Conversion error from string when using GROUP BY [CORE3777]

[firebird-automations]

Submitted by: Maxim Kuzmin (cybermax)

Is related to QA494

Metadata:
CREATE TABLE TABLE2 (
ID INTEGER NOT NULL,
NAME VARCHAR(50)
);
ALTER TABLE TABLE2 ADD CONSTRAINT PK_TABLE2 PRIMARY KEY (ID);

CREATE TABLE TABLE1 (
ID INTEGER NOT NULL,
ID_NAME INTEGER,
NAME COMPUTED BY (COALESCE((SELECT NAME FROM TABLE2 WHERE ID = ID_NAME) || '.', '')),
OTHER_FIELD INTEGER
);
ALTER TABLE TABLE1 ADD CONSTRAINT PK_TABLE1 PRIMARY KEY (ID);

Data:
INSERT INTO TABLE2 (ID, NAME) VALUES (1, 'qqq');
INSERT INTO TABLE2 (ID, NAME) VALUES (2, 'www');
INSERT INTO TABLE2 (ID, NAME) VALUES (3, 'eee');

INSERT INTO TABLE1 (ID, ID_NAME, OTHER_FIELD) VALUES (1, 1, 100);
INSERT INTO TABLE1 (ID, ID_NAME, OTHER_FIELD) VALUES (2, 2, 101);
INSERT INTO TABLE1 (ID, ID_NAME, OTHER_FIELD) VALUES (3, 3, 102);

Query:
SELECT
http://T.NAME
FROM
TABLE1 T
GROUP BY
http://T.NAME,
T.OTHER_FIELD

Firebird returns:
Overflow occurred during data type conversion.
conversion error from string "qqq.".

Commits: b266e11 7fcc8b1 FirebirdSQL/fbt-repository@3f76801

[firebird-automations]

Modified by: @dyemanov

assignee: Dmitry Yemanov [ dimitr ]

[firebird-automations]

Modified by: @dyemanov

status: Open [ 1 ] => In Progress [ 3 ]

[firebird-automations]

Modified by: @dyemanov

status: In Progress [ 3 ] => Open [ 1 ]

[firebird-automations]

Modified by: @dyemanov

Fix Version: 2.5.2 [ 10450 ]

[firebird-automations]

Modified by: @dyemanov

status: Open [ 1 ] => Resolved [ 5 ]

resolution: Fixed [ 1 ]

[firebird-automations]

Modified by: @pcisar

Link: This issue is related to QA494 [ QA494 ]

[firebird-automations]

Modified by: @pmakowski

status: Resolved [ 5 ] => Closed [ 6 ]

[firebird-automations]

Modified by: @pavel-zotov

status: Closed [ 6 ] => Closed [ 6 ]

QA Status: Done successfully