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  1. Couchbase Server
  2. MB-23100

Cover dynamic index

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Details

    • Improvement
    • Resolution: Won't Fix
    • Major
    • feature-backlog
    • 5.0.0
    • query

    Description

      create index ix1 on default(distinct pairs(self));
       explain select 1 from default where a > 1;
      {
          "requestID": "725dafaa-9783-457f-85f7-88262dd4de17",
          "signature": "json",
          "results": [
              {
                  "plan": {
                      "#operator": "Sequence",
                      "~children": [
                          {
                              "#operator": "DistinctScan",
                              "scan": {
                                  "#operator": "IndexScan2",
                                  "index": "ix1",
                                  "index_id": "b137a24c892a3237",
                                  "index_projection": {
                                      "primary_key": true
                                  },
                                  "keyspace": "default",
                                  "namespace": "default",
                                  "spans": [
                                      {
                                          "exact": true,
                                          "range": [
                                              {
                                                  "high": "[successor(\"a\")]",
                                                  "inclusion": 0,
                                                  "low": "[\"a\", 1]"
                                              }
                                          ]
                                      }
                                  ],
                                  "using": "gsi"
                              }
                          },
                          {
                              "#operator": "Fetch",
                              "keyspace": "default",
                              "namespace": "default"
                          },
                          {
                              "#operator": "Parallel",
                              "~child": {
                                  "#operator": "Sequence",
                                  "~children": [
                                      {
                                          "#operator": "Filter",
                                          "condition": "(1 < (`default`.`a`))"
                                      },
                                      {
                                          "#operator": "InitialProject",
                                          "result_terms": [
                                              {
                                                  "expr": "1"
                                              }
                                          ]
                                      },
                                      {
                                          "#operator": "FinalProject"
                                      }
                                  ]
                              }
                          }
                      ]
                  },
                  "text": "select 1 from default where a > 1;"
              }
          ],
          "status": "success",
          "metrics": {
              "elapsedTime": "4.799717ms",
              "executionTime": "4.782702ms",
              "resultCount": 1,
              "resultSize": 2514
          }
      }
      

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            kamini.jagtiani Kamini Jagtiani
            Sitaram.Vemulapalli Sitaram Vemulapalli
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            Dates

              Created:
              Updated:
              Resolved:

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