fix(query): handle complex types in procedure argument parsing

Fixed procedure argument type parsing to correctly handle types with
nested parentheses like Decimal(4, 2).

Author: TCeason

src/query/sql/src/planner/binder/ddl/procedure.rs

@@ -266,9 +266,10 @@ fn generate_procedure_name_ident(
         return Ok(ProcedureNameIdent::new(tenant, name.clone().into()));
     }
 
+    let args = split_procedure_arg_types(&name.args_type)?;
     let mut args_type = vec![];
-    for arg in name.args_type.split(',') {
-        args_type.push(DataType::from(&resolve_type_name_by_str(arg, true)?));
+    for arg in args {
+        args_type.push(DataType::from(&resolve_type_name_by_str(&arg, true)?));
     }
     let new_name = databend_common_ast::ast::ProcedureIdentity {
         name: name.name.to_string(),
@@ -283,3 +284,35 @@ fn generate_procedure_name_ident(
         ProcedureIdentity::from(new_name),
     ))
 }
+
+fn split_procedure_arg_types(raw: &str) -> Result<Vec<String>> {
+    let mut parts = Vec::new();
+    let mut depth = 0;
+    let mut start = 0;
+
+    for (i, c) in raw.char_indices() {
+        match c {
+            '(' => depth += 1,
+            ')' => depth -= 1,
+            ',' if depth == 0 => {
+                let arg = raw[start..i].trim();
+                if !arg.is_empty() {
+                    parts.push(arg.to_string());
+                }
+                start = i + 1;
+            }
+            _ => {}
+        }
+    }
+
+    if depth != 0 {
+        return Err(ErrorCode::SyntaxException("unmatched parentheses"));
+    }
+
+    let last = raw[start..].trim();
+    if !last.is_empty() {
+        parts.push(last.to_string());
+    }
+
+    Ok(parts)
+}

tests/sqllogictests/suites/base/15_procedure/15_0002_procedure.test

@@ -132,6 +132,19 @@ drop procedure p1(UInt8, UInt8);
 statement ok
 drop procedure p1(int);
 
+statement ok
+CREATE OR REPLACE PROCEDURE p_decimal_arg(x Decimal(4, 2)) RETURNS Decimal(4, 2) LANGUAGE SQL COMMENT='decimal arg' AS $$
+BEGIN
+    RETURN x;
+END;
+$$;
+
+statement ok
+desc procedure p_decimal_arg(Decimal(4, 2));
+
+statement ok
+drop procedure p_decimal_arg(Decimal(4, 2));
+
 
 statement ok
 drop procedure if exists not_exists_p();
@@ -203,4 +216,3 @@ call procedure p3('x');
 
 statement ok
 drop procedure p3(string);
-