xuefuz commented on a change in pull request #9979: [FLINK-14417][table]
Develop CoreModule to provide Flink built-in functions
URL: https://github.com/apache/flink/pull/9979#discussion_r338761695
##########
File path:
flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/catalog/FunctionCatalog.java
##########
@@ -203,39 +201,40 @@ public void
registerTempCatalogScalarFunction(ObjectIdentifier oi, ScalarFunctio
Set<String> result = getUserDefinedFunctionNames();
// Get built-in functions
- result.addAll(
- BuiltInFunctionDefinitions.getDefinitions()
- .stream()
- .map(f -> normalizeName(f.getName()))
- .collect(Collectors.toSet())
- );
+ result.addAll(moduleManager.listFunctions());
return result.toArray(new String[0]);
}
private Set<String> getUserDefinedFunctionNames() {
Set<String> result = new HashSet<>();
- // Get functions in catalog
+ // add catalog functions
Catalog catalog =
catalogManager.getCatalog(catalogManager.getCurrentCatalog()).get();
try {
result.addAll(catalog.listFunctions(catalogManager.getCurrentDatabase()));
} catch (DatabaseNotExistException e) {
// Ignore since there will always be a current database
of the current catalog
}
- // Get functions registered in memory
+ // add temp system functions
result.addAll(
tempSystemFunctions.values().stream()
.map(FunctionDefinition::toString)
.collect(Collectors.toSet()));
+ // add temp catalog functions
+ result.addAll(
+ tempCatalogFunctions.values().stream()
+ .map(FunctionDefinition::toString)
+ .collect(Collectors.toSet()));
Review comment:
We should probably move this to be the first as it has higher resolution
priority than regular catalog functions.
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