There isn't an existing utility that does that. You would have to look up the COLUMN_QUALIFIER for the columns you are interested in from SYSTEM.CATALOG and use then create a Scan.
On Mon, Jan 7, 2019 at 9:22 PM Anil <[email protected]> wrote: > Hi Team, > > Is there any utility to read hbase data using hbase apis which is created > with phoniex with column name encoding ? > > Idea is to use the all performance and disk usage improvements achieved > with phoenix column name encoding feature and use our existing hbase jobs > for our data analysis. > > Thanks, > Anil > > On Tue, 11 Dec 2018 at 14:02, Anil <[email protected]> wrote: > >> Thanks. >> >> On Tue, 11 Dec 2018 at 11:51, Jaanai Zhang <[email protected]> >> wrote: >> >>> The difference since used encode column names that support in 4.10 >>> version(Also see PHOENIX-1598 >>> <https://issues.apache.org/jira/browse/PHOENIX-1598>). >>> You can config COLUMN_ENCODED_BYTES property to keep the original column >>> names in the create table SQL, an example for: >>> >>> create table test( >>> >>> id varchar primary key, >>> >>> col varchar >>> >>> )COLUMN_ENCODED_BYTES =0 ; >>> >>> >>> >>> ---------------------------------------- >>> Jaanai Zhang >>> Best regards! >>> >>> >>> >>> Anil <[email protected]> 于2018年12月11日周二 下午1:24写道: >>> >>>> HI, >>>> >>>> We have upgraded phoenix to Phoenix-4.11.0-cdh5.11.2 from phoenix 4.7. >>>> >>>> Problem - When a table is created in phoenix, underlying hbase column >>>> names and phoenix column names are different. Tables created in 4.7 version >>>> looks good. Looks >>>> >>>> CREATE TABLE TST_TEMP (TID VARCHAR PRIMARY KEY ,PRI VARCHAR,SFLG >>>> VARCHAR,PFLG VARCHAR,SOLTO VARCHAR,BILTO VARCHAR) COMPRESSION = 'SNAPPY'; >>>> >>>> 0: jdbc:phoenix:dq-13.labs.> select TID,PRI,SFLG from TST_TEMP limit 2; >>>> +-------------+------------+-----------+ >>>> | TID | PRI | SFLG | >>>> +-------------+------------+-----------+ >>>> | 0060189122 | 0.00 | | >>>> | 0060298478 | 13390.26 | | >>>> +-------------+------------+-----------+ >>>> >>>> >>>> hbase(main):011:0> scan 'TST_TEMP', {LIMIT => 2} >>>> ROW COLUMN+CELL >>>> 0060189122 column=0:\x00\x00\x00\x00, >>>> timestamp=1544296959236, value=x >>>> 0060189122 column=0:\x80\x0B, >>>> timestamp=1544296959236, value=0.00 >>>> 0060298478 column=0:\x00\x00\x00\x00, >>>> timestamp=1544296959236, value=x >>>> 0060298478 column=0:\x80\x0B, >>>> timestamp=1544296959236, value=13390.26 >>>> >>>> >>>> hbase columns names are completely different than phoenix column names. >>>> This change observed only post up-gradation. all existing tables created in >>>> earlier versions looks good and alter statements to existing tables also >>>> looks good. >>>> >>>> Is there any workaround to avoid this difference? we could not run >>>> hbase mapreduce jobs on hbase tables created by phoenix. Thanks. >>>> >>>> Thanks >>>> >>>> >>>> >>>> >>>> >>>> >>>>
