Hive 常用命令

ALTER TABLE ACCOUNTBALANCESEXTENDED ADD PARTITION (dt='20170612') location '/cdsh/cdsh_processed/ACCOUNTBALANCESEXTENDED/20170612';
SELECT COUNT(*),SUM(CAST('closing_balance' AS DOUBLE)) FROM ACCOUNTBALANCESEXTENDED WHERE dt='20170612';

 show partitions MUREX_CNFOPT_REG_SHIBOR;
SELECT COUNT(*),SUM(CAST(TP_STRIKE AS DOUBLE)) FROM MUREX_CNFOPT_REG_SHIBOR WHERE dt='20170705';

SELECT COUNT(*),SUM(CAST((regexp_replace(closing_balance,',','')) AS DOUBLE)) FROM ACCOUNTBALANCESEXTENDED WHERE dt=20170116;

CREATE EXTERNAL TABLE `MUREX_CNFOPT_REG_SHIBOR`(
`H_REP_DATE` string,
`NB` string,
`H_TRNDTE` string,
`TRN_TYPE` string,
`TP_PFOLIO` string,
`TP_CNTRP` string,
`TP_CNTRPFN` string,
`H_CTRP_TYP` string,
`TP_STRTGY` string,
`H_BS` string,
`H_CP` string,
`TP_NOMINAL` string,
`TP_NOMCUR` string,
`H_OTH_NOM` string,
`H_OTH_CUR` string,
`TP_STRIKE` string,
`MP_SPOT2` string,
`TP_IPAY` string,
`TP_IPAYCUR` string,
`H_DTEEXP` string,
`H_DTEUNDD` string,
`TP_FXBASE` string,
`H_DELTA2` string,
`H_DELTA1` string,
`H_DELTA` string,
`S_GAMMA2` string,
`S_GAMMA1` string,
`H_GAMMA` string,
`S_RHO2` string,
`S_RHO1` string,
`H_RHO` string,
`S_THETA2` string,
`S_THETA1` string,
`H_THETA` string,
`S_VEGA2` string,
`S_VEGA1` string,
`H_VEGA` string)
PARTITIONED BY (
`dt` string)
ROW FORMAT DELIMITED
FIELDS TERMINATED BY 'u0001'
STORED AS INPUTFORMAT
'org.apache.hadoop.mapred.TextInputFormat'
OUTPUTFORMAT
'org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat'
LOCATION
'/cdsh/cdsh_processed/Murex_Cnfopt_Reg_Shibor';