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BUG#10927 mysqldump: Can't reload dump with view that consist of other view

- Create a small dummy table that will take care of the problem of creating a view dependent of another view which hasn't yet been created.
This commit is contained in:
msvensson@neptunus.(none)
2005-06-16 15:58:17 +02:00
parent 6674e1e12e
commit 16abf20043
3 changed files with 115 additions and 3 deletions

View File

@ -1212,7 +1212,54 @@ static uint get_table_structure(char *table, char *db)
if (strcmp(field->name, "View") == 0)
{
if (verbose)
fprintf(stderr, "-- It's a view, skipped\n");
fprintf(stderr, "-- It's a view, create dummy table for view\n");
mysql_free_result(tableRes);
/* Create a dummy table for the view. ie. a table which has the
same columns as the view should have. This table is dropped
just before the view is created. The table is used to handle the
case where a view references another view, which hasn't yet been
created(during the load of the dump). BUG#10927 */
/* Create temp table by selecting from the view */
my_snprintf(query_buff, sizeof(query_buff),
"create temporary table %s select * from %s where 1=0",
result_table, result_table);
if (mysql_query_with_error_report(sock, 0, query_buff))
{
safe_exit(EX_MYSQLERR);
DBUG_RETURN(0);
}
/* Get CREATE statement for the temp table */
my_snprintf(query_buff, sizeof(query_buff), "show create table %s",
result_table);
if (mysql_query_with_error_report(sock, 0, query_buff))
{
safe_exit(EX_MYSQLERR);
DBUG_RETURN(0);
}
tableRes= mysql_store_result(sock);
row= mysql_fetch_row(tableRes);
if (opt_drop)
fprintf(sql_file, "DROP VIEW IF EXISTS %s;\n",opt_quoted_table);
/* Print CREATE statement but remove TEMPORARY */
fprintf(sql_file, "CREATE %s;\n", row[1]+17);
check_io(sql_file);
mysql_free_result(tableRes);
/* Drop the temp table */
my_snprintf(buff, sizeof(buff),
"DROP TEMPORARY TABLE %s", result_table);
if (mysql_query_with_error_report(sock, 0, buff))
{
safe_exit(EX_MYSQLERR);
DBUG_RETURN(0);
}
was_views= 1;
DBUG_RETURN(0);
}
@ -2752,6 +2799,7 @@ static my_bool get_view_structure(char *table, char* db)
}
if (opt_drop)
{
fprintf(sql_file, "DROP TABLE IF EXISTS %s;\n", opt_quoted_table);
fprintf(sql_file, "DROP VIEW IF EXISTS %s;\n", opt_quoted_table);
check_io(sql_file);
}