planner: fix the strange error message of ErrDBaccessDenied

[CbcWestwolf]

What problem does this PR solve?

Issue Number: close #38043

Problem Summary:

The number of arguments exceeds the number of parameters.

Check List

Tests

• Unit test
• Integration test
• Manual test (the steps are shown in the related issue)
• No code

Release note

None

[ti-chi-bot]

[REVIEW NOTIFICATION]

This pull request has been approved by:

• xhebox
• xiongjiwei

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[CbcWestwolf]

/cc crazycs520

[xhebox]

/merge

[ti-chi-bot]

This pull request has been accepted and is ready to merge.

Commit hash: 0d60383

[sre-bot]

TiDB MergeCI notify

🔴 Bad News! New failing [2] after this pr merged.
These new failed integration tests seem to be caused by the current PR, please try to fix these new failed integration tests, thanks!

CI Name	Result	Duration	Compare with Parent commit
idc-jenkins-ci/integration-cdc-test	🟥 failed 1, success 36, total 37	25 min	New failing
idc-jenkins-ci-tidb/integration-ddl-test	🟥 failed 1, success 5, total 6	4 min 31 sec	New failing
idc-jenkins-ci-tidb/tics-test	🟢 all 1 tests passed	18 min	Existing passed
idc-jenkins-ci-tidb/integration-common-test	🟢 all 17 tests passed	11 min	Existing passed
idc-jenkins-ci-tidb/common-test	🟢 all 11 tests passed	8 min 52 sec	Existing passed
idc-jenkins-ci-tidb/sqllogic-test-2	🟢 all 28 tests passed	5 min 32 sec	Existing passed
idc-jenkins-ci-tidb/sqllogic-test-1	🟢 all 26 tests passed	5 min 2 sec	Existing passed
idc-jenkins-ci-tidb/integration-compatibility-test	🟢 all 1 tests passed	3 min 1 sec	Existing passed
idc-jenkins-ci-tidb/mybatis-test	🟢 all 1 tests passed	2 min 51 sec	Existing passed
idc-jenkins-ci-tidb/plugin-test	🟢 build success, plugin test success	4min	Existing passed