object DeletionVectorStore extends DeletionVectorStoreUtils
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- case class DVRangeDescriptor(offset: Int, length: Int, checksum: Int) extends Product with Serializable
Descriptor for a serialized Deletion Vector in a file.
Descriptor for a serialized Deletion Vector in a file.
- Definition Classes
- DeletionVectorStoreUtils
- trait Writer extends Closeable
- Definition Classes
- DeletionVectorStoreUtils
Value Members
- final def !=(arg0: Any): Boolean
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- final def ##: Int
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- final def ==(arg0: Any): Boolean
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- final val CHECKSUM_LEN: Int(4)
The length of a DV checksum.
The length of a DV checksum. See calculateChecksum().
- Definition Classes
- DeletionVectorStoreUtils
- final val DATA_SIZE_LEN: Int(4)
The size of the stored length of a DV.
The size of the stored length of a DV.
- Definition Classes
- DeletionVectorStoreUtils
- final val DV_FILE_FORMAT_VERSION_ID_V1: Byte
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- DeletionVectorStoreUtils
- final def asInstanceOf[T0]: T0
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- def assembleDeletionVectorPathWithFileSystem(targetParentPathWithFileSystem: PathWithFileSystem, id: UUID, prefix: String = ""): PathWithFileSystem
Same as
assembleDeletionVectorPath, but keeps the new path bundled with the fs.Same as
assembleDeletionVectorPath, but keeps the new path bundled with the fs.- Definition Classes
- DeletionVectorStoreUtils
- def calculateChecksum(data: Array[Byte]): Int
Calculate checksum of a serialized deletion vector.
Calculate checksum of a serialized deletion vector. We are using CRC32 which has 4bytes size, but CRC32 implementation conforms to Java Checksum interface which requires a long. However, the high-order bytes are zero, so here is safe to cast to Int. This will result in negative checksums, but this is not a problem because we only care about equality.
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- DeletionVectorStoreUtils
- def clone(): AnyRef
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- protected[lang]
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- def escapedStringToPath(path: String): Path
Convert the given String path to a Hadoop Path, Please make sure the path is escaped.
Convert the given String path to a Hadoop Path, Please make sure the path is escaped.
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- DeletionVectorStoreUtils
- def finalize(): Unit
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- def getTotalSizeOfDVFieldsInFile(bitmapDataSize: Int): Int
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- DeletionVectorStoreUtils
- def hashCode(): Int
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- def pathToEscapedString(path: Path): String
Convert the given Hadoop path to a String Path, handing special characters properly.
Convert the given Hadoop path to a String Path, handing special characters properly.
- Definition Classes
- DeletionVectorStoreUtils
- def readRangeFromStream(reader: DataInputStream, size: Int): Array[Byte]
Read a serialized deletion vector from a data stream.
Read a serialized deletion vector from a data stream.
- Definition Classes
- DeletionVectorStoreUtils
- final def synchronized[T0](arg0: => T0): T0
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- def toString(): String
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- def unescapedStringToPath(path: String): Path
Convert the given String path to a Hadoop Path.
Convert the given String path to a Hadoop Path. Please make sure the path is not escaped.
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- DeletionVectorStoreUtils
- final def wait(): Unit
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- final def wait(arg0: Long, arg1: Int): Unit
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