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Merge

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This commit is contained in:
acurtis@xiphis.org
2005-06-09 17:15:06 +01:00
parent d08d1a88e0 304bb0c66d
commit 3b8c3bd7e1
15 changed files with 220 additions and 48 deletions
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42
sql/sql_handler.cc
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@@ -413,8 +413,6 @@ bool mysql_ha_read(THD *thd, TABLE_LIST *tables,
cond->fix_fields(thd, tables, &cond)) || cond->check_cols(1)))
goto err0;
table->file->init_table_handle_for_HANDLER(); // Only InnoDB requires it
if (keyname)
{
if ((keyno=find_type(keyname, &table->s->keynames, 1+2)-1)<0)
@@ -422,8 +420,6 @@ bool mysql_ha_read(THD *thd, TABLE_LIST *tables,
my_error(ER_KEY_DOES_NOT_EXITS, MYF(0), keyname, tables->alias);
goto err0;
}
table->file->ha_index_or_rnd_end();
table->file->ha_index_init(keyno);
}
if (insert_fields(thd, tables, tables->db, tables->alias, &it, 0, 0))
@@ -449,9 +445,22 @@ bool mysql_ha_read(THD *thd, TABLE_LIST *tables,
for (num_rows=0; num_rows < select_limit_cnt; )
{
switch (mode) {
case RNEXT:
if (table->file->inited != handler::NONE)
{
error=keyname ?
table->file->index_next(table->record[0]) :
table->file->rnd_next(table->record[0]);
break;
}
/* else fall through */
case RFIRST:
if (keyname)
{
table->file->ha_index_or_rnd_end();
table->file->ha_index_init(keyno);
error= table->file->index_first(table->record[0]);
}
else
{
table->file->ha_index_or_rnd_end();
@@ -460,19 +469,20 @@ bool mysql_ha_read(THD *thd, TABLE_LIST *tables,
}
mode=RNEXT;
break;
case RLAST:
DBUG_ASSERT(keyname != 0);
error= table->file->index_last(table->record[0]);
mode=RPREV;
break;
case RNEXT:
error= (keyname ?
table->file->index_next(table->record[0]) :
table->file->rnd_next(table->record[0]));
break;
case RPREV:
DBUG_ASSERT(keyname != 0);
error= table->file->index_prev(table->record[0]);
if (table->file->inited != handler::NONE)
{
error=table->file->index_prev(table->record[0]);
break;
}
/* else fall through */
case RLAST:
DBUG_ASSERT(keyname != 0);
table->file->ha_index_or_rnd_end();
table->file->ha_index_init(keyno);
error= table->file->index_last(table->record[0]);
mode=RPREV;
break;
case RNEXT_SAME:
/* Continue scan on "(keypart1,keypart2,...)=(c1, c2, ...) */
@@ -508,6 +518,8 @@ bool mysql_ha_read(THD *thd, TABLE_LIST *tables,
}
if (!(key= (byte*) thd->calloc(ALIGN_SIZE(key_len))))
goto err;
table->file->ha_index_or_rnd_end();
table->file->ha_index_init(keyno);
key_copy(key, table->record[0], table->key_info + keyno, key_len);
error= table->file->index_read(table->record[0],
key,key_len,ha_rkey_mode);