expression,executor: fix DIV() as partition expression behavior under ERROR_FOR_DIVISION_BY_ZERO sql_mode

[tiancaiamao]

What problem does this PR solve?

Problem Summary:

Currently, the function expression "enclosure" the session context, causing the
creating time context differ from using time context.
If the sql mode change, the behavior is incorrect.

set @@sql_mode='';
create table t1 (a int) partition by range (10 div a) (
    partition p0 values less than (10),
    partition p1 values less than maxvalue
);
insert into t1 values (NULL), (0), (1);   // No error
set @@sql_mode='STRICT_ALL_TABLES,ERROR_FOR_DIVISION_BY_ZERO';
insert into t1 values (NULL), (0), (1);  // Should report Error, but TiDB doesn't.

What is changed and how it works?

What's Changed:

Implement evalIntWithCtx method for IntDIVInt function signature.

How it Works:

Use the correct session context.

Related changes

Check List

Tests

• Unit test

Release note

• when DIV() is used as partition expression, fix the behavior of insert operation under different sql_mode, handle ERROR_FOR_DIVISION_BY_ZERO correctly.

[tiancaiamao]

PTAL @XuHuaiyu

[XuHuaiyu]

LGTM

[imtbkcat]

LGTM

[imtbkcat]

LGTM

[sre-bot]

/run-all-tests

[sre-bot]

cherry pick to release-4.0 in PR #17314