Class foreign_storage::ForeignTableSchema¶
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class
ForeignTableSchema¶ Public Functions
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ForeignTableSchema(const int32_t db_id, const ForeignTable *foreign_table)¶
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const ColumnDescriptor *
getColumnDescriptor(const int column_id) const¶ Gets a pointer to the column descriptor object for the given column id.
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const ColumnDescriptor *
getLogicalColumn(const int column_id) const¶ Gets the logical column that is associated with the given column id. Given column id can be for a physical column or logical column (in this case, the column descriptor for the same column is returned)
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int
getParquetColumnIndex(const int column_id) const¶ Gets the Parquet column index that corresponds to the given column id.
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const std::list<const ColumnDescriptor *> &
getLogicalAndPhysicalColumns() const¶ Gets all the logical and physical columns for the foreign table.
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int
numLogicalAndPhysicalColumns() const¶ Gets the total number of logical and physical columns for the foreign table.
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const std::list<const ColumnDescriptor *> &
getLogicalColumns() const¶ Gets all the logical columns for the foreign table.
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int
numLogicalColumns() const¶ Gets the total number of logical columns for the foreign table.
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const ForeignTable *
getForeignTable() const¶
Private Functions
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std::vector<int>::const_iterator
getLogicalColumnIdIterator(const int column_id) const¶
Private Members
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std::list<const ColumnDescriptor *>
logical_and_physical_columns_¶
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std::list<const ColumnDescriptor *>
logical_columns_¶
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std::vector<int>
logical_column_ids_¶
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const ForeignTable *
foreign_table_¶
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