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Add a test for creating an index on a whole-row expression.

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Surprisingly, we have no existing test for this. Had this test
been present before commit 570e2fcc04
the Assert added in commit c98ad086ad
would have caught the bug.

Reviewed-by: Tom Lane <tgl@sss.pgh.pa.us>
Discussion: http://postgr.es/m/CA+TgmoacixUZVvi00hOjk_d9B4iYKswWP1gNqQ8Vfray-AcOCA@mail.gmail.com
This commit is contained in:
Robert Haas 2026-03-24 10:06:38 -04:00
parent 6bc7449eac
commit 4647ee2da3
2 changed files with 23 additions and 0 deletions
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11
src/test/regress/expected/indexing.out
View file

@ -1669,3 +1669,14 @@ reindex index test_pg_index_toast_index;
drop index test_pg_index_toast_index;
drop function test_pg_index_toast_func;
drop table test_pg_index_toast_table;
-- test creation of an index involving a whole-row expression
create table test_pg_wholerow_index (a int, b text, c numeric);
create or replace function row_image(test_pg_wholerow_index)
returns test_pg_wholerow_index as $$select $1$$ language sql immutable;
insert into test_pg_wholerow_index values (1, 'multiplication', 1.0);
create index row_image_index
on test_pg_wholerow_index ((row_image(test_pg_wholerow_index)));
insert into test_pg_wholerow_index values (2, 'addition', 0);
drop index row_image_index;
drop function row_image(test_pg_wholerow_index);
drop table test_pg_wholerow_index;

12
src/test/regress/sql/indexing.sql
View file

@ -934,3 +934,15 @@ reindex index test_pg_index_toast_index;
drop index test_pg_index_toast_index;
drop function test_pg_index_toast_func;
drop table test_pg_index_toast_table;
-- test creation of an index involving a whole-row expression
create table test_pg_wholerow_index (a int, b text, c numeric);
create or replace function row_image(test_pg_wholerow_index)
returns test_pg_wholerow_index as $$select $1$$ language sql immutable;
insert into test_pg_wholerow_index values (1, 'multiplication', 1.0);
create index row_image_index
on test_pg_wholerow_index ((row_image(test_pg_wholerow_index)));
insert into test_pg_wholerow_index values (2, 'addition', 0);
drop index row_image_index;
drop function row_image(test_pg_wholerow_index);
drop table test_pg_wholerow_index;