PostgresInstanceStorage

Struct PostgresInstanceStorage 

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pub struct PostgresInstanceStorage<'a> { /* private fields */ }
Expand description

A CopyTarget for Postgres.

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impl BaseCopyTarget for PostgresInstanceStorage<'_>

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async fn supported_data_format(&self) -> Result<Vec<DataFormat>>

Which data format is supported by this destination/source.
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impl<'a> CopyDestinationFactory<'a> for PostgresInstanceStorage<'a>

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type SequentialDestination = SequentialSafePostgresInstanceCopyDestinationStorage<'a>

The implementation type when dealing with single-threaded workloads. The can optionally support multi-threading, but it is not needed.
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type ParallelDestination = ParallelSafePostgresInstanceCopyDestinationStorage<'a>

The implementation type when dealing with multithreaded workloads. This type has to support multi-threading.
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async fn create_destination( &'a mut self, ) -> Result<SequentialOrParallel<Self::SequentialDestination, Self::ParallelDestination>>

Should create whatever type is needed to be able to write data to the destination.
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async fn create_sequential_destination( &'a mut self, ) -> Result<Self::SequentialDestination>

Should create a destination that works with single threaded writing.
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fn supported_parallelism(&self) -> SupportedParallelism

Should return what kind of parallelism is supported by the destination. This is used for negotiation with the source.
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impl<'a> CopySourceFactory for PostgresInstanceStorage<'a>

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type SequentialSource = SequentialSafePostgresInstanceCopySourceStorage<'a>

A type that can be used to read data from the source. This type has to support single threaded reading, but can support multiple threads reading at the same time.
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type ParallelSource = ParallelSafePostgresInstanceCopySourceStorage<'a>

A type that can be used to read data from the source. This type has to support multiple threads reading at the same time.
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async fn create_source( &self, ) -> Result<SequentialOrParallel<Self::SequentialSource, Self::ParallelSource>>

Should create whatever type is needed to be able to read data from the source.
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async fn create_sequential_source(&self) -> Result<Self::SequentialSource>

Should create a datasource that works with single threaded reading.
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fn supported_parallelism(&self) -> SupportedParallelism

Should return what kind of parallelism is supported by the source. This is used for negotiation with the destination.

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