diff options
author | unknown <jimw@mysql.com> | 2005-07-19 11:05:49 -0700 |
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committer | unknown <jimw@mysql.com> | 2005-07-19 11:05:49 -0700 |
commit | e9c64ae296457b04bd68945c5de12c369de71b8b (patch) | |
tree | 04692d95c000bd65df72b0a4c5c605b71afa5287 /sql/item_strfunc.cc | |
parent | 6ae060305541019882bcb60bf086458b010faa45 (diff) | |
parent | abcd8b032cb4afad6640d21e08763349e116da32 (diff) | |
download | mariadb-git-e9c64ae296457b04bd68945c5de12c369de71b8b.tar.gz |
Merge mysql.com:/home/jimw/my/mysql-4.1-clean
into mysql.com:/home/jimw/my/mysql-5.0-clean
extra/perror.c:
Auto merged
include/my_global.h:
Auto merged
mysql-test/r/ps_1general.result:
Auto merged
mysql-test/r/ps_2myisam.result:
Auto merged
mysql-test/r/ps_3innodb.result:
Auto merged
mysql-test/r/ps_4heap.result:
Auto merged
mysql-test/r/ps_5merge.result:
Auto merged
mysql-test/r/ps_6bdb.result:
Auto merged
mysql-test/r/ps_7ndb.result:
Auto merged
mysql-test/r/select.result:
Auto merged
ndb/src/mgmsrv/ConfigInfo.cpp:
Auto merged
ndb/src/mgmsrv/main.cpp:
Auto merged
sql/des_key_file.cc:
Auto merged
sql/field_conv.cc:
Auto merged
sql/item_func.cc:
Auto merged
sql/item_strfunc.cc:
Auto merged
sql/item_timefunc.cc:
Auto merged
sql/sql_prepare.cc:
Auto merged
sql/sql_select.cc:
Auto merged
tests/mysql_client_test.c:
Auto merged
mysql-test/t/select.test:
Resolve conflicts
scripts/mysqld_safe.sh:
Resolve conflict
sql/item.cc:
Resolve conflict, don't return FIELD_TYPE_BLOB since VARCHAR
can be longer in 5.0 than 4.1.
sql/log_event.cc:
Resolve conflict
sql/mysql_priv.h:
Resolve conflict
sql/mysqld.cc:
Remove incorrect fix (merge from 4.1)
sql/sql_show.cc:
Resolve conflict
Diffstat (limited to 'sql/item_strfunc.cc')
-rw-r--r-- | sql/item_strfunc.cc | 106 |
1 files changed, 55 insertions, 51 deletions
diff --git a/sql/item_strfunc.cc b/sql/item_strfunc.cc index 6d519c73b13..eb37609c28e 100644 --- a/sql/item_strfunc.cc +++ b/sql/item_strfunc.cc @@ -335,19 +335,20 @@ null: void Item_func_concat::fix_length_and_dec() { - max_length=0; + ulonglong max_result_length= 0; if (agg_arg_charsets(collation, args, arg_count, MY_COLL_ALLOW_CONV)) return; for (uint i=0 ; i < arg_count ; i++) - max_length+=args[i]->max_length; + max_result_length+= args[i]->max_length; - if (max_length > MAX_BLOB_WIDTH) + if (max_result_length >= MAX_BLOB_WIDTH) { - max_length=MAX_BLOB_WIDTH; - maybe_null=1; + max_result_length= MAX_BLOB_WIDTH; + maybe_null= 1; } + max_length= (ulong) max_result_length; } /* @@ -378,9 +379,6 @@ String *Item_func_des_encrypt::val_str(String *str) if (arg_count == 1) { - /* Make sure LOCK_des_key_file was initialized. */ - init_des_key_file(); - /* Protect against someone doing FLUSH DES_KEY_FILE */ VOID(pthread_mutex_lock(&LOCK_des_key_file)); keyschedule= des_keyschedule[key_number=des_default_key]; @@ -391,10 +389,6 @@ String *Item_func_des_encrypt::val_str(String *str) key_number= (uint) args[1]->val_int(); if (key_number > 9) goto error; - - /* Make sure LOCK_des_key_file was initialized. */ - init_des_key_file(); - VOID(pthread_mutex_lock(&LOCK_des_key_file)); keyschedule= des_keyschedule[key_number]; VOID(pthread_mutex_unlock(&LOCK_des_key_file)); @@ -482,9 +476,6 @@ String *Item_func_des_decrypt::val_str(String *str) if (!(current_thd->master_access & SUPER_ACL) || key_number > 9) goto error; - /* Make sure LOCK_des_key_file was initialized. */ - init_des_key_file(); - VOID(pthread_mutex_lock(&LOCK_des_key_file)); keyschedule= des_keyschedule[key_number]; VOID(pthread_mutex_unlock(&LOCK_des_key_file)); @@ -658,7 +649,7 @@ null: void Item_func_concat_ws::fix_length_and_dec() { - max_length=0; + ulonglong max_result_length; if (agg_arg_charsets(collation, args, arg_count, MY_COLL_ALLOW_CONV)) return; @@ -668,15 +659,16 @@ void Item_func_concat_ws::fix_length_and_dec() it is done on parser level in sql_yacc.yy so, (arg_count - 2) is safe here. */ - max_length= args[0]->max_length * (arg_count - 2); + max_result_length= (ulonglong) args[0]->max_length * (arg_count - 2); for (uint i=1 ; i < arg_count ; i++) - max_length+=args[i]->max_length; + max_result_length+=args[i]->max_length; - if (max_length > MAX_BLOB_WIDTH) + if (max_result_length >= MAX_BLOB_WIDTH) { - max_length=MAX_BLOB_WIDTH; - maybe_null=1; + max_result_length= MAX_BLOB_WIDTH; + maybe_null= 1; } + max_length= (ulong) max_result_length; } @@ -855,18 +847,19 @@ null: void Item_func_replace::fix_length_and_dec() { - max_length=args[0]->max_length; + ulonglong max_result_length= args[0]->max_length; int diff=(int) (args[2]->max_length - args[1]->max_length); if (diff > 0 && args[1]->max_length) { // Calculate of maxreplaces - uint max_substrs= max_length/args[1]->max_length; - max_length+= max_substrs * (uint) diff; + ulonglong max_substrs= max_result_length/args[1]->max_length; + max_result_length+= max_substrs * (uint) diff; } - if (max_length > MAX_BLOB_WIDTH) + if (max_result_length >= MAX_BLOB_WIDTH) { - max_length=MAX_BLOB_WIDTH; - maybe_null=1; + max_result_length= MAX_BLOB_WIDTH; + maybe_null= 1; } + max_length= (ulong) max_result_length; if (agg_arg_charsets(collation, args, 3, MY_COLL_CMP_CONV)) return; @@ -914,18 +907,22 @@ null: void Item_func_insert::fix_length_and_dec() { Item *cargs[2]; + ulonglong max_result_length; + cargs[0]= args[0]; cargs[1]= args[3]; if (agg_arg_charsets(collation, cargs, 2, MY_COLL_ALLOW_CONV)) return; args[0]= cargs[0]; args[3]= cargs[1]; - max_length=args[0]->max_length+args[3]->max_length; - if (max_length > MAX_BLOB_WIDTH) + max_result_length= ((ulonglong) args[0]->max_length+ + (ulonglong) args[3]->max_length); + if (max_result_length >= MAX_BLOB_WIDTH) { - max_length=MAX_BLOB_WIDTH; - maybe_null=1; + max_result_length= MAX_BLOB_WIDTH; + maybe_null= 1; } + max_length= (ulong) max_result_length; } @@ -2001,17 +1998,19 @@ void Item_func_repeat::fix_length_and_dec() collation.set(args[0]->collation); if (args[1]->const_item()) { - max_length=(long) (args[0]->max_length * args[1]->val_int()); - if (max_length >= MAX_BLOB_WIDTH) + ulonglong max_result_length= ((ulonglong) args[0]->max_length * + args[1]->val_int()); + if (max_result_length >= MAX_BLOB_WIDTH) { - max_length=MAX_BLOB_WIDTH; - maybe_null=1; + max_result_length= MAX_BLOB_WIDTH; + maybe_null= 1; } + max_length= (ulong) max_result_length; } else { - max_length=MAX_BLOB_WIDTH; - maybe_null=1; + max_length= MAX_BLOB_WIDTH; + maybe_null= 1; } } @@ -2066,6 +2065,7 @@ err: void Item_func_rpad::fix_length_and_dec() { Item *cargs[2]; + cargs[0]= args[0]; cargs[1]= args[2]; if (agg_arg_charsets(collation, cargs, 2, MY_COLL_ALLOW_CONV)) @@ -2074,18 +2074,20 @@ void Item_func_rpad::fix_length_and_dec() args[2]= cargs[1]; if (args[1]->const_item()) { - uint32 length= (uint32) args[1]->val_int() * collation.collation->mbmaxlen; - max_length=max(args[0]->max_length,length); - if (max_length >= MAX_BLOB_WIDTH) + ulonglong length= ((ulonglong) args[1]->val_int() * + collation.collation->mbmaxlen); + length= max((ulonglong) args[0]->max_length, length); + if (length >= MAX_BLOB_WIDTH) { - max_length=MAX_BLOB_WIDTH; - maybe_null=1; + length= MAX_BLOB_WIDTH; + maybe_null= 1; } + max_length= (ulong) length; } else { - max_length=MAX_BLOB_WIDTH; - maybe_null=1; + max_length= MAX_BLOB_WIDTH; + maybe_null= 1; } } @@ -2160,18 +2162,20 @@ void Item_func_lpad::fix_length_and_dec() if (args[1]->const_item()) { - uint32 length= (uint32) args[1]->val_int() * collation.collation->mbmaxlen; - max_length=max(args[0]->max_length,length); - if (max_length >= MAX_BLOB_WIDTH) + ulonglong length= ((ulonglong) args[1]->val_int() * + collation.collation->mbmaxlen); + length= max((ulonglong) args[0]->max_length, length); + if (length >= MAX_BLOB_WIDTH) { - max_length=MAX_BLOB_WIDTH; - maybe_null=1; + length= MAX_BLOB_WIDTH; + maybe_null= 1; } + max_length= (ulong) length; } else { - max_length=MAX_BLOB_WIDTH; - maybe_null=1; + max_length= MAX_BLOB_WIDTH; + maybe_null= 1; } } |