more DBUG_xxx tags

myisam/ft_update.c

@@ -31,18 +31,24 @@
 void _mi_ft_segiterator_init(MI_INFO *info, uint keynr, const byte *record,
 			     FT_SEG_ITERATOR *ftsi)
 {
+  DBUG_ENTER("_mi_ft_segiterator_init");
+
   ftsi->num=info->s->keyinfo[keynr].keysegs;
   ftsi->seg=info->s->keyinfo[keynr].seg;
   ftsi->rec=record;
+  DBUG_VOID_RETURN;
 }
 
 void _mi_ft_segiterator_dummy_init(const byte *record, uint len,
 				   FT_SEG_ITERATOR *ftsi)
 {
+  DBUG_ENTER("_mi_ft_segiterator_dummy_init");
+
   ftsi->num=1;
   ftsi->seg=0;
   ftsi->pos=record;
   ftsi->len=len;
+  DBUG_VOID_RETURN;
 }
 
 /*
@@ -56,14 +62,16 @@ void _mi_ft_segiterator_dummy_init(const byte *record, uint len,
 
 uint _mi_ft_segiterator(register FT_SEG_ITERATOR *ftsi)
 {
-  if (!ftsi->num) return 0; else ftsi->num--;
-  if (!ftsi->seg) return 1; else ftsi->seg--;
+  DBUG_ENTER("_mi_ft_segiterator");
+
+  if (!ftsi->num) DBUG_RETURN(0) else ftsi->num--;
+  if (!ftsi->seg) DBUG_RETURN(1) else ftsi->seg--;
 
   if (ftsi->seg->null_bit &&
       (ftsi->rec[ftsi->seg->null_pos] & ftsi->seg->null_bit))
   {
       ftsi->pos=0;
-      return 1;
+      DBUG_RETURN(1);
   }
   ftsi->pos= ftsi->rec+ftsi->seg->start;
   if (ftsi->seg->flag & HA_VAR_LENGTH)
@@ -71,7 +79,7 @@ uint _mi_ft_segiterator(register FT_SEG_ITERATOR *ftsi)
     ftsi->len=uint2korr(ftsi->pos);
     ftsi->pos+=2;				 /* Skip VARCHAR length */
     set_if_smaller(ftsi->len,ftsi->seg->length);
-    return 1;
+    DBUG_RETURN(1);
   }
   if (ftsi->seg->flag & HA_BLOB_PART)
   {
@@ -79,10 +87,10 @@ uint _mi_ft_segiterator(register FT_SEG_ITERATOR *ftsi)
     memcpy_fixed((char*) &ftsi->pos, ftsi->pos+ftsi->seg->bit_start,
 		 sizeof(char*));
     set_if_smaller(ftsi->len,ftsi->seg->length);
-    return 1;
+    DBUG_RETURN(1);
   }
   ftsi->len=ftsi->seg->length;
-  return 1;
+  DBUG_RETURN(1);
 }
 
 
@@ -91,6 +99,8 @@ uint _mi_ft_segiterator(register FT_SEG_ITERATOR *ftsi)
 uint _mi_ft_parse(TREE *parsed, MI_INFO *info, uint keynr, const byte *record)
 {
   FT_SEG_ITERATOR ftsi;
+  DBUG_ENTER("_mi_ft_parse");
+
   _mi_ft_segiterator_init(info, keynr, record, &ftsi);
 
   ft_parse_init(parsed, info->s->keyinfo[keynr].seg->charset);
@@ -98,9 +108,9 @@ uint _mi_ft_parse(TREE *parsed, MI_INFO *info, uint keynr, const byte *record)
   {
     if (ftsi.pos)
       if (ft_parse(parsed, (byte *)ftsi.pos, ftsi.len))
-        return 1;
+        DBUG_RETURN(1);
   }
-  return 0;
+  DBUG_RETURN(0);
 }
 
 FT_WORD * _mi_ft_parserecord(MI_INFO *info, uint keynr,
@@ -108,32 +118,35 @@ FT_WORD * _mi_ft_parserecord(MI_INFO *info, uint keynr,
 			     const byte *record)
 {
   TREE ptree;
+  DBUG_ENTER("_mi_ft_parserecord");
 
   bzero((char*) &ptree, sizeof(ptree));
   if (_mi_ft_parse(&ptree, info, keynr, record))
-    return NULL;
+    DBUG_RETURN(NULL);
 
-  return ft_linearize(&ptree);
+  DBUG_RETURN(ft_linearize(&ptree));
 }
 
 static int _mi_ft_store(MI_INFO *info, uint keynr, byte *keybuf,
 			FT_WORD *wlist, my_off_t filepos)
 {
   uint key_length;
+  DBUG_ENTER("_mi_ft_store");
 
   for (; wlist->pos; wlist++)
   {
     key_length=_ft_make_key(info,keynr,keybuf,wlist,filepos);
     if (_mi_ck_write(info,keynr,(uchar*) keybuf,key_length))
-      return 1;
+      DBUG_RETURN(1);
    }
-   return 0;
+   DBUG_RETURN(0);
 }
 
 static int _mi_ft_erase(MI_INFO *info, uint keynr, byte *keybuf,
 			FT_WORD *wlist, my_off_t filepos)
 {
   uint key_length, err=0;
+  DBUG_ENTER("_mi_ft_erase");
 
   for (; wlist->pos; wlist++)
   {
@@ -141,7 +154,7 @@ static int _mi_ft_erase(MI_INFO *info, uint keynr, byte *keybuf,
     if (_mi_ck_delete(info,keynr,(uchar*) keybuf,key_length))
       err=1;
    }
-   return err;
+   DBUG_RETURN(err);
 }
 
 /*
@@ -156,6 +169,8 @@ int _mi_ft_cmp(MI_INFO *info, uint keynr, const byte *rec1, const byte *rec2)
 {
   FT_SEG_ITERATOR ftsi1, ftsi2;
   CHARSET_INFO *cs=info->s->keyinfo[keynr].seg->charset;
+  DBUG_ENTER("_mi_ft_cmp");
+
   _mi_ft_segiterator_init(info, keynr, rec1, &ftsi1);
   _mi_ft_segiterator_init(info, keynr, rec2, &ftsi2);
 
@@ -165,9 +180,9 @@ int _mi_ft_cmp(MI_INFO *info, uint keynr, const byte *rec1, const byte *rec2)
         (!ftsi1.pos || !ftsi2.pos ||
          mi_compare_text(cs, (uchar*) ftsi1.pos,ftsi1.len,
                          (uchar*) ftsi2.pos,ftsi2.len,0)))
-      return THOSE_TWO_DAMN_KEYS_ARE_REALLY_DIFFERENT;
+      DBUG_RETURN(THOSE_TWO_DAMN_KEYS_ARE_REALLY_DIFFERENT);
   }
-  return GEE_THEY_ARE_ABSOLUTELY_IDENTICAL;
+  DBUG_RETURN(GEE_THEY_ARE_ABSOLUTELY_IDENTICAL);
 }
 
 
@@ -181,6 +196,7 @@ int _mi_ft_update(MI_INFO *info, uint keynr, byte *keybuf,
   CHARSET_INFO *cs=info->s->keyinfo[keynr].seg->charset;
   uint key_length;
   int cmp, cmp2;
+  DBUG_ENTER("_mi_ft_update");
 
   if (!(old_word=oldlist=_mi_ft_parserecord(info, keynr, keybuf, oldrec)))
     goto err0;
@@ -219,7 +235,7 @@ int _mi_ft_update(MI_INFO *info, uint keynr, byte *keybuf,
 err1:
     my_free((char*) oldlist,MYF(0));
 err0:
-  return error;
+  DBUG_RETURN(error);
 }
 
 
@@ -230,13 +246,14 @@ int _mi_ft_add(MI_INFO *info, uint keynr, byte *keybuf, const byte *record,
 {
   int error= -1;
   FT_WORD *wlist;
+  DBUG_ENTER("_mi_ft_add");
 
   if ((wlist=_mi_ft_parserecord(info, keynr, keybuf, record)))
   {
     error=_mi_ft_store(info,keynr,keybuf,wlist,pos);
     my_free((char*) wlist,MYF(0));
   }
-  return error;
+  DBUG_RETURN(error);
 }
 
 
@@ -247,27 +264,34 @@ int _mi_ft_del(MI_INFO *info, uint keynr, byte *keybuf, const byte *record,
 {
   int error= -1;
   FT_WORD *wlist;
+  DBUG_ENTER("_mi_ft_del");
+  DBUG_PRINT("enter",("keynr: %d",keynr));
+
   if ((wlist=_mi_ft_parserecord(info, keynr, keybuf, record)))
   {
     error=_mi_ft_erase(info,keynr,keybuf,wlist,pos);
     my_free((char*) wlist,MYF(0));
   }
-  return error;
+  DBUG_PRINT("exit",("Return: %d",error));
+  DBUG_RETURN(error);
 }
 
 uint _ft_make_key(MI_INFO *info, uint keynr, byte *keybuf, FT_WORD *wptr,
 		  my_off_t filepos)
 {
   byte buf[HA_FT_MAXLEN+16];
+  DBUG_ENTER("_ft_make_key");
 
 #if HA_FT_WTYPE == HA_KEYTYPE_FLOAT
-  float weight=(float) ((filepos==HA_OFFSET_ERROR) ? 0 : wptr->weight);
-  mi_float4store(buf,weight);
+  {
+    float weight=(float) ((filepos==HA_OFFSET_ERROR) ? 0 : wptr->weight);
+    mi_float4store(buf,weight);
+  }
 #else
 #error
 #endif
 
   int2store(buf+HA_FT_WLEN,wptr->len);
   memcpy(buf+HA_FT_WLEN+2,wptr->pos,wptr->len);
-  return _mi_make_key(info,keynr,(uchar*) keybuf,buf,filepos);
+  DBUG_RETURN(_mi_make_key(info,keynr,(uchar*) keybuf,buf,filepos));
 }

myisam/mi_delete.c

@@ -33,7 +33,7 @@ static int underflow(MI_INFO *info,MI_KEYDEF *keyinfo,uchar *anc_buff,
 static uint remove_key(MI_KEYDEF *keyinfo,uint nod_flag,uchar *keypos,
 		       uchar *lastkey,uchar *page_end,
 		       my_off_t *next_block);
-static int _mi_ck_real_delete(register MI_INFO *info, MI_KEYDEF *keyinfo,
+static int _mi_ck_real_delete(register MI_INFO *info,MI_KEYDEF *keyinfo,
 			      uchar *key, uint key_length, my_off_t *root);
 
 
@@ -188,6 +188,7 @@ static int _mi_ck_real_delete(register MI_INFO *info, MI_KEYDEF *keyinfo,
   }
 err:
   my_afree((gptr) root_buff);
+  DBUG_PRINT("exit",("Return: %d",error));
   DBUG_RETURN(error);
 } /* _mi_ck_real_delete */
 
@@ -234,6 +235,7 @@ static int d_search(register MI_INFO *info, register MI_KEYDEF *keyinfo,
     if (subkeys >= 0)
     {
       /* normal word, one-level tree structure */
+      DBUG_PRINT("info",("FT1"));
       flag=(*keyinfo->bin_search)(info,keyinfo,anc_buff,key,USE_WHOLE_KEY,
                                   comp_flag, &keypos, lastkey, &last_key);
       /* fall through to normal delete */
@@ -250,11 +252,13 @@ static int d_search(register MI_INFO *info, register MI_KEYDEF *keyinfo,
       if (subkeys == -1)
       {
         /* the last entry in sub-tree */
+        DBUG_PRINT("info",("FT2: the last entry"));
         _mi_dispose(info, keyinfo, root);
         /* fall through to normal delete */
       }
       else
       {
+        DBUG_PRINT("info",("FT2: going down"));
         keyinfo=&info->s->ft2_keyinfo;
         kpos-=keyinfo->keylength; /* we'll modify key entry 'in vivo' */
         key+=off;
@@ -265,6 +269,7 @@ static int d_search(register MI_INFO *info, register MI_KEYDEF *keyinfo,
         ft_intXstore(kpos, subkeys);
         if (!ret_value)
           ret_value=_mi_write_keypage(info,keyinfo,page,anc_buff);
+        DBUG_PRINT("exit",("Return: %d",ret_value));
         DBUG_RETURN(ret_value);
       }
     }
@@ -279,6 +284,7 @@ static int d_search(register MI_INFO *info, register MI_KEYDEF *keyinfo,
     {
       DBUG_PRINT("error",("Couldn't allocate memory"));
       my_errno=ENOMEM;
+      DBUG_PRINT("exit",("Return: %d",-1));
       DBUG_RETURN(-1);
     }
     if (!_mi_fetch_keypage(info,keyinfo,leaf_page,leaf_buff,0))
@@ -304,14 +310,20 @@ static int d_search(register MI_INFO *info, register MI_KEYDEF *keyinfo,
     tmp=remove_key(keyinfo,nod_flag,keypos,lastkey,anc_buff+length,
 		   &next_block);
     if (tmp == 0)
+    {
+      DBUG_PRINT("exit",("Return: %d",0));
       DBUG_RETURN(0);
+    }
     length-= tmp;
 
     mi_putint(anc_buff,length,nod_flag);
     if (!nod_flag)
     {						/* On leaf page */
       if (_mi_write_keypage(info,keyinfo,page,anc_buff))
+      {
+        DBUG_PRINT("exit",("Return: %d",-1));
 	DBUG_RETURN(-1);
+      }
       /* Page will be update later if we return 1 */
       DBUG_RETURN(test(length <= (info->quick_mode ? MI_MIN_KEYBLOCK_LENGTH :
 				  (uint) keyinfo->underflow_block_length)));
@@ -348,6 +360,7 @@ static int d_search(register MI_INFO *info, register MI_KEYDEF *keyinfo,
     DBUG_DUMP("page",(byte*) anc_buff,mi_getint(anc_buff));
   }
   my_afree((byte*) leaf_buff);
+  DBUG_PRINT("exit",("Return: %d",ret_value));
   DBUG_RETURN(ret_value);
 err:
   my_afree((byte*) leaf_buff);

myisam/mi_page.c

@@ -28,6 +28,9 @@ uchar *_mi_fetch_keypage(register MI_INFO *info, MI_KEYDEF *keyinfo,
 {
   uchar *tmp;
   uint page_size;
+  DBUG_ENTER("_mi_fetch_keypage");
+  DBUG_PRINT("enter",("page: %ld",page));
+
   tmp=(uchar*) key_cache_read(info->s->kfile,page,(byte*) buff,
 			     (uint) keyinfo->block_length,
 			     (uint) keyinfo->block_length,
@@ -39,7 +42,7 @@ uchar *_mi_fetch_keypage(register MI_INFO *info, MI_KEYDEF *keyinfo,
     DBUG_PRINT("error",("Got errno: %d from key_cache_read",my_errno));
     info->last_keypage=HA_OFFSET_ERROR;
     my_errno=HA_ERR_CRASHED;
-    return 0;
+    DBUG_RETURN(0);
   }
   info->last_keypage=page;
   page_size=mi_getint(tmp);
@@ -51,7 +54,7 @@ uchar *_mi_fetch_keypage(register MI_INFO *info, MI_KEYDEF *keyinfo,
     my_errno = HA_ERR_CRASHED;
     tmp = 0;
   }
-  return tmp;
+  DBUG_RETURN(tmp);
 } /* _mi_fetch_keypage */
 
 
@@ -61,6 +64,8 @@ int _mi_write_keypage(register MI_INFO *info, register MI_KEYDEF *keyinfo,
 		      my_off_t page, uchar *buff)
 {
   reg3 uint length;
+  DBUG_ENTER("_mi_write_keypage");
+
 #ifndef FAST					/* Safety check */
   if (page < info->s->base.keystart ||
       page+keyinfo->block_length > info->state->key_file_length ||
@@ -71,7 +76,7 @@ int _mi_write_keypage(register MI_INFO *info, register MI_KEYDEF *keyinfo,
 			(long) info->state->key_file_length,
 			(long) page));
     my_errno=EINVAL;
-    return(-1);
+    DBUG_RETURN((-1));
   }
   DBUG_PRINT("page",("write page at: %lu",(long) page,buff));
   DBUG_DUMP("buff",(byte*) buff,mi_getint(buff));
@@ -87,10 +92,10 @@ int _mi_write_keypage(register MI_INFO *info, register MI_KEYDEF *keyinfo,
     length=keyinfo->block_length;
   }
 #endif
-  return (key_cache_write(info->s->kfile,page,(byte*) buff,length,
+  DBUG_RETURN((key_cache_write(info->s->kfile,page,(byte*) buff,length,
 			 (uint) keyinfo->block_length,
 			 (int) ((info->lock_type != F_UNLCK) ||
-				info->s->delay_key_write)));
+				info->s->delay_key_write))));
 } /* mi_write_keypage */