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Improve jsonb cast error message

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Initial variant of error message didn't follow style of another casting error
messages and wasn't informative. Per gripe from Robert Haas.

Reviewer: Tom Lane
Discussion: https://www.postgresql.org/message-id/flat/CA%2BTgmob08StTV9yu04D0idRFNMh%2BUoyKax5Otvrix7rEZC8rMw%40mail.gmail.com#CA+Tgmob08StTV9yu04D0idRFNMh+UoyKax5Otvrix7rEZC8rMw@mail.gmail.com
This commit is contained in:
Teodor Sigaev
2018-05-09 13:23:16 +03:00
parent c63913ca7d
commit cb5d942959
2 changed files with 51 additions and 28 deletions
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8
src/test/regress/expected/jsonb.out
View File

@ -4321,7 +4321,7 @@ select 'true'::jsonb::bool;
(1 row)
select '[]'::jsonb::bool;
ERROR: jsonb value must be boolean
ERROR: cannot cast jsonb array to type boolean
select '1.0'::jsonb::float;
float8
--------
@ -4329,7 +4329,7 @@ select '1.0'::jsonb::float;
(1 row)
select '[1.0]'::jsonb::float;
ERROR: jsonb value must be numeric
ERROR: cannot cast jsonb array to type double precision
select '12345'::jsonb::int4;
int4
-------
@ -4337,7 +4337,7 @@ select '12345'::jsonb::int4;
(1 row)
select '"hello"'::jsonb::int4;
ERROR: jsonb value must be numeric
ERROR: cannot cast jsonb string to type integer
select '12345'::jsonb::numeric;
numeric
---------
@ -4345,7 +4345,7 @@ select '12345'::jsonb::numeric;
(1 row)
select '{}'::jsonb::numeric;
ERROR: jsonb value must be numeric
ERROR: cannot cast jsonb object to type numeric
select '12345.05'::jsonb::numeric;
numeric
----------