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Is there a way to add a constant value dynamically to all records returned in Hive?


Is there a way to add a constant value dynamically to all records returned in Hive?

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Is there a way to add a constant value dynamically to all records returned in Hive?
Tag : sql , By : alexmajy
Date : November 23 2020, 03:01 PM

I wish this help you I want to do the following query in Hive v1.2.1, where field_3 is queried from another table. , You can join the output from another table..
select user_id, start_date, b.field_3 as stop_date FROM 
some_table a,
( select max(some_field) as field_3 
from another_table ) b;

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Dynamically modify values in data.table in R but getting only single constant value returned


Tag : r , By : rhyhann
Date : March 29 2020, 07:55 AM
I wish did fix the issue. You are doing it very inefficiently. This is not how you should work with data.table.
Here's one efficient way to solve this (there are probably more efficient ways)
setkey(TableB[, indx := as.Date(ISOdate(ColBD, ColBC, ColBB))], indx)
setkey(TableA[, indx := as.Date(ColC)], indx)
TableA[TableB, ColA := ColBA][, indx := NULL][]
#     ColA ColB                ColC
#  1:  600   93 2012-12-14 23:45:00
#  2:  600   93 2012-12-14 23:45:00
#  3:  600   93 2012-12-14 23:45:00
#  4:  600   93 2012-12-14 23:45:00
#  5:  600   93 2012-12-14 23:45:00
#  6:  601   93 2012-12-15 23:45:00
#  7:  601   93 2012-12-15 23:45:00
#  8:  601   93 2012-12-15 23:45:00
#  9:  601   93 2012-12-15 23:45:00
# 10:  601   93 2012-12-15 23:45:00
setkey(TableB[, indx := as.Date(ISOdate(ColBD, ColBC, ColBB))], indx)
setkey(TableA[, `:=`(indx = as.Date(ColC), order = .I)], indx)
setorder(TableA[TableB, ColA := ColBA], order)[, `:=`(indx = NULL, order = NULL)][]
#     ColA ColB                ColC
#  1:  600   93 2012-12-14 23:45:00
#  2:  601   93 2012-12-15 23:45:00
#  3:  600   93 2012-12-14 23:45:00
#  4:  601   93 2012-12-15 23:45:00
#  5:  600   93 2012-12-14 23:45:00
#  6:  601   93 2012-12-15 23:45:00
#  7:  600   93 2012-12-14 23:45:00
#  8:  601   93 2012-12-15 23:45:00
#  9:  600   93 2012-12-14 23:45:00
# 10:  601   93 2012-12-15 23:45:00

How to define a constant record containing other constant records in Delphi? Specific case: matrix using vectors


Tag : delphi , By : Thierry Brunet
Date : March 29 2020, 07:55 AM
Does that help That's not possible. In a constant record declaration, the member values must be constant expressions. That is, you cannot use typed constants as you have attempted to do.
The documentation says it like this, with my emphasis:
const
  identity: TMatrix3D = (Index:
    ((x: 1; y: 0; z: 0),
     (x: 0; y: 1; z: 0),
     (x: 0; y: 0; z: 1))
    );

Query returned non-zero code: 1, cause: hive configuration hive.root.logger does not exists


Tag : hadoop , By : Adam Hill
Date : March 29 2020, 07:55 AM
This might help you The problem was a file in ~/.hiverc with this command: SET hive.root.logget=DEBUG. Remove that line, and Hive runs without a problem.

Dynamically create multiple DataTables based on number of records returned from SQL query in C#?


Tag : chash , By : fedorafennec
Date : March 29 2020, 07:55 AM

Why can a volatile type be constant when returned by a constant functions?


Tag : cpp , By : nd27182
Date : March 29 2020, 07:55 AM
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