我有以下SQL查询,它在MySQL中运行良好:我正在努力将它从MySQL转换到PostgreSQL,但到目前为止还失败了……这是我到目前为止所知道的:
SELECT floor(DATEDIFF(u.created_at, NOW()) / 1) AS days_agofunction datediff(timestamp without t
我使用了以下查询,用于生成mysql表中没有的随机值。SELECT FLOOR( RAND()*1000 + 50 ) AS temp FROM tempcode WHERE 'temp' NOT IN ( SELECT code FROM tempcodeSELECT FLOOR( RAND()*1000 + 50 ) AS temp FROM tempcode WHERE 'temp' NOT IN ( SELECT code FROM tempcode有什么建议可以生成<e
下面的选择要求:
CASE WHEN psg_postingtransactions.[AMOUNT] != 0 THEN CAST(REPLACE(REPLACE(REPLICATE('0',12-LEN(RTRIM(psg_postingtransactions [AMOUNT])))+RTRIM(psg_postingtransactions.[AMOUNT]),'
我有一个复杂的sql查询,如下所示,我使用它从MySQL脚本访问python db。timestamp = t2.timestamp)) m1
ON (d.MILO = m1.location) order by t1.vavId""" 我在上面的查询中得到一个错误,它说 mysql.connector.errors.ProgrammingError: 1055 (42000): Expression #3 of SELECT list is not i