simeon - dynamic versioning for doc link

Signed-off-by: Jialiang Liang <jiallian@amazon.com>

Author: RyanL1997

legacy/src/main/java/org/opensearch/sql/legacy/parser/SqlParser.java

@@ -49,6 +49,7 @@
 import org.opensearch.sql.legacy.domain.hints.HintFactory;
 import org.opensearch.sql.legacy.exception.SqlParseException;
 import org.opensearch.sql.legacy.query.multi.MultiQuerySelect;
+import org.opensearch.sql.legacy.utils.Util;
 
 /**
  * OpenSearch sql support
@@ -411,9 +412,10 @@ public JoinSelect parseJoinSelect(SQLQueryExpr sqlExpr) throws SqlParseException
    */
   private void validateJoinWithoutAggregations(MySqlSelectQueryBlock query)
       throws SqlParseException {
+    String version = Util.getDocumentationVersion(SqlParser.class);
     String errorMessage =
-        "JOIN queries do not support aggregations on the joined result. For more information, see"
-            + " https://docs.opensearch.org/latest/search-plugins/sql/limitation/#join-does-not-support-aggregations-on-the-joined-result";
+        "JOIN queries do not support aggregations on the joined result. For more information, see "
+            + "https://docs.opensearch.org/" + version + "/search-plugins/sql/limitation/#join-does-not-support-aggregations-on-the-joined-result";
 
     if (query.getGroupBy() != null && !query.getGroupBy().getItems().isEmpty()) {
       throw new SqlParseException(errorMessage);

legacy/src/main/java/org/opensearch/sql/legacy/utils/Util.java

@@ -280,4 +280,23 @@ public static SQLExpr toSqlExpr(String sql) {
     }
     return expr;
   }
+
+  /**
+   * Gets the OpenSearch major.minor version for documentation links.
+   * Converts "x.y.z" format to "x.y".
+   *
+   * @param clazz The class to get package implementation version from
+   * @return The major.minor version string, or "latest" if version cannot be determined
+   */
+  public static String getDocumentationVersion(Class<?> clazz) {
+    String version = clazz.getPackage().getImplementationVersion();
+    if (version == null) {
+      return "latest";
+    }
+    String[] parts = version.split("\\.");
+    if (parts.length >= 2) {
+      return parts[0] + "." + parts[1];
+    }
+    return "latest";
+  }
 }