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authorChad MILLER <chad@mysql.com>2008-12-17 15:01:34 -0500
committerChad MILLER <chad@mysql.com>2008-12-17 15:01:34 -0500
commit926e5f6694d1bb1dd5b8074efd526fd8983b620f (patch)
tree14bfefa872195990d45ab8f3ee850730cd31ed1b /sql/sql_base.cc
parent27d35e3517a063c9259a0f8b9638bf3073cf020b (diff)
parent4d1a042df0c52fd7c721313ec84d39e2b2c0a2f6 (diff)
downloadmariadb-git-926e5f6694d1bb1dd5b8074efd526fd8983b620f.tar.gz
Merged from 5.0 (enterprise).
Diffstat (limited to 'sql/sql_base.cc')
-rw-r--r--sql/sql_base.cc41
1 files changed, 35 insertions, 6 deletions
diff --git a/sql/sql_base.cc b/sql/sql_base.cc
index 9cdcc2bbb75..ef3d10c468f 100644
--- a/sql/sql_base.cc
+++ b/sql/sql_base.cc
@@ -2102,7 +2102,10 @@ bool reopen_table(TABLE *table,bool locked)
for (key=0 ; key < table->s->keys ; key++)
{
for (part=0 ; part < table->key_info[key].usable_key_parts ; part++)
+ {
table->key_info[key].key_part[part].field->table= table;
+ table->key_info[key].key_part[part].field->orig_table= table;
+ }
}
if (table->triggers)
table->triggers->set_table(table);
@@ -3617,8 +3620,21 @@ find_field_in_natural_join(THD *thd, TABLE_LIST *table_ref, const char *name,
{
/* This is a base table. */
DBUG_ASSERT(nj_col->view_field == NULL);
- DBUG_ASSERT(nj_col->table_ref->table == nj_col->table_field->table);
- found_field= nj_col->table_field;
+ /*
+ This fix_fields is not necessary (initially this item is fixed by
+ the Item_field constructor; after reopen_tables the Item_func_eq
+ calls fix_fields on that item), it's just a check during table
+ reopening for columns that was dropped by the concurrent connection.
+ */
+ if (!nj_col->table_field->fixed &&
+ nj_col->table_field->fix_fields(thd, (Item **)&nj_col->table_field))
+ {
+ DBUG_PRINT("info", ("column '%s' was dropped by the concurrent connection",
+ nj_col->table_field->name));
+ DBUG_RETURN(NULL);
+ }
+ DBUG_ASSERT(nj_col->table_ref->table == nj_col->table_field->field->table);
+ found_field= nj_col->table_field->field;
update_field_dependencies(thd, found_field, nj_col->table_ref->table);
}
@@ -4450,7 +4466,7 @@ mark_common_columns(THD *thd, TABLE_LIST *table_ref_1, TABLE_LIST *table_ref_2,
const char *field_name_1;
/* true if field_name_1 is a member of using_fields */
bool is_using_column_1;
- if (!(nj_col_1= it_1.get_or_create_column_ref(leaf_1)))
+ if (!(nj_col_1= it_1.get_or_create_column_ref(thd, leaf_1)))
goto err;
field_name_1= nj_col_1->name();
is_using_column_1= using_fields &&
@@ -4471,7 +4487,7 @@ mark_common_columns(THD *thd, TABLE_LIST *table_ref_1, TABLE_LIST *table_ref_2,
{
Natural_join_column *cur_nj_col_2;
const char *cur_field_name_2;
- if (!(cur_nj_col_2= it_2.get_or_create_column_ref(leaf_2)))
+ if (!(cur_nj_col_2= it_2.get_or_create_column_ref(thd, leaf_2)))
goto err;
cur_field_name_2= cur_nj_col_2->name();
DBUG_PRINT ("info", ("cur_field_name_2=%s.%s",
@@ -4957,15 +4973,24 @@ static bool setup_natural_join_row_types(THD *thd,
TABLE_LIST *left_neighbor;
/* Table reference to the right of the current. */
TABLE_LIST *right_neighbor= NULL;
+ bool save_first_natural_join_processing=
+ context->select_lex->first_natural_join_processing;
+
+ context->select_lex->first_natural_join_processing= FALSE;
/* Note that tables in the list are in reversed order */
for (left_neighbor= table_ref_it++; left_neighbor ; )
{
table_ref= left_neighbor;
left_neighbor= table_ref_it++;
- /* For stored procedures do not redo work if already done. */
- if (context->select_lex->first_execution)
+ /*
+ Do not redo work if already done:
+ 1) for stored procedures,
+ 2) for multitable update after lock failure and table reopening.
+ */
+ if (save_first_natural_join_processing)
{
+ context->select_lex->first_natural_join_processing= FALSE;
if (store_top_level_join_columns(thd, table_ref,
left_neighbor, right_neighbor))
return TRUE;
@@ -5486,6 +5511,10 @@ insert_fields(THD *thd, Name_resolution_context *context, const char *db_name,
if (!(item= field_iterator.create_item(thd)))
DBUG_RETURN(TRUE);
+ DBUG_ASSERT(item->fixed);
+ /* cache the table for the Item_fields inserted by expanding stars */
+ if (item->type() == Item::FIELD_ITEM && tables->cacheable_table)
+ ((Item_field *)item)->cached_table= tables;
if (!found)
{