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Improve unique-constraint-violation error messages to include the exact

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values being complained of.

In passing, also remove the arbitrary length limitation in the similar
error detail message for foreign key violations.

Itagaki Takahiro
This commit is contained in:
Tom Lane
2009-08-01 19:59:41 +00:00
parent 2487d872e0
commit b680ae4bdb
20 changed files with 173 additions and 41 deletions
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3
contrib/citext/expected/citext.out
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@ -271,10 +271,13 @@ SELECT name, 'A' = name AS t FROM try where name = 'A';
-- expected failures on duplicate key
INSERT INTO try (name) VALUES ('a');
ERROR: duplicate key value violates unique constraint "try_pkey"
DETAIL: Key (name)=(a) already exists.
INSERT INTO try (name) VALUES ('A');
ERROR: duplicate key value violates unique constraint "try_pkey"
DETAIL: Key (name)=(A) already exists.
INSERT INTO try (name) VALUES ('aB');
ERROR: duplicate key value violates unique constraint "try_pkey"
DETAIL: Key (name)=(aB) already exists.
-- Make sure that citext_smaller() and citext_lager() work properly.
SELECT citext_smaller( 'aa'::citext, 'ab'::citext ) = 'aa' AS t;
t

3
contrib/citext/expected/citext_1.out
View File

@ -271,10 +271,13 @@ SELECT name, 'A' = name AS t FROM try where name = 'A';
-- expected failures on duplicate key
INSERT INTO try (name) VALUES ('a');
ERROR: duplicate key value violates unique constraint "try_pkey"
DETAIL: Key (name)=(a) already exists.
INSERT INTO try (name) VALUES ('A');
ERROR: duplicate key value violates unique constraint "try_pkey"
DETAIL: Key (name)=(A) already exists.
INSERT INTO try (name) VALUES ('aB');
ERROR: duplicate key value violates unique constraint "try_pkey"
DETAIL: Key (name)=(aB) already exists.
-- Make sure that citext_smaller() and citext_lager() work properly.
SELECT citext_smaller( 'aa'::citext, 'ab'::citext ) = 'aa' AS t;
t