Uses of Class
com.lancedb.lance.Dataset

Packages that use Dataset

Package	Description
com.lancedb.lance
com.lancedb.lance.compaction
com.lancedb.lance.ipc
com.lancedb.lance.merge

Uses of Dataset in com.lancedb.lance

Methods in com.lancedb.lance that return Dataset

Modifier and Type	Method and Description
Dataset	Dataset.checkout(Ref ref) Checkout using a unified Ref which can be a tag, the latest version on main/branch or a specified (branch_name, version_number).
Dataset	Dataset.checkoutTag(String tag) Checks out a specific tag of the dataset.
Dataset	Dataset.checkoutVersion(long version) Checks out a specific version of the dataset.
Dataset	Transaction.commit()
static Dataset	Dataset.commit(org.apache.arrow.memory.BufferAllocator allocator, String path, FragmentOperation operation, Optional<Long> readVersion) Deprecated.
static Dataset	Dataset.commit(org.apache.arrow.memory.BufferAllocator allocator, String path, FragmentOperation operation, Optional<Long> readVersion, Map<String,String> storageOptions) Deprecated.
abstract Dataset	FragmentOperation.commit(org.apache.arrow.memory.BufferAllocator allocator, String path, Optional<Long> readVersion, Map<String,String> storageOptions) Deprecated.
Dataset	FragmentOperation.Append.commit(org.apache.arrow.memory.BufferAllocator allocator, String path, Optional<Long> readVersion, Map<String,String> storageOptions)
Dataset	FragmentOperation.Overwrite.commit(org.apache.arrow.memory.BufferAllocator allocator, String path, Optional<Long> readVersion, Map<String,String> storageOptions)
static Dataset	Dataset.commitAppend(String path, Optional<Long> readVersion, List<FragmentMetadata> fragmentsMetadata, Map<String,String> storageOptions) Deprecated.
static Dataset	Dataset.commitOverwrite(String path, long arrowSchemaMemoryAddress, Optional<Long> readVersion, List<FragmentMetadata> fragmentsMetadata, Map<String,String> storageOptions) Deprecated.
Dataset	Dataset.commitTransaction(Transaction transaction) Commit a single transaction and return a new Dataset with the new version.
static Dataset	Dataset.create(org.apache.arrow.memory.BufferAllocator allocator, org.apache.arrow.c.ArrowArrayStream stream, String path, WriteParams params) Create a dataset with given stream.
static Dataset	Dataset.create(org.apache.arrow.memory.BufferAllocator allocator, String path, org.apache.arrow.vector.types.pojo.Schema schema, WriteParams params) Creates an empty dataset.
Dataset	Dataset.Branches.create(String branch, long versionNumber) Create a branch at a specified version.
Dataset	Dataset.Branches.create(String branchName, long versionNumber, String sourceBranch) Create a branch from a specific source branch and version.
Dataset	Dataset.Branches.create(String branchName, String sourceTag) Create a branch from a tag reference.
static Dataset	Dataset.open(org.apache.arrow.memory.BufferAllocator allocator, String path, ReadOptions options) Open a dataset from the specified path with additional options.
static Dataset	Dataset.open(String path) Open a dataset from the specified path.
static Dataset	Dataset.open(String path, org.apache.arrow.memory.BufferAllocator allocator) Open a dataset from the specified path.
static Dataset	Dataset.open(String path, ReadOptions options) Open a dataset from the specified path.
Dataset	Dataset.shallowClone(String targetPath, Ref ref)
Dataset	Dataset.shallowClone(String targetPath, Ref ref, Map<String,String> storageOptions) Shallow clone the specified tag into a new dataset at the target path.

Constructors in com.lancedb.lance with parameters of type Dataset

Constructor and Description
Builder(Dataset dataset)
Fragment(Dataset dataset, FragmentMetadata fragmentMetadata)
Fragment(Dataset dataset, int fragmentId)
SqlQuery(Dataset dataset, String sql)

Uses of Dataset in com.lancedb.lance.compaction

Methods in com.lancedb.lance.compaction with parameters of type Dataset

Modifier and Type	Method and Description
static CompactionMetrics	Compaction.commitCompaction(Dataset dataset, List<RewriteResult> rewriteResults, CompactionOptions compactionOptions)
RewriteResult	CompactionTask.execute(Dataset dataset)
static CompactionMetrics	Compaction.nativeCommitCompaction(Dataset dataset, List<RewriteResult> rewriteResults, Optional<Long> targetRowsPerFragment, Optional<Long> maxRowsPerGroup, Optional<Long> maxBytesPerFile, Optional<Boolean> materializeDeletions, Optional<Float> materializeDeletionsThreshold, Optional<Long> numThreads, Optional<Long> batchSize, Optional<Boolean> deferIndexRemap)
static CompactionPlan	Compaction.planCompaction(Dataset dataset, CompactionOptions compactionOptions)

Uses of Dataset in com.lancedb.lance.ipc

Methods in com.lancedb.lance.ipc with parameters of type Dataset

Modifier and Type	Method and Description
static LanceScanner	LanceScanner.create(Dataset dataset, ScanOptions options, org.apache.arrow.memory.BufferAllocator allocator) Create a Scanner.

Uses of Dataset in com.lancedb.lance.merge

Methods in com.lancedb.lance.merge that return Dataset

Modifier and Type	Method and Description
Dataset	MergeInsertResult.dataset()

Constructors in com.lancedb.lance.merge with parameters of type Dataset

Constructor and Description
MergeInsertResult(Dataset dataset, MergeInsertStats stats)