[BugFix] Fix wrong cast from double to decimal when using "create table as select" statement to create hive table

[mxdzs0612]

Why I'm doing:

create table as:

create table like:

Source table:

What I'm doing:

Fixes #42671

What type of PR is this:

• BugFix
• Feature
• Enhancement
• Refactor
• UT
• Doc
• Tool

Does this PR entail a change in behavior?

• Yes, this PR will result in a change in behavior.
• No, this PR will not result in a change in behavior.

If yes, please specify the type of change:

• Interface/UI changes: syntax, type conversion, expression evaluation, display information
• Parameter changes: default values, similar parameters but with different default values
• Policy changes: use new policy to replace old one, functionality automatically enabled
• Feature removed
• Miscellaneous: upgrade & downgrade compatibility, etc.

Checklist:

• I have added test cases for my bug fix or my new feature
• This pr needs user documentation (for new or modified features or behaviors)
  • I have added documentation for my new feature or new function
• This is a backport pr

Bugfix cherry-pick branch check:

• I have checked the version labels which the pr will be auto-backported to the target branch
  • 3.2
  • 3.1
  • 3.0
  • 2.5

[mxdzs0612]

@kangkaisen @Seaven @packy92 PTAL, thx~

[kangkaisen]

@mxdzs0612 Could you add the UT for this bug? Thanks.

[letian-jiang]

LGTM

[kangkaisen]

TestSQLCases.testIcebergHadoopCatalog
Element counts were not equal:
First has 1, Second has 0:  'c0\\tDOUBLE\\tYes\\tfalse\\tNone\\t'
First has 0, Second has 1:  'c0\tDOUBLE\tYes\tfalse\tNone\t' : sql result not match:
- [SQL]: describe ice_hadoop116eb6925e404ab1a02ce81abbc49f13.ice_hadoop_db116eb6925e404ab1a02ce81abbc49f13.test_double_as;
- [exp]: ['c0\\tDOUBLE\\tYes\\tfalse\\tNone\\t']
- [act]: ['c0\tDOUBLE\tYes\tfalse\tNone\t']
---

[sonarqubecloud]

Quality Gate passed

Issues
1 New issue
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud

[github-actions]

[BE Incremental Coverage Report]

✅ pass : 0 / 0 (0%)

[github-actions]

[FE Incremental Coverage Report]

✅ pass : 9 / 9 (100.00%)

file detail

	path	covered_line	new_line	coverage	not_covered_line_detail
🔵	com/starrocks/sql/analyzer/CTASAnalyzer.java	9	9	100.00%	[]

[mxdzs0612]

TestSQLCases.testIcebergHadoopCatalog
Element counts were not equal:
First has 1, Second has 0:  'c0\\tDOUBLE\\tYes\\tfalse\\tNone\\t'
First has 0, Second has 1:  'c0\tDOUBLE\tYes\tfalse\tNone\t' : sql result not match:
- [SQL]: describe ice_hadoop116eb6925e404ab1a02ce81abbc49f13.ice_hadoop_db116eb6925e404ab1a02ce81abbc49f13.test_double_as;
- [exp]: ['c0\\tDOUBLE\\tYes\\tfalse\\tNone\\t']
- [act]: ['c0\tDOUBLE\tYes\tfalse\tNone\t']
---

@kangkaisen Done, PTAL

[github-actions]

@Mergifyio backport branch-3.2

[mergify]

backport branch-3.2

✅ Backports have been created

• #43355 [BugFix] Fix wrong cast from double to decimal when using "create table as select" statement to create hive table (backport #42350) has been created for branch branch-3.2