| 46 | |
| 47 | |
| 48 | class KeywordsTableScan final : public VirtualTableScan |
| 49 | { |
| 50 | public: |
| 51 | KeywordsTableScan(CompilerScratch* csb, const Firebird::string& alias, |
| 52 | StreamType stream, jrd_rel* relation) |
| 53 | : VirtualTableScan(csb, alias, stream, relation) |
| 54 | { |
| 55 | impureOffset = csb->allocImpure<Impure>(); |
| 56 | } |
| 57 | |
| 58 | void close(thread_db* tdbb) const override; |
| 59 | |
| 60 | protected: |
| 61 | const Format* getFormat(thread_db* tdbb, jrd_rel* relation) const override; |
| 62 | |
| 63 | bool retrieveRecord(thread_db* tdbb, jrd_rel* relation, FB_UINT64 position, |
| 64 | Record* record) const override; |
| 65 | |
| 66 | private: |
| 67 | struct Impure |
| 68 | { |
| 69 | KeywordsTable* table; |
| 70 | }; |
| 71 | |
| 72 | RecordBuffer* getRecords(thread_db* tdbb, jrd_rel* relation) const; |
| 73 | |
| 74 | ULONG impureOffset; |
| 75 | }; |
| 76 | |
| 77 | } // namespace Jrd |
| 78 | |