Can`t create two collations with different names if autoddl =OFF in FB 2.5.3 [CORE4452]

[firebird-issue-importer]

Submitted by: @pavel-zotov

Is related to QA611

SQL> show version;
ISQL Version: LI-V2.5.3.26744 Firebird 2.5
Server version:
Firebird/linux AMD64 (access method), version "LI-V2.5.3.26744 Firebird 2.5"
Firebird/linux AMD64 (remote server), version "LI-V2.5.3.26744 Firebird 2.5/tcp (oel64)/P12"
Firebird/linux AMD64 (remote interface), version "LI-V2.5.3.26744 Firebird 2.5/tcp (oel64)/P12"
on disk structure version 11.2

SQL> show collation;
There are no user-defined collations in this database

SQL> set autoddl off;
SQL> commit;
SQL> create collation name_coll for utf8 from unicode CASE INSENSITIVE;
SQL> create collation nums_coll for utf8 from unicode CASE INSENSITIVE 'NUMERIC-SORT=1';
Statement failed, SQLSTATE = 42000
unsuccessful metadata update
-DEFINE COLLATION failed
-attempt to store duplicate value (visible to active transactions) in unique index "RDB$INDEX_26"
-Problematic key value is ("RDB$COLLATION_ID" = NULL, "RDB$CHARACTER_SET_ID" = 4)

Why I'm getting such error ?

PS. No such message in FB 3.0.x

Commits: 4f1a7be FirebirdSQL/fbt-repository@0e0a192

[firebird-issue-importer]

Modified by: @asfernandes

assignee: Adriano dos Santos Fernandes [ asfernandes ]

[firebird-issue-importer]

Modified by: @asfernandes

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

resolution: Fixed [ 1 ]

Fix Version: 2.5.4 [ 10585 ]

[firebird-issue-importer]

Modified by: @asfernandes

Version: 2.5.2 [ 10450 ]

Version: 2.5.3 [ 10461 ]

[firebird-issue-importer]

Modified by: @pavel-zotov

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

QA Status: Done successfully

[firebird-issue-importer]

Modified by: @pcisar

Link: This issue is related to QA611 [ QA611 ]