GNU bug report logs - #58363
29.0.50; sqlite-select does not signal errors and errors should be improved

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From: Jonas Bernoulli <jonas <at> bernoul.li>
To: 58363 <at> debbugs.gnu.org
Subject: bug#58363: [PATCH 3/3] Improve error data signaled by sqlite-execute et al.
Date: Fri, 21 Oct 2022 23:06:36 +0200

* src/sqlite.c (load_dll_functions): Update.
(sqlite_prepare_errdata): New function.
(sqlite_prepare_errmsg): Remove function.
(sqlite-execute, sqlite-select): Use new function.
---
 src/sqlite.c | 23 +++++++++++++----------
 1 file changed, 13 insertions(+), 10 deletions(-)

diff --git a/src/sqlite.c b/src/sqlite.c
index 78b261fb08..d6cb38a29a 100644
--- a/src/sqlite.c
+++ b/src/sqlite.c
@@ -50,6 +50,7 @@ DEF_DLL_FN (SQLITE_API int, sqlite3_bind_int64,
 DEF_DLL_FN (SQLITE_API int, sqlite3_bind_double, (sqlite3_stmt*, int, double));
 DEF_DLL_FN (SQLITE_API int, sqlite3_bind_null, (sqlite3_stmt*, int));
 DEF_DLL_FN (SQLITE_API int, sqlite3_bind_int, (sqlite3_stmt*, int, int));
+DEF_DLL_FN (SQLITE_API int, sqlite3_extended_errcode, (sqlite3*));
 DEF_DLL_FN (SQLITE_API const char*, sqlite3_errmsg, (sqlite3*));
 DEF_DLL_FN (SQLITE_API const char*, sqlite3_errstr, (int));
 DEF_DLL_FN (SQLITE_API int, sqlite3_step, (sqlite3_stmt*));
@@ -88,6 +89,7 @@ DEF_DLL_FN (SQLITE_API int, sqlite3_load_extension,
 # undef sqlite3_bind_double
 # undef sqlite3_bind_null
 # undef sqlite3_bind_int
+# undef sqlite3_extended_errcode
 # undef sqlite3_errmsg
 # undef sqlite3_errstr
 # undef sqlite3_step
@@ -113,6 +115,7 @@ DEF_DLL_FN (SQLITE_API int, sqlite3_load_extension,
 # define sqlite3_bind_double fn_sqlite3_bind_double
 # define sqlite3_bind_null fn_sqlite3_bind_null
 # define sqlite3_bind_int fn_sqlite3_bind_int
+# define sqlite3_extended_errcode fn_sqlite3_extended_errcode
 # define sqlite3_errmsg fn_sqlite3_errmsg
 # define sqlite3_errstr fn_sqlite3_errstr
 # define sqlite3_step fn_sqlite3_step
@@ -141,6 +144,7 @@ load_dll_functions (HMODULE library)
   LOAD_DLL_FN (library, sqlite3_bind_double);
   LOAD_DLL_FN (library, sqlite3_bind_null);
   LOAD_DLL_FN (library, sqlite3_bind_int);
+  LOAD_DLL_FN (library, sqlite3_extended_errcode);
   LOAD_DLL_FN (library, sqlite3_errmsg);
   LOAD_DLL_FN (library, sqlite3_errstr);
   LOAD_DLL_FN (library, sqlite3_step);
@@ -422,16 +426,15 @@ row_to_value (sqlite3_stmt *stmt)
 }
 
 static Lisp_Object
-sqlite_prepare_errmsg (int code, sqlite3 *sdb)
+sqlite_prepare_errdata (int code, sqlite3 *sdb)
 {
-  Lisp_Object errmsg = build_string (sqlite3_errstr (code));
+  Lisp_Object errstr = build_string (sqlite3_errstr (code));
+  Lisp_Object errcode = make_fixnum (code);
   /* More details about what went wrong.  */
-  const char *sql_error = sqlite3_errmsg (sdb);
-  if (sql_error)
-    return CALLN (Fformat, build_string ("%s (%s)"),
-		  errmsg, build_string (sql_error));
-  else
-    return errmsg;
+  Lisp_Object ext_errcode = make_fixnum (sqlite3_extended_errcode (sdb));
+  const char *errmsg = sqlite3_errmsg (sdb);
+  return list4 (errstr, errmsg ? build_string (errmsg) : Qnil,
+		errcode, ext_errcode);
 }
 
 DEFUN ("sqlite-execute", Fsqlite_execute, Ssqlite_execute, 2, 3, 0,
@@ -466,7 +469,7 @@ DEFUN ("sqlite-execute", Fsqlite_execute, Ssqlite_execute, 2, 3, 0,
 	  sqlite3_reset (stmt);
 	}
 
-      errmsg = sqlite_prepare_errmsg (ret, sdb);
+      errmsg = sqlite_prepare_errdata (ret, sdb);
       goto exit;
     }
 
@@ -553,7 +556,7 @@ DEFUN ("sqlite-select", Fsqlite_select, Ssqlite_select, 2, 4, 0,
     {
       if (stmt)
 	sqlite3_finalize (stmt);
-      errmsg = sqlite_prepare_errmsg (ret, sdb);
+      errmsg = sqlite_prepare_errdata (ret, sdb);
       goto exit;
     }
 
-- 
2.38.0

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