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SourceCatalog

laminar_db

Struct SourceCatalog 

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pub struct SourceCatalog { /* private fields */ }
Expand description

Catalog of registered sources, sinks, streams, and queries.

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impl SourceCatalog

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pub fn new(buffer_size: usize, backpressure: BackpressureStrategy) -> Self

Create a new empty catalog.

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pub fn get_source(&self, name: &str) -> Option<Arc<SourceEntry>>

Get a registered source by name.

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pub fn drop_source(&self, name: &str) -> bool

Remove a source by name.

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pub fn drop_sink(&self, name: &str) -> bool

Remove a sink by name.

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pub fn drop_stream(&self, name: &str) -> bool

Remove a stream by name.

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pub fn list_streams(&self) -> Vec<String>

List all stream names.

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pub fn list_sources(&self) -> Vec<String>

List all source names.

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pub fn list_sinks(&self) -> Vec<String>

List all sink names.

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pub fn get_sink_input(&self, name: &str) -> Option<String>

Get the input name for a registered sink.

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pub fn describe_source(&self, name: &str) -> Option<SchemaRef>

Get source schema for DESCRIBE.

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impl<T> Any for T
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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> ArchivePointee for T

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type ArchivedMetadata = ()

The archived version of the pointer metadata for this type.
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fn pointer_metadata( _: &<T as ArchivePointee>::ArchivedMetadata, ) -> <T as Pointee>::Metadata

Converts some archived metadata to the pointer metadata for itself.
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fn type_name(&self) -> &'static str

Convenient wrapper for std::any::type_name, since Any does not provide it and Any::type_id is useless as a debugging aid (its Debug is just a mess of hex digits).
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