ASTERIXDB-1109: Fixed deletion of records from open secondary index
 - Avoided creating calling record constructor in delete pipeline
 - Fixed the case when multiple open indexes enforce the type of the
  same field & covered it with tests

Change-Id: I41bde91401f67918365de7df19dd2f0de20c73d2
Reviewed-on: https://asterix-gerrit.ics.uci.edu/461
Tested-by: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Reviewed-by: Yingyi Bu <buyingyi@gmail.com>
diff --git a/asterix-app/src/test/resources/optimizerts/results/skip-index/skip-ngram-index-search-in-delete.plan b/asterix-app/src/test/resources/optimizerts/results/skip-index/skip-ngram-index-search-in-delete.plan
index c882d81..31de832 100644
--- a/asterix-app/src/test/resources/optimizerts/results/skip-index/skip-ngram-index-search-in-delete.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/skip-index/skip-ngram-index-search-in-delete.plan
@@ -11,11 +11,9 @@
                     -- MATERIALIZE  |PARTITIONED|
                       -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                         -- ASSIGN  |PARTITIONED|
-                          -- STREAM_PROJECT  |PARTITIONED|
-                            -- ASSIGN  |PARTITIONED|
-                              -- STREAM_SELECT  |PARTITIONED|
-                                -- ASSIGN  |PARTITIONED|
+                          -- STREAM_SELECT  |PARTITIONED|
+                            -- STREAM_PROJECT  |PARTITIONED|
+                              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                -- DATASOURCE_SCAN  |PARTITIONED|
                                   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                    -- DATASOURCE_SCAN  |PARTITIONED|
-                                      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                                        -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|