I am not a 100% sure but looks like it means that do not overwrite the table/partition if it exists which is kinda of weird since we already provide "OVERWRITE" in the query.
On Mon, Mar 27, 2017 at 8:40 AM, Eugene Koifman <ekoif...@hortonworks.com> wrote: > Hi, > According to https://cwiki.apache.org/confluence/display/Hive/ > LanguageManual+DML#LanguageManualDML-Syntax.1 we support > INSERT OVERWRITE TABLE tablename1 [PARTITION (partcol1=val1, partcol2=val2 > ...) [IF NOT EXISTS]] select_statement1 FROM from_statement; > > > What might the intent of IF NOT EXISTS be here? > > Thanks > Eugene >
