object StateStoreColumnFamilySchemaUtils
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- def convertForRangeScan(schema: StructType, ordinals: Seq[Int] = Seq.empty): StructType
Avro uses zig-zag encoding for some fixed-length types, like Longs and Ints.
Avro uses zig-zag encoding for some fixed-length types, like Longs and Ints. For range scans we want to use big-endian encoding, so we need to convert the source schema to replace these types with BinaryType.
- schema
The schema to convert
- ordinals
If non-empty, only convert fields at these ordinals. If empty, convert all fields.
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- def getListStateSchema[T](stateName: String, keyEncoder: ExpressionEncoder[Any], valEncoder: Encoder[T], hasTtl: Boolean): Map[String, StateStoreColFamilySchema]
- def getMapStateSchema[K, V](stateName: String, keyEncoder: ExpressionEncoder[Any], userKeyEnc: Encoder[K], valEncoder: Encoder[V], hasTtl: Boolean): Map[String, StateStoreColFamilySchema]
- def getSecIndexTimerStateSchema(stateName: String, keySchema: StructType, valSchema: StructType): StateStoreColFamilySchema
- def getTimerStateSchema(stateName: String, keySchema: StructType, valSchema: StructType): StateStoreColFamilySchema
- def getTtlColFamilyName(stateName: String): String
- def getValueStateSchema[T](stateName: String, keyEncoder: ExpressionEncoder[Any], valEncoder: Encoder[T], hasTtl: Boolean): Map[String, StateStoreColFamilySchema]
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(Since version 9)