[Reporting/CSV Export] _id field can not be formatted

x-pack/plugins/reporting/server/export_types/csv_searchsource/generate_csv/generate_csv.ts

@@ -164,11 +164,16 @@ export class CsvGenerator {
           cell = '-';
         }
 
-        try {
-          // expected values are a string of JSON where the value(s) is in an array
-          cell = JSON.parse(cell);
-        } catch (e) {
-          // ignore
+        const isIdField = tableColumn === '_id'; // _id field can not be formatted or mutated
+        if (!isIdField) {
+          try {
+            // unwrap the value
+            // expected values are a string of JSON where the value(s) is in an array
+            // examples: "[""Jan 1, 2020 @ 04:00:00.000""]","[""username""]"
+            cell = JSON.parse(cell);
+          } catch (e) {
+            // ignore
+          }
         }
 
         // We have to strip singular array values out of their array wrapper,
@@ -381,6 +386,7 @@ export class CsvGenerator {
           break; // empty report with just the header
         }
 
+        // FIXME: make tabifyDocs handle the formatting, to get the same formatting logic as Discover?
         const formatters = this.getFormatters(table);
         await this.generateRows(columns, table, builder, formatters, settings);
 

x-pack/test/functional/es_archives/reporting/big_int_id_field/mappings.json

@@ -0,0 +1,25 @@
+{
+  "type": "index",
+  "value": {
+    "aliases": {
+    },
+    "index": "test_elastic",
+    "mappings": {
+      "properties": {
+        "timestamp": {
+          "format": "yyyyMMddHHmmss||yyyyMMddHHmmssZ||strict_date_optional_time||epoch_millis",
+          "type": "date"
+        },
+        "message_type": {
+          "type": "keyword"
+        }
+      }
+    },
+    "settings": {
+      "index": {
+        "number_of_replicas": "1",
+        "number_of_shards": "1"
+      }
+    }
+  }
+}

x-pack/test/functional/fixtures/kbn_archiver/reporting/big_int_id_field.json

@@ -0,0 +1,96 @@
+{
+  "attributes": {
+    "fieldAttrs": "{}",
+    "fieldFormatMap": "{}",
+    "fields": "[]",
+    "name": "test_elastic*",
+    "runtimeFieldMap": "{}",
+    "sourceFilters": "[]",
+    "timeFieldName": "timestamp",
+    "title": "test_elastic*",
+    "typeMeta": "{}"
+  },
+  "coreMigrationVersion": "8.6.0",
+  "created_at": "2022-10-25T20:55:46.970Z",
+  "id": "c424ce04-f440-4f48-aa0c-534da84d06f6",
+  "migrationVersion": {
+    "index-pattern": "8.0.0"
+  },
+  "references": [],
+  "type": "index-pattern",
+  "updated_at": "2022-10-25T20:55:46.970Z",
+  "version": "WzIxOCwxXQ=="
+}
+
+{
+  "attributes": {
+    "columns": [],
+    "description": "",
+    "grid": {},
+    "hideChart": false,
+    "isTextBasedQuery": false,
+    "kibanaSavedObjectMeta": {
+      "searchSourceJSON": "{\"query\":{\"query\":\"\",\"language\":\"kuery\"},\"filter\":[],\"indexRefName\":\"kibanaSavedObjectMeta.searchSourceJSON.index\"}"
+    },
+    "sort": [
+      [
+        "timestamp",
+        "desc"
+      ]
+    ],
+    "timeRestore": false,
+    "title": "testsearch"
+  },
+  "coreMigrationVersion": "8.6.0",
+  "created_at": "2022-10-25T20:57:39.872Z",
+  "id": "a984aeb0-54a7-11ed-b3f3-41d5096a3cfd",
+  "migrationVersion": {
+    "search": "8.0.0"
+  },
+  "references": [
+    {
+      "id": "c424ce04-f440-4f48-aa0c-534da84d06f6",
+      "name": "kibanaSavedObjectMeta.searchSourceJSON.index",
+      "type": "index-pattern"
+    }
+  ],
+  "type": "search",
+  "updated_at": "2022-10-25T20:57:39.872Z",
+  "version": "WzI2MCwxXQ=="
+}
+
+{
+  "attributes": {
+    "description": "",
+    "kibanaSavedObjectMeta": {
+      "searchSourceJSON": "{\"query\":{\"query\":\"\",\"language\":\"kuery\"},\"filter\":[]}"
+    },
+    "optionsJSON": "{\"useMargins\":true,\"syncColors\":false,\"syncCursor\":true,\"syncTooltips\":false,\"hidePanelTitles\":false}",
+    "panelsJSON": "[{\"version\":\"8.6.0\",\"type\":\"search\",\"gridData\":{\"x\":0,\"y\":0,\"w\":48,\"h\":18,\"i\":\"7307be50-603d-4091-b4b9-e76a96c6a33a\"},\"panelIndex\":\"7307be50-603d-4091-b4b9-e76a96c6a33a\",\"embeddableConfig\":{\"enhancements\":{}},\"panelRefName\":\"panel_7307be50-603d-4091-b4b9-e76a96c6a33a\"}]",
+    "refreshInterval": {
+      "pause": true,
+      "value": 0
+    },
+    "timeFrom": "now-15y",
+    "timeRestore": true,
+    "timeTo": "2022-10-30T00:00:00.000Z",
+    "title": "rbbaf",
+    "version": 1
+  },
+  "coreMigrationVersion": "8.6.0",
+  "created_at": "2022-10-25T21:01:17.780Z",
+  "id": "b78b1350-54a7-11ed-b3f3-41d5096a3cfd",
+  "migrationVersion": {
+    "dashboard": "8.6.0"
+  },
+  "references": [
+    {
+      "id": "a984aeb0-54a7-11ed-b3f3-41d5096a3cfd",
+      "name": "7307be50-603d-4091-b4b9-e76a96c6a33a:panel_7307be50-603d-4091-b4b9-e76a96c6a33a",
+      "type": "search"
+    }
+  ],
+  "type": "dashboard",
+  "updated_at": "2022-10-25T21:01:17.780Z",
+  "version": "WzMzNiwxXQ=="
+}

x-pack/test/reporting_api_integration/reporting_and_security/download_csv_dashboard.ts

@@ -394,6 +394,85 @@ export default function ({ getService }: FtrProviderContext) {
       });
     });
 
+    describe('_id field is a big integer', () => {
+      before(async () => {
+        await Promise.all([
+          esArchiver.load('x-pack/test/functional/es_archives/reporting/big_int_id_field'),
+          kibanaServer.importExport.load(
+            'x-pack/test/functional/fixtures/kbn_archiver/reporting/big_int_id_field'
+          ),
+        ]);
+      });
+
+      after(async () => {
+        await Promise.all([
+          esArchiver.unload('x-pack/test/functional/es_archives/reporting/big_int_id_field'),
+          kibanaServer.importExport.unload(
+            'x-pack/test/functional/fixtures/kbn_archiver/reporting/big_int_id_field'
+          ),
+        ]);
+      });
+      it('passes through the value without mutation', async () => {
+        const { text } = (await generateAPI.getCSVFromSearchSource(
+          getMockJobParams({
+            browserTimezone: 'UTC',
+            version: '8.6.0',
+            searchSource: {
+              query: { query: '', language: 'kuery' },
+              fields: [{ field: '*', include_unmapped: 'true' }],
+              index: 'c424ce04-f440-4f48-aa0c-534da84d06f6',
+              sort: [{ timestamp: 'desc' }],
+              filter: [
+                {
+                  meta: {
+                    index: 'c424ce04-f440-4f48-aa0c-534da84d06f6',
+                    params: {},
+                    field: 'timestamp',
+                  },
+                  query: {
+                    range: {
+                      timestamp: {
+                        format: 'strict_date_optional_time',
+                        gte: '2007-10-25T21:18:23.905Z',
+                        lte: '2022-10-30T00:00:00.000Z',
+                      },
+                    },
+                  },
+                },
+              ],
+              parent: {
+                query: { query: '', language: 'kuery' },
+                filter: [],
+                parent: {
+                  filter: [
+                    {
+                      meta: {
+                        index: 'c424ce04-f440-4f48-aa0c-534da84d06f6',
+                        params: {},
+                        field: 'timestamp',
+                      },
+                      query: {
+                        range: {
+                          timestamp: {
+                            format: 'strict_date_optional_time',
+                            gte: '2007-10-25T21:18:23.905Z',
+                            lte: '2022-10-30T00:00:00.000Z',
+                          },
+                        },
+                      },
+                    },
+                  ],
+                },
+              },
+            },
+            columns: [],
+            title: 'testsearch',
+          })
+        )) as supertest.Response;
+        expectSnapshot(text).toMatch();
+      });
+    });
+
     describe('validation', () => {
       it('Return a 404', async () => {
         const { body } = (await generateAPI.getCSVFromSearchSource(