fix(gaussdb): normalize routine source retrieval

crates/dbx-core/src/object_source_sql.rs

@@ -121,6 +121,11 @@ pub fn build_routine_rename_object_source_statements(
 
 pub fn build_executable_object_source_statements(input: EditableObjectSourceSqlInput) -> Result<Vec<String>, String> {
     let source = input.source.trim();
+    let source = if is_opengauss_like(input.database_type) && input.object_type == ObjectSourceKind::Procedure {
+        strip_standalone_trailing_slash(source)
+    } else {
+        source
+    };
     if input.database_type == DatabaseType::SqlServer {
         if input.object_type == ObjectSourceKind::View {
             return Ok(vec![build_sqlserver_alter_view_sql(input.schema.as_deref(), &input.name, source)]);
@@ -234,6 +239,11 @@ pub fn build_export_object_source_sql(
     source: &str,
 ) -> String {
     let source = source.trim();
+    let source = if is_opengauss_like(database_type) && object_type == ObjectSourceKind::Procedure {
+        strip_standalone_trailing_slash(source)
+    } else {
+        source
+    };
     if source.is_empty() {
         return String::new();
     }
@@ -296,6 +306,10 @@ fn is_postgres_like(database_type: DatabaseType) -> bool {
     )
 }
 
+fn is_opengauss_like(database_type: DatabaseType) -> bool {
+    matches!(database_type, DatabaseType::Gaussdb | DatabaseType::OpenGauss)
+}
+
 fn is_mysql_like(database_type: DatabaseType) -> bool {
     matches!(database_type, DatabaseType::Mysql | DatabaseType::Goldendb)
 }
@@ -336,6 +350,18 @@ fn ensure_semicolon(sql: &str) -> String {
     }
 }
 
+fn strip_standalone_trailing_slash(sql: &str) -> &str {
+    let trimmed = sql.trim();
+    let Some(without_slash) = trimmed.strip_suffix('/') else {
+        return trimmed;
+    };
+    if without_slash.ends_with('\n') || without_slash.ends_with('\r') {
+        without_slash.trim_end()
+    } else {
+        trimmed
+    }
+}
+
 fn mysql_delimited_routine_source(source: &str) -> String {
     let trimmed = source.trim();
     if Regex::new(r"(?i)^\s*DELIMITER\b").unwrap().is_match(trimmed) {
@@ -1619,6 +1645,20 @@ mod tests {
         assert_eq!(sql, "CREATE PROCEDURE `refresh_cache`() BEGIN SELECT 1; END;");
     }
 
+    #[test]
+    fn opengauss_procedure_source_omits_gsql_trailing_slash() {
+        let source = "CREATE OR REPLACE PROCEDURE public.refresh_cache()\nAS DECLARE BEGIN\n  NULL;\nEND;\n/";
+        let expected = "CREATE OR REPLACE PROCEDURE public.refresh_cache()\nAS DECLARE BEGIN\n  NULL;\nEND;";
+
+        for database_type in [DatabaseType::Gaussdb, DatabaseType::OpenGauss] {
+            let editable = build_editable_object_source(input(database_type, ObjectSourceKind::Procedure, source));
+            assert_eq!(editable, expected);
+
+            let exported = build_export_object_source_sql(database_type, ObjectSourceKind::Procedure, source);
+            assert_eq!(exported, expected);
+        }
+    }
+
     #[test]
     fn mysql_routine_export_uses_delimiter_script() {
         let sql = build_export_object_source_sql(