org.apache.spark.sql.execution.streaming.state
StateStoreProvider
Companion trait StateStoreProvider
object StateStoreProvider
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def
create(providerClassName: String): StateStoreProvider
Return a instance of the given provider class name.
Return a instance of the given provider class name. The instance will not be initialized.
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def
createAndInit(providerId: StateStoreProviderId, keySchema: StructType, valueSchema: StructType, numColsPrefixKey: Int, storeConf: StateStoreConf, hadoopConf: Configuration): StateStoreProvider
Return a instance of the required provider, initialized with the given configurations.
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def
validateStateRowFormat(keyRow: UnsafeRow, keySchema: StructType, valueRow: UnsafeRow, valueSchema: StructType, conf: StateStoreConf): Unit
Use the expected schema to check whether the UnsafeRow is valid.
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