Alter placement policy cannot update the relative ranges policy.

[nolouch]

Bug Report

Please answer these questions before submitting your issue. Thanks!

1. Minimal reproduce step (Required)

CREATE PLACEMENT POLICY `evict_sata_dw` CONSTRAINTS="[-disk=sata-new, -disk=dw-ssd]"
ALTER RANGE global PLACEMENT POLICY `evict_sata_dw`.
ALTER PLACEMENT POLICY evict_sata_dw CONSTRAINTS="[-disk=sata-new, -disk=dw-ssd]" SURVIVAL_PREFERENCES="[zone, dc, host]"

2. What did you expect to see? (Required)

global rule will update the location labels.

3. What did you see instead (Required)

no update

root@prod-dw-tipd6-f001:~# tiup ctl:v7.5.1 pd config placement-rules rule-bundle get pd
Starting component ctl: /root/.tiup/components/ctl/v7.5.1/ctl pd config placement-rules rule-bundle get pd
{
  "group_id": "pd",
  "group_index": 0,
  "group_override": false,
  "rules": [
    {
      "group_id": "pd",
      "id": "default",
      "start_key": "",
      "end_key": "",
      "role": "voter",
      "is_witness": false,
      "count": 3,
      "location_labels": [
        "zone",
        "dc",
        "host"
      ],
      "version": 1
    }
  ]
}

root@prod-dw-tipd6-f001:~# tiup ctl:v7.5.1 pd config placement-rules rule-bundle get TiDB_GLOBAL
Starting component ctl: /root/.tiup/components/ctl/v7.5.1/ctl pd config placement-rules rule-bundle get TiDB_GLOBAL
{
  "group_id": "TiDB_GLOBAL",
  "group_index": 20,
  "group_override": true,
  "rules": [
    {
      "group_id": "TiDB_GLOBAL",
      "id": "evict_sata_dw_rule_0",
      "start_key": "",
      "end_key": "",
      "role": "voter",
      "is_witness": false,
      "count": 3,
      "label_constraints": [
        {
          "key": "disk",
          "op": "notIn",
          "values": [
            "sata-new"
          ]
        },
        {
          "key": "disk",
          "op": "notIn",
          "values": [
            "dw-ssd"
          ]
        },
        {
          "key": "engine",
          "op": "notIn",
          "values": [
            "tiflash"
          ]
        }
      ],
      "create_timestamp": 1710164464
    }

need ALTER RANGE global PLACEMENT POLICY evict_sata_dw. again then update.

4. What is your TiDB version? (Required)

7.5.1

[jiyfhust]

/assgin

[jiyfhust]

/assign

[seiya-annie]

/found community