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Merge olga.mysql.com:/home/igor/mysql-5.1

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into  olga.mysql.com:/home/igor/mysql-5.1-opt-merge


mysql-test/r/alter_table.result:
  Auto merged
mysql-test/r/create.result:
  Auto merged
mysql-test/r/innodb_mysql.result:
  Auto merged
mysql-test/r/sp.result:
  Auto merged
mysql-test/r/user_var.result:
  Auto merged
mysql-test/t/alter_table.test:
  Auto merged
mysql-test/t/sp.test:
  Auto merged
mysql-test/t/strict.test:
  Auto merged
mysql-test/t/subselect3.test:
  Auto merged
sql/field.h:
  Auto merged
sql/handler.h:
  Auto merged
sql/item_func.cc:
  Auto merged
sql/item_func.h:
  Auto merged
sql/mysqld.cc:
  Auto merged
sql/sp_head.cc:
  Auto merged
sql/sql_base.cc:
  Auto merged
sql/sql_class.h:
  Auto merged
sql/sql_select.cc:
  Auto merged
sql/sql_update.cc:
  Auto merged
mysql-test/r/ps_2myisam.result:
  Manual merge.
mysql-test/r/ps_3innodb.result:
  Manual merge.
mysql-test/r/ps_4heap.result:
  Manual merge.
mysql-test/r/ps_5merge.result:
  Manual merge.
mysql-test/r/ps_7ndb.result:
  Manual merge.
sql/sql_table.cc:
  Manual merge.
sql/sql_view.cc:
  Manual merge.
This commit is contained in:
unknown
2007-06-03 22:52:02 -07:00
parent 0484d44eeb 92fb5da372
commit f4caa3025a
83 changed files with 1920 additions and 606 deletions
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157
sql/sql_view.cc
View File

@ -692,6 +692,7 @@ static int mysql_register_view(THD *thd, TABLE_LIST *view,
char dir_buff[FN_REFLEN], path_buff[FN_REFLEN];
const char *endp;
LEX_STRING dir, file, path;
int error= 0;
DBUG_ENTER("mysql_register_view");
/* print query */
@ -702,80 +703,14 @@ static int mysql_register_view(THD *thd, TABLE_LIST *view,
lex->unit.print(&str);
thd->variables.sql_mode|= sql_mode;
}
str.append('\0');
DBUG_PRINT("info", ("View: %s", str.ptr()));
/* print file name */
dir.length= build_table_filename(dir_buff, sizeof(dir_buff),
view->db, "", "", 0);
dir.str= dir_buff;
path.length= build_table_filename(path_buff, sizeof(path_buff),
view->db, view->table_name, reg_ext, 0);
path.str= path_buff;
file.str= path.str + dir.length;
file.length= path.length - dir.length;
/* init timestamp */
if (!view->timestamp.str)
view->timestamp.str= view->timestamp_buffer;
/* check old .frm */
{
char path_buff[FN_REFLEN];
LEX_STRING path;
File_parser *parser;
path.str= path_buff;
fn_format(path_buff, file.str, dir.str, "", MY_UNPACK_FILENAME);
path.length= strlen(path_buff);
if (!access(path.str, F_OK))
{
if (mode == VIEW_CREATE_NEW)
{
my_error(ER_TABLE_EXISTS_ERROR, MYF(0), view->alias);
DBUG_RETURN(-1);
}
if (!(parser= sql_parse_prepare(&path, thd->mem_root, 0)))
DBUG_RETURN(1);
if (!parser->ok() || !is_equal(&view_type, parser->type()))
{
my_error(ER_WRONG_OBJECT, MYF(0), view->db, view->table_name, "VIEW");
DBUG_RETURN(-1);
}
/*
read revision number
TODO: read dependence list, too, to process cascade/restrict
TODO: special cascade/restrict procedure for alter?
*/
if (parser->parse((uchar*)view, thd->mem_root,
view_parameters + revision_number_position, 1,
&file_parser_dummy_hook))
{
DBUG_RETURN(thd->net.report_error? -1 : 0);
}
}
else
{
if (mode == VIEW_ALTER)
{
my_error(ER_NO_SUCH_TABLE, MYF(0), view->db, view->alias);
DBUG_RETURN(-1);
}
}
}
/* fill structure */
view->query.str= (char*)str.ptr();
view->query.length= str.length()-1; // we do not need last \0
view->query.str= str.c_ptr_safe();
view->query.length= str.length();
view->source.str= thd->query + thd->lex->create_view_select_start;
endp= view->source.str;
endp= skip_rear_comments(thd->charset(), endp, thd->query + thd->query_length);
endp= skip_rear_comments(endp, thd->query + thd->query_length);
view->source.length= endp - view->source.str;
view->file_version= 1;
view->calc_md5(md5);
@ -818,6 +753,78 @@ static int mysql_register_view(THD *thd, TABLE_LIST *view,
}
}
loop_out:
/* print file name */
dir.length= build_table_filename(dir_buff, sizeof(dir_buff),
view->db, "", "", 0);
dir.str= dir_buff;
path.length= build_table_filename(path_buff, sizeof(path_buff),
view->db, view->table_name, reg_ext, 0);
path.str= path_buff;
file.str= path.str + dir.length;
file.length= path.length - dir.length;
/* init timestamp */
if (!view->timestamp.str)
view->timestamp.str= view->timestamp_buffer;
/* check old .frm */
{
char path_buff[FN_REFLEN];
LEX_STRING path;
File_parser *parser;
path.str= path_buff;
fn_format(path_buff, file.str, dir.str, "", MY_UNPACK_FILENAME);
path.length= strlen(path_buff);
if (!access(path.str, F_OK))
{
if (mode == VIEW_CREATE_NEW)
{
my_error(ER_TABLE_EXISTS_ERROR, MYF(0), view->alias);
error= -1;
goto err;
}
if (!(parser= sql_parse_prepare(&path, thd->mem_root, 0)))
{
error= 1;
goto err;
}
if (!parser->ok() || !is_equal(&view_type, parser->type()))
{
my_error(ER_WRONG_OBJECT, MYF(0), view->db, view->table_name, "VIEW");
error= -1;
goto err;
}
/*
read revision number
TODO: read dependence list, too, to process cascade/restrict
TODO: special cascade/restrict procedure for alter?
*/
if (parser->parse((uchar*)view, thd->mem_root,
view_parameters + revision_number_position, 1,
&file_parser_dummy_hook))
{
error= thd->net.report_error? -1 : 0;
goto err;
}
}
else
{
if (mode == VIEW_ALTER)
{
my_error(ER_NO_SUCH_TABLE, MYF(0), view->db, view->alias);
error= -1;
goto err;
}
}
}
/*
Check that table of main select do not used in subqueries.
@ -842,15 +849,23 @@ loop_out:
!view->updatable_view)
{
my_error(ER_VIEW_NONUPD_CHECK, MYF(0), view->db, view->table_name);
DBUG_RETURN(-1);
error= -1;
goto err;
}
if (sql_create_definition_file(&dir, &file, view_file_type,
(uchar*)view, view_parameters, num_view_backups))
{
DBUG_RETURN(thd->net.report_error? -1 : 1);
error= thd->net.report_error? -1 : 1;
goto err;
}
DBUG_RETURN(0);
err:
view->query.str= NULL;
view->query.length= 0;
view->md5.str= NULL;
view->md5.length= 0;
DBUG_RETURN(error);
}