feat(duckdb): Mark ARRAY_UNION_AGG as unsupported [CLAUDE] (#7503)

fivetran-amrutabhimsenayachit · web-flow · commit 5fb1f7c3d70d · 2026-04-16T17:47:38.000+03:00
diff --git a/sqlglot-integration-tests b/sqlglot-integration-tests
@@ -1 +1 @@
-Subproject commit 6bffe20b934f4d8d72a83b5be083fc22dc39c981
+Subproject commit 9b7c285dbbcd3bbe2368f13606f2585e6856eee1
diff --git a/sqlglot/generators/duckdb.py b/sqlglot/generators/duckdb.py
@@ -3282,6 +3282,10 @@ def arrayuniqueagg_sql(self, expression: exp.ArrayUniqueAgg) -> str:
             )
         )
 
+    def arrayunionagg_sql(self, expression: exp.ArrayUnionAgg) -> str:
+        self.unsupported("ARRAY_UNION_AGG is not supported in DuckDB")
+        return self.function_fallback_sql(expression)
+
     def arraydistinct_sql(self, expression: exp.ArrayDistinct) -> str:
         arr = expression.this
         func = self.func("LIST_DISTINCT", arr)

Original file line number	Diff line number	Diff line change
`@@ -3282,6 +3282,10 @@ def arrayuniqueagg_sql(self, expression: exp.ArrayUniqueAgg) -> str:`
`3282`	`3282`	`)`
`3283`	`3283`	`)`
`3284`	`3284`
	`3285`	`+ def arrayunionagg_sql(self, expression: exp.ArrayUnionAgg) -> str:`
	`3286`	`+ self.unsupported("ARRAY_UNION_AGG is not supported in DuckDB")`
	`3287`	`+ return self.function_fallback_sql(expression)`
	`3288`	`+`
`3285`	`3289`	`def arraydistinct_sql(self, expression: exp.ArrayDistinct) -> str:`
`3286`	`3290`	`arr = expression.this`
`3287`	`3291`	`func = self.func("LIST_DISTINCT", arr)`