| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | dfgpostgres <dfgpostgres3(at)gmail(dot)com> |
| Cc: | pgsql-general(at)lists(dot)postgresql(dot)org |
| Subject: | Re: PG Unpivot ? |
| Date: | 2025-11-03 17:33:23 |
| Message-ID: | 337595.1762191203@sss.pgh.pa.us |
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| Lists: | pgsql-general |
dfgpostgres <dfgpostgres3(at)gmail(dot)com> writes:
> I want 9 records returned, each row with 3 cols, 1st col is the ctid,
> second is the column name, third is the val.
Perhaps psql's "expanded" mode is close enough?
regression=# \x
Expanded display is on.
regression=# select * from unpivot;
-[ RECORD 1 ]---
intcol | 1
floatcol | 1.1
strcol | one
-[ RECORD 2 ]---
intcol | 2
floatcol | 2.2
strcol | two
-[ RECORD 3 ]---
intcol | 3
floatcol | 3.3
strcol | three
PS: I do not advise relying on ctid as a row identifier.
Use a proper primary key.
regards, tom lane
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