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AJ16
Calcite | Level 5

Hello Experts,

 

I'm querying a DB in Hadoop and need to combine the date and time fields within the query itself. I will then use the combined field to join to another Hadoop table but I'm not able to use cast and concat correctly:

 

Data available in DB:

Dt(string): 2024-06-14

Tm (string): 040507669747

 

Output that I'm trying to create:

Dat_time: 20240614040507669747

 

My query:

proc sql;

connect to impala (dsn=abc user="&sysuserid." pw="&password.");

create table abc as (

select id, dt, tm,

concat(cast(date_format(dt,'yyyymmdd') as string), tm) as dat_time  /*I tried creating this from what I've learned so far but it's giving error*/

from DB);

disconnect from impala;

quit;

 

Error: [Cloudera][Impala ODBC (370) Query analysis error occurred during query execution:  [HY000]: AnalysisException: default.date_format() unknown for database default. Currently this db has 0 functions.

 

I'm unable to figure the correct syntax to make this happen. Would appreciate any guidance.

 

Thank you!

2 REPLIES 2
Kurt_Bremser
Super User

What do you get in SAS when you do

libname xx ... /* connection to the DB */;

data abc;
set xx.db;
keep id dt tm;
run;

What types and formats do dt and tm have, and please show some values.

LinusH
Tourmaline | Level 20
Since it sems that you have problems with Hadoop/Impala syntax, it would make sense to reach out to such a forum instead.
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