退货45.2478
SELECT
CAST(
geography::STPointFromText( 'POINT(-81.2545 44.1244)', 4326 ).Lat + 1.12342342
AS VARCHAR(50)
)
退货4.524782342440000e+001
SELECT
CONVERT(
VARCHAR(50),
geography::STPointFromText( 'POINT(-81.2545 44.1244)' , 4326 ).Lat + 1.1234234244,
2
)
根据此页面上的“截断和舍入结果”部分,看起来 CAST 不应该截断浮点数,但在这种情况下它正在这样做。