#include #include #include #include #include #include #include #include namespace DB { namespace ErrorCodes { extern const int UNKNOWN_BLOCK_INFO_FIELD; } /// Write values in binary form. NOTE: You could use protobuf, but it would be overkill for this case. void BlockInfo::write(WriteBuffer & out) const { /// Set of pairs `FIELD_NUM`, value in binary form. Then 0. #define WRITE_FIELD(TYPE, NAME, DEFAULT, FIELD_NUM) \ writeVarUInt(FIELD_NUM, out); \ writeBinary(NAME, out); APPLY_FOR_BLOCK_INFO_FIELDS(WRITE_FIELD); #undef WRITE_FIELD writeVarUInt(0, out); } /// Read values in binary form. void BlockInfo::read(ReadBuffer & in) { UInt64 field_num = 0; while (true) { readVarUInt(field_num, in); if (field_num == 0) break; switch (field_num) { #define READ_FIELD(TYPE, NAME, DEFAULT, FIELD_NUM) \ case FIELD_NUM: \ readBinary(NAME, in); \ break; APPLY_FOR_BLOCK_INFO_FIELDS(READ_FIELD); #undef READ_FIELD default: throw Exception("Unknown BlockInfo field number: " + toString(field_num), ErrorCodes::UNKNOWN_BLOCK_INFO_FIELD); } } } void BlockDelayedDefaults::setBit(size_t column_idx, size_t row_idx) { BitMask & mask = columns_defaults[column_idx]; mask.resize(row_idx + 1); mask[row_idx] = true; } const BlockDelayedDefaults::BitMask & BlockDelayedDefaults::getColumnBitmask(size_t column_idx) const { static BitMask none; auto it = columns_defaults.find(column_idx); if (it != columns_defaults.end()) return it->second; return none; } }