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#include <Parsers/Access/ASTRowPolicyName.h>
#include <Common/quoteString.h>
#include <IO/Operators.h>
namespace DB
{
namespace ErrorCodes
{
extern const int LOGICAL_ERROR;
}
void ASTRowPolicyName::formatImpl(const FormatSettings & settings, FormatState &, FormatStateStacked) const
{
const String & database = full_name.database;
const String & table_name = full_name.table_name;
const String & short_name = full_name.short_name;
settings.ostr << backQuoteIfNeed(short_name) << (settings.hilite ? hilite_keyword : "") << " ON "
<< (settings.hilite ? hilite_none : "") << (database.empty() ? String{} : backQuoteIfNeed(database) + ".")
<< backQuoteIfNeed(table_name);
formatOnCluster(settings);
}
void ASTRowPolicyName::replaceEmptyDatabase(const String & current_database)
{
if (full_name.database.empty())
full_name.database = current_database;
}
String ASTRowPolicyNames::tableOrAsterisk(const String & table_name) const
{
return table_name == RowPolicyName::ANY_TABLE_MARK ? "*" : backQuoteIfNeed(table_name);
}
void ASTRowPolicyNames::formatImpl(const FormatSettings & settings, FormatState &, FormatStateStacked) const
{
if (full_names.empty())
throw Exception(ErrorCodes::LOGICAL_ERROR, "No names of row policies in AST");
bool same_short_name = true;
if (full_names.size() > 1)
{
for (size_t i = 1; i != full_names.size(); ++i)
if (full_names[i].short_name != full_names[0].short_name)
{
same_short_name = false;
break;
}
}
bool same_db_and_table_name = true;
if (full_names.size() > 1)
{
for (size_t i = 1; i != full_names.size(); ++i)
if ((full_names[i].database != full_names[0].database) || (full_names[i].table_name != full_names[0].table_name))
{
same_db_and_table_name = false;
break;
}
}
if (same_short_name)
{
const String & short_name = full_names[0].short_name;
settings.ostr << backQuoteIfNeed(short_name) << (settings.hilite ? hilite_keyword : "") << " ON "
<< (settings.hilite ? hilite_none : "");
bool need_comma = false;
for (const auto & full_name : full_names)
{
if (std::exchange(need_comma, true))
settings.ostr << ", ";
const String & database = full_name.database;
const String & table_name = full_name.table_name;
if (!database.empty())
settings.ostr << backQuoteIfNeed(database) + ".";
settings.ostr << tableOrAsterisk(table_name);
}
}
else if (same_db_and_table_name)
{
bool need_comma = false;
for (const auto & full_name : full_names)
{
if (std::exchange(need_comma, true))
settings.ostr << ", ";
const String & short_name = full_name.short_name;
settings.ostr << backQuoteIfNeed(short_name);
}
const String & database = full_names[0].database;
const String & table_name = full_names[0].table_name;
settings.ostr << (settings.hilite ? hilite_keyword : "") << " ON " << (settings.hilite ? hilite_none : "");
if (!database.empty())
settings.ostr << backQuoteIfNeed(database) + ".";
settings.ostr << tableOrAsterisk(table_name);
}
else
{
bool need_comma = false;
for (const auto & full_name : full_names)
{
if (std::exchange(need_comma, true))
settings.ostr << ", ";
const String & short_name = full_name.short_name;
const String & database = full_name.database;
const String & table_name = full_name.table_name;
settings.ostr << backQuoteIfNeed(short_name) << (settings.hilite ? hilite_keyword : "") << " ON "
<< (settings.hilite ? hilite_none : "");
if (!database.empty())
settings.ostr << backQuoteIfNeed(database) + ".";
settings.ostr << tableOrAsterisk(table_name);
}
}
formatOnCluster(settings);
}
Strings ASTRowPolicyNames::toStrings() const
{
Strings res;
res.reserve(full_names.size());
for (const auto & full_name : full_names)
res.emplace_back(full_name.toString());
return res;
}
void ASTRowPolicyNames::replaceEmptyDatabase(const String & current_database)
{
for (auto & full_name : full_names)
if (full_name.database.empty())
full_name.database = current_database;
}
}
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