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-rw-r--r--sql/item.cc26
-rw-r--r--sql/item.h13
-rw-r--r--sql/table.cc4
3 files changed, 40 insertions, 3 deletions
diff --git a/sql/item.cc b/sql/item.cc
index ec4c2e6e662..e34905a2e7f 100644
--- a/sql/item.cc
+++ b/sql/item.cc
@@ -556,6 +556,18 @@ Item_ident::Item_ident(Name_resolution_context *context_arg,
}
+Item_ident::Item_ident(TABLE_LIST *view_arg, const char *field_name_arg)
+ :orig_db_name(NullS), orig_table_name(view_arg->table_name),
+ orig_field_name(field_name_arg), context(&view_arg->view->select_lex.context),
+ db_name(NullS), table_name(view_arg->alias),
+ field_name(field_name_arg),
+ alias_name_used(FALSE), cached_field_index(NO_CACHED_FIELD_INDEX),
+ cached_table(NULL), depended_from(NULL)
+{
+ name = (char*) field_name_arg;
+}
+
+
/**
Constructor used by Item_field & Item_*_ref (see Item comment)
*/
@@ -5721,6 +5733,20 @@ Item_ref::Item_ref(Name_resolution_context *context_arg,
}
+Item_ref::Item_ref(TABLE_LIST *view_arg, Item **item,
+ const char *field_name_arg, bool alias_name_used_arg)
+ :Item_ident(view_arg, field_name_arg),
+ result_field(NULL), ref(item)
+{
+ alias_name_used= alias_name_used_arg;
+ /*
+ This constructor is used to create some internal references over fixed items
+ */
+ if (ref && *ref && (*ref)->fixed)
+ set_properties();
+}
+
+
/**
Resolve the name of a reference to a column reference.
diff --git a/sql/item.h b/sql/item.h
index d2e8382023b..77b6e28e98b 100644
--- a/sql/item.h
+++ b/sql/item.h
@@ -1402,6 +1402,7 @@ public:
const char *db_name_arg, const char *table_name_arg,
const char *field_name_arg);
Item_ident(THD *thd, Item_ident *item);
+ Item_ident(TABLE_LIST *view_arg, const char *field_name_arg);
const char *full_name() const;
void cleanup();
bool remove_dependence_processor(uchar * arg);
@@ -2222,6 +2223,8 @@ public:
Item_ref(Name_resolution_context *context_arg, Item **item,
const char *table_name_arg, const char *field_name_arg,
bool alias_name_used_arg= FALSE);
+ Item_ref(TABLE_LIST *view_arg, Item **item,
+ const char *field_name_arg, bool alias_name_used_arg= FALSE);
/* Constructor need to process subselect with temporary tables (see Item) */
Item_ref(THD *thd, Item_ref *item)
@@ -2337,6 +2340,12 @@ public:
{}
/* Constructor need to process subselect with temporary tables (see Item) */
Item_direct_ref(THD *thd, Item_direct_ref *item) : Item_ref(thd, item) {}
+ Item_direct_ref(TABLE_LIST *view_arg, Item **item,
+ const char *field_name_arg,
+ bool alias_name_used_arg= FALSE)
+ :Item_ref(view_arg, item, field_name_arg,
+ alias_name_used_arg)
+ {}
double val_real();
longlong val_int();
@@ -2362,6 +2371,10 @@ public:
/* Constructor need to process subselect with temporary tables (see Item) */
Item_direct_view_ref(THD *thd, Item_direct_ref *item)
:Item_direct_ref(thd, item) {}
+ Item_direct_view_ref(TABLE_LIST *view_arg, Item **item,
+ const char *field_name_arg)
+ :Item_direct_ref(view_arg, item, field_name_arg)
+ {}
bool fix_fields(THD *, Item **);
bool eq(const Item *item, bool binary_cmp) const;
diff --git a/sql/table.cc b/sql/table.cc
index 8758596d408..a4e2c59fb87 100644
--- a/sql/table.cc
+++ b/sql/table.cc
@@ -4023,9 +4023,7 @@ Item *create_view_field(THD *thd, TABLE_LIST *view, Item **field_ref,
{
DBUG_RETURN(field);
}
- Item *item= new Item_direct_view_ref(&view->view->select_lex.context,
- field_ref, view->alias,
- name);
+ Item *item= new Item_direct_view_ref(view, field_ref, name);
DBUG_RETURN(item);
}