types: fix incompatible implementation of jsonpath extraction

[mengxin9014]

What problem does this PR solve?

fix incompatible implementation of jsonpath extraction

Issue Number: close #30352

Problem Summary:

/* t */ drop table if exists t;
-- t >> 0 rows affected
/* t */ create table t (a varchar(100));
-- t >> 0 rows affected
/* t */ insert into t values ('{"labels":[{"name":"foo"}]}'),('{"labels":[{"name":"foo"},{"name":"bar"}]}');
-- t >> 2 rows affected
/* t */ select a->'$.labels[*].name' from t;

except:
-- t >> +-----------------------+
-- t    | a->'$.labels[*].name' |
-- t    +-----------------------+
-- t    | ["foo"]               |
-- t    | ["foo", "bar"]        |
-- t    +-----------------------+

actual:
-- t >> +-----------------------+
-- t    | a->'$.labels[*].name' |
-- t    +-----------------------+
-- t    | "foo"                 | <- not an array
-- t    | ["foo", "bar"]        |
-- t    +-----------------------+

What is changed and how it works?

Check List

Tests

• Unit test
• Integration test
• Manual test (add detailed scripts or steps below)
• No code

Side effects

• Performance regression: Consumes more CPU
• Performance regression: Consumes more Memory
• Breaking backward compatibility

Documentation

• Affects user behaviors
• Contains syntax changes
• Contains variable changes
• Contains experimental features
• Changes MySQL compatibility

Release note

Please refer to Release Notes Language Style Guide to write a quality release note.

None

[ti-chi-bot]

[REVIEW NOTIFICATION]

This pull request has been approved by:

• xhebox
• zanmato1984

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[zanmato1984]

Please add some test cases.

[mengxin9014]

/run-all-tests

[sre-bot]

Code Coverage Details: https://codecov.io/github/pingcap/tidb/commit/6c16ade0f1e63f028119d48eed94e478a1dbf7d4

[xhebox]

LGTM, but maybe add TestIssue30352 as another reviewer requested.

[mengxin9014]

LGTM, but maybe add TestIssue30352 as another reviewer requested.

The tests are included in binary_test.go

[xhebox]

/merge

[ti-chi-bot]

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

Commit hash: 776ef76

[ti-srebot]

cherry pick to release-5.0 in PR #35791

[ti-srebot]

cherry pick to release-5.1 in PR #35792

[ti-srebot]

cherry pick to release-5.2 in PR #35793

[ti-srebot]

cherry pick to release-5.3 in PR #35794

[ti-srebot]

cherry pick to release-5.4 in PR #35795

[ti-srebot]

cherry pick to release-6.0 in PR #35796

[ti-srebot]

cherry pick to release-6.1 in PR #35797

[sre-bot]

TiDB MergeCI notify

🔴 Bad News! [1] CI still failing after this pr merged.
These failed integration tests don't seem to be introduced by the current PR.

CI Name	Result	Duration	Compare with Parent commit
idc-jenkins-ci-tidb/integration-common-test	🔴 failed 2, success 9, total 11	20 min	Existing failure
idc-jenkins-ci/integration-cdc-test	🟢 all 35 tests passed	27 min	Existing passed
idc-jenkins-ci-tidb/common-test	🟢 all 12 tests passed	11 min	Existing passed
idc-jenkins-ci-tidb/sqllogic-test-2	🟢 all 28 tests passed	8 min 4 sec	Existing passed
idc-jenkins-ci-tidb/integration-ddl-test	🟢 all 6 tests passed	7 min 3 sec	Existing passed
idc-jenkins-ci-tidb/tics-test	🟢 all 1 tests passed	6 min 46 sec	Existing passed
idc-jenkins-ci-tidb/sqllogic-test-1	🟢 all 26 tests passed	6 min 38 sec	Existing passed
idc-jenkins-ci-tidb/mybatis-test	🟢 all 1 tests passed	3 min 38 sec	Existing passed
idc-jenkins-ci-tidb/integration-compatibility-test	🟢 all 1 tests passed	3 min 38 sec	Existing passed
idc-jenkins-ci-tidb/plugin-test	🟢 build success, plugin test success	4min	Existing passed