change vcol->non_deterministic to vcol->flags

sql/field.cc

@@ -9766,7 +9766,7 @@ bool check_expression(Virtual_column_info *vcol, const char *type,
 
   res.errors= 0;
   ret= vcol->expr_item->walk(&Item::check_vcol_func_processor, 0, &res);
-  vcol->non_deterministic= res.errors & VCOL_NON_DETERMINISTIC;
+  vcol->flags= res.errors;
 
   if (ret ||
       (res.errors &

sql/field.h

@@ -546,6 +546,12 @@ inline bool is_temporal_type_with_time(enum_field_types type)
   }
 }
 
+/* Bits for type of vcol expression */
+#define VCOL_DETERMINISTIC     0                /* Normal (no bit set) */
+#define VCOL_UNKNOWN           1  /* UDF used; Need fix_fields() to know */
+#define VCOL_NON_DETERMINISTIC 2
+#define VCOL_TIME_FUNC         4
+#define VCOL_IMPOSSIBLE        8
 
 /*
   Virtual_column_info is the class to contain additional
@@ -571,18 +577,18 @@ class Virtual_column_info: public Sql_alloc
 public:
   /* Flag indicating  that the field is physically stored in the database */
   bool stored_in_db;
-  bool non_deterministic;
   bool utf8;                                    /* Already in utf8 */
   /* The expression to compute the value of the virtual column */
   Item *expr_item;
   /* Text representation of the defining expression */
   LEX_STRING expr_str;
   LEX_STRING name;                              /* Name of constraint */
+  uint flags;
 
   Virtual_column_info()
   : field_type((enum enum_field_types)MYSQL_TYPE_VIRTUAL),
-    in_partitioning_expr(FALSE), stored_in_db(FALSE), non_deterministic(FALSE),
-    utf8(TRUE), expr_item(NULL)
+    in_partitioning_expr(FALSE), stored_in_db(FALSE),
+    utf8(TRUE), expr_item(NULL), flags(0)
   {
     expr_str.str= name.str= NULL;
     name.length= 0;

sql/item.h

@@ -32,13 +32,6 @@ C_MODE_START
 #include <ma_dyncol.h>
 C_MODE_END
 
-/* Bits for type of vcol expression */
-#define VCOL_DETERMINISTIC     0                /* Normal (no bit set) */
-#define VCOL_UNKNOWN           1  /* UDF used; Need fix_fields() to know */
-#define VCOL_NON_DETERMINISTIC 2
-#define VCOL_TIME_FUNC         4
-#define VCOL_IMPOSSIBLE        8
-
 class Protocol;
 struct TABLE_LIST;
 void item_init(void);			/* Init item functions */

sql/table.cc

@@ -2208,7 +2208,7 @@ int TABLE_SHARE::init_from_binary_frm_image(THD *thd, bool write,
       vcol_info->expr_str.str=    expr;
       vcol_info->expr_str.length= expr_length;
       vcol_screen_pos+=           expr_length;
-      vcol_info->non_deterministic= flags & 1;
+      vcol_info->flags=           flags;
       vcol_info->stored_in_db= 0;
 
       switch (type) {
@@ -2578,15 +2578,6 @@ static bool fix_vcol_expr(THD *thd,
   /* fix_fields could change the expression */
   func_expr= vcol->expr_item;
 
-  /*
-    Mark what kind of default / virtual fields the table has
-    Here we assume that things has not changed since table was created.
-    If we decide to not trust functions, we could instead call
-    expr_item->walk(&Item::check_vcol_func_processor)
-  */
-  if (vcol->stored_in_db && vcol->non_deterministic)
-    table->s->non_determinstic_insert= 1;
-
   /* Number of columns will be checked later */
   thd->where= save_where;
   if (unlikely(func_expr->result_type() == ROW_RESULT))
@@ -2602,7 +2593,6 @@ static bool fix_vcol_expr(THD *thd,
       goto end;
   }
 
-#ifdef PARANOID
   /*
     Walk through the Item tree checking if all items are valid
     to be part of the virtual column
@@ -2614,10 +2604,17 @@ static bool fix_vcol_expr(THD *thd,
   if (error || (res.errors & VCOL_IMPOSSIBLE))
   {
     my_error(ER_VIRTUAL_COLUMN_FUNCTION_IS_NOT_ALLOWED, MYF(0), res.name,
-             "???", field_name);
+             "???", field->field_name);
     goto end;
   }
-#endif
+  vcol->flags= res.errors;
+
+  /*
+    Mark what kind of default / virtual fields the table has
+  */
+  if (vcol->stored_in_db && vcol->flags & VCOL_NON_DETERMINISTIC)
+    table->s->non_determinstic_insert= 1;
+
   result= FALSE;
 
 end:
@@ -2759,7 +2756,6 @@ Virtual_column_info *unpack_vcol_info_from_frm(THD *thd,
     fix_vcol_expr() to mark if we are using non deterministic functions.
   */
   vcol_storage.vcol_info->stored_in_db=      vcol->stored_in_db;
-  vcol_storage.vcol_info->non_deterministic= vcol->non_deterministic;
   vcol_storage.vcol_info->name=              vcol->name;
   vcol_storage.vcol_info->utf8=              vcol->utf8;
   /* Validate the Item tree. */

sql/unireg.cc

@@ -576,7 +576,7 @@ static void pack_expression(uchar **buff, Virtual_column_info *vcol,
   int2store((*buff)+2, vcol->expr_str.length);
   (*buff)[4]= (uchar) type;
   (*buff)[5]= vcol->name.length;
-  (*buff)[6]= vcol->non_deterministic;          // 1 bit used for now
+  (*buff)[6]= vcol->flags;
   (*buff)+= FRM_VCOL_NEW_HEADER_SIZE;
   memcpy((*buff), vcol->name.str, vcol->name.length);
   (*buff)+= vcol->name.length;