Revert "Adding integration of derived source feature across diff paths (#18054)"

This reverts commit 190ea02.

Signed-off-by: Andrew Ross <andrross@amazon.com>

Author: andrross

CHANGELOG.md

@@ -20,8 +20,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 - Add composite directory factory ([#17988](https://github.com/opensearch-project/OpenSearch/pull/17988))
 - [Rule based auto-tagging] Add refresh based synchronization service for `Rule`s ([#18128](https://github.com/opensearch-project/OpenSearch/pull/18128))
 - Add pull-based ingestion error metrics and make internal queue size configurable ([#18088](https://github.com/opensearch-project/OpenSearch/pull/18088))
-- [Derive Source] Adding support for derive source feature and implementing it for various type of field mappers ([#17759](https://github.com/opensearch-project/OpenSearch/pull/17759))
-- [Derive Source] Adding integration of derived source feature across diff paths ([#18054](https://github.com/opensearch-project/OpenSearch/pull/18054))
+- Adding support for derive source feature and implementing it for various type of field mappers ([#17759](https://github.com/opensearch-project/OpenSearch/pull/17759))
 - [Security Manager Replacement] Enhance Java Agent to intercept newByteChannel ([#17989](https://github.com/opensearch-project/OpenSearch/pull/17989))
 - Enabled Async Shard Batch Fetch by default ([#18139](https://github.com/opensearch-project/OpenSearch/pull/18139))
 - Allow to get the search request from the QueryCoordinatorContext ([#17818](https://github.com/opensearch-project/OpenSearch/pull/17818))

modules/reindex/src/test/java/org/opensearch/index/reindex/ReindexBasicTests.java

@@ -32,14 +32,7 @@
 
 package org.opensearch.index.reindex;
 
-import org.opensearch.action.bulk.BulkRequestBuilder;
-import org.opensearch.action.bulk.BulkResponse;
 import org.opensearch.action.index.IndexRequestBuilder;
-import org.opensearch.action.search.SearchResponse;
-import org.opensearch.common.settings.Settings;
-import org.opensearch.common.xcontent.XContentType;
-import org.opensearch.search.SearchHit;
-import org.opensearch.search.sort.SortOrder;
 
 import java.util.ArrayList;
 import java.util.Collection;
@@ -48,9 +41,7 @@
 import java.util.Map;
 import java.util.stream.Collectors;
 
-import static org.opensearch.index.query.QueryBuilders.matchAllQuery;
 import static org.opensearch.index.query.QueryBuilders.termQuery;
-import static org.opensearch.test.hamcrest.OpenSearchAssertions.assertAcked;
 import static org.opensearch.test.hamcrest.OpenSearchAssertions.assertHitCount;
 import static org.hamcrest.Matchers.greaterThanOrEqualTo;
 import static org.hamcrest.Matchers.hasSize;
@@ -186,301 +177,4 @@ public void testMissingSources() {
         assertThat(response, matcher().created(0).slices(hasSize(0)));
     }
 
-    public void testReindexWithDerivedSource() throws Exception {
-        // Create source index with derived source setting enabled
-        String sourceIndexMapping = """
-            {
-                "settings": {
-                    "index": {
-                        "number_of_shards": 1,
-                        "number_of_replicas": 0,
-                        "derived_source": {
-                            "enabled": true
-                        }
-                    }
-                },
-                "mappings": {
-                    "_doc": {
-                        "properties": {
-                            "foo": {
-                                "type": "keyword",
-                                "store": true
-                            },
-                            "bar": {
-                                "type": "integer",
-                                "store": true
-                            }
-                        }
-                    }
-                }
-            }""";
-
-        // Create indices
-        assertAcked(prepareCreate("source_index").setSource(sourceIndexMapping, XContentType.JSON));
-        assertAcked(prepareCreate("dest_index").setSource(sourceIndexMapping, XContentType.JSON));
-        ensureGreen();
-
-        // Index some documents
-        int numDocs = randomIntBetween(5, 20);
-        List<IndexRequestBuilder> docs = new ArrayList<>();
-        for (int i = 0; i < numDocs; i++) {
-            docs.add(client().prepareIndex("source_index").setId(Integer.toString(i)).setSource("foo", "value_" + i, "bar", i));
-        }
-        indexRandom(true, docs);
-
-        // Test 1: Basic reindex
-        ReindexRequestBuilder copy = reindex().source("source_index").destination("dest_index").refresh(true);
-
-        BulkByScrollResponse response = copy.get();
-        assertThat(response, matcher().created(numDocs));
-        long expectedCount = client().prepareSearch("dest_index").setQuery(matchAllQuery()).get().getHits().getTotalHits().value();
-        assertEquals(numDocs, expectedCount);
-
-        // Test 2: Reindex with query filter
-        String destIndexFiltered = "dest_index_filtered";
-        assertAcked(prepareCreate(destIndexFiltered).setSource(sourceIndexMapping, XContentType.JSON));
-
-        copy = reindex().source("source_index").destination(destIndexFiltered).filter(termQuery("bar", 1)).refresh(true);
-
-        response = copy.get();
-        expectedCount = client().prepareSearch("source_index").setQuery(termQuery("bar", 1)).get().getHits().getTotalHits().value();
-        assertThat(response, matcher().created(expectedCount));
-
-        // Test 3: Reindex with slices
-        String destIndexSliced = "dest_index_sliced";
-        assertAcked(prepareCreate(destIndexSliced).setSource(sourceIndexMapping, XContentType.JSON));
-
-        int slices = randomSlices();
-        int expectedSlices = expectedSliceStatuses(slices, "source_index");
-
-        copy = reindex().source("source_index").destination(destIndexSliced).setSlices(slices).refresh(true);
-
-        response = copy.get();
-        assertThat(response, matcher().created(numDocs).slices(hasSize(expectedSlices)));
-
-        // Test 4: Reindex with maxDocs
-        String destIndexMaxDocs = "dest_index_maxdocs";
-        assertAcked(prepareCreate(destIndexMaxDocs).setSource(sourceIndexMapping, XContentType.JSON));
-
-        int maxDocs = numDocs / 2;
-        copy = reindex().source("source_index").destination(destIndexMaxDocs).maxDocs(maxDocs).refresh(true);
-
-        response = copy.get();
-        assertThat(response, matcher().created(maxDocs));
-        expectedCount = client().prepareSearch(destIndexMaxDocs).setQuery(matchAllQuery()).get().getHits().getTotalHits().value();
-        assertEquals(maxDocs, expectedCount);
-
-        // Test 5: Multiple source indices
-        String sourceIndex2 = "source_index_2";
-        assertAcked(prepareCreate(sourceIndex2).setSource(sourceIndexMapping, XContentType.JSON));
-
-        int numDocs2 = randomIntBetween(5, 20);
-        List<IndexRequestBuilder> docs2 = new ArrayList<>();
-        for (int i = 0; i < numDocs2; i++) {
-            docs2.add(
-                client().prepareIndex(sourceIndex2).setId(Integer.toString(i + numDocs)).setSource("foo", "value2_" + i, "bar", i + numDocs)
-            );
-        }
-        indexRandom(true, docs2);
-
-        String destIndexMulti = "dest_index_multi";
-        assertAcked(prepareCreate(destIndexMulti).setSource(sourceIndexMapping, XContentType.JSON));
-
-        copy = reindex().source("source_index", "source_index_2").destination(destIndexMulti).refresh(true);
-
-        response = copy.get();
-        assertThat(response, matcher().created(numDocs + numDocs2));
-        expectedCount = client().prepareSearch(destIndexMulti).setQuery(matchAllQuery()).get().getHits().getTotalHits().value();
-        assertEquals(numDocs + numDocs2, expectedCount);
-    }
-
-    public void testReindexFromDerivedSourceToNormalIndex() throws Exception {
-        // Create source index with derived source enabled
-        String sourceMapping = """
-            {
-              "properties": {
-                "text_field": {
-                  "type": "text",
-                  "store": true
-                },
-                "keyword_field": {
-                  "type": "keyword"
-                },
-                "numeric_field": {
-                  "type": "long",
-                  "doc_values": true
-                },
-                "date_field": {
-                  "type": "date",
-                  "store": true
-                }
-              }
-            }""";
-
-        // Create destination index with normal settings
-        String destMapping = """
-            {
-              "properties": {
-                "text_field": {
-                  "type": "text"
-                },
-                "keyword_field": {
-                  "type": "keyword"
-                },
-                "numeric_field": {
-                  "type": "long"
-                },
-                "date_field": {
-                  "type": "date"
-                }
-              }
-            }""";
-
-        // Create source index
-        assertAcked(
-            prepareCreate("source_index").setSettings(
-                Settings.builder().put("index.number_of_shards", 2).put("index.derived_source.enabled", true)
-            ).setMapping(sourceMapping)
-        );
-
-        // Create destination index
-        assertAcked(prepareCreate("dest_index").setMapping(destMapping));
-
-        // Index test documents
-        int numDocs = randomIntBetween(100, 200);
-        final List<IndexRequestBuilder> docs = new ArrayList<>();
-        for (int i = 0; i < numDocs; i++) {
-            docs.add(
-                client().prepareIndex("source_index")
-                    .setId(Integer.toString(i))
-                    .setSource(
-                        "text_field",
-                        "text value " + i,
-                        "keyword_field",
-                        "key_" + i,
-                        "numeric_field",
-                        i,
-                        "date_field",
-                        System.currentTimeMillis()
-                    )
-            );
-        }
-        indexRandom(true, docs);
-        refresh("source_index");
-
-        // Test 1: Basic reindex without slices
-        ReindexRequestBuilder reindex = reindex().source("source_index").destination("dest_index").refresh(true);
-        BulkByScrollResponse response = reindex.get();
-        assertThat(response, matcher().created(numDocs));
-        verifyReindexedContent("dest_index", numDocs);
-
-        // Test 2: Reindex with query filter
-        String destFilteredIndex = "dest_filtered_index";
-        assertAcked(prepareCreate(destFilteredIndex).setMapping(destMapping));
-        reindex = reindex().source("source_index").destination(destFilteredIndex).filter(termQuery("keyword_field", "key_1")).refresh(true);
-        response = reindex.get();
-        assertThat(response, matcher().created(1));
-        verifyReindexedContent(destFilteredIndex, 1);
-
-        // Test 3: Reindex with slices
-        String destSlicedIndex = "dest_sliced_index";
-        assertAcked(prepareCreate(destSlicedIndex).setMapping(destMapping));
-        int slices = randomSlices();
-        int expectedSlices = expectedSliceStatuses(slices, "source_index");
-
-        reindex = reindex().source("source_index").destination(destSlicedIndex).setSlices(slices).refresh(true);
-        response = reindex.get();
-        assertThat(response, matcher().created(numDocs).slices(hasSize(expectedSlices)));
-        verifyReindexedContent(destSlicedIndex, numDocs);
-
-        // Test 4: Reindex with field transformation
-        String destTransformedIndex = "dest_transformed_index";
-        String transformedMapping = """
-            {
-              "properties": {
-                "new_text_field": {
-                  "type": "text"
-                },
-                "new_keyword_field": {
-                  "type": "keyword"
-                },
-                "modified_numeric": {
-                  "type": "long"
-                },
-                "date_field": {
-                  "type": "date"
-                }
-              }
-            }""";
-        assertAcked(prepareCreate(destTransformedIndex).setMapping(transformedMapping));
-
-        // First reindex the documents
-        reindex = reindex().source("source_index").destination(destTransformedIndex).refresh(true);
-        response = reindex.get();
-        assertThat(response, matcher().created(numDocs));
-
-        // Then transform using bulk update
-        BulkRequestBuilder bulkRequest = client().prepareBulk();
-        SearchResponse searchResponse = client().prepareSearch(destTransformedIndex).setQuery(matchAllQuery()).setSize(numDocs).get();
-
-        for (SearchHit hit : searchResponse.getHits()) {
-            Map<String, Object> source = hit.getSourceAsMap();
-            Map<String, Object> newSource = new HashMap<>();
-
-            // Transform fields
-            newSource.put("new_text_field", source.get("text_field"));
-            newSource.put("new_keyword_field", source.get("keyword_field"));
-            newSource.put("modified_numeric", ((Number) source.get("numeric_field")).longValue() + 1000);
-            newSource.put("date_field", source.get("date_field"));
-
-            bulkRequest.add(client().prepareIndex(destTransformedIndex).setId(hit.getId()).setSource(newSource));
-        }
-
-        BulkResponse bulkResponse = bulkRequest.get();
-        assertFalse(bulkResponse.hasFailures());
-        refresh(destTransformedIndex);
-        verifyTransformedContent(destTransformedIndex, numDocs);
-    }
-
-    private void verifyReindexedContent(String indexName, int expectedCount) {
-        refresh(indexName);
-        SearchResponse searchResponse = client().prepareSearch(indexName)
-            .setQuery(matchAllQuery())
-            .setSize(expectedCount)
-            .addSort("numeric_field", SortOrder.ASC)
-            .get();
-
-        assertHitCount(searchResponse, expectedCount);
-
-        for (SearchHit hit : searchResponse.getHits()) {
-            Map<String, Object> source = hit.getSourceAsMap();
-            int id = Integer.parseInt(hit.getId());
-
-            assertEquals("text value " + id, source.get("text_field"));
-            assertEquals("key_" + id, source.get("keyword_field"));
-            assertEquals(id, ((Number) source.get("numeric_field")).intValue());
-            assertNotNull(source.get("date_field"));
-        }
-    }
-
-    private void verifyTransformedContent(String indexName, int expectedCount) {
-        refresh(indexName);
-        SearchResponse searchResponse = client().prepareSearch(indexName)
-            .setQuery(matchAllQuery())
-            .setSize(expectedCount)
-            .addSort("modified_numeric", SortOrder.ASC)
-            .get();
-
-        assertHitCount(searchResponse, expectedCount);
-
-        for (SearchHit hit : searchResponse.getHits()) {
-            Map<String, Object> source = hit.getSourceAsMap();
-            int id = Integer.parseInt(hit.getId());
-
-            assertEquals("text value " + id, source.get("new_text_field"));
-            assertEquals("key_" + id, source.get("new_keyword_field"));
-            assertEquals(id + 1000, ((Number) source.get("modified_numeric")).longValue());
-            assertNotNull(source.get("date_field"));
-        }
-    }
 }