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Merge 4765fcac38 into 44b4bd38b9

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Arthur Passos 2024-11-21 00:09:46 +01:00 committed by GitHub
commit 43722a0ba6
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3 changed files with 14 additions and 0 deletions
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9
src/Parsers/Access/ParserCreateUserQuery.cpp
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@ -549,6 +549,8 @@ bool ParserCreateUserQuery::parseImpl(Pos & pos, ASTPtr & node, Expected & expec
auto names = typeid_cast<std::shared_ptr<ASTUserNamesWithHost>>(names_ast); auto names = typeid_cast<std::shared_ptr<ASTUserNamesWithHost>>(names_ast);
auto names_ref = names->names; auto names_ref = names->names;
auto pos_after_parsing_names = pos;
std::optional<String> new_name; std::optional<String> new_name;
std::optional<AllowedClientHosts> hosts; std::optional<AllowedClientHosts> hosts;
std::optional<AllowedClientHosts> add_hosts; std::optional<AllowedClientHosts> add_hosts;
@ -674,6 +676,13 @@ bool ParserCreateUserQuery::parseImpl(Pos & pos, ASTPtr & node, Expected & expec
else if (alter) else if (alter)
names->concatParts(); names->concatParts();
bool alter_query_with_no_changes = alter && pos_after_parsing_names == pos;
if (alter_query_with_no_changes)
{
return false;
}
auto query = std::make_shared<ASTCreateUserQuery>(); auto query = std::make_shared<ASTCreateUserQuery>();
node = query; node = query;

0
tests/queries/0_stateless/03254_test_alter_user_no_changes.reference Normal file
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5
tests/queries/0_stateless/03254_test_alter_user_no_changes.sql Normal file
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@ -0,0 +1,5 @@
-- Tags: no-parallel
create user u_03254_alter_user;
alter user u_03254_alter_user; -- { clientError SYNTAX_ERROR }
drop user u_03254_alter_user;