diff options
author | unknown <bell@sanja.is.com.ua> | 2004-04-06 00:10:43 +0300 |
---|---|---|
committer | unknown <bell@sanja.is.com.ua> | 2004-04-06 00:10:43 +0300 |
commit | ffb47ca01e00cffd3546ed055f3220166d618a21 (patch) | |
tree | b51ab1109db18dafb90a051c6f065a77f542adab /sql/sql_rename.cc | |
parent | 036656e74befc0ccf07b644d59857b97808bddd9 (diff) | |
download | mariadb-git-ffb47ca01e00cffd3546ed055f3220166d618a21.tar.gz |
reverting table list to be able to use it in next PS call (BUG#2811)
sql/sql_parse.cc:
reverting table list to be able to use it in next PS call
sql/sql_rename.cc:
reverting table list to be able to use it in next PS call
tests/client_test.c:
typo fixed
test of crete/drop/rename commands
Diffstat (limited to 'sql/sql_rename.cc')
-rw-r--r-- | sql/sql_rename.cc | 44 |
1 files changed, 34 insertions, 10 deletions
diff --git a/sql/sql_rename.cc b/sql/sql_rename.cc index 7793e7236c0..d2b575c0838 100644 --- a/sql/sql_rename.cc +++ b/sql/sql_rename.cc @@ -24,6 +24,8 @@ static TABLE_LIST *rename_tables(THD *thd, TABLE_LIST *table_list, bool skip_error); +static TABLE_LIST *reverse_table_list(TABLE_LIST *table_list); + /* Every second entry in the table_list is the original name and every second entry is the new name. @@ -56,17 +58,10 @@ bool mysql_rename_tables(THD *thd, TABLE_LIST *table_list) if ((ren_table=rename_tables(thd,table_list,0))) { /* Rename didn't succeed; rename back the tables in reverse order */ - TABLE_LIST *prev=0,*table; - /* Reverse the table list */ + TABLE_LIST *table; - while (table_list) - { - TABLE_LIST *next=table_list->next; - table_list->next=prev; - prev=table_list; - table_list=next; - } - table_list=prev; + /* Reverse the table list */ + table_list= reverse_table_list(table_list); /* Find the last renamed table */ for (table=table_list ; @@ -75,6 +70,10 @@ bool mysql_rename_tables(THD *thd, TABLE_LIST *table_list) table=table->next->next; // Skip error table /* Revert to old names */ rename_tables(thd, table, 1); + + /* Revert the table list (for prepared statements) */ + table_list= reverse_table_list(table_list); + error= 1; } @@ -101,6 +100,31 @@ err: /* + reverse table list + + SYNOPSIS + reverse_table_list() + table_list pointer to table _list + + RETURN + pointer to new (reversed) list +*/ +static TABLE_LIST *reverse_table_list(TABLE_LIST *table_list) +{ + TABLE_LIST *prev= 0; + + while (table_list) + { + TABLE_LIST *next= table_list->next; + table_list->next= prev; + prev= table_list; + table_list= next; + } + return (prev); +} + + +/* Rename all tables in list; Return pointer to wrong entry if something goes wrong. Note that the table_list may be empty! */ |