FunctionCatalog¶
FunctionCatalog
is an extension of the CatalogPlugin abstraction for function catalogs.
Contract (Subset)¶
Loading Function¶
UnboundFunction loadFunction(
Identifier ident)
See V2SessionCatalog
Used when:
DelegatingCatalogExtension
is requested to loadFunctionFunctionCatalog
is requested to functionExistsResolveFunctions
logical analysis rule is requested to resolveV2FunctionV2ExpressionUtils
is requested toloadV2FunctionOpt
CatalogV2Util
is requested to load a function
Implementations¶
- CatalogExtension
FakeV2SessionCatalog
- V2SessionCatalog