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Removed unused file [METR-9172]

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Sergey Fedorov 2014-01-17 15:43:15 +00:00
parent 9cc974568e
commit cd8448d2c6
1 changed files with 0 additions and 110 deletions
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110
dbms/include/DB/Common/VirtualColumnUnitls.h
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@ -1,110 +0,0 @@
#pragma once
#include <DB/Interpreters/Context.h>
#include <DB/DataStreams/AddingConstColumnBlockInputStream.h>
#include <DB/DataTypes/DataTypeString.h>
#include <DB/DataTypes/DataTypesNumberFixed.h>
#include <DB/Parsers/ASTIdentifier.h>
#include <DB/Parsers/ASTExpressionList.h>
#include <DB/Parsers/ASTLiteral.h>
#include <DB/Parsers/ASTSelectQuery.h>
#include <DB/Storages/StoragePtr.h>
namespace DB
{
class VirtualColumnUtils{
public:
static String chooseSuffix(const NamesAndTypesList &columns, const String &name)
{
int id = 0;
String current_suffix;
while (true)
{
bool done = true;
for (auto & it : columns)
if (it.first == name + current_suffix)
{
done = false;
break;
}
if (done) break;
id ++;
current_suffix = toString<Int32>(id);
}
return current_suffix;
}
static String chooseSuffix(const NamesAndTypesList &columns, const std::vector<String> &names)
{
int id = 0;
String current_suffix;
while (true)
{
bool done = true;
for (auto & it : columns)
{
for (size_t i = 0; i < names.size(); ++i)
{
if (it.first == names[i] + current_suffix)
{
done = false;
break;
}
}
if (!done)
break;
}
if (done)
break;
id ++;
current_suffix = toString<Int32>(id);
}
return current_suffix;
}
static void rewriteEntityInAst(ASTPtr ast, const String & column_name, const Field &value)
{
{
ASTSelectQuery & select = dynamic_cast<ASTSelectQuery &>(*ast);
ASTExpressionList & node = dynamic_cast<ASTExpressionList &>(*select.select_expression_list);
ASTs & asts = node.children;
ASTLiteral * cur = new ASTLiteral(StringRange(NULL, NULL), value);
cur->alias = column_name;
ASTPtr column_value = cur;
asts.insert(asts.begin(), column_value);
return;
}
if (ASTExpressionList * node = dynamic_cast<ASTExpressionList *>(&*ast))
{
ASTs & asts = node->children;
for (int i = static_cast<int>(asts.size()) - 1; i >= 0; --i)
{
if (ASTIdentifier * child = dynamic_cast<ASTIdentifier *>(&*asts[i]))
{
if (child->kind == ASTIdentifier::Column && child->getColumnName() == column_name)
{
ASTLiteral * cur = new ASTLiteral(StringRange(NULL, NULL), value);
cur->alias = column_name;
ASTPtr column_value = cur;
asts.erase(asts.begin() + i);
asts.insert(asts.begin() + i, column_value);
}
}
}
}
for (auto it : ast->children)
rewriteEntityInAst(it, column_name, value);
}
};
}