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https://issues.apache.org/jira/browse/DRILL-3988?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16646220#comment-16646220
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ASF GitHub Bot commented on DRILL-3988:
---------------------------------------
arina-ielchiieva commented on a change in pull request #1483: DRILL-3988:
Expose Drill built-in functions & UDFs in a system table
URL: https://github.com/apache/drill/pull/1483#discussion_r224387658
##########
File path:
exec/java-exec/src/test/java/org/apache/drill/exec/expr/fn/registry/FunctionRegistryHolderTest.java
##########
@@ -155,6 +162,47 @@ public void testGetAllJarNames() {
compareTwoLists(expectedResult, registryHolder.getAllJarNames());
}
+ @Test
+ public void testGetAllJarsWithFunctionHolders() {
+ Map<String, List<FunctionHolder>> fnHoldersInRegistry =
registryHolder.getAllJarsWithFunctionHolders();
+ //Iterate and confirm lists are same
+ for (String jarName : newJars.keySet()) {
+ List<DrillFuncHolder> expectedHolderList = newJars.get(jarName).stream()
+ .map(FunctionHolder::getHolder) //Extract DrillFuncHolder
+ .collect(Collectors.toList());
+ List<DrillFuncHolder> testHolderList =
fnHoldersInRegistry.get(jarName).stream()
+ .map(FunctionHolder::getHolder) //Extract DrillFuncHolder
+ .collect(Collectors.toList());
+
+ compareTwoLists(expectedHolderList, testHolderList);
+ }
+
+ Map<String, String> shuffleFunctionMap = new HashMap<>();
+ // Confirm that same function spans multiple jars with different signatures
+ //Init: Expected Map of items
+ for (String jarName : newJars.keySet()) {
+ for (FunctionHolder funcHolder : newJars.get(jarName)) {
+ if (funcHolder.getName().equals(SHUFFLE_FUNC_NAME)) {
Review comment:
General recommendation is not use equals on constant to avoid NPE:
`SHUFFLE_FUNC_NAME.equals(funcHolder.getName())`. Please change here and in the
code below.
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> Create a sys.functions table to expose available Drill functions
> ----------------------------------------------------------------
>
> Key: DRILL-3988
> URL: https://issues.apache.org/jira/browse/DRILL-3988
> Project: Apache Drill
> Issue Type: Sub-task
> Components: Metadata
> Reporter: Jacques Nadeau
> Assignee: Kunal Khatua
> Priority: Major
> Labels: doc-impacting
> Fix For: 1.15.0
>
>
> Create a new sys.functions table that returns a list of all available
> functions.
> Key considerations:
> - one row per name or one per argument set. I'm inclined to latter so people
> can use queries to get to data.
> - we need to create a delineation between user functions and internal
> functions and only show user functions. 'CastInt' isn't something the user
> should be able to see (or run).
> - should we add a description annotation that could be included in the
> sys.functions table?
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