[Groonga-mysql-commit] mroonga/mroonga [master] [storage] keep backward compatibility for index column name change.

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2011年 9月 23日 (金) 23:28:37 JST


Kouhei Sutou	2011-09-23 14:28:37 +0000 (Fri, 23 Sep 2011)

  New Revision: b698bf7f42a18c5f8ed62ae0923cac62041be5d0

  Log:
    [storage] keep backward compatibility for index column name change.

  Modified files:
    ha_mroonga.cc

  Modified: ha_mroonga.cc (+8 -1)
===================================================================
--- ha_mroonga.cc    2011-09-23 14:26:15 +0000 (3b0b74e)
+++ ha_mroonga.cc    2011-09-23 14:28:37 +0000 (0af9e4b)
@@ -2224,11 +2224,18 @@ int ha_mroonga::storage_open_indexes(const char *name)
       goto error;
     }
 
-    Field *field = key_info.key_part[0].field;
     grn_index_columns[i] = grn_obj_column(ctx,
                                           grn_index_tables[i],
                                           index_column_name,
                                           strlen(index_column_name));
+    if (!grn_index_columns[i]) {
+      /* just for backward compatibility before 1.0. */
+      Field *field = key_info.key_part[0].field;
+      grn_index_columns[i] = grn_obj_column(ctx, grn_index_tables[i],
+                                            field->field_name,
+                                            strlen(field->field_name));
+    }
+
     if (ctx->rc) {
       error = ER_CANT_OPEN_FILE;
       my_message(error, ctx->errbuf, MYF(0));




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