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Fix unique INCLUDE indexes on partitioned tables

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We were considering the INCLUDE columns as part of the key, allowing
unicity-violating rows to be inserted in different partitions.

Concurrent development conflict in eb7ed3f306 and 8224de4f42.

Reported-by: Justin Pryzby
Discussion: https://postgr.es/m/20190109065109.GA4285@telsasoft.com
This commit is contained in:
Alvaro Herrera
2019-01-14 19:25:19 -03:00
parent bb24439cef
commit 0ad41cf537
3 changed files with 5 additions and 1 deletions
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3
src/test/regress/expected/indexing.out
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@ -1411,3 +1411,6 @@ insert into covidxpart values (4, 1);
insert into covidxpart values (4, 1);
ERROR: duplicate key value violates unique constraint "covidxpart4_a_b_idx"
DETAIL: Key (a)=(4) already exists.
create unique index on covidxpart (b) include (a); -- should fail
ERROR: insufficient columns in UNIQUE constraint definition
DETAIL: UNIQUE constraint on table "covidxpart" lacks column "a" which is part of the partition key.

1
src/test/regress/sql/indexing.sql
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@ -756,3 +756,4 @@ create unique index on covidxpart4 (a);
alter table covidxpart attach partition covidxpart4 for values in (4);
insert into covidxpart values (4, 1);
insert into covidxpart values (4, 1);
create unique index on covidxpart (b) include (a); -- should fail