Teradata 如何在READ_NOS中使用path var(类似的东西)
我有一个这样的SQLTeradata 如何在READ_NOS中使用path var(类似的东西),teradata,Teradata,我有一个这样的SQL SELECT payload..* FROM READ_NOS_FM ( ON ( SELECT CAST( NULL AS DATASET STORAGE FORMAT CSV ) ) USING LOCATION('/s3/bigXXXXXX.s3.amazonaws.com/CSVDATA/09380000/2018/06/') RETURNTYPE('NOSREAD_RECORD') PATHPATTERN ('$data/$siteno/$year/$mont
SELECT payload..* FROM READ_NOS_FM (
ON ( SELECT CAST( NULL AS DATASET STORAGE FORMAT CSV ) )
USING
LOCATION('/s3/bigXXXXXX.s3.amazonaws.com/CSVDATA/09380000/2018/06/')
RETURNTYPE('NOSREAD_RECORD')
PATHPATTERN ('$data/$siteno/$year/$month/$day')
) AS D;
结果:
失败,因为无法使用PATHPATTERN(READ\u NOS似乎不支持PATHPATTERN?)
如何在READ_NOS中使用path var(类似的东西)
路径信息在某些情况下很有用。PATHPATTERN仅在外部表中受支持。对于读取编号,只能应用WHERE条件。