| 1 | #include "duckdb/storage/table/table_index_list.hpp" |
|---|---|
| 2 | #include "duckdb/storage/data_table.hpp" |
| 3 | #include "duckdb/common/types/conflict_manager.hpp" |
| 4 | #include "duckdb/execution/index/art/art.hpp" |
| 5 | |
| 6 | namespace duckdb { |
| 7 | void TableIndexList::AddIndex(unique_ptr<Index> index) { |
| 8 | D_ASSERT(index); |
| 9 | lock_guard<mutex> lock(indexes_lock); |
| 10 | indexes.push_back(x: std::move(index)); |
| 11 | } |
| 12 | |
| 13 | void TableIndexList::RemoveIndex(Index &index) { |
| 14 | lock_guard<mutex> lock(indexes_lock); |
| 15 | |
| 16 | for (idx_t index_idx = 0; index_idx < indexes.size(); index_idx++) { |
| 17 | auto &index_entry = indexes[index_idx]; |
| 18 | if (index_entry.get() == &index) { |
| 19 | indexes.erase(position: indexes.begin() + index_idx); |
| 20 | break; |
| 21 | } |
| 22 | } |
| 23 | } |
| 24 | |
| 25 | bool TableIndexList::Empty() { |
| 26 | lock_guard<mutex> lock(indexes_lock); |
| 27 | return indexes.empty(); |
| 28 | } |
| 29 | |
| 30 | idx_t TableIndexList::Count() { |
| 31 | lock_guard<mutex> lock(indexes_lock); |
| 32 | return indexes.size(); |
| 33 | } |
| 34 | |
| 35 | void TableIndexList::Move(TableIndexList &other) { |
| 36 | D_ASSERT(indexes.empty()); |
| 37 | indexes = std::move(other.indexes); |
| 38 | } |
| 39 | |
| 40 | Index *TableIndexList::FindForeignKeyIndex(const vector<PhysicalIndex> &fk_keys, ForeignKeyType fk_type) { |
| 41 | Index *result = nullptr; |
| 42 | Scan(callback: [&](Index &index) { |
| 43 | if (DataTable::IsForeignKeyIndex(fk_keys, index, fk_type)) { |
| 44 | result = &index; |
| 45 | } |
| 46 | return false; |
| 47 | }); |
| 48 | return result; |
| 49 | } |
| 50 | |
| 51 | void TableIndexList::VerifyForeignKey(const vector<PhysicalIndex> &fk_keys, DataChunk &chunk, |
| 52 | ConflictManager &conflict_manager) { |
| 53 | auto fk_type = conflict_manager.LookupType() == VerifyExistenceType::APPEND_FK |
| 54 | ? ForeignKeyType::FK_TYPE_PRIMARY_KEY_TABLE |
| 55 | : ForeignKeyType::FK_TYPE_FOREIGN_KEY_TABLE; |
| 56 | |
| 57 | // check whether or not the chunk can be inserted or deleted into the referenced table' storage |
| 58 | auto index = FindForeignKeyIndex(fk_keys, fk_type); |
| 59 | if (!index) { |
| 60 | throw InternalException("Internal Foreign Key error: could not find index to verify..."); |
| 61 | } |
| 62 | conflict_manager.SetIndexCount(1); |
| 63 | index->CheckConstraintsForChunk(input&: chunk, conflict_manager); |
| 64 | } |
| 65 | |
| 66 | vector<column_t> TableIndexList::GetRequiredColumns() { |
| 67 | lock_guard<mutex> lock(indexes_lock); |
| 68 | set<column_t> unique_indexes; |
| 69 | for (auto &index : indexes) { |
| 70 | for (auto col_index : index->column_ids) { |
| 71 | unique_indexes.insert(x: col_index); |
| 72 | } |
| 73 | } |
| 74 | vector<column_t> result; |
| 75 | result.reserve(n: unique_indexes.size()); |
| 76 | for (auto column_index : unique_indexes) { |
| 77 | result.emplace_back(args&: column_index); |
| 78 | } |
| 79 | return result; |
| 80 | } |
| 81 | |
| 82 | vector<BlockPointer> TableIndexList::SerializeIndexes(duckdb::MetaBlockWriter &writer) { |
| 83 | vector<BlockPointer> blocks_info; |
| 84 | for (auto &index : indexes) { |
| 85 | blocks_info.emplace_back(args: index->Serialize(writer)); |
| 86 | } |
| 87 | return blocks_info; |
| 88 | } |
| 89 | |
| 90 | } // namespace duckdb |
| 91 |