Add test cases to test/unionvtab.test.

FossilOrigin-Name: f2c4a584e83ffcc1cedd39460eb06d6f231a1a87f269bb3e75055232a866067e
2017-07-17 21:03:13 +00:00
parent bcd303ac7d
commit 16bab5a7d9
4 changed files with 106 additions and 9 deletions
@@ -653,7 +653,9 @@ static int unionFilter(
    }
  }

+
  if( rc==SQLITE_OK ){
+    if( zSql==0 ) return SQLITE_OK;
    pCsr->pStmt = unionPrepare(&rc, pTab->db, zSql, &pTab->base.zErrMsg);
  }
  sqlite3_free(zSql);