Keep trailing block comments with the preceding statement

[RamiNoodle733]

Summary

StatementSplitter already treats whitespace and single-line comments after a statement terminator as trailing content for that statement, but multiline comments were handled differently. A block comment immediately after a semicolon was therefore attached to the following SQL statement instead of the statement it followed.

This change adds T.Comment.Multiline to the end-of-statement trailing token types so line and block comments behave consistently.

Example:

sqlparse.split("SELECT 1; /* trailing */\nSELECT 2;")

Before, the block comment became part of the second statement. With this change the result is:

["SELECT 1; /* trailing */", "SELECT 2;"]

Regression tests cover the block-comment case and consistency with existing single-line comment behavior.

Validation

I could not run the project test suite in this execution environment because a local checkout/dependency environment was unavailable. The branch is based directly on current upstream master, and the diff is limited to the splitter token classification plus focused regression tests.

[Copilot]

Pull request overview

This pull request updates StatementSplitter so that block (multiline) comments immediately following a statement terminator are treated as trailing content of the preceding statement—matching the existing behavior for whitespace and single-line comments. This aligns splitting behavior with how formatted/parsed output is typically expected to preserve post-semicolon comments with the statement they logically annotate.

Changes:

• Treat T.Comment.Multiline as an end-of-statement trailing token type in StatementSplitter.
• Add regression tests ensuring trailing block comments stay with the preceding statement and remain consistent with single-line trailing comments.

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
sqlparse/engine/statement_splitter.py	Extends end-of-statement trailing token classification to include multiline comments.
tests/test_split_trailing_comments.py	Adds targeted regression tests for trailing block comments and consistency with existing single-line comment behavior.

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