Fix a crash in unionvtab caused by a misconfiguration. Add other test cases

for the same. FossilOrigin-Name: 255d6b99de2bb210c09ebee9f9481ba3d1130fda47e6e01b4cc8411d00679d09
2017-07-18 21:19:17 +00:00
parent 5a75dd86c1
commit 7f3d20acec
4 changed files with 45 additions and 10 deletions
@@ -477,8 +477,10 @@ static int unionConnect(
    if( rc==SQLITE_OK ){
      pTab->db = db;
      rc = unionSourceCheck(pTab, pzErr);
+    }

-      /* Compose a CREATE TABLE statement and pass it to declare_vtab() */
+    /* Compose a CREATE TABLE statement and pass it to declare_vtab() */
+    if( rc==SQLITE_OK ){
      pStmt = unionPreparePrintf(&rc, pzErr, db, "SELECT "
          "'CREATE TABLE xyz('"
          "    || group_concat(quote(name) || ' ' || type, ', ')"