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#include <Storages/MergeTree/DropPartsRanges.h>
namespace DB
{
namespace ErrorCodes
{
extern const int LOGICAL_ERROR;
}
bool DropPartsRanges::isAffectedByDropPart(const std::string & new_part_name, std::string & postpone_reason) const
{
if (new_part_name.empty())
return false;
MergeTreePartInfo entry_info = MergeTreePartInfo::fromPartName(new_part_name, format_version);
for (const auto & [znode, drop_range] : drop_ranges)
{
if (!drop_range.isDisjoint(entry_info))
{
postpone_reason = fmt::format("Has DROP_PART affecting entry {} producing part {}. "
"Will postpone it's execution.",
drop_range.getPartNameForLogs(), new_part_name);
return true;
}
}
return false;
}
bool DropPartsRanges::isAffectedByDropPart(const ReplicatedMergeTreeLogEntry & entry, std::string & postpone_reason) const
{
return isAffectedByDropPart(entry.new_part_name, postpone_reason);
}
void DropPartsRanges::addDropPart(const ReplicatedMergeTreeLogEntryPtr & entry)
{
if (entry->type != ReplicatedMergeTreeLogEntry::DROP_PART)
throw Exception(ErrorCodes::LOGICAL_ERROR, "Trying to add entry of type {} to drop ranges, expected DROP_RANGE",
entry->typeToString());
MergeTreePartInfo entry_info = MergeTreePartInfo::fromPartName(*entry->getDropRange(format_version), format_version);
drop_ranges.emplace(entry->znode_name, entry_info);
}
void DropPartsRanges::removeDropPart(const ReplicatedMergeTreeLogEntryPtr & entry)
{
if (entry->type != ReplicatedMergeTreeLogEntry::DROP_PART)
throw Exception(ErrorCodes::LOGICAL_ERROR,
"Trying to remove entry of type {} from drop ranges, expected DROP_RANGE",
entry->typeToString());
auto it = drop_ranges.find(entry->znode_name);
assert(it != drop_ranges.end());
drop_ranges.erase(it);
}
bool DropPartsRanges::hasDropPart(const MergeTreePartInfo & new_drop_range_info, MergeTreePartInfo * out_drop_range_info) const
{
for (const auto & [_, drop_range] : drop_ranges)
{
if (drop_range.contains(new_drop_range_info))
{
if (out_drop_range_info)
*out_drop_range_info = drop_range;
return true;
}
}
return false;
}
}
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