Uses of Class
com.lancedb.lance.spark.utils.Optional

Packages that use Optional

Package	Description
com.lancedb.lance.spark.internal
com.lancedb.lance.spark.read
com.lancedb.lance.spark.utils

Uses of Optional in com.lancedb.lance.spark.internal

Methods in com.lancedb.lance.spark.internal that return Optional

Modifier and Type	Method and Description
static Optional<Long>	LanceDatasetAdapter.getDatasetDataSize(LanceConfig config)
static Optional<Long>	LanceDatasetAdapter.getDatasetRowCount(LanceConfig config)
static Optional<org.apache.spark.sql.types.StructType>	LanceDatasetAdapter.getSchema(LanceConfig config)
static Optional<org.apache.spark.sql.types.StructType>	LanceDatasetAdapter.getSchema(String datasetUri)

Uses of Optional in com.lancedb.lance.spark.read

Methods in com.lancedb.lance.spark.read that return Optional

Modifier and Type	Method and Description
static Optional<String>	FilterPushDown.compileFiltersToSqlWhereClause(org.apache.spark.sql.sources.Filter[] filters) Create SQL 'where clause' from Spark filters.
Optional<Integer>	LanceInputPartition.getLimit()
Optional<Integer>	LanceInputPartition.getOffset()
Optional<List<ColumnOrdering>>	LanceInputPartition.getTopNSortOrders()
Optional<String>	LanceInputPartition.getWhereCondition()

Constructors in com.lancedb.lance.spark.read with parameters of type Optional

Constructor and Description
LanceInputPartition(org.apache.spark.sql.types.StructType schema, int partitionId, LanceSplit lanceSplit, LanceConfig config, Optional<String> whereCondition)
LanceInputPartition(org.apache.spark.sql.types.StructType schema, int partitionId, LanceSplit lanceSplit, LanceConfig config, Optional<String> whereCondition, Optional<Integer> limit, Optional<Integer> offset)
LanceInputPartition(org.apache.spark.sql.types.StructType schema, int partitionId, LanceSplit lanceSplit, LanceConfig config, Optional<String> whereCondition, Optional<Integer> limit, Optional<Integer> offset)
LanceInputPartition(org.apache.spark.sql.types.StructType schema, int partitionId, LanceSplit lanceSplit, LanceConfig config, Optional<String> whereCondition, Optional<Integer> limit, Optional<Integer> offset)
LanceInputPartition(org.apache.spark.sql.types.StructType schema, int partitionId, LanceSplit lanceSplit, LanceConfig config, Optional<String> whereCondition, Optional<Integer> limit, Optional<Integer> offset, Optional<List<ColumnOrdering>> topNSortOrders)
LanceInputPartition(org.apache.spark.sql.types.StructType schema, int partitionId, LanceSplit lanceSplit, LanceConfig config, Optional<String> whereCondition, Optional<Integer> limit, Optional<Integer> offset, Optional<List<ColumnOrdering>> topNSortOrders)
LanceInputPartition(org.apache.spark.sql.types.StructType schema, int partitionId, LanceSplit lanceSplit, LanceConfig config, Optional<String> whereCondition, Optional<Integer> limit, Optional<Integer> offset, Optional<List<ColumnOrdering>> topNSortOrders)
LanceInputPartition(org.apache.spark.sql.types.StructType schema, int partitionId, LanceSplit lanceSplit, LanceConfig config, Optional<String> whereCondition, Optional<Integer> limit, Optional<Integer> offset, Optional<List<ColumnOrdering>> topNSortOrders)
LanceScan(org.apache.spark.sql.types.StructType schema, LanceConfig config, Optional<String> whereConditions, Optional<Integer> limit, Optional<Integer> offset, Optional<List<ColumnOrdering>> topNSortOrders)
LanceScan(org.apache.spark.sql.types.StructType schema, LanceConfig config, Optional<String> whereConditions, Optional<Integer> limit, Optional<Integer> offset, Optional<List<ColumnOrdering>> topNSortOrders)
LanceScan(org.apache.spark.sql.types.StructType schema, LanceConfig config, Optional<String> whereConditions, Optional<Integer> limit, Optional<Integer> offset, Optional<List<ColumnOrdering>> topNSortOrders)
LanceScan(org.apache.spark.sql.types.StructType schema, LanceConfig config, Optional<String> whereConditions, Optional<Integer> limit, Optional<Integer> offset, Optional<List<ColumnOrdering>> topNSortOrders)

Uses of Optional in com.lancedb.lance.spark.utils

Methods in com.lancedb.lance.spark.utils that return Optional

Modifier and Type	Method and Description
static <T> Optional<T>	Optional.empty()
static <T> Optional<T>	Optional.of(T value)
static <T> Optional<T>	Optional.ofNullable(T value)