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mirror of https://github.com/MariaDB/server.git synced 2025-08-01 03:47:19 +03:00

Fixed for bugs that was found when getting full code coverage of BDB

Fixed bug with HEAP tables on windows
Fixed bug with HAVING on empty tables


Docs/manual.texi:
  Update of UDF functions
mysql-test/mysql-test-run.sh:
  Added option --user
mysql-test/r/bdb.result:
  Added more test to get better coverage
mysql-test/t/bdb.test:
  Added more test to get better coverage
sql/field.cc:
  Fixes for key packing in BDB
sql/field.h:
  Fixes for key packing in BDB
sql/ha_berkeley.cc:
  Fixed for bugs that was found when getting full code coverage
sql/ha_heap.cc:
  Fixed problem with HEAP tables on windows
sql/log.cc:
  Safety fix
sql/sql_select.cc:
  Fixed bug with HAVING on empty tables
sql/table.cc:
  Fixed problem with HEAP tables on windows
This commit is contained in:
unknown
2001-01-17 03:15:20 +02:00
parent f0a33e62a1
commit 5372aa60ce
13 changed files with 193 additions and 97 deletions

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@ -31588,17 +31588,22 @@ message to less than 80 characters so that it fits the width of a standard
terminal screen. terminal screen.
The return value of the main function @code{xxx()} is the function value, for The return value of the main function @code{xxx()} is the function value, for
@code{long long} and @code{double} functions. For string functions, the @code{long long} and @code{double} functions. A string functions should
string is returned in the @code{result} and @code{length} arguments. return a pointer to the result and store the length of the string in the
@code{result} is a buffer at least 255 bytes long. Set these to the contents @code{length} arguments. @code{result} is a buffer at least 255 bytes long.
and length of the return value. For example: Set these to the contents and length of the return value. For example:
@example @example
memcpy(result, "result string", 13); memcpy(result, "result string", 13);
*length = 13; *length = 13;
@end example @end example
The string function return value normally also points to the result. If your string functions that needs to return a string longer than 255
bytes, you must allocate the space for it with @code{malloc()} in your
@code{xxx_init()} function or your @code{xxx()} function and free it in
your @code{xxx_deinit()} function. You can store the allocated memory
in the @code{ptr} slot in the @code{UDF_INIT} structure for reuse by
future @code{xxx()} calls. @xref{UDF calling sequences}.
To indicate a return value of @code{NULL} in the main function, set To indicate a return value of @code{NULL} in the main function, set
@code{is_null} to @code{1}: @code{is_null} to @code{1}:
@ -40403,6 +40408,12 @@ though, so Version 3.23 is not released as a stable version yet.
@appendixsubsec Changes in release 3.23.31 @appendixsubsec Changes in release 3.23.31
@itemize @bullet @itemize @bullet
@item @item
Using @code{HAVING} on an empty table could produce one result row.
@item
Fixed that the @strong{MySQL} RPM is not depending on perl5 anymore.
@item
Fixed some problems with @code{HEAP} tables on windows.
@item
@code{SHOW TABLE STATUS} didn't show correct average row length for tables @code{SHOW TABLE STATUS} didn't show correct average row length for tables
bigger than 4G. bigger than 4G.
@item @item
@ -40412,15 +40423,16 @@ Added option @code{MEDIUM} to @code{CHECK TABLE}.
@item @item
Fixed problem when using @code{DECIMAL()} keys on negative numbers. Fixed problem when using @code{DECIMAL()} keys on negative numbers.
@item @item
@code{HOUR()} on a @code{CHAR} column always returned @code{NULL}. @code{HOUR()} (and some other @code{TIME} functions) on a @code{CHAR} column
always returned @code{NULL}.
@item @item
Fixed security bug in something (please upgrade if you are using a earlier Fixed security bug in something (please upgrade if you are using a earlier
MySQL 3.23 version). MySQL 3.23 version).
@item @item
Fixed buffer overflow bug when writing a certain error message. Fixed buffer overflow bug when writing a certain error message.
@item @item
Added usage of @code{getrlimit()} on Linux to get @code{-O --open-files-limit=#} Added usage of @code{getrlimit()} on Linux to get @code{-O
to work on Linux. --open-files-limit=#} to work on Linux.
@item @item
Added new mysqld variable: bdb_version. Added new mysqld variable: bdb_version.
@item @item

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@ -100,10 +100,12 @@ DO_GCOV=""
DO_GDB="" DO_GDB=""
DO_DDD="" DO_DDD=""
SLEEP_TIME=2 SLEEP_TIME=2
DBUSER=""
while test $# -gt 0; do while test $# -gt 0; do
case "$1" in case "$1" in
--force ) FORCE=1 ;; --user=*) DBUSER=`$ECHO "$1" | $SED -e "s;--user=;;"` ;;
--force) FORCE=1 ;;
--local) USE_RUNNING_SERVER="" ;; --local) USE_RUNNING_SERVER="" ;;
--tmpdir=*) MYSQL_TMP_DIR=`$ECHO "$1" | $SED -e "s;--tmpdir=;;"` ;; --tmpdir=*) MYSQL_TMP_DIR=`$ECHO "$1" | $SED -e "s;--tmpdir=;;"` ;;
--master_port=*) MASTER_MYPORT=`$ECHO "$1" | $SED -e "s;--master_port=;;"` ;; --master_port=*) MASTER_MYPORT=`$ECHO "$1" | $SED -e "s;--master_port=;;"` ;;
@ -209,9 +211,9 @@ fi
if [ -n "$USE_RUNNING_SERVER" ] if [ -n "$USE_RUNNING_SERVER" ]
then then
MASTER_MYSOCK="/tmp/mysql.sock" MASTER_MYSOCK="/tmp/mysql.sock"
DBUSER=test DBUSER=${DBUSER:-test}
else else
DBUSER=root # We want to do FLUSH xxx commands DBUSER=${DBUSER:-root} # We want to do FLUSH xxx commands
fi fi
if [ -w / ] if [ -w / ]

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@ -147,6 +147,12 @@ Table Op Msg_type Msg_text
test.t1 check error The handler for the table doesn't support check/repair test.t1 check error The handler for the table doesn't support check/repair
a b a b
2 testing 2 testing
Table Op Msg_type Msg_text
test.t1 analyze status OK
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Comment
t1 1 skr 1 a A 3 NULL NULL
a b
1
a b a b
a 1 a 1
a 2 a 2
@ -429,6 +435,8 @@ count(*)
count(*) count(*)
1 1
count(*) count(*)
0
count(*)
1 1
count(*) count(*)
1 1
@ -468,4 +476,4 @@ hello 1
Table Op Msg_type Msg_text Table Op Msg_type Msg_text
test.t1 optimize status OK test.t1 optimize status OK
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Comment Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Comment
t1 0 PRIMARY 1 a A 1 NULL NULL t1 0 PRIMARY 1 a A 2 NULL NULL

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@ -0,0 +1,4 @@
b
b
b
0

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@ -4,7 +4,7 @@
# Small basic test with ignore # Small basic test with ignore
# #
drop table if exists t1; drop table if exists t1,t2;
create table t1 (id int unsigned not null auto_increment, code tinyint unsigned not null, name char(20) not null, primary key (id), key (code), unique (name)) type=bdb; create table t1 (id int unsigned not null auto_increment, code tinyint unsigned not null, name char(20) not null, primary key (id), key (code), unique (name)) type=bdb;
insert into t1 (code, name) values (1, 'Tim'), (1, 'Monty'), (2, 'David'), (2, 'Erik'), (3, 'Sasha'), (3, 'Jeremy'), (4, 'Matt'); insert into t1 (code, name) values (1, 'Tim'), (1, 'Monty'), (2, 'David'), (2, 'Erik'), (3, 'Sasha'), (3, 'Jeremy'), (4, 'Matt');
@ -81,6 +81,17 @@ create table t1 (a int,b varchar(20)) type=bdb;
insert into t1 values (1,""), (2,"testing"); insert into t1 values (1,""), (2,"testing");
delete from t1 where a = 1; delete from t1 where a = 1;
select * from t1; select * from t1;
create index skr on t1 (a);
insert into t1 values (3,""), (4,"testing");
analyze table t1;
show keys from t1;
drop table t1;
# Test of reading on secondary key with may be null
create table t1 (a int,b varchar(20),key(a)) type=bdb;
insert into t1 values (1,""), (2,"testing");
select * from t1 where a = 1;
drop table t1; drop table t1;
# #
@ -352,12 +363,15 @@ CREATE TABLE t1 (
INDEX sca_pic (sca_pic) INDEX sca_pic (sca_pic)
) type = bdb ; ) type = bdb ;
INSERT INTO t1 ( sca_code, cat_code, sca_desc, lan_code, sca_pic, sca_sdesc, sca_sch_desc) VALUES ( 'PD', 'J', 'PENDANT', 'EN', NULL, NULL, 'PENDANT'),( 'RI', 'J', 'RING', 'EN', NULL, NULL, 'RING'),( 'QQ', 'J', 'RING', 'EN', 'not null', NULL, 'RING'); INSERT INTO t1 ( sca_code, cat_code, sca_desc, lan_code, sca_pic, sca_sdesc, sca_sch_desc) VALUES ( 'PD', 'J', 'PENDANT', 'EN', NULL, NULL, 'PENDANT'),( 'RI', 'J', 'RING', 'EN', NULL, NULL, 'RING'),( 'QQ', 'N', 'RING', 'EN', 'not null', NULL, 'RING');
select count(*) from t1 where sca_code = 'PD'; select count(*) from t1 where sca_code = 'PD';
select count(*) from t1 where sca_code <= 'PD'; select count(*) from t1 where sca_code <= 'PD';
select count(*) from t1 where sca_pic is null; select count(*) from t1 where sca_pic is null;
alter table t1 drop index sca_pic, add index sca_pic (cat_code, sca_pic); alter table t1 drop index sca_pic, add index sca_pic (cat_code, sca_pic);
select count(*) from t1 where sca_code='PD' and sca_pic is null; select count(*) from t1 where sca_code='PD' and sca_pic is null;
select count(*) from t1 where cat_code='E';
alter table t1 drop index sca_pic, add index (sca_pic, cat_code); alter table t1 drop index sca_pic, add index (sca_pic, cat_code);
select count(*) from t1 where sca_code='PD' and sca_pic is null; select count(*) from t1 where sca_code='PD' and sca_pic is null;
select count(*) from t1 where sca_pic >= 'n'; select count(*) from t1 where sca_pic >= 'n';
@ -385,7 +399,7 @@ flush logs;
# #
# Test key on blob with null values # Test key on blob with null values
# #
create table t1 (b blob, i int, key (b(100)), key (i), key (i, b(20))); create table t1 (b blob, i int, key (b(100)), key (i), key (i, b(20))) type=bdb;
insert into t1 values ('this is a blob', 1), (null, -1), (null, null),("",1),("",2),("",3); insert into t1 values ('this is a blob', 1), (null, -1), (null, null),("",1),("",2),("",3);
select b from t1 where b = 'this is a blob'; select b from t1 where b = 'this is a blob';
select * from t1 where b like 't%'; select * from t1 where b like 't%';
@ -399,7 +413,7 @@ drop table t1;
# #
# Test with variable length primary key # Test with variable length primary key
# #
create table t1 (a varchar(100) not null, primary key(a), b int not null); create table t1 (a varchar(100) not null, primary key(a), b int not null) type=bdb;
insert into t1 values("hello",1),("world",2); insert into t1 values("hello",1),("world",2);
select * from t1 order by b desc; select * from t1 order by b desc;
optimize table t1; optimize table t1;

10
mysql-test/t/having.test Normal file
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@ -0,0 +1,10 @@
# test of problems with having (Reported by Mark Rogers)
#
drop table if exists t1;
create table t1 (a int);
select count(a) as b from t1 where a=0 having b > 0;
insert into t1 values (null);
select count(a) as b from t1 where a=0 having b > 0;
select count(a) as b from t1 where a=0 having b >=0;
drop table t1;

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@ -3599,7 +3599,7 @@ void Field_varstring::sql_type(String &res) const
char *Field_varstring::pack(char *to, const char *from, uint max_length) char *Field_varstring::pack(char *to, const char *from, uint max_length)
{ {
uint length=uint2korr(to); uint length=uint2korr(from);
if (length > max_length) if (length > max_length)
length=max_length; length=max_length;
*to++= (length & 255); *to++= (length & 255);
@ -4037,6 +4037,43 @@ void Field_blob::sql_type(String &res) const
} }
char *Field_blob::pack(char *to, const char *from, uint max_length)
{
char *save=ptr;
ptr=(char*) from;
ulong length=get_length(); // Length of from string
if (length > max_length)
{
ptr=to;
length=max_length;
store_length(length); // Store max length
ptr=(char*) from;
}
else
memcpy(to,from,packlength); // Copy length
if (length)
{
get_ptr((char**) &from);
memcpy(to+packlength, from,length);
}
ptr=save; // Restore org row pointer
return to+packlength+length;
}
const char *Field_blob::unpack(char *to, const char *from)
{
memcpy(to,from,packlength);
from+=packlength;
ulong length=get_length();
if (length)
memcpy_fixed(to+packlength, &from, sizeof(from));
else
bzero(to+packlength,sizeof(from));
return from+length;
}
/* Keys for blobs are like keys on varchars */ /* Keys for blobs are like keys on varchars */
int Field_blob::pack_cmp(const char *a, const char *b, uint key_length) int Field_blob::pack_cmp(const char *a, const char *b, uint key_length)
@ -4087,10 +4124,33 @@ int Field_blob::pack_cmp(const char *b, uint key_length)
return my_sortncmp(a,a_length, b,b_length); return my_sortncmp(a,a_length, b,b_length);
} }
/* Create a packed key that will be used for storage from a MySQL row */
char *Field_blob::pack_key(char *to, const char *from, uint max_length) char *Field_blob::pack_key(char *to, const char *from, uint max_length)
{ {
uint length=uint2korr(to); char *save=ptr;
ptr=(char*) from;
ulong length=get_length(); // Length of from string
if (length > max_length)
length=max_length;
*to++= (uchar) length;
if (max_length > 255) // 2 byte length
*to++= (uchar) (length >> 8);
if (length)
{
get_ptr((char**) &from);
memcpy(to, from, length);
}
ptr=save; // Restore org row pointer
return to+length;
}
/* Create a packed key that will be used for storage from a MySQL key */
char *Field_blob::pack_key_from_key_image(char *to, const char *from,
uint max_length)
{
uint length=uint2korr(from);
if (length > max_length) if (length > max_length)
length=max_length; length=max_length;
*to++= (length & 255); *to++= (length & 255);
@ -4101,6 +4161,7 @@ char *Field_blob::pack_key(char *to, const char *from, uint max_length)
return to+length; return to+length;
} }
/**************************************************************************** /****************************************************************************
** enum type. ** enum type.
** This is a string which only can have a selection of different values. ** This is a string which only can have a selection of different values.

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@ -166,7 +166,12 @@ public:
memcpy(to,from,length); memcpy(to,from,length);
return from+length; return from+length;
} }
virtual char *keypack(char* to, const char *from, uint max_length=~(uint) 0) virtual char *pack_key(char* to, const char *from, uint max_length)
{
return pack(to,from,max_length);
}
virtual char *pack_key_from_key_image(char* to, const char *from,
uint max_length)
{ {
return pack(to,from,max_length); return pack(to,from,max_length);
} }
@ -861,39 +866,10 @@ public:
tmp=(char*) value.ptr(); memcpy_fixed(ptr+packlength,&tmp,sizeof(char*)); tmp=(char*) value.ptr(); memcpy_fixed(ptr+packlength,&tmp,sizeof(char*));
return 0; return 0;
} }
char *pack(char *to, const char *from, uint max_length= ~(uint) 0) char *pack(char *to, const char *from, uint max_length= ~(uint) 0);
{ const char *unpack(char *to, const char *from);
ulong length=get_length(); char *pack_key(char *to, const char *from, uint max_length);
if (length > max_length) char *pack_key_from_key_image(char* to, const char *from, uint max_length);
{
length=max_length;
char *save=ptr;
ptr=to;
store_length(length);
ptr=save;
}
else
memcpy(to,from,packlength);
if (length)
{
get_ptr((char**) &from);
memcpy(to+packlength, from,length);
return to+packlength+length;
}
return to+packlength;
}
const char *unpack(char *to, const char *from)
{
memcpy(to,from,packlength);
from+=packlength;
ulong length=get_length();
if (length)
memcpy_fixed(to+packlength, &from, sizeof(from));
else
bzero(to+packlength,sizeof(from));
return from+length;
}
char *pack_key(char *to, const char *from, uint max_length=~(uint) 0);
int pack_cmp(const char *a, const char *b, uint key_length); int pack_cmp(const char *a, const char *b, uint key_length);
int pack_cmp(const char *b, uint key_length); int pack_cmp(const char *b, uint key_length);
uint packed_col_length(const char *col_ptr) uint packed_col_length(const char *col_ptr)

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@ -42,7 +42,6 @@
Testing of: Testing of:
- LOCK TABLES - LOCK TABLES
- BLOBS
- Mark tables that participate in a transaction so that they are not - Mark tables that participate in a transaction so that they are not
closed during the transaction. We need to test what happens if closed during the transaction. We need to test what happens if
MySQL closes a table that is updated by a not commit transaction. MySQL closes a table that is updated by a not commit transaction.
@ -290,7 +289,7 @@ static void berkeley_noticecall(DB_ENV *db_env, db_notices notice)
{ {
switch (notice) switch (notice)
{ {
case DB_NOTICE_LOGFILE_CHANGED: case DB_NOTICE_LOGFILE_CHANGED: /* purecov: tested */
pthread_mutex_lock(&LOCK_manager); pthread_mutex_lock(&LOCK_manager);
manager_status |= MANAGER_BERKELEY_LOG_CLEANUP; manager_status |= MANAGER_BERKELEY_LOG_CLEANUP;
pthread_mutex_unlock(&LOCK_manager); pthread_mutex_unlock(&LOCK_manager);
@ -418,6 +417,10 @@ berkeley_key_cmp(TABLE *table, KEY *key_info, const char *key, uint key_length)
if (key_part->null_bit) if (key_part->null_bit)
{ {
key_length--; key_length--;
/*
With the current usage, the following case will always be FALSE,
because NULL keys are sorted before any other key
*/
if (*key != (table->record[0][key_part->null_offset] & if (*key != (table->record[0][key_part->null_offset] &
key_part->null_bit) ? 0 : 1) key_part->null_bit) ? 0 : 1)
return 1; return 1;
@ -731,7 +734,6 @@ DBT *ha_berkeley::create_key(DBT *key, uint keynr, char *buff,
DBUG_ENTER("create_key"); DBUG_ENTER("create_key");
key->data=buff; key->data=buff;
for ( ; key_part != end && key_length > 0; key_part++) for ( ; key_part != end && key_length > 0; key_part++)
{ {
if (key_part->null_bit) if (key_part->null_bit)
@ -745,8 +747,8 @@ DBT *ha_berkeley::create_key(DBT *key, uint keynr, char *buff,
} }
*buff++ = 1; // Store NOT NULL marker *buff++ = 1; // Store NOT NULL marker
} }
buff=key_part->field->pack(buff,record + key_part->offset, buff=key_part->field->pack_key(buff,record + key_part->offset,
key_part->length); key_part->length);
key_length-=key_part->length; key_length-=key_part->length;
} }
key->size= (buff - (char*) key->data); key->size= (buff - (char*) key->data);
@ -783,7 +785,8 @@ DBT *ha_berkeley::pack_key(DBT *key, uint keynr, char *buff,
} }
key_ptr++; key_ptr++;
} }
buff=key_part->field->keypack(buff,key_ptr,key_part->length); buff=key_part->field->pack_key_from_key_image(buff,key_ptr,
key_part->length);
key_ptr+=key_part->store_length; key_ptr+=key_part->store_length;
key_length-=key_part->store_length; key_length-=key_part->store_length;
} }
@ -807,7 +810,7 @@ int ha_berkeley::write_row(byte * record)
if ((error=pack_row(&row, record,1))) if ((error=pack_row(&row, record,1)))
DBUG_RETURN(error); /* purecov: inspected */ DBUG_RETURN(error); /* purecov: inspected */
if (table->keys == 1) if (table->keys + test(hidden_primary_key) == 1)
{ {
error=file->put(file, transaction, create_key(&prim_key, primary_key, error=file->put(file, transaction, create_key(&prim_key, primary_key,
key_buff, record), key_buff, record),
@ -859,8 +862,8 @@ int ha_berkeley::write_row(byte * record)
int new_error = 0; int new_error = 0;
if (thd_options & OPTION_INTERNAL_SUBTRANSACTIONS) if (thd_options & OPTION_INTERNAL_SUBTRANSACTIONS)
{ {
DBUG_PRINT("trans",("aborting subtransaction")); DBUG_PRINT("trans",("aborting subtransaction")); /* purecov: deadcode */
new_error=txn_abort(sub_trans); new_error=txn_abort(sub_trans); /* purecov: deadcode */
} }
else if (changed_keys) else if (changed_keys)
{ {
@ -871,14 +874,14 @@ int ha_berkeley::write_row(byte * record)
{ {
if ((new_error = remove_key(sub_trans, keynr, record, if ((new_error = remove_key(sub_trans, keynr, record,
(DBT*) 0, &prim_key))) (DBT*) 0, &prim_key)))
break; break; /* purecov: inspected */
} }
} }
} }
if (new_error) if (new_error)
{ {
error=new_error; // This shouldn't happen error=new_error; // This shouldn't happen /* purecov: inspected */
break; break; /* purecov: inspected */
} }
} }
} }
@ -1185,7 +1188,8 @@ int ha_berkeley::remove_key(DB_TXN *trans, uint keynr, const byte *record,
*/ */
dbug_assert(keynr != primary_key && prim_key->data != key_buff2); dbug_assert(keynr != primary_key && prim_key->data != key_buff2);
DBC *tmp_cursor; DBC *tmp_cursor;
if (!(error=file->cursor(key_file[keynr], trans, &tmp_cursor, 0))) if (!(error=key_file[keynr]->cursor(key_file[keynr], trans,
&tmp_cursor, 0)))
{ {
if (!(error=cursor->c_get(tmp_cursor, if (!(error=cursor->c_get(tmp_cursor,
(keynr == primary_key ? (keynr == primary_key ?
@ -1294,9 +1298,10 @@ int ha_berkeley::index_init(uint keynr)
DBUG_ENTER("index_init"); DBUG_ENTER("index_init");
active_index=keynr; active_index=keynr;
dbug_assert(cursor == 0); dbug_assert(cursor == 0);
if ((error=file->cursor(key_file[keynr], transaction, &cursor, if ((error=key_file[keynr]->cursor(key_file[keynr], transaction, &cursor,
table->reginfo.lock_type > TL_WRITE_ALLOW_READ ? table->reginfo.lock_type >
0 : 0))) TL_WRITE_ALLOW_READ ?
0 : 0)))
cursor=0; // Safety /* purecov: inspected */ cursor=0; // Safety /* purecov: inspected */
bzero((char*) &last_key,sizeof(last_key)); bzero((char*) &last_key,sizeof(last_key));
DBUG_RETURN(error); DBUG_RETURN(error);
@ -1353,8 +1358,8 @@ int ha_berkeley::read_row(int error, char *buf, uint keynr, DBT *row,
current_row.flags=DB_DBT_REALLOC; current_row.flags=DB_DBT_REALLOC;
if ((error=file->get(file, transaction, &key, &current_row, 0))) if ((error=file->get(file, transaction, &key, &current_row, 0)))
{ {
table->status=STATUS_NOT_FOUND; table->status=STATUS_NOT_FOUND; /* purecov: inspected */
DBUG_RETURN(error == DB_NOTFOUND ? HA_ERR_CRASHED : error); DBUG_RETURN(error == DB_NOTFOUND ? HA_ERR_CRASHED : error); /* purecov: inspected */
} }
row= &current_row; row= &current_row;
} }
@ -1371,7 +1376,7 @@ int ha_berkeley::index_read_idx(byte * buf, uint keynr, const byte * key,
statistic_increment(ha_read_key_count,&LOCK_status); statistic_increment(ha_read_key_count,&LOCK_status);
DBUG_ENTER("index_read_idx"); DBUG_ENTER("index_read_idx");
current_row.flags=DB_DBT_REALLOC; current_row.flags=DB_DBT_REALLOC;
DBUG_RETURN(read_row(file->get(key_file[keynr], transaction, DBUG_RETURN(read_row(key_file[keynr]->get(key_file[keynr], transaction,
pack_key(&last_key, keynr, key_buff, key, pack_key(&last_key, keynr, key_buff, key,
key_len), key_len),
&current_row,0), &current_row,0),
@ -1389,13 +1394,15 @@ int ha_berkeley::index_read(byte * buf, const byte * key,
statistic_increment(ha_read_key_count,&LOCK_status); statistic_increment(ha_read_key_count,&LOCK_status);
bzero((char*) &row,sizeof(row)); bzero((char*) &row,sizeof(row));
if (key_len == key_info->key_length) if (key_len == key_info->key_length + key_info->extra_length)
{ {
error=read_row(cursor->c_get(cursor, pack_key(&last_key, error=read_row(cursor->c_get(cursor, pack_key(&last_key,
active_index, active_index,
key_buff, key_buff,
key, key_len), key, key_len),
&row, DB_SET), &row,
(find_flag == HA_READ_KEY_EXACT ?
DB_SET : DB_SET_RANGE)),
buf, active_index, &row, (DBT*) 0, 0); buf, active_index, &row, (DBT*) 0, 0);
} }
else else
@ -1840,16 +1847,18 @@ ha_rows ha_berkeley::records_in_range(int keynr,
{ {
DBT key; DBT key;
DB_KEY_RANGE start_range, end_range; DB_KEY_RANGE start_range, end_range;
DB *kfile=key_file[keynr];
double start_pos,end_pos,rows; double start_pos,end_pos,rows;
DBUG_ENTER("records_in_range"); DBUG_ENTER("records_in_range");
if ((start_key && file->key_range(key_file[keynr],transaction,
pack_key(&key, keynr, key_buff, start_key, if ((start_key && kfile->key_range(kfile,transaction,
start_key_len), pack_key(&key, keynr, key_buff, start_key,
&start_range,0)) || start_key_len),
(end_key && file->key_range(key_file[keynr],transaction, &start_range,0)) ||
pack_key(&key, keynr, key_buff, end_key, (end_key && kfile->key_range(kfile,transaction,
end_key_len), pack_key(&key, keynr, key_buff, end_key,
&end_range,0))) end_key_len),
&end_range,0)))
DBUG_RETURN(HA_BERKELEY_RANGE_COUNT); // Better than returning an error /* purecov: inspected */ DBUG_RETURN(HA_BERKELEY_RANGE_COUNT); // Better than returning an error /* purecov: inspected */
if (!start_key) if (!start_key)
@ -1969,8 +1978,8 @@ int ha_berkeley::analyze(THD* thd, HA_CHECK_OPT* check_opt)
free(stat); free(stat);
stat=0; stat=0;
} }
if (file->stat(key_file[i], (void*) &stat, 0, 0)) if (key_file[i]->stat(key_file[i], (void*) &stat, 0, 0))
goto err; goto err; /* purecov: inspected */
share->rec_per_key[i]= (stat->bt_ndata / share->rec_per_key[i]= (stat->bt_ndata /
(stat->bt_nkeys ? stat->bt_nkeys : 1)); (stat->bt_nkeys ? stat->bt_nkeys : 1));
} }
@ -1983,7 +1992,7 @@ int ha_berkeley::analyze(THD* thd, HA_CHECK_OPT* check_opt)
stat=0; stat=0;
} }
if (file->stat(file, (void*) &stat, 0, 0)) if (file->stat(file, (void*) &stat, 0, 0))
goto err; goto err; /* purecov: inspected */
} }
pthread_mutex_lock(&share->mutex); pthread_mutex_lock(&share->mutex);
share->rows=stat->bt_ndata; share->rows=stat->bt_ndata;
@ -1997,9 +2006,9 @@ int ha_berkeley::analyze(THD* thd, HA_CHECK_OPT* check_opt)
HA_ADMIN_OK); HA_ADMIN_OK);
err: err:
if (stat) if (stat) /* purecov: inspected */
free(stat); free(stat); /* purecov: inspected */
return HA_ADMIN_FAILED; return HA_ADMIN_FAILED; /* purecov: inspected */
} }
int ha_berkeley::optimize(THD* thd, HA_CHECK_OPT* check_opt) int ha_berkeley::optimize(THD* thd, HA_CHECK_OPT* check_opt)
@ -2036,7 +2045,7 @@ int ha_berkeley::check(THD* thd, HA_CHECK_OPT* check_opt)
tmp_file->set_bt_compare(tmp_file, tmp_file->set_bt_compare(tmp_file,
(hidden_primary_key ? berkeley_cmp_hidden_key : (hidden_primary_key ? berkeley_cmp_hidden_key :
berkeley_cmp_packed_key)); berkeley_cmp_packed_key));
file->app_private= (void*) (table->key_info+table->primary_key); tmp_file->app_private= (void*) (table->key_info+table->primary_key);
fn_format(name_buff,share->table_name,"", ha_berkeley_ext, 2 | 4); fn_format(name_buff,share->table_name,"", ha_berkeley_ext, 2 | 4);
if ((error=tmp_file->verify(tmp_file, name_buff, NullS, (FILE*) 0, if ((error=tmp_file->verify(tmp_file, name_buff, NullS, (FILE*) 0,
hidden_primary_key ? 0 : DB_NOORDERCHK))) hidden_primary_key ? 0 : DB_NOORDERCHK)))
@ -2196,7 +2205,7 @@ void ha_berkeley::get_status()
{ {
share->org_rows=share->rows= share->org_rows=share->rows=
table->max_rows ? table->max_rows : HA_BERKELEY_MAX_ROWS; table->max_rows ? table->max_rows : HA_BERKELEY_MAX_ROWS;
if (!file->cursor(share->status_block, 0, &cursor, 0)) if (!share->status_block->cursor(share->status_block, 0, &cursor, 0))
{ {
DBT row; DBT row;
char rec_buff[64]; char rec_buff[64];

View File

@ -70,7 +70,7 @@ int ha_heap::open(const char *name, int mode, uint test_if_locked)
} }
mem_per_row += MY_ALIGN(table->reclength+1, sizeof(char*)); mem_per_row += MY_ALIGN(table->reclength+1, sizeof(char*));
max_rows = (ulong) (max_heap_table_size / mem_per_row); max_rows = (ulong) (max_heap_table_size / mem_per_row);
file=heap_open(table->path,mode, file=heap_open(name,mode,
table->keys,keydef, table->keys,keydef,
table->reclength, table->reclength,
((table->max_rows < max_rows && table->max_rows) ? ((table->max_rows < max_rows && table->max_rows) ?
@ -278,5 +278,5 @@ int ha_heap::create(const char *name, TABLE *form, HA_CREATE_INFO *create_info)
{ {
char buff[FN_REFLEN]; char buff[FN_REFLEN];
return heap_create(fn_format(buff,name,"","",2)); return heap_create(fn_format(buff,name,"","",4+2));
} }

View File

@ -952,7 +952,7 @@ void sql_print_error(const char *format,...)
#ifndef DBUG_OFF #ifndef DBUG_OFF
{ {
char buff[1024]; char buff[1024];
vsnprintf(buff,sizeof(buff)-1,format,args); my_vsnprintf(buff,sizeof(buff)-1,format,args);
DBUG_PRINT("error",("%s",buff)); DBUG_PRINT("error",("%s",buff));
} }
#endif #endif

View File

@ -314,7 +314,7 @@ mysql_select(THD *thd,TABLE_LIST *tables,List<Item> &fields,COND *conds,
{ /* Impossible cond */ { /* Impossible cond */
error=return_zero_rows(result, tables, fields, error=return_zero_rows(result, tables, fields,
join.tmp_table_param.sum_func_count != 0 && !group, join.tmp_table_param.sum_func_count != 0 && !group,
select_options,"Impossible WHERE",join.having, select_options,"Impossible WHERE",having,
procedure); procedure);
delete procedure; delete procedure;
DBUG_RETURN(error); DBUG_RETURN(error);
@ -330,7 +330,7 @@ mysql_select(THD *thd,TABLE_LIST *tables,List<Item> &fields,COND *conds,
{ {
error=return_zero_rows(result, tables, fields, !group, error=return_zero_rows(result, tables, fields, !group,
select_options,"No matching min/max row", select_options,"No matching min/max row",
join.having,procedure); having,procedure);
delete procedure; delete procedure;
DBUG_RETURN(error); DBUG_RETURN(error);
} }
@ -383,7 +383,7 @@ mysql_select(THD *thd,TABLE_LIST *tables,List<Item> &fields,COND *conds,
{ {
error=return_zero_rows(result,tables,fields, error=return_zero_rows(result,tables,fields,
join.tmp_table_param.sum_func_count != 0 && join.tmp_table_param.sum_func_count != 0 &&
!group,0,"",join.having,procedure); !group,0,"",having,procedure);
goto err; goto err;
} }
if (!(thd->options & OPTION_BIG_SELECTS) && if (!(thd->options & OPTION_BIG_SELECTS) &&
@ -414,7 +414,7 @@ mysql_select(THD *thd,TABLE_LIST *tables,List<Item> &fields,COND *conds,
join.tmp_table_param.sum_func_count != 0 && !group, join.tmp_table_param.sum_func_count != 0 && !group,
select_options, select_options,
"Impossible WHERE noticed after reading const tables", "Impossible WHERE noticed after reading const tables",
join.having,procedure); having,procedure);
goto err; goto err;
} }

View File

@ -531,7 +531,7 @@ int openfrm(const char *name, const char *alias, uint db_stat, uint prgflag,
{ {
int err; int err;
if ((err=(outparam->file-> if ((err=(outparam->file->
ha_open(index_file, ha_open(unpack_filename(index_file,index_file),
(db_stat & HA_READ_ONLY ? O_RDONLY : O_RDWR), (db_stat & HA_READ_ONLY ? O_RDONLY : O_RDWR),
(db_stat & HA_OPEN_TEMPORARY ? HA_OPEN_TMP_TABLE : (db_stat & HA_OPEN_TEMPORARY ? HA_OPEN_TMP_TABLE :
((db_stat & HA_WAIT_IF_LOCKED) || ((db_stat & HA_WAIT_IF_LOCKED) ||