subhasisgorai opened a new pull request, #4003:
URL: https://github.com/apache/hive/pull/4003
### What changes were proposed in this pull request?
While performing a REPL LOAD, the source and target database names are made
mandatory.
### Why are the changes needed?
The standard REPL LOAD syntax is,
`repl load src into tgt with ( <config properties (if any) >);`
But in some cases, users are using the REPL LOAD command incorrectly. It
does not really throw any meaningful error/warning message, and as expected it
does not replicate the database as well.
For example,
`repl load target_db with
('hive.repl.rootdir'='hdfs://c3649-node2.coelab.cloudera.com:8020/user/hive/repl',
'hive.repl.include.external.tables'= 'true',
'hive.repl.replica.external.table.base.dir'='hdfs://c3649node2.coelab.cloudera.com:8020/warehouse/tablespace/external/hive/target_db.db')
`
The above command does not follow the REPL LOAD syntax. This does not
produce any error message, nor it replicates the database. So, it causes
confusion.
### Does this PR introduce _any_ user-facing change?
No, it's more of a validation for the correct REPL LOAD usage.
### How was this patch tested?
Tested manually, and also updated the automated tests to reflect this.
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