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when cast a literal L to string, it will call new StringLiteral(L.getValue().toString()), for a ipv4, its getValue return a long value.
Then we will have:
before this PR:
MySQL [email protected]:db1> select cast(cast("192.168.1.10" as ipv4) as string)
+----------------------------------------------+
| cast(cast("192.168.1.10" as ipv4) as string) |
+----------------------------------------------+
| 3232235786 |
+----------------------------------------------+
this PR fix this, it will change ipv4 getValue return a ipv4 class.
after this PR:
MySQL [email protected]:db1> SELECT cast(cast('192.168.1.10' as ipv4) as string);
+----------------------------------------------+
| cast(cast('192.168.1.10' as ipv4) as string) |
+----------------------------------------------+
| 192.168.1.10 |
+----------------------------------------------+
Release note
None
Check List (For Author)
Test
Regression test
Unit Test
Manual test (add detailed scripts or steps below)
No need to test or manual test. Explain why:
This is a refactor/code format and no logic has been changed.
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What problem does this PR solve?
when cast a literal L to string, it will call
new StringLiteral(L.getValue().toString())
, for a ipv4, its getValue return a long value.Then we will have:
before this PR:
this PR fix this, it will change ipv4 getValue return a ipv4 class.
after this PR:
Release note
None
Check List (For Author)
Test
Behavior changed:
Does this need documentation?
Check List (For Reviewer who merge this PR)