 2) + power(lon - longitude, 2));
oracle 一直拒绝我尝试在 with 子句中调用经度的任何内容。
WITH params as (
SELECT -28 as lat, 151 as lon
FROM dual
)
SELECT sighting_id
FROM sightings
ORDER BY sqrt(power(lat - latitude, 2) + power(lon - longitude, 2));
您在 WITH 中定义参数,但从未在 FROM 中引用它。
WITH params as (
SELECT -28 as lat, 151 as lon
FROM dual
)
SELECT sighting_id
FROM sightings CROSS JOIN params
ORDER BY sqrt(power(lat - latitude, 2) + power(lon - longitude, 2));