OPENJPA-2868 add tested reserved word list for MS SQLServer

no list has previously been maintained.
diff --git a/openjpa-jdbc/src/main/java/org/apache/openjpa/jdbc/sql/SQLServerDictionary.java b/openjpa-jdbc/src/main/java/org/apache/openjpa/jdbc/sql/SQLServerDictionary.java
index a7061c4..43e9836 100644
--- a/openjpa-jdbc/src/main/java/org/apache/openjpa/jdbc/sql/SQLServerDictionary.java
+++ b/openjpa-jdbc/src/main/java/org/apache/openjpa/jdbc/sql/SQLServerDictionary.java
@@ -31,6 +31,7 @@
 import java.time.LocalDateTime;
 import java.time.LocalTime;
 import java.time.OffsetDateTime;
+import java.util.Arrays;
 import java.util.Calendar;
 import java.util.Locale;
 
@@ -83,6 +84,28 @@
         timestampWithZoneTypeName = "DATETIMEOFFSET";
 
         indexPhysicalForeignKeys = true; // MS-SQLServer does not automatically create an index for a foreign key so we will
+
+        // reservedWordSet subset that CANNOT be used as valid column names
+        // (i.e., without surrounding them with double-quotes)
+        // generated at 2021-05-02T16:15:30.630 via org.apache.openjpa.reservedwords.ReservedWordsIT
+        invalidColumnWordSet.addAll(Arrays.asList(new String[] {
+            "ADD", "ALL", "ALTER", "AND", "ANY", "AS", "ASC", "AUTHORIZATION", "BACKUP", "BEGIN", "BETWEEN", "BREAK", "BROWSE",
+            "BULK", "BY", "CASCADE", "CASE", "CHECK", "CHECKPOINT", "CLOSE", "CLUSTERED", "COALESCE", "COLLATE", "COLUMN",
+            "COMMIT", "COMPUTE", "CONSTRAINT", "CONTAINS", "CONTAINSTABLE", "CONTINUE", "CONVERT", "CREATE", "CROSS", "CURRENT",
+            "CURRENT_DATE", "CURRENT_TIME", "CURRENT_TIMESTAMP", "CURRENT_USER", "CURSOR", "DATABASE", "DBCC", "DEALLOCATE",
+            "DECLARE", "DEFAULT", "DELETE", "DENY", "DESC", "DISTINCT", "DISTRIBUTED", "DOUBLE", "DROP", "ELSE", "END", "END-EXEC",
+            "ERRLVL", "ESCAPE", "EXCEPT", "EXEC", "EXECUTE", "EXISTS", "EXIT", "EXTERNAL", "FETCH", "FILE", "FILLFACTOR", "FOR",
+            "FOREIGN", "FREETEXT", "FREETEXTTABLE", "FROM", "FULL", "FUNCTION", "GOTO", "GRANT", "GROUP", "HAVING", "HOLDLOCK",
+            "IDENTITY", "IDENTITY_INSERT", "IDENTITYCOL", "IF", "IN", "INDEX", "INNER", "INSERT", "INTERSECT", "INTO", "IS",
+            "JOIN", "KEY", "KILL", "LEFT", "LIKE", "LINENO", "MERGE", "NATIONAL", "NOCHECK", "NONCLUSTERED", "NOT", "NULL",
+            "NULLIF", "OF", "OFF", "OFFSETS", "ON", "OPEN", "OPENDATASOURCE", "OPENQUERY", "OPENROWSET", "OPENXML", "OPTION",
+            "OR", "ORDER", "OUTER", "OVER", "PERCENT", "PLAN", "PRIMARY", "PRINT", "PROC", "PROCEDURE", "PUBLIC", "RAISERROR",
+            "READ", "READTEXT", "RECONFIGURE", "REFERENCES", "REPLICATION", "RESTORE", "RESTRICT", "RETURN", "REVOKE", "RIGHT",
+            "ROLLBACK", "ROWCOUNT", "ROWGUIDCOL", "RULE", "SAVE", "SCHEMA", "SELECT", "SESSION_USER", "SET", "SETUSER", "SHUTDOWN",
+            "SOME", "STATISTICS", "SYSTEM_USER", "TABLE", "TABLESAMPLE", "TEXTSIZE", "THEN", "TO", "TOP", "TRAN", "TRANSACTION",
+            "TRIGGER", "TRUNCATE", "TSEQUAL", "UNION", "UNIQUE", "UPDATE", "UPDATETEXT", "USE", "USER", "VALUES", "VARYING",
+            "VIEW", "WAITFOR", "WHEN", "WHERE", "WHILE", "WITH", "WRITETEXT",
+        }));
     }
 
     @Override