Merge pull request duckdb#9613 from renevdzee/add-listagg

Add SQL:2016 listagg
laofan13 · Nov 9, 2023 · b5a294e · b5a294e
2 parents ed80e70 + b83ae35
commit b5a294e
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Showing 3 changed files with 8 additions and 1 deletion.
diff --git a/src/core_functions/aggregate/distributive/functions.json b/src/core_functions/aggregate/distributive/functions.json
@@ -120,7 +120,7 @@
         "description": "Concatenates the column string values with an optional separator.",
         "example": "string_agg(A, '-')",
         "type": "aggregate_function_set",
-        "aliases": ["group_concat"]
+        "aliases": ["group_concat","listagg"]
     },
     {
         "name": "sum",

diff --git a/src/core_functions/function_list.cpp b/src/core_functions/function_list.cpp
@@ -213,6 +213,7 @@ static StaticFunctionDefinition internal_functions[] = {
 	DUCKDB_SCALAR_FUNCTION(ListTransformFun),
 	DUCKDB_SCALAR_FUNCTION(ListUniqueFun),
 	DUCKDB_SCALAR_FUNCTION(ListValueFun),
+	DUCKDB_AGGREGATE_FUNCTION_SET_ALIAS(ListaggFun),
 	DUCKDB_SCALAR_FUNCTION(LnFun),
 	DUCKDB_SCALAR_FUNCTION_ALIAS(LogFun),
 	DUCKDB_SCALAR_FUNCTION(Log10Fun),

diff --git a/src/include/duckdb/core_functions/aggregate/distributive_functions.hpp b/src/include/duckdb/core_functions/aggregate/distributive_functions.hpp
@@ -210,6 +210,12 @@ struct GroupConcatFun {
 	static constexpr const char *Name = "group_concat";
 };
 
+struct ListaggFun {
+	using ALIAS = StringAggFun;
+
+	static constexpr const char *Name = "listagg";
+};
+
 struct SumFun {
 	static constexpr const char *Name = "sum";
 	static constexpr const char *Parameters = "arg";