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#pragma once
#include <Parsers/IAST_fwd.h>
#include <base/types.h>
#include <optional>
#include <vector>
namespace DB
{
class ASTIdentifier;
class ASTTableIdentifier;
/// ASTIdentifier Helpers: hide casts and semantic.
void setIdentifierSpecial(ASTPtr & ast);
String getIdentifierName(const IAST * ast);
std::optional<String> tryGetIdentifierName(const IAST * ast);
bool tryGetIdentifierNameInto(const IAST * ast, String & name);
inline String getIdentifierName(const ASTPtr & ast)
{
return getIdentifierName(ast.get());
}
inline std::optional<String> tryGetIdentifierName(const ASTPtr & ast)
{
return tryGetIdentifierName(ast.get());
}
inline bool tryGetIdentifierNameInto(const ASTPtr & ast, String & name)
{
return tryGetIdentifierNameInto(ast.get(), name);
}
}
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