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common.destination.capabilities

LoaderFileFormatAdapter Objects​

class LoaderFileFormatAdapter(Protocol)

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Callback protocol for loader_file_format_adapter capability.

DestinationCapabilitiesContext Objects​

@configspec
class DestinationCapabilitiesContext(ContainerInjectableContext)

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Injectable destination capabilities required for many Pipeline stages ie. normalize

loader_file_format_adapter​

Callable that adapts preferred_loader_file_format and supported_loader_file_formats at runtime.

supported_table_formats​

type: ignore[name-defined] # noqa: F821

Recommended file size in bytes when writing extract/load files

escape_identifier​

Escapes table name, column name and other identifiers

escape_literal​

Escapes string literal

casefold_identifier​

Casing function applied by destination to represent case insensitive identifiers.

has_case_sensitive_identifiers​

Tells if destination supports case sensitive identifiers

supports_clone_table​

Destination supports CREATE TABLE ... CLONE ... statements

max_table_nesting​

Allows a destination to overwrite max_table_nesting from source

supported_merge_strategies​

type: ignore[name-defined] # noqa: F821

max_parallel_load_jobs​

The destination can set the maxium amount of parallel load jobs being executed

loader_parallelism_strategy​

The destination can override the parallelism strategy

generates_case_sensitive_identifiers​

def generates_case_sensitive_identifiers() -> bool

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Tells if capabilities as currently adjusted, will generate case sensitive identifiers

merge_caps_file_formats​

def merge_caps_file_formats(
    destination: str, staging: str, dest_caps: DestinationCapabilitiesContext,
    stage_caps: DestinationCapabilitiesContext
) -> Tuple[TLoaderFileFormat, Sequence[TLoaderFileFormat]]

[view_source]

Merges preferred and supported file formats from destination and staging. Returns new preferred file format and all possible formats.

This demo works on codespaces. Codespaces is a development environment available for free to anyone with a Github account. You'll be asked to fork the demo repository and from there the README guides you with further steps.
The demo uses the Continue VSCode extension.

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