update IT

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

Author: xinyual

integ-test/src/test/java/org/opensearch/sql/calcite/remote/CalciteExplainIT.java

@@ -5,8 +5,11 @@
 
 package org.opensearch.sql.calcite.remote;
 
+import static org.opensearch.sql.util.MatcherUtils.assertJsonEqualsIgnoreId;
+
 import java.io.IOException;
 import org.junit.Ignore;
+import org.junit.jupiter.api.Test;
 import org.opensearch.sql.ppl.ExplainIT;
 
 public class CalciteExplainIT extends ExplainIT {
@@ -20,4 +23,20 @@ public void init() throws Exception {
   @Override
   @Ignore("test only in v2")
   public void testExplainModeUnsupportedInV2() throws IOException {}
+
+  @Test
+  public void testFilterByCompareStringTimestampPushDownExplain() throws IOException {
+    String expected =
+        isCalciteEnabled()
+            ? loadFromFile(
+                "expectedOutput/calcite/explain_filter_push_compare_timestamp_string.json")
+            : loadFromFile("expectedOutput/ppl/explain_filter_push_compare_timestamp_string.json");
+
+    assertJsonEqualsIgnoreId(
+        expected,
+        explainQueryToString(
+            "source=opensearch-sql_test_index_bank"
+                + "| where birthdate > '2016-12-08 00:00:00.000000000' "
+                + "| where birthdate < '2018-11-09 00:00:00.000000000' "));
+  }
 }

integ-test/src/test/java/org/opensearch/sql/ppl/ExplainIT.java

@@ -70,8 +70,8 @@ public void testFilterByCompareStringTimestampPushDownExplain() throws IOExcepti
         expected,
         explainQueryToString(
             "source=opensearch-sql_test_index_bank"
-                + "| where birthdate > '2016-12-08 00:00:00' "
-                + "| where birthdate < '2018-11-09 00:00:00' "));
+                + "| where birthdate > '2016-12-08 00:00:00.000000000' "
+                + "| where birthdate < '2018-11-09 00:00:00.000000000' "));
   }
 
   @Test

integ-test/src/test/resources/expectedOutput/calcite/explain_filter_push_compare_timestamp_string.json

@@ -1,6 +1,6 @@
 {
   "calcite" : {
-    "logical" : "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])\n  LogicalFilter(condition=[<($3, TIMESTAMP('2018-11-09 00:00:00':VARCHAR))])\n    LogicalFilter(condition=[>($3, TIMESTAMP('2016-12-08 00:00:00':VARCHAR))])\n      CalciteLogicalIndexScan(table=[[OpenSearch, opensearch-sql_test_index_bank]])\n",
+    "logical" : "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])\n  LogicalFilter(condition=[<($3, TIMESTAMP('2018-11-09 00:00:00.000000000':VARCHAR))])\n    LogicalFilter(condition=[>($3, TIMESTAMP('2016-12-08 00:00:00.000000000':VARCHAR))])\n      CalciteLogicalIndexScan(table=[[OpenSearch, opensearch-sql_test_index_bank]])\n",
     "physical" : "CalciteEnumerableIndexScan(table=[[OpenSearch, opensearch-sql_test_index_bank]], PushDownContext=[[PROJECT->[account_number, firstname, address, birthdate, gender, city, lastname, balance, employer, state, age, email, male], FILTER->>($3, '2016-12-08 00:00:00'), FILTER-><($3, '2018-11-09 00:00:00')], OpenSearchRequestBuilder(sourceBuilder={\"from\":0,\"timeout\":\"1m\",\"query\":{\"bool\":{\"filter\":[{\"range\":{\"birthdate\":{\"from\":\"2016-12-08T00:00:00.000Z\",\"to\":null,\"include_lower\":false,\"include_upper\":true,\"boost\":1.0}}},{\"range\":{\"birthdate\":{\"from\":null,\"to\":\"2018-11-09T00:00:00.000Z\",\"include_lower\":true,\"include_upper\":false,\"boost\":1.0}}}],\"adjust_pure_negative\":true,\"boost\":1.0}},\"_source\":{\"includes\":[\"account_number\",\"firstname\",\"address\",\"birthdate\",\"gender\",\"city\",\"lastname\",\"balance\",\"employer\",\"state\",\"age\",\"email\",\"male\"],\"excludes\":[]},\"sort\":[{\"_doc\":{\"order\":\"asc\"}}]}, requestedTotalSize=2147483647, pageSize=null, startFrom=0)])\n"
   }
 }