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#include <Parsers/toOneLineQuery.h>
#include <Parsers/Lexer.h>
namespace DB
{
String toOneLineQuery(const String & query)
{
String res;
const char * begin = query.data();
const char * end = begin + query.size();
Lexer lexer(begin, end);
Token token = lexer.nextToken();
for (; !token.isEnd(); token = lexer.nextToken())
{
if (token.type == TokenType::Whitespace)
{
res += ' ';
}
else if (token.type == TokenType::Comment)
{
res.append(token.begin, token.end);
if (token.end < end && *token.end == '\n')
res += '\n';
}
else
res.append(token.begin, token.end);
}
return res;
}
}
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