1 files changed, 78 insertions, 0 deletions
diff --git a/storage/maria/ma_rsame.c b/storage/maria/ma_rsame.c
new file mode 100644
index 00000000..ae9545b9
--- /dev/null
+++ b/storage/maria/ma_rsame.c
@@ -0,0 +1,78 @@
+/* Copyright (C) 2006 MySQL AB & MySQL Finland AB & TCX DataKonsult AB
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; version 2 of the License.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 USA */
+
+#include "maria_def.h"
+
+/**
+  Find current row with read on position or read on key
+
+  @notes
+  If inx >= 0 find record using key else re-read row on last position
+
+  @warning
+  This function is not row version safe.
+  This is not crtical as this function is not used by MySQL
+
+  @return
+  @retval 0                      Ok
+  @retval HA_ERR_KEY_NOT_FOUND   Row is deleted
+  @retval HA_ERR_END_OF_FILE     End of file
+  @retval HA_ERR_WRONG_INDEX	 Wrong inx argument
+*/
+
+
+int maria_rsame(MARIA_HA *info, uchar *record, int inx)
+{
+  DBUG_ENTER("maria_rsame");
+
+  if (inx >= 0 && _ma_check_index(info, inx) < 0)
+  {
+    DBUG_PRINT("error", ("wrong index usage"));
+    DBUG_RETURN(my_errno);
+  }
+  if (info->cur_row.lastpos == HA_OFFSET_ERROR ||
+      info->update & HA_STATE_DELETED)
+  {
+    DBUG_PRINT("error", ("no current record"));
+    DBUG_RETURN(my_errno=HA_ERR_KEY_NOT_FOUND);	/* No current record */
+  }
+  info->update&= (HA_STATE_CHANGED | HA_STATE_ROW_CHANGED);
+
+  /* Read row from data file */
+  if (fast_ma_readinfo(info))
+    DBUG_RETURN(my_errno);
+
+  if (inx >= 0)
+  {
+    MARIA_KEYDEF *keyinfo= info->last_key.keyinfo;
+    (*keyinfo->make_key)(info, &info->last_key, (uint) inx,
+                         info->lastkey_buff, record,
+                         info->cur_row.lastpos,
+                         info->cur_row.trid);
+    if (info->s->lock_key_trees)
+      mysql_rwlock_rdlock(&keyinfo->root_lock);
+    _ma_search(info, &info->last_key, SEARCH_SAME,
+		    info->s->state.key_root[inx]);
+    if (info->s->lock_key_trees)
+      mysql_rwlock_unlock(&keyinfo->root_lock);
+  }
+
+  if (!(*info->read_record)(info, record, info->cur_row.lastpos))
+    DBUG_RETURN(0);
+  if (my_errno == HA_ERR_RECORD_DELETED)
+    my_errno=HA_ERR_KEY_NOT_FOUND;
+  DBUG_PRINT("error", ("my_errno: %d", my_errno));
+  DBUG_RETURN(my_errno);
+} /* maria_rsame */