ColumnsDescription InterpreterCreateQuery::getColumnsDescription(const ASTExpressionList & columns, const Context & context)
{
ColumnsDescription res;
auto && columns_and_defaults = parseColumns(columns, context);
res.materialized = removeAndReturnColumns(columns_and_defaults, ColumnDefaultKind::Materialized);
res.aliases = removeAndReturnColumns(columns_and_defaults, ColumnDefaultKind::Alias);
res.ordinary = std::move(columns_and_defaults.first);
res.defaults = std::move(columns_and_defaults.second);
if (res.ordinary.size() + res.materialized.size() == 0)
throw Exception{"Cannot CREATE table without physical columns", ErrorCodes::EMPTY_LIST_OF_COLUMNS_PASSED};
return res;
}
InterpreterCreateQuery::ColumnsInfo InterpreterCreateQuery::getColumnsInfo(
const ASTPtr & columns, const Context & context)
{
ColumnsInfo res;
auto && columns_and_defaults = parseColumns(columns, context);
res.materialized_columns = removeAndReturnColumns(columns_and_defaults, ColumnDefaultType::Materialized);
res.alias_columns = removeAndReturnColumns(columns_and_defaults, ColumnDefaultType::Alias);
res.columns = std::make_shared<NamesAndTypesList>(std::move(columns_and_defaults.first));
res.column_defaults = std::move(columns_and_defaults.second);
if (res.columns->size() + res.materialized_columns.size() == 0)
throw Exception{"Cannot CREATE table without physical columns", ErrorCodes::EMPTY_LIST_OF_COLUMNS_PASSED};
return res;
}
