foreign_storage::ForeignTableSchema Class Reference

#include <ForeignTableSchema.h>

Collaboration diagram for foreign_storage::ForeignTableSchema:

Public Member Functions
	ForeignTableSchema (const int32_t db_id, const ForeignTable *foreign_table)
const ColumnDescriptor *	getColumnDescriptor (const int column_id) const
const ColumnDescriptor *	getLogicalColumn (const int column_id) const
int	getParquetColumnIndex (const int column_id) const
const std::list< const ColumnDescriptor * > &	getLogicalAndPhysicalColumns () const
int	numLogicalAndPhysicalColumns () const
const std::list< const ColumnDescriptor * > &	getLogicalColumns () const
int	numLogicalColumns () const
const ForeignTable *	getForeignTable () const

Private Member Functions
std::vector< int >::const_iterator	getLogicalColumnIdIterator (const int column_id) const

Private Attributes
std::list< const ColumnDescriptor * >	logical_and_physical_columns_
std::list< const ColumnDescriptor * >	logical_columns_
std::vector< int >	logical_column_ids_
const ForeignTable *	foreign_table_
std::shared_ptr < Catalog_Namespace::Catalog >	catalog_

Detailed Description

Definition at line 26 of file ForeignTableSchema.h.

Constructor & Destructor Documentation

foreign_storage::ForeignTableSchema::ForeignTableSchema	(	const int32_t	db_id,
		const ForeignTable *	foreign_table
	)

Definition at line 21 of file ForeignTableSchema.cpp.

References catalog_, CHECK, foreign_table_, Catalog_Namespace::SysCatalog::getCatalog(), Catalog_Namespace::SysCatalog::instance(), logical_and_physical_columns_, logical_column_ids_, logical_columns_, and TableDescriptor::tableId.

                                                                          {
  catalog_ = Catalog_Namespace::SysCatalog::instance().getCatalog(db_id);
  CHECK(catalog_);
  foreign_table_ = foreign_table;
  logical_and_physical_columns_ =
      catalog_->getAllColumnMetadataForTable(foreign_table->tableId, false, false, true);
  logical_columns_ =
      catalog_->getAllColumnMetadataForTable(foreign_table->tableId, false, false, false);

  for (const auto column : logical_columns_) {
    logical_column_ids_.emplace_back(column->columnId);
  }
}

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Member Function Documentation

const ColumnDescriptor * foreign_storage::ForeignTableSchema::getColumnDescriptor

(

const int

column_id

)

const

Gets a pointer to the column descriptor object for the given column id.

Definition at line 36 of file ForeignTableSchema.cpp.

References catalog_, CHECK, foreign_table_, and TableDescriptor::tableId.

Referenced by getLogicalColumn(), foreign_storage::LazyParquetChunkLoader::loadRowGroups(), foreign_storage::anonymous_namespace{LazyParquetChunkLoader.cpp}::metadata_scan_rowgroup_interval(), foreign_storage::anonymous_namespace{LazyParquetChunkLoader.cpp}::populate_encoder_map_for_import(), and foreign_storage::anonymous_namespace{LazyParquetChunkLoader.cpp}::populate_encoder_map_for_metadata_scan().

                               {
  auto column = catalog_->getMetadataForColumn(foreign_table_->tableId, column_id);
  CHECK(column);
  return column;
}

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const ForeignTable * foreign_storage::ForeignTableSchema::getForeignTable

(

)

const

Definition at line 73 of file ForeignTableSchema.cpp.

References foreign_table_.

Referenced by foreign_storage::LazyParquetChunkLoader::metadataScan().

                                                              {
  return foreign_table_;
}

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const std::list< const ColumnDescriptor * > & foreign_storage::ForeignTableSchema::getLogicalAndPhysicalColumns

(

)

const

Gets all the logical and physical columns for the foreign table.

Definition at line 57 of file ForeignTableSchema.cpp.

References logical_and_physical_columns_.

Referenced by foreign_storage::ParquetImportBatchResult::getChunksAndDictionaries(), foreign_storage::anonymous_namespace{LazyParquetChunkLoader.cpp}::metadata_scan_rowgroup_interval(), foreign_storage::LazyParquetChunkLoader::metadataScan(), and foreign_storage::ParquetImportBatchResult::ParquetImportBatchResult().

                                                       {
  return logical_and_physical_columns_;
}

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const ColumnDescriptor * foreign_storage::ForeignTableSchema::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)

Definition at line 43 of file ForeignTableSchema.cpp.

References CHECK_LE, getColumnDescriptor(), and getLogicalColumnIdIterator().

Referenced by foreign_storage::anonymous_namespace{LazyParquetChunkLoader.cpp}::metadata_scan_rowgroup_interval().

                                                                                      {
  auto logical_column_id = *getLogicalColumnIdIterator(column_id);
  CHECK_LE(logical_column_id, column_id);
  return getColumnDescriptor(logical_column_id);
}

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std::vector< int >::const_iterator foreign_storage::ForeignTableSchema::getLogicalColumnIdIterator ( const int  column_id ) const

private

Definition at line 77 of file ForeignTableSchema.cpp.

References CHECK, logical_column_ids_, and gpu_enabled::upper_bound().

Referenced by getLogicalColumn(), and getParquetColumnIndex().

                               {
  auto it =
      std::upper_bound(logical_column_ids_.begin(), logical_column_ids_.end(), column_id);
  CHECK(it != logical_column_ids_.begin());
  it--;
  return it;
}

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const std::list< const ColumnDescriptor * > & foreign_storage::ForeignTableSchema::getLogicalColumns

(

)

const

Gets all the logical columns for the foreign table.

Definition at line 65 of file ForeignTableSchema.cpp.

References logical_columns_.

Referenced by foreign_storage::LazyParquetChunkLoader::loadRowGroups(), foreign_storage::InternalSystemDataWrapper::populateChunkMetadata(), and foreign_storage::anonymous_namespace{LazyParquetChunkLoader.cpp}::validate_column_mapping_and_row_group_metadata().

                                                                                    {
  return logical_columns_;
}

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int foreign_storage::ForeignTableSchema::getParquetColumnIndex

(

const int

column_id

)

const

Gets the Parquet column index that corresponds to the given column id.

Definition at line 49 of file ForeignTableSchema.cpp.

References CHECK_GE, getLogicalColumnIdIterator(), and logical_column_ids_.

Referenced by foreign_storage::LazyParquetChunkLoader::loadRowGroups(), foreign_storage::anonymous_namespace{LazyParquetChunkLoader.cpp}::metadata_scan_rowgroup_interval(), foreign_storage::anonymous_namespace{LazyParquetChunkLoader.cpp}::populate_encoder_map_for_import(), and foreign_storage::anonymous_namespace{LazyParquetChunkLoader.cpp}::populate_encoder_map_for_metadata_scan().

                                                                       {
  auto column_index =
      std::distance(logical_column_ids_.begin(), getLogicalColumnIdIterator(column_id));
  CHECK_GE(column_index, 0);
  return column_index;
}

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int foreign_storage::ForeignTableSchema::numLogicalAndPhysicalColumns

(

)

const

Gets the total number of logical and physical columns for the foreign table.

Definition at line 61 of file ForeignTableSchema.cpp.

References logical_and_physical_columns_.

                                                           {
  return logical_and_physical_columns_.size();
}

int foreign_storage::ForeignTableSchema::numLogicalColumns

(

)

const

Gets the total number of logical columns for the foreign table.

Definition at line 69 of file ForeignTableSchema.cpp.

References logical_columns_.

Referenced by foreign_storage::anonymous_namespace{LazyParquetChunkLoader.cpp}::validate_number_of_columns().

                                                {
  return logical_columns_.size();
}

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Member Data Documentation

std::shared_ptr<Catalog_Namespace::Catalog> foreign_storage::ForeignTableSchema::catalog_

private

Definition at line 77 of file ForeignTableSchema.h.

Referenced by ForeignTableSchema(), and getColumnDescriptor().

const ForeignTable* foreign_storage::ForeignTableSchema::foreign_table_

private

Definition at line 76 of file ForeignTableSchema.h.

Referenced by ForeignTableSchema(), getColumnDescriptor(), and getForeignTable().

std::list<const ColumnDescriptor*> foreign_storage::ForeignTableSchema::logical_and_physical_columns_

private

Definition at line 73 of file ForeignTableSchema.h.

Referenced by ForeignTableSchema(), getLogicalAndPhysicalColumns(), and numLogicalAndPhysicalColumns().

std::vector<int> foreign_storage::ForeignTableSchema::logical_column_ids_

private

Definition at line 75 of file ForeignTableSchema.h.

Referenced by ForeignTableSchema(), getLogicalColumnIdIterator(), and getParquetColumnIndex().

std::list<const ColumnDescriptor*> foreign_storage::ForeignTableSchema::logical_columns_

private

Definition at line 74 of file ForeignTableSchema.h.

Referenced by ForeignTableSchema(), getLogicalColumns(), and numLogicalColumns().

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The documentation for this class was generated from the following files:

• /home/jenkins-slave/workspace/core-os-doxygen/DataMgr/ForeignStorage/ForeignTableSchema.h
• /home/jenkins-slave/workspace/core-os-doxygen/DataMgr/ForeignStorage/ForeignTableSchema.cpp