Class PersistentForeignStorageInterface¶
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class
PersistentForeignStorageInterface¶ Subclassed by ArrowForeignStorageBase, DummyPersistentForeignStorage
Public Functions
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virtual
~PersistentForeignStorageInterface()¶
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virtual void
append(const std::vector<ForeignStorageColumnBuffer> &column_buffers) = 0¶
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virtual void
read(const ChunkKey &chunk_key, const SQLTypeInfo &sql_type, int8_t *dest, const size_t num_bytes) = 0¶
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virtual int8_t *
tryZeroCopy(const ChunkKey &chunk_key, const SQLTypeInfo &sql_type, const size_t num_bytes)¶
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virtual void
prepareTable(const int, const std::string &type, TableDescriptor&, std::list<ColumnDescriptor>&)¶
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virtual void
registerTable(Catalog_Namespace::Catalog *catalog, std::pair<int, int> table_key, const std::string &type, const TableDescriptor &td, const std::list<ColumnDescriptor> &cols, Data_Namespace::AbstractBufferMgr *mgr) = 0¶
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virtual void
dropTable(const int db_id, const int table_id) = 0¶
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virtual std::string
getType() const = 0¶
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virtual