ClickHouse/src/Parsers/ASTAlterQuery.cpp

627 lines
25 KiB
C++

#include <iomanip>
#include <IO/Operators.h>
#include <Parsers/ASTAlterQuery.h>
#include <Common/quoteString.h>
namespace DB
{
namespace ErrorCodes
{
extern const int UNEXPECTED_AST_STRUCTURE;
}
String ASTAlterCommand::getID(char delim) const
{
return String("AlterCommand") + delim + typeToString(type);
}
ASTPtr ASTAlterCommand::clone() const
{
auto res = std::make_shared<ASTAlterCommand>(*this);
res->children.clear();
if (col_decl)
{
res->col_decl = col_decl->clone();
res->children.push_back(res->col_decl);
}
if (column)
{
res->column = column->clone();
res->children.push_back(res->column);
}
if (order_by)
{
res->order_by = order_by->clone();
res->children.push_back(res->order_by);
}
if (partition)
{
res->partition = partition->clone();
res->children.push_back(res->partition);
}
if (predicate)
{
res->predicate = predicate->clone();
res->children.push_back(res->predicate);
}
if (ttl)
{
res->ttl = ttl->clone();
res->children.push_back(res->ttl);
}
if (settings_changes)
{
res->settings_changes = settings_changes->clone();
res->children.push_back(res->settings_changes);
}
if (settings_resets)
{
res->settings_resets = settings_resets->clone();
res->children.push_back(res->settings_resets);
}
if (values)
{
res->values = values->clone();
res->children.push_back(res->values);
}
if (rename_to)
{
res->rename_to = rename_to->clone();
res->children.push_back(res->rename_to);
}
if (comment)
{
res->comment = comment->clone();
res->children.push_back(res->comment);
}
return res;
}
const char * ASTAlterCommand::typeToString(ASTAlterCommand::Type type)
{
switch (type)
{
case ADD_COLUMN: return "ADD_COLUMN";
case DROP_COLUMN: return "DROP_COLUMN";
case MODIFY_COLUMN: return "MODIFY_COLUMN";
case COMMENT_COLUMN: return "COMMENT_COLUMN";
case RENAME_COLUMN: return "RENAME_COLUMN";
case MATERIALIZE_COLUMN: return "MATERIALIZE_COLUMN";
case MODIFY_ORDER_BY: return "MODIFY_ORDER_BY";
case MODIFY_SAMPLE_BY: return "MODIFY_SAMPLE_BY";
case MODIFY_TTL: return "MODIFY_TTL";
case MATERIALIZE_TTL: return "MATERIALIZE_TTL";
case MODIFY_SETTING: return "MODIFY_SETTING";
case RESET_SETTING: return "RESET_SETTING";
case MODIFY_QUERY: return "MODIFY_QUERY";
case REMOVE_TTL: return "REMOVE_TTL";
case REMOVE_SAMPLE_BY: return "REMOVE_SAMPLE_BY";
case ADD_INDEX: return "ADD_INDEX";
case DROP_INDEX: return "DROP_INDEX";
case MATERIALIZE_INDEX: return "MATERIALIZE_INDEX";
case ADD_CONSTRAINT: return "ADD_CONSTRAINT";
case DROP_CONSTRAINT: return "DROP_CONSTRAINT";
case ADD_PROJECTION: return "ADD_PROJECTION";
case DROP_PROJECTION: return "DROP_PROJECTION";
case MATERIALIZE_PROJECTION: return "MATERIALIZE_PROJECTION";
case DROP_PARTITION: return "DROP_PARTITION";
case DROP_DETACHED_PARTITION: return "DROP_DETACHED_PARTITION";
case ATTACH_PARTITION: return "ATTACH_PARTITION";
case MOVE_PARTITION: return "MOVE_PARTITION";
case REPLACE_PARTITION: return "REPLACE_PARTITION";
case FETCH_PARTITION: return "FETCH_PARTITION";
case FREEZE_PARTITION: return "FREEZE_PARTITION";
case FREEZE_ALL: return "FREEZE_ALL";
case UNFREEZE_PARTITION: return "UNFREEZE_PARTITION";
case UNFREEZE_ALL: return "UNFREEZE_ALL";
case DELETE: return "DELETE";
case UPDATE: return "UPDATE";
case NO_TYPE: return "NO_TYPE";
case LIVE_VIEW_REFRESH: return "LIVE_VIEW_REFRESH";
case MODIFY_DATABASE_SETTING: return "MODIFY_DATABASE_SETTING";
case MODIFY_COMMENT: return "MODIFY_COMMENT";
}
UNREACHABLE();
}
void ASTAlterCommand::formatImpl(const FormatSettings & settings, FormatState & state, FormatStateStacked frame) const
{
if (type == ASTAlterCommand::ADD_COLUMN)
{
settings.ostr << (settings.hilite ? hilite_keyword : "") << "ADD COLUMN " << (if_not_exists ? "IF NOT EXISTS " : "")
<< (settings.hilite ? hilite_none : "");
col_decl->formatImpl(settings, state, frame);
if (first)
settings.ostr << (settings.hilite ? hilite_keyword : "") << " FIRST " << (settings.hilite ? hilite_none : "");
else if (column) /// AFTER
{
settings.ostr << (settings.hilite ? hilite_keyword : "") << " AFTER " << (settings.hilite ? hilite_none : "");
column->formatImpl(settings, state, frame);
}
}
else if (type == ASTAlterCommand::DROP_COLUMN)
{
settings.ostr << (settings.hilite ? hilite_keyword : "") << (clear_column ? "CLEAR " : "DROP ") << "COLUMN "
<< (if_exists ? "IF EXISTS " : "") << (settings.hilite ? hilite_none : "");
column->formatImpl(settings, state, frame);
if (partition)
{
settings.ostr << (settings.hilite ? hilite_keyword : "") << " IN PARTITION " << (settings.hilite ? hilite_none : "");
partition->formatImpl(settings, state, frame);
}
}
else if (type == ASTAlterCommand::MODIFY_COLUMN)
{
settings.ostr << (settings.hilite ? hilite_keyword : "") << "MODIFY COLUMN " << (if_exists ? "IF EXISTS " : "")
<< (settings.hilite ? hilite_none : "");
col_decl->formatImpl(settings, state, frame);
if (!remove_property.empty())
{
settings.ostr << (settings.hilite ? hilite_keyword : "") << " REMOVE " << remove_property;
}
else
{
if (first)
settings.ostr << (settings.hilite ? hilite_keyword : "") << " FIRST " << (settings.hilite ? hilite_none : "");
else if (column) /// AFTER
{
settings.ostr << (settings.hilite ? hilite_keyword : "") << " AFTER " << (settings.hilite ? hilite_none : "");
column->formatImpl(settings, state, frame);
}
}
}
else if (type == ASTAlterCommand::MATERIALIZE_COLUMN)
{
settings.ostr << (settings.hilite ? hilite_keyword : "") << "MATERIALIZE COLUMN " << (settings.hilite ? hilite_none : "");
column->formatImpl(settings, state, frame);
if (partition)
{
settings.ostr << (settings.hilite ? hilite_keyword : "") << " IN PARTITION " << (settings.hilite ? hilite_none : "");
partition->formatImpl(settings, state, frame);
}
}
else if (type == ASTAlterCommand::COMMENT_COLUMN)
{
settings.ostr << (settings.hilite ? hilite_keyword : "") << "COMMENT COLUMN " << (if_exists ? "IF EXISTS " : "")
<< (settings.hilite ? hilite_none : "");
column->formatImpl(settings, state, frame);
settings.ostr << " " << (settings.hilite ? hilite_none : "");
comment->formatImpl(settings, state, frame);
}
else if (type == ASTAlterCommand::MODIFY_COMMENT)
{
settings.ostr << (settings.hilite ? hilite_keyword : "") << "MODIFY COMMENT" << (settings.hilite ? hilite_none : "");
settings.ostr << " " << (settings.hilite ? hilite_none : "");
comment->formatImpl(settings, state, frame);
}
else if (type == ASTAlterCommand::MODIFY_ORDER_BY)
{
settings.ostr << (settings.hilite ? hilite_keyword : "") << "MODIFY ORDER BY " << (settings.hilite ? hilite_none : "");
order_by->formatImpl(settings, state, frame);
}
else if (type == ASTAlterCommand::MODIFY_SAMPLE_BY)
{
settings.ostr << (settings.hilite ? hilite_keyword : "") << "MODIFY SAMPLE BY " << (settings.hilite ? hilite_none : "");
sample_by->formatImpl(settings, state, frame);
}
else if (type == ASTAlterCommand::REMOVE_SAMPLE_BY)
{
settings.ostr << (settings.hilite ? hilite_keyword : "") << "REMOVE SAMPLE BY" << (settings.hilite ? hilite_none : "");
}
else if (type == ASTAlterCommand::ADD_INDEX)
{
settings.ostr << (settings.hilite ? hilite_keyword : "") << "ADD INDEX " << (if_not_exists ? "IF NOT EXISTS " : "")
<< (settings.hilite ? hilite_none : "");
index_decl->formatImpl(settings, state, frame);
if (first)
settings.ostr << (settings.hilite ? hilite_keyword : "") << " FIRST " << (settings.hilite ? hilite_none : "");
else if (index) /// AFTER
{
settings.ostr << (settings.hilite ? hilite_keyword : "") << " AFTER " << (settings.hilite ? hilite_none : "");
index->formatImpl(settings, state, frame);
}
}
else if (type == ASTAlterCommand::DROP_INDEX)
{
settings.ostr << (settings.hilite ? hilite_keyword : "") << (clear_index ? "CLEAR " : "DROP ") << "INDEX "
<< (if_exists ? "IF EXISTS " : "") << (settings.hilite ? hilite_none : "");
index->formatImpl(settings, state, frame);
if (partition)
{
settings.ostr << (settings.hilite ? hilite_keyword : "") << " IN PARTITION " << (settings.hilite ? hilite_none : "");
partition->formatImpl(settings, state, frame);
}
}
else if (type == ASTAlterCommand::MATERIALIZE_INDEX)
{
settings.ostr << (settings.hilite ? hilite_keyword : "") << "MATERIALIZE INDEX " << (settings.hilite ? hilite_none : "");
index->formatImpl(settings, state, frame);
if (partition)
{
settings.ostr << (settings.hilite ? hilite_keyword : "") << " IN PARTITION " << (settings.hilite ? hilite_none : "");
partition->formatImpl(settings, state, frame);
}
}
else if (type == ASTAlterCommand::ADD_CONSTRAINT)
{
settings.ostr << (settings.hilite ? hilite_keyword : "") << "ADD CONSTRAINT " << (if_not_exists ? "IF NOT EXISTS " : "")
<< (settings.hilite ? hilite_none : "");
constraint_decl->formatImpl(settings, state, frame);
}
else if (type == ASTAlterCommand::DROP_CONSTRAINT)
{
settings.ostr << (settings.hilite ? hilite_keyword : "") << "DROP CONSTRAINT " << (if_exists ? "IF EXISTS " : "")
<< (settings.hilite ? hilite_none : "");
constraint->formatImpl(settings, state, frame);
}
else if (type == ASTAlterCommand::ADD_PROJECTION)
{
settings.ostr << (settings.hilite ? hilite_keyword : "") << "ADD PROJECTION " << (if_not_exists ? "IF NOT EXISTS " : "")
<< (settings.hilite ? hilite_none : "");
projection_decl->formatImpl(settings, state, frame);
if (first)
settings.ostr << (settings.hilite ? hilite_keyword : "") << " FIRST " << (settings.hilite ? hilite_none : "");
else if (projection)
{
settings.ostr << (settings.hilite ? hilite_keyword : "") << " AFTER " << (settings.hilite ? hilite_none : "");
projection->formatImpl(settings, state, frame);
}
}
else if (type == ASTAlterCommand::DROP_PROJECTION)
{
settings.ostr << (settings.hilite ? hilite_keyword : "") << (clear_projection ? "CLEAR " : "DROP ") << "PROJECTION "
<< (if_exists ? "IF EXISTS " : "") << (settings.hilite ? hilite_none : "");
projection->formatImpl(settings, state, frame);
if (partition)
{
settings.ostr << (settings.hilite ? hilite_keyword : "") << " IN PARTITION " << (settings.hilite ? hilite_none : "");
partition->formatImpl(settings, state, frame);
}
}
else if (type == ASTAlterCommand::MATERIALIZE_PROJECTION)
{
settings.ostr << (settings.hilite ? hilite_keyword : "") << "MATERIALIZE PROJECTION " << (settings.hilite ? hilite_none : "");
projection->formatImpl(settings, state, frame);
if (partition)
{
settings.ostr << (settings.hilite ? hilite_keyword : "") << " IN PARTITION " << (settings.hilite ? hilite_none : "");
partition->formatImpl(settings, state, frame);
}
}
else if (type == ASTAlterCommand::DROP_PARTITION)
{
settings.ostr << (settings.hilite ? hilite_keyword : "") << (detach ? "DETACH" : "DROP") << (part ? " PART " : " PARTITION ")
<< (settings.hilite ? hilite_none : "");
partition->formatImpl(settings, state, frame);
}
else if (type == ASTAlterCommand::DROP_DETACHED_PARTITION)
{
settings.ostr << (settings.hilite ? hilite_keyword : "") << "DROP DETACHED" << (part ? " PART " : " PARTITION ")
<< (settings.hilite ? hilite_none : "");
partition->formatImpl(settings, state, frame);
}
else if (type == ASTAlterCommand::ATTACH_PARTITION)
{
settings.ostr << (settings.hilite ? hilite_keyword : "") << "ATTACH " << (part ? "PART " : "PARTITION ")
<< (settings.hilite ? hilite_none : "");
partition->formatImpl(settings, state, frame);
}
else if (type == ASTAlterCommand::MOVE_PARTITION)
{
settings.ostr << (settings.hilite ? hilite_keyword : "") << "MOVE " << (part ? "PART " : "PARTITION ")
<< (settings.hilite ? hilite_none : "");
partition->formatImpl(settings, state, frame);
settings.ostr << " TO ";
switch (move_destination_type)
{
case DataDestinationType::DISK:
settings.ostr << "DISK ";
break;
case DataDestinationType::VOLUME:
settings.ostr << "VOLUME ";
break;
case DataDestinationType::TABLE:
settings.ostr << "TABLE ";
if (!to_database.empty())
{
settings.ostr << (settings.hilite ? hilite_identifier : "") << backQuoteIfNeed(to_database)
<< (settings.hilite ? hilite_none : "") << ".";
}
settings.ostr << (settings.hilite ? hilite_identifier : "") << backQuoteIfNeed(to_table)
<< (settings.hilite ? hilite_none : "");
return;
default:
break;
}
if (move_destination_type != DataDestinationType::TABLE)
{
settings.ostr << quoteString(move_destination_name);
}
}
else if (type == ASTAlterCommand::REPLACE_PARTITION)
{
settings.ostr << (settings.hilite ? hilite_keyword : "") << (replace ? "REPLACE" : "ATTACH") << " PARTITION "
<< (settings.hilite ? hilite_none : "");
partition->formatImpl(settings, state, frame);
settings.ostr << (settings.hilite ? hilite_keyword : "") << " FROM " << (settings.hilite ? hilite_none : "");
if (!from_database.empty())
{
settings.ostr << (settings.hilite ? hilite_identifier : "") << backQuoteIfNeed(from_database)
<< (settings.hilite ? hilite_none : "") << ".";
}
settings.ostr << (settings.hilite ? hilite_identifier : "") << backQuoteIfNeed(from_table) << (settings.hilite ? hilite_none : "");
}
else if (type == ASTAlterCommand::FETCH_PARTITION)
{
settings.ostr << (settings.hilite ? hilite_keyword : "") << "FETCH " << (part ? "PART " : "PARTITION ")
<< (settings.hilite ? hilite_none : "");
partition->formatImpl(settings, state, frame);
settings.ostr << (settings.hilite ? hilite_keyword : "") << " FROM " << (settings.hilite ? hilite_none : "") << DB::quote << from;
}
else if (type == ASTAlterCommand::FREEZE_PARTITION)
{
settings.ostr << (settings.hilite ? hilite_keyword : "") << "FREEZE PARTITION " << (settings.hilite ? hilite_none : "");
partition->formatImpl(settings, state, frame);
if (!with_name.empty())
{
settings.ostr << " " << (settings.hilite ? hilite_keyword : "") << "WITH NAME" << (settings.hilite ? hilite_none : "") << " "
<< DB::quote << with_name;
}
}
else if (type == ASTAlterCommand::FREEZE_ALL)
{
settings.ostr << (settings.hilite ? hilite_keyword : "") << "FREEZE" << (settings.hilite ? hilite_none : "");
if (!with_name.empty())
{
settings.ostr << " " << (settings.hilite ? hilite_keyword : "") << "WITH NAME" << (settings.hilite ? hilite_none : "") << " "
<< DB::quote << with_name;
}
}
else if (type == ASTAlterCommand::UNFREEZE_PARTITION)
{
settings.ostr << (settings.hilite ? hilite_keyword : "") << "UNFREEZE PARTITION " << (settings.hilite ? hilite_none : "");
partition->formatImpl(settings, state, frame);
if (!with_name.empty())
{
settings.ostr << " " << (settings.hilite ? hilite_keyword : "") << "WITH NAME" << (settings.hilite ? hilite_none : "") << " "
<< DB::quote << with_name;
}
}
else if (type == ASTAlterCommand::UNFREEZE_ALL)
{
settings.ostr << (settings.hilite ? hilite_keyword : "") << "UNFREEZE" << (settings.hilite ? hilite_none : "");
if (!with_name.empty())
{
settings.ostr << " " << (settings.hilite ? hilite_keyword : "") << "WITH NAME" << (settings.hilite ? hilite_none : "") << " "
<< DB::quote << with_name;
}
}
else if (type == ASTAlterCommand::DELETE)
{
settings.ostr << (settings.hilite ? hilite_keyword : "") << "DELETE" << (settings.hilite ? hilite_none : "");
if (partition)
{
settings.ostr << (settings.hilite ? hilite_keyword : "") << " IN PARTITION " << (settings.hilite ? hilite_none : "");
partition->formatImpl(settings, state, frame);
}
settings.ostr << (settings.hilite ? hilite_keyword : "") << " WHERE " << (settings.hilite ? hilite_none : "");
predicate->formatImpl(settings, state, frame);
}
else if (type == ASTAlterCommand::UPDATE)
{
settings.ostr << (settings.hilite ? hilite_keyword : "") << "UPDATE " << (settings.hilite ? hilite_none : "");
update_assignments->formatImpl(settings, state, frame);
if (partition)
{
settings.ostr << (settings.hilite ? hilite_keyword : "") << " IN PARTITION " << (settings.hilite ? hilite_none : "");
partition->formatImpl(settings, state, frame);
}
settings.ostr << (settings.hilite ? hilite_keyword : "") << " WHERE " << (settings.hilite ? hilite_none : "");
predicate->formatImpl(settings, state, frame);
}
else if (type == ASTAlterCommand::MODIFY_TTL)
{
settings.ostr << (settings.hilite ? hilite_keyword : "") << "MODIFY TTL " << (settings.hilite ? hilite_none : "");
ttl->formatImpl(settings, state, frame);
}
else if (type == ASTAlterCommand::REMOVE_TTL)
{
settings.ostr << (settings.hilite ? hilite_keyword : "") << "REMOVE TTL" << (settings.hilite ? hilite_none : "");
}
else if (type == ASTAlterCommand::MATERIALIZE_TTL)
{
settings.ostr << (settings.hilite ? hilite_keyword : "") << "MATERIALIZE TTL" << (settings.hilite ? hilite_none : "");
if (partition)
{
settings.ostr << (settings.hilite ? hilite_keyword : "") << " IN PARTITION " << (settings.hilite ? hilite_none : "");
partition->formatImpl(settings, state, frame);
}
}
else if (type == ASTAlterCommand::MODIFY_SETTING)
{
settings.ostr << (settings.hilite ? hilite_keyword : "") << "MODIFY SETTING " << (settings.hilite ? hilite_none : "");
settings_changes->formatImpl(settings, state, frame);
}
else if (type == ASTAlterCommand::RESET_SETTING)
{
settings.ostr << (settings.hilite ? hilite_keyword : "") << "RESET SETTING " << (settings.hilite ? hilite_none : "");
settings_resets->formatImpl(settings, state, frame);
}
else if (type == ASTAlterCommand::MODIFY_DATABASE_SETTING)
{
settings.ostr << (settings.hilite ? hilite_keyword : "") << "MODIFY SETTING " << (settings.hilite ? hilite_none : "");
settings_changes->formatImpl(settings, state, frame);
}
else if (type == ASTAlterCommand::MODIFY_QUERY)
{
settings.ostr << (settings.hilite ? hilite_keyword : "") << "MODIFY QUERY " << settings.nl_or_ws
<< (settings.hilite ? hilite_none : "");
select->formatImpl(settings, state, frame);
}
else if (type == ASTAlterCommand::LIVE_VIEW_REFRESH)
{
settings.ostr << (settings.hilite ? hilite_keyword : "") << "REFRESH " << (settings.hilite ? hilite_none : "");
}
else if (type == ASTAlterCommand::RENAME_COLUMN)
{
settings.ostr << (settings.hilite ? hilite_keyword : "") << "RENAME COLUMN " << (if_exists ? "IF EXISTS " : "")
<< (settings.hilite ? hilite_none : "");
column->formatImpl(settings, state, frame);
settings.ostr << (settings.hilite ? hilite_keyword : "") << " TO ";
rename_to->formatImpl(settings, state, frame);
}
else
throw Exception(ErrorCodes::UNEXPECTED_AST_STRUCTURE, "Unexpected type of ALTER");
}
bool ASTAlterQuery::isOneCommandTypeOnly(const ASTAlterCommand::Type & type) const
{
if (command_list)
{
if (command_list->children.empty())
return false;
for (const auto & child : command_list->children)
{
const auto & command = child->as<const ASTAlterCommand &>();
if (command.type != type)
return false;
}
return true;
}
return false;
}
bool ASTAlterQuery::isSettingsAlter() const
{
return isOneCommandTypeOnly(ASTAlterCommand::MODIFY_SETTING) || isOneCommandTypeOnly(ASTAlterCommand::RESET_SETTING);
}
bool ASTAlterQuery::isFreezeAlter() const
{
return isOneCommandTypeOnly(ASTAlterCommand::FREEZE_PARTITION) || isOneCommandTypeOnly(ASTAlterCommand::FREEZE_ALL)
|| isOneCommandTypeOnly(ASTAlterCommand::UNFREEZE_PARTITION) || isOneCommandTypeOnly(ASTAlterCommand::UNFREEZE_ALL);
}
bool ASTAlterQuery::isAttachAlter() const
{
return isOneCommandTypeOnly(ASTAlterCommand::ATTACH_PARTITION);
}
bool ASTAlterQuery::isFetchAlter() const
{
return isOneCommandTypeOnly(ASTAlterCommand::FETCH_PARTITION);
}
bool ASTAlterQuery::isDropPartitionAlter() const
{
return isOneCommandTypeOnly(ASTAlterCommand::DROP_PARTITION) || isOneCommandTypeOnly(ASTAlterCommand::DROP_DETACHED_PARTITION);
}
bool ASTAlterQuery::isMovePartitionToDiskOrVolumeAlter() const
{
if (command_list)
{
if (command_list->children.empty())
return false;
for (const auto & child : command_list->children)
{
const auto & command = child->as<const ASTAlterCommand &>();
if (command.type != ASTAlterCommand::MOVE_PARTITION ||
(command.move_destination_type != DataDestinationType::DISK && command.move_destination_type != DataDestinationType::VOLUME))
return false;
}
return true;
}
return false;
}
/** Get the text that identifies this element. */
String ASTAlterQuery::getID(char delim) const
{
return "AlterQuery" + (delim + getDatabase()) + delim + getTable();
}
ASTPtr ASTAlterQuery::clone() const
{
auto res = std::make_shared<ASTAlterQuery>(*this);
res->children.clear();
if (command_list)
res->set(res->command_list, command_list->clone());
return res;
}
void ASTAlterQuery::formatQueryImpl(const FormatSettings & settings, FormatState & state, FormatStateStacked frame) const
{
frame.need_parens = false;
std::string indent_str = settings.one_line ? "" : std::string(4u * frame.indent, ' ');
settings.ostr << (settings.hilite ? hilite_keyword : "") << indent_str;
switch (alter_object)
{
case AlterObjectType::TABLE:
settings.ostr << "ALTER TABLE ";
break;
case AlterObjectType::DATABASE:
settings.ostr << "ALTER DATABASE ";
break;
case AlterObjectType::LIVE_VIEW:
settings.ostr << "ALTER LIVE VIEW ";
break;
default:
break;
}
settings.ostr << (settings.hilite ? hilite_none : "");
if (table)
{
if (database)
{
settings.ostr << indent_str << backQuoteIfNeed(getDatabase());
settings.ostr << ".";
}
settings.ostr << indent_str << backQuoteIfNeed(getTable());
}
else if (alter_object == AlterObjectType::DATABASE && database)
{
settings.ostr << indent_str << backQuoteIfNeed(getDatabase());
}
formatOnCluster(settings);
FormatStateStacked frame_nested = frame;
frame_nested.need_parens = false;
if (settings.one_line)
{
frame_nested.expression_list_prepend_whitespace = true;
command_list->formatImpl(settings, state, frame_nested);
}
else
{
frame_nested.expression_list_always_start_on_new_line = true;
command_list->as<ASTExpressionList &>().formatImplMultiline(settings, state, frame_nested);
}
}
}