On 17 November 2015 at 16:10, Killian Driscoll <killiandrisc...@gmail.com> wrote:
> I have a view with 15 columns and want to create another view based on a > join with another table with 15 columns that includes three columns that > reference one lookup table. > > If I use the the below sql I get the error "column "macro_lookup_id" > specified more than once". I have read that I can rename the columns (I > renamed the tables as ml1, ml2, ml3) but can't figure out how to do this > but also use the select * to avoid writing out all rest of the column names. > > CREATE OR REPLACE VIEW sample_macro AS > SELECT * > FROM sample > LEFT JOIN macroscopic ON query_srpnt_sample.samp_id = macroscopic.sample_id > LEFT JOIN macro_lookup AS ml1 ON ml1.macro_lookup_id = macroscopic.grain_id > LEFT JOIN macro_lookup AS ml2 ON ml2.macro_lookup_id = > macroscopic.lustre_id > LEFT JOIN macro_lookup AS ml3 ON ml3.macro_lookup_id = > macroscopic.translucency_id > WHERE samp_id is not null; > In abbreviating the names for the post I just realised I confused the names; it should have read. CREATE OR REPLACE VIEW sample_macro AS SELECT * FROM query_srpnt_sample LEFT JOIN macroscopic ON query_srpnt_sample.samp_id = macroscopic.sample_id LEFT JOIN macro_lookup AS ml1 ON ml1.macro_lookup_id = macroscopic.grain_id LEFT JOIN macro_lookup AS ml2 ON ml2.macro_lookup_id = macroscopic.lustre_id LEFT JOIN macro_lookup AS ml3 ON ml3.macro_lookup_id = macroscopic.translucency_id WHERE samp_id is not null; > > What is the most efficient way (in terms of typing out column names) to > create this type of view? > > > Killian DriscoIl > IRC Postdoctoral Fellow > UCD School of Archaeology > University College Dublin > > academia.edu/KillianDriscoll <https://ucd.academia.edu/KillianDriscoll> > www.lithicsireland.ie > ca.linkedin.com/in/killiandriscoll >
