Wow ! That did it, even with the predicate I stuck on the end when I tried it.
Thanks Depesz ! On Mon, Nov 3, 2025 at 12:22 PM hubert depesz lubaczewski <[email protected]> wrote: > On Mon, Nov 03, 2025 at 12:18:55PM -0500, dfgpostgres wrote: > > psql (13.2, server 15.3) on linux > > > > I think they call this "unpivot" in MSSQL ? > > > > How can I get an sql query to return one line per column with... an ID, > > column name and value. the ctid for the id field is fine. > > > > Example: > > dvdb=# create table unpivot (intcol integer, floatcol float, strcol > > varchar); > > CREATE TABLE > > dvdb=# insert into unpivot (intcol,floatcol,strcol) values > > (1,1.1,'one'),(2,2.2,'two'),(3,3.3,'three'); > > INSERT 0 3 > > dvdb=# select * from unpivot; > > intcol | floatcol | strcol > > --------+----------+-------- > > 1 | 1.1 | one > > 2 | 2.2 | two > > 3 | 3.3 | three > > (3 rows) > > I want 9 records returned, each row with 3 cols, 1st col is the ctid, > > second is the column name, third is the val. > > I think it should work: > > select u.ctid, e.* from unpivot u, to_jsonb(u) j, jsonb_each_text(j) e; > > Best regards, > > depesz > >
