On Thu, Jan 25, 2024 at 12:29 PM Tom Lane <t...@sss.pgh.pa.us> wrote:
> Ron Johnson <ronljohnso...@gmail.com> writes: > > EXPLAIN SELECT works inside a FOR loop, but only the first line of the > > EXPLAIN output is stored. What's the magic sauce for seeing the whole > > EXPLAIN output? > > The usual way is to run a FOR loop over the lines of output. > Quick & dirty example: > > regression=# do $$ > declare ln text; > begin > for ln in explain select * from int8_tbl join int4_tbl on q1=f1 loop > raise notice '%', ln; > end loop; > end $$; > NOTICE: Hash Join (cost=1.11..2.23 rows=5 width=20) > NOTICE: Hash Cond: (int8_tbl.q1 = int4_tbl.f1) > NOTICE: -> Seq Scan on int8_tbl (cost=0.00..1.05 rows=5 width=16) > NOTICE: -> Hash (cost=1.05..1.05 rows=5 width=4) > NOTICE: -> Seq Scan on int4_tbl (cost=0.00..1.05 rows=5 width=4) > DO > > Thanks.
