fix(mysql): enable window function parsing in ParseOneSql

[LordofAvernus]

User description

Related issue

https://github.com/actiontech/sqle-ee/issues/3110

Changes

• Enable EnableWindowFunc(true) in ParseOneSql to align SQL analysis entry with audit splitter
• Add TestParseOneSqlWindowFunc to verify window function AST parsing

Background

SQL analysis page fails to parse MySQL 8 window functions (ROW_NUMBER() OVER (PARTITION BY ...)) with parser error near "( PARTITION BY". The audit path already enables window function parsing via splitter.NewSplitter(), but ParseOneSql did not.

Made with Cursor

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Description

• 在 ParseOneSql 中启用窗口函数解析

• 新增测试验证 AST 包含 WindowFuncExpr

• 修复 MySQL 8 窗口函数解析错误

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Diagram Walkthrough

flowchart LR
  A["启用窗口函数解析"]
  B["新增测试验证"]
  C["修复MySQL解析错误"]
  A -- "触发" --> B
  B -- "修复" --> C

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File Walkthrough

	Relevant files
Bug fix	parser_helper.go 启用窗口函数解析支持                                                                                              sqle/driver/mysql/util/parser_helper.go 新增 p.EnableWindowFunc(true) 语句 调整解析流程以支持窗口函数解析 +1/-0
Tests	parser_helper_test.go 添加窗口函数解析测试                                                                                              sqle/driver/mysql/util/parser_helper_test.go 添加 TestParseOneSqlWindowFunc 测试用例 验证 AST 包含 WindowFuncExpr +20/-0

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