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#include <Columns/Collator.h>
#include <Parsers/ASTOrderByElement.h>
#include <Common/SipHash.h>
#include <IO/Operators.h>
namespace DB
{
void ASTOrderByElement::updateTreeHashImpl(SipHash & hash_state) const
{
hash_state.update(direction);
hash_state.update(nulls_direction);
hash_state.update(nulls_direction_was_explicitly_specified);
hash_state.update(with_fill);
IAST::updateTreeHashImpl(hash_state);
}
void ASTOrderByElement::formatImpl(const FormatSettings & settings, FormatState & state, FormatStateStacked frame) const
{
children.front()->formatImpl(settings, state, frame);
settings.ostr << (settings.hilite ? hilite_keyword : "")
<< (direction == -1 ? " DESC" : " ASC")
<< (settings.hilite ? hilite_none : "");
if (nulls_direction_was_explicitly_specified)
{
settings.ostr << (settings.hilite ? hilite_keyword : "")
<< " NULLS "
<< (nulls_direction == direction ? "LAST" : "FIRST")
<< (settings.hilite ? hilite_none : "");
}
if (collation)
{
settings.ostr << (settings.hilite ? hilite_keyword : "") << " COLLATE " << (settings.hilite ? hilite_none : "");
collation->formatImpl(settings, state, frame);
}
if (with_fill)
{
settings.ostr << (settings.hilite ? hilite_keyword : "") << " WITH FILL" << (settings.hilite ? hilite_none : "");
if (fill_from)
{
settings.ostr << (settings.hilite ? hilite_keyword : "") << " FROM " << (settings.hilite ? hilite_none : "");
fill_from->formatImpl(settings, state, frame);
}
if (fill_to)
{
settings.ostr << (settings.hilite ? hilite_keyword : "") << " TO " << (settings.hilite ? hilite_none : "");
fill_to->formatImpl(settings, state, frame);
}
if (fill_step)
{
settings.ostr << (settings.hilite ? hilite_keyword : "") << " STEP " << (settings.hilite ? hilite_none : "");
fill_step->formatImpl(settings, state, frame);
}
}
}
}
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