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feat: 为动态SQL添加泛型参数支持 #1395

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feat: 为动态SQL添加泛型参数支持 #1395

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ba68300
feat: enhance type handling for index expressions and add generic typ…
zhouyusd Oct 5, 2025
a5fd3a3
fix: add fallback for unsupported types in type handling
zhouyusd Oct 5, 2025
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24 changes: 24 additions & 0 deletions internal/parser/parser.go
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Original file line number Diff line number Diff line change
Expand Up @@ -273,8 +273,10 @@ func (p *Param) astGetParamType(param *ast.Field) {
p.astGetEltType(v.X)
case *ast.IndexExpr:
p.astGetEltType(v.X)
p.astGetGenericType(v.Index)
case *ast.IndexListExpr:
p.astGetEltType(v.X)
p.astGetGenericType(v.Indices...)
default:
log.Printf("Unsupported param type: %+v", v)
}
Expand Down Expand Up @@ -302,11 +304,33 @@ func (p *Param) astGetEltType(expr ast.Expr) {
p.Type = "[]" + p.Type
case *ast.IndexExpr:
p.astGetEltType(v.X)
p.astGetGenericType(v.Index)
case *ast.IndexListExpr:
p.astGetEltType(v.X)
p.astGetGenericType(v.Indices...)
default:
log.Printf("Unsupported param type: %+v", v)
}
}

func (p *Param) astGetGenericType(exprList ...ast.Expr) {
if p.Package == "" {
p.Package = "UNDEFINED" // Generic types are definitely not built-in types.
}
if len(exprList) == 0 {
return
}
var types []string
for _, expr := range exprList {
typeStr := astGetType(expr)
if typeStr == "" {
typeStr = "interface{}" // fallback for unsupported types
}
types = append(types, typeStr)
}
p.Type = fmt.Sprintf("%s[%s]", p.Type, strings.Join(types, ", "))
}

func (p *Param) astGetPackageName(expr ast.Expr) {
switch v := expr.(type) {
case *ast.Ident:
Expand Down
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