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This commit is contained in:
yariks5s 2024-01-09 14:34:30 +00:00
parent 6e118c60da
commit daa231c391
2 changed files with 20 additions and 1 deletions
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15
src/Interpreters/JoinedTables.cpp
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@ -1,3 +1,4 @@
#include <algorithm>
#include <Interpreters/JoinedTables.h>
#include <Core/SettingsEnums.h>
@ -258,6 +259,20 @@ bool JoinedTables::resolveTables()
}
}
}
else if (tables_with_columns.size() > 1)
{
Names column_names = {};
for (const auto & t : tables_with_columns)
for (auto & name : t.columns.getNames())
column_names.push_back(name);
std::sort(column_names.begin(), column_names.end());
for (size_t i = 0; i < column_names.size() - 1; i++) // Check if there is not any duplicates because it will lead to broken result
if (column_names[i] == column_names[i+1])
throw Exception(ErrorCodes::BAD_ARGUMENTS,
"Name of columns and aliases should be unique for this query (you can add alias that will be different)"
"While processing '{}'", table_expressions[i]->formatForErrorMessage());
}
return !tables_with_columns.empty();
}

6
tests/queries/0_stateless/02933_paste_join.sql
View File

@ -1,6 +1,6 @@
select * from (SELECT number as a FROM numbers(10)) t1 PASTE JOIN (select number as a from numbers(10)) t2;
select * from (SELECT number as a FROM numbers(10)) t1 PASTE JOIN (select number as a from numbers(10) order by a desc) t2;
create table if not exists test (num UInt64) engine=Memory;
create table if not exists test (number UInt64) engine=Memory;
insert into test select number from numbers(6);
insert into test select number from numbers(5);
SELECT * FROM (SELECT 1) t1 PASTE JOIN (SELECT 2) SETTINGS joined_subquery_requires_alias=0;
@ -35,3 +35,7 @@ SET max_threads = 2;
select * from (SELECT number as a FROM numbers(10)) t1 ANY PASTE JOIN (select number as a from numbers(10)) t2; -- { clientError SYNTAX_ERROR }
select * from (SELECT number as a FROM numbers(10)) t1 ALL PASTE JOIN (select number as a from numbers(10)) t2; -- { clientError SYNTAX_ERROR }
select * from (SELECT number as a FROM numbers_mt(10)) t1 PASTE JOIN (select number as a from numbers(10) ORDER BY a DESC) t2 SETTINGS max_block_size=3; -- { serverError BAD_ARGUMENTS }
INSERT INTO test SELECT * FROM numbers(10);
SELECT * FROM (SELECT number FROM test) AS t1 PASTE JOIN (SELECT number FROM numbers(10) ORDER BY number DESC ) AS t2 SETTINGS joined_subquery_requires_alias = 0; -- { serverError BAD_ARGUMENTS }