From 4afb7365764b7a0e6a4ea4fa7022c8141663059a Mon Sep 17 00:00:00 2001
From: "serg@serg.mylan" <>
Date: Wed, 16 Mar 2005 08:42:06 +0100
Subject: [PATCH] sql/handler.cc     smarter xid-to-str routiine     fixed
 assert crash in XA RECOVER sql/sql_parse.cc     XA COMMIT/ROLLBACK did not
 send_ok in some cases

---
 sql/handler.cc   | 26 ++++++++++++++++++++------
 sql/sql_parse.cc |  8 ++++----
 2 files changed, 24 insertions(+), 10 deletions(-)

diff --git a/sql/handler.cc b/sql/handler.cc
index f33f987ef77..67a69201e3d 100644
--- a/sql/handler.cc
+++ b/sql/handler.cc
@@ -762,6 +762,14 @@ static char* xid_to_str(char *buf, XID *xid)
   for (i=0; i < xid->gtrid_length+xid->bqual_length; i++)
   {
     uchar c=(uchar)xid->data[i];
+    bool is_next_dig;
+    if (i < XIDDATASIZE)
+    {
+      char ch=xid->data[i+1];
+      is_next_dig=(c >= '0' && c <='9');
+    }
+    else
+      is_next_dig=FALSE;
     if (i == xid->gtrid_length)
     {
       *s++='\'';
@@ -774,9 +782,11 @@ static char* xid_to_str(char *buf, XID *xid)
     if (c < 32 || c > 126)
     {
       *s++='\\';
-      *s++='x';
-      *s++=_dig_vec_lower[c >> 4];
-      *s++=_dig_vec_lower[c & 15];
+      if (c > 077 || is_next_dig)
+        *s++=_dig_vec_lower[c >> 6];
+      if (c > 007 || is_next_dig)
+        *s++=_dig_vec_lower[(c >> 3) & 7];
+      *s++=_dig_vec_lower[c & 7];
     }
     else
     {
@@ -862,6 +872,10 @@ int ha_recover(HASH *commit_list)
         my_xid x=list[i].get_my_xid();
         if (!x) // not "mine" - that is generated by external TM
         {
+#ifndef DBUG_OFF
+          char buf[XIDDATASIZE*4+6]; // see xid_to_str
+          sql_print_information("ignore xid %s", xid_to_str(buf, list+i));
+#endif
           found_foreign_xids++;
           continue;
         }
@@ -962,9 +976,9 @@ bool mysql_xa_recover(THD *thd)
         if (xid->get_my_xid())
           continue; // skip "our" xids
         protocol->prepare_for_resend();
-        protocol->store_long((longlong)xid->formatID);
-        protocol->store_long((longlong)xid->gtrid_length);
-        protocol->store_long((longlong)xid->bqual_length);
+        protocol->store_longlong((longlong)xid->formatID, FALSE);
+        protocol->store_longlong((longlong)xid->gtrid_length, FALSE);
+        protocol->store_longlong((longlong)xid->bqual_length, FALSE);
         protocol->store(xid->data, xid->gtrid_length+xid->bqual_length,
                         &my_charset_bin);
         if (protocol->write())
diff --git a/sql/sql_parse.cc b/sql/sql_parse.cc
index d5ed8c8efb0..2e3b3d5ff0d 100644
--- a/sql/sql_parse.cc
+++ b/sql/sql_parse.cc
@@ -4382,6 +4382,8 @@ unsent_create_error:
     {
       if (!(res= !ha_commit_or_rollback_by_xid(&thd->lex->ident, 1)))
         my_error(ER_XAER_NOTA, MYF(0));
+      else
+        send_ok(thd);
       break;
     }
     if (thd->transaction.xa_state == XA_IDLE && thd->lex->xa_opt == XA_ONE_PHASE)
@@ -4390,9 +4392,7 @@ unsent_create_error:
       if ((r= ha_commit(thd)))
         my_error(r == 1 ? ER_XA_RBROLLBACK : ER_XAER_RMERR, MYF(0));
       else
-      {
         send_ok(thd);
-      }
     }
     else
     if (thd->transaction.xa_state == XA_PREPARED && thd->lex->xa_opt == XA_NONE)
@@ -4400,9 +4400,7 @@ unsent_create_error:
       if (ha_commit_one_phase(thd, 1))
         my_error(ER_XAER_RMERR, MYF(0));
       else
-      {
         send_ok(thd);
-      }
     }
     else
     {
@@ -4419,6 +4417,8 @@ unsent_create_error:
     {
       if (!(res= !ha_commit_or_rollback_by_xid(&thd->lex->ident, 0)))
         my_error(ER_XAER_NOTA, MYF(0));
+      else
+        send_ok(thd);
       break;
     }
     if (thd->transaction.xa_state != XA_IDLE &&