ClickHouse/src/Parsers/ParserSetQuery.cpp
Robert Schulze b24ca8de52
Fix various clang-tidy warnings
When I tried to add cool new clang-tidy 14 warnings, I noticed that the
current clang-tidy settings already produce a ton of warnings. This
commit addresses many of these. Almost all of them were non-critical,
i.e. C vs. C++ style casts.
2022-04-20 10:29:05 +02:00

86 lines
2.0 KiB
C++

#include <Parsers/ASTIdentifier_fwd.h>
#include <Parsers/ASTLiteral.h>
#include <Parsers/ASTSetQuery.h>
#include <Parsers/CommonParsers.h>
#include <Parsers/ParserSetQuery.h>
#include <Common/typeid_cast.h>
#include <Common/SettingsChanges.h>
namespace DB
{
/// Parse `name = value`.
bool ParserSetQuery::parseNameValuePair(SettingChange & change, IParser::Pos & pos, Expected & expected)
{
ParserCompoundIdentifier name_p;
ParserLiteral value_p;
ParserToken s_eq(TokenType::Equals);
ASTPtr name;
ASTPtr value;
if (!name_p.parse(pos, name, expected))
return false;
if (!s_eq.ignore(pos, expected))
return false;
if (ParserKeyword("TRUE").ignore(pos, expected))
value = std::make_shared<ASTLiteral>(Field(static_cast<UInt64>(1)));
else if (ParserKeyword("FALSE").ignore(pos, expected))
value = std::make_shared<ASTLiteral>(Field(static_cast<UInt64>(0)));
else if (!value_p.parse(pos, value, expected))
return false;
tryGetIdentifierNameInto(name, change.name);
change.value = value->as<ASTLiteral &>().value;
return true;
}
bool ParserSetQuery::parseImpl(Pos & pos, ASTPtr & node, Expected & expected)
{
ParserToken s_comma(TokenType::Comma);
if (!parse_only_internals)
{
ParserKeyword s_set("SET");
if (!s_set.ignore(pos, expected))
return false;
/// Parse SET TRANSACTION ... queries using ParserTransactionControl
if (ParserKeyword{"TRANSACTION"}.check(pos, expected))
return false;
}
SettingsChanges changes;
while (true)
{
if (!changes.empty() && !s_comma.ignore(pos))
break;
changes.push_back(SettingChange{});
if (!parseNameValuePair(changes.back(), pos, expected))
return false;
}
auto query = std::make_shared<ASTSetQuery>();
node = query;
query->is_standalone = !parse_only_internals;
query->changes = std::move(changes);
return true;
}
}