fix IT

Signed-off-by: xinyual <xinyual@amazon.com>

Author: xinyual

integ-test/src/test/resources/expectedOutput/calcite_no_pushdown/explain_appendpipe_command.json

@@ -0,0 +1,6 @@
+{
+  "calcite": {
+    "logical":"LogicalSystemLimit(fetch=[10000], type=[QUERY_SIZE_LIMIT])\n  LogicalProject(account_number=[$0], firstname=[$1], address=[$2], birthdate=[$3], gender=[$4], city=[$5], lastname=[$6], balance=[$7], employer=[$8], state=[$9], age=[$10], email=[$11], male=[$12], cnt=[$19])\n    LogicalUnion(all=[true])\n      LogicalProject(account_number=[$0], firstname=[$1], address=[$2], birthdate=[$3], gender=[$4], city=[$5], lastname=[$6], balance=[$7], employer=[$8], state=[$9], age=[$10], email=[$11], male=[$12], _id=[$13], _index=[$14], _score=[$15], _maxscore=[$16], _sort=[$17], _routing=[$18], cnt=[null:BIGINT])\n        CalciteLogicalIndexScan(table=[[OpenSearch, opensearch-sql_test_index_bank]])\n      LogicalProject(account_number=[null:BIGINT], firstname=[null:VARCHAR], address=[null:VARCHAR], birthdate=[null:EXPR_TIMESTAMP VARCHAR], gender=[$0], city=[null:VARCHAR], lastname=[null:VARCHAR], balance=[null:BIGINT], employer=[null:VARCHAR], state=[null:VARCHAR], age=[null:INTEGER], email=[null:VARCHAR], male=[null:BOOLEAN], _id=[null:VARCHAR], _index=[null:VARCHAR], _score=[null:REAL], _maxscore=[null:REAL], _sort=[null:BIGINT], _routing=[null:VARCHAR], cnt=[$1])\n        LogicalAggregate(group=[{0}], cnt=[COUNT($1)])\n          LogicalProject(gender=[$4], balance=[$7])\n            CalciteLogicalIndexScan(table=[[OpenSearch, opensearch-sql_test_index_bank]])\n",
+    "physical":"EnumerableLimit(fetch=[10000])\n  EnumerableUnion(all=[true])\n    EnumerableCalc(expr#0..18=[{inputs}], expr#19=[null:BIGINT], proj#0..12=[{exprs}], cnt=[$t19])\n      CalciteEnumerableIndexScan(table=[[OpenSearch, opensearch-sql_test_index_bank]])\n    EnumerableCalc(expr#0..1=[{inputs}], expr#2=[null:BIGINT], expr#3=[null:VARCHAR], expr#4=[null:EXPR_TIMESTAMP VARCHAR], expr#5=[null:INTEGER], expr#6=[null:BOOLEAN], account_number=[$t2], firstname=[$t3], address=[$t3], birthdate=[$t4], gender=[$t0], city=[$t3], lastname=[$t3], balance=[$t2], employer=[$t3], state=[$t3], age=[$t5], email=[$t3], male=[$t6], cnt=[$t1])\n      EnumerableAggregate(group=[{4}], cnt=[COUNT($7)])\n        CalciteEnumerableIndexScan(table=[[OpenSearch, opensearch-sql_test_index_bank]])\n"
+  }
+}