- use same colname as the alias we give to the PG function

here, fixes #3652

(cherry picked from commit e310a8e423d9a4eeb511b7b84dbeccc90c234a1f)

diff --git a/lib/sqlalchemy/sql/functions.py b/lib/sqlalchemy/sql/functions.py
index 50c1ef06e0e964b8dcec75380b5423ca68b7b845..009ddbdfc8502db598ebdd334e9500e084eb2340 100644 (file)
--- a/lib/sqlalchemy/sql/functions.py
+++ b/lib/sqlalchemy/sql/functions.py
@@ -168,7 +168,7 @@ class FunctionElement(Executable, ColumnElement, FromClause):
 
             from sqlalchemy.sql import column
 
-            stmt = select([column('data')]).select_from(
+            stmt = select([column('data_view')]).select_from(
                 func.unnest(Table.data).alias('data_view')
             )
 
@@ -176,7 +176,7 @@ class FunctionElement(Executable, ColumnElement, FromClause):
 
         .. sourcecode:: sql
 
-            SELECT data
+            SELECT data_view
             FROM unnest(sometable.data) AS data_view
 
         .. versionadded:: 0.9.8 The :meth:`.FunctionElement.alias` method