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fix

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fix style

fix build
This commit is contained in:
feng lv 2021-01-10 14:51:06 +00:00
parent 94e1bc05d2
commit 5f962015ca
4 changed files with 77 additions and 9 deletions
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45
src/Parsers/ExpressionElementParsers.cpp
View File

@ -267,7 +267,7 @@ bool ParserFunction::parseImpl(Pos & pos, ASTPtr & node, Expected & expected)
ParserKeyword over("OVER");
bool has_all = false;
bool has_distinct_modifier = false;
bool has_distinct = false;
ASTPtr identifier;
ASTPtr query;
@ -281,19 +281,34 @@ bool ParserFunction::parseImpl(Pos & pos, ASTPtr & node, Expected & expected)
return false;
++pos;
auto pos_after_bracket = pos;
auto old_expected = expected;
if (all.ignore(pos, expected))
has_all = true;
if (distinct.ignore(pos, expected))
has_distinct_modifier = true;
has_distinct = true;
if (!has_all && all.ignore(pos, expected))
has_all = true;
if (has_all && has_distinct_modifier)
if (has_all && has_distinct)
return false;
if (!has_distinct_modifier)
if (has_all || has_distinct)
{
/// case f(ALL), f(ALL, x), f(DISTINCT), f(DISTINCT, x), ALL and DISTINCT should be treat as identifier
if (pos->type == TokenType::Comma || pos->type == TokenType::ClosingRoundBracket)
{
pos = pos_after_bracket;
expected = old_expected;
has_all = false;
has_distinct = false;
}
}
if (!has_distinct && !has_all)
{
auto old_pos = pos;
auto maybe_an_subquery = pos->type == TokenType::OpeningRoundBracket;
@ -381,24 +396,38 @@ bool ParserFunction::parseImpl(Pos & pos, ASTPtr & node, Expected & expected)
++pos;
/// Parametric aggregate functions cannot have DISTINCT in parameters list.
if (has_distinct_modifier)
if (has_distinct)
return false;
expr_list_params = expr_list_args;
expr_list_args = nullptr;
pos_after_bracket = pos;
old_expected = expected;
if (all.ignore(pos, expected))
has_all = true;
if (distinct.ignore(pos, expected))
has_distinct_modifier = true;
has_distinct = true;
if (!has_all && all.ignore(pos, expected))
has_all = true;
if (has_all && has_distinct_modifier)
if (has_all && has_distinct)
return false;
if (has_all || has_distinct)
{
/// case f(ALL), f(ALL, x), f(DISTINCT), f(DISTINCT, x), ALL and DISTINCT should be treat as identifier
if (pos->type == TokenType::Comma || pos->type == TokenType::ClosingRoundBracket)
{
pos = pos_after_bracket;
expected = old_expected;
has_distinct = false;
}
}
if (!contents.parse(pos, expr_list_args, expected))
return false;
@ -411,7 +440,7 @@ bool ParserFunction::parseImpl(Pos & pos, ASTPtr & node, Expected & expected)
tryGetIdentifierNameInto(identifier, function_node->name);
/// func(DISTINCT ...) is equivalent to funcDistinct(...)
if (has_distinct_modifier)
if (has_distinct)
function_node->name += "Distinct";
function_node->arguments = expr_list_args;

2
src/Parsers/ParserSelectQuery.cpp
View File

@ -92,7 +92,7 @@ bool ParserSelectQuery::parseImpl(Pos & pos, ASTPtr & node, Expected & expected)
}
}
/// SELECT [DISTINCT] [TOP N [WITH TIES]] expr list
/// SELECT [ALL/DISTINCT] [TOP N [WITH TIES]] expr list
{
bool has_all = false;
if (!s_select.ignore(pos, expected))

25
tests/queries/0_stateless/01632_select_all_syntax.reference
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@ -8,3 +8,28 @@ a
45
2
1
1
1
a
aa
aaa
aaaa
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aaaaaaa
aaaaaaaa
aaaaaaaaa
a
aa
aaa
aaaa
aaaaa
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aaaaaaaa
aaaaaaaaa
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aaaaa
aaaaa

14
tests/queries/0_stateless/01632_select_all_syntax.sql
View File

@ -9,3 +9,17 @@ SELECT sum(DISTINCT number) FROM numbers(10);
SELECT sum(ALL x) FROM (SELECT 1 x UNION ALL SELECT 1);
SELECT sum(DISTINCT x) FROM (SELECT 1 x UNION ALL SELECT 1);
SELECT sum(ALL) FROM (SELECT 1 AS ALL);
SELECT sum(DISTINCT) FROM (SELECT 1 AS DISTINCT);
SELECT repeat('a', ALL) FROM (SELECT number AS ALL FROM numbers(10));
SELECT repeat('a', DISTINCT) FROM (SELECT number AS DISTINCT FROM numbers(10));
SELECT repeat(ALL, 5) FROM (SELECT 'a' AS ALL);
SELECT repeat(DISTINCT, 5) FROM (SELECT 'a' AS DISTINCT);
SELECT repeat(ALL, DISTINCT) FROM (SELECT 'a' AS ALL, 5 AS DISTINCT);