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dbms: tiny improvement [#CONV-2944].

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This commit is contained in:
Alexey Milovidov 2013-05-04 15:44:58 +00:00
parent 45f88eb1d1
commit cfb884f853
1 changed files with 14 additions and 12 deletions
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24
dbms/include/DB/Parsers/ASTFunction.h
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@ -3,6 +3,7 @@
#include <DB/Parsers/IAST.h>
#include <DB/Functions/IFunction.h>
#include <DB/AggregateFunctions/IAggregateFunction.h>
#include <DB/IO/WriteBufferFromString.h>
namespace DB
@ -36,31 +37,32 @@ public:
String getColumnName() const
{
std::stringstream s;
s << name;
String res;
WriteBufferFromString wb(res);
writeString(name, wb);
if (parameters)
{
s << "(";
writeChar('(', wb);
for (ASTs::const_iterator it = parameters->children.begin(); it != parameters->children.end(); ++it)
{
if (it != parameters->children.begin())
s << ", ";
s << (*it)->getColumnName();
writeString(", ", wb);
writeString((*it)->getColumnName(), wb);
}
s << ")";
writeChar(')', wb);
}
s << "(";
writeChar('(', wb);
for (ASTs::const_iterator it = arguments->children.begin(); it != arguments->children.end(); ++it)
{
if (it != arguments->children.begin())
s << ", ";
s << (*it)->getColumnName();
writeString(", ", wb);
writeString((*it)->getColumnName(), wb);
}
s << ")";
writeChar(')', wb);
return s.str();
return res;
}
String getAlias() const { return alias.empty() ? getColumnName() : alias; }