Ore.make.Names does not not for Oracle DB connections?

Hi all

I tried using ore.make.names (from the OREbase package) while that connected to an Oracle DB today, and it doesn't seem to work (although it works OK under a hive connection).

I put an example perfectly reproducible here, using Oracle VM BD Lite 4.2.1.

Any idea?

Hey Christos,

Thanks for pointing out the problem with ore.make.names () and spaces.  The current behavior of ore.make.names of store space:

R > ore.make.names ("col 4")

[1] "col 4.

While open source R replaces the space by a period (.):

R > make.names ("col 4")

[1] "col.4.

While R allows spaces to stay in column names after you import a file, they are not easy to handle r after import.

I logged a bug for ore.make.names () replace a space with a point in a later version.

The truncated string, however is the expected behavior.  Oracle database allows 30 length of string for variables,

ore.make.names has the same limit of 30 characters:

From the file of ore.make.names Rd ():

Details:

Creates separate the 'names' argument strings that are more than 30

bytes long using an iterative algorithm involving the call

'make.unique (shorten (names, minlength, strict = TRUE))'

where ' minlength<=>

R > ore.make.names ("abcdefghijklmnopqrstuvwxyz L_A_S_T C.O.L.U.M.N")

[1]"L_A_S_TC. O.L.U.M.Nabcdfghjklmn ".

R > nchar (ore.make.names ("abcdefghijklmnopqrstuvwxyz L_A_S_T C.O.L.U.M.N"))

[1] 30

Kind regards

Sherry

Tags: Business Intelligence

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