CREATE FOREIGN TABLE文
CREATE FOREIGN TABLE riverflow_parquet USING ( LOCATION ('/s3/td-usgs-public.s3.amazonaws.com/PARQUETDATA/') );
SHOW TABLE文
次を実行します。
SHOW TABLE riverflow_parquet;
結果:
CREATE MULTISET FOREIGN TABLE NOS_USR.riverflow_parquet ,FALLBACK , MAP = TD_MAP1 ( Location VARCHAR(2048) CHARACTER SET UNICODE CASESPECIFIC, GageHeight2 FLOAT, Flow FLOAT, site_no BIGINT, datetime VARCHAR(16) CHARACTER SET UNICODE NOT CASESPECIFIC, Precipitation FLOAT, GageHeight FLOAT) USING ( LOCATION ('/s3/td-usgs-public.s3.amazonaws.com/PARQUETDATA/') MANIFEST ('FALSE') PATHPATTERN ('$var1/$var2/$var3/$var4/$var5') STOREDAS ('PARQUET') ) NO PRIMARY INDEX PARTITION BY COLUMN ADD 65525;