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Commit 81e8630e authored by unknown's avatar unknown
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Merge bk-internal.mysql.com:/home/bk/mysql-5.0 

into mysql.com:/home/my/mysql-5.0
parents e9972011 e036d3cf
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Showing with 346 additions and 228 deletions
.bzrignore
View file @ 81e8630e
......@@ -1109,3 +1109,4 @@ vio/viotest-ssl
VC++Files/client/mysql_amd64.dsp
client/mysqltestmanager-pwgen
client/mysqltestmanagerc
tools/mysqltestmanager
client/mysqltest.c
View file @ 81e8630e
......@@ -645,6 +645,7 @@ int dyn_string_cmp(DYNAMIC_STRING* ds, const char* fname)
{
DBUG_PRINT("info",("Size differs: result size: %u file size: %u",
ds->length, stat_info.st_size));
DBUG_PRINT("info",("result: '%s'", ds->str));
DBUG_RETURN(2);
}
if (!(tmp = (char*) my_malloc(stat_info.st_size + 1, MYF(MY_WME))))
......@@ -3623,8 +3624,8 @@ static void init_var_hash(MYSQL *mysql)
if (hash_init(&var_hash, charset_info,
1024, 0, 0, get_var_key, var_free, MYF(0)))
die("Variable hash initialization failed");
if (opt_big_test)
my_hash_insert(&var_hash, (byte*) var_init(0,"BIG_TEST", 0, "1",0));
my_hash_insert(&var_hash, (byte*) var_init(0,"BIG_TEST", 0,
(opt_big_test) ? "1" : "0", 0));
v= var_init(0,"MAX_TABLES", 0, (sizeof(ulong) == 4) ? "31" : "62",0);
my_hash_insert(&var_hash, (byte*) v);
v= var_init(0,"SERVER_VERSION", 0, mysql_get_server_info(mysql), 0);
......@@ -3793,6 +3794,12 @@ int main(int argc, char **argv)
if (q->query == q->query_buf)
q->query += q->first_word_len + 1;
display_result_vertically= (q->type==Q_QUERY_VERTICAL);
if (save_file[0])
{
strmov(q->record_file,save_file);
q->require_file=require_file;
save_file[0]=0;
}
error|= run_query(&cur_con->mysql, q, QUERY_REAP|QUERY_SEND);
display_result_vertically= old_display_result_vertically;
break;
......
mysql-test/include/big_test.inc 0 → 100644
View file @ 81e8630e
--require r/big_test.require
disable_query_log;
eval select $BIG_TEST as using_big_test;
enable_query_log;
mysql-test/mysql-test-run.sh
View file @ 81e8630e
......@@ -1179,7 +1179,7 @@ start_master()
--default-character-set=$CHARACTER_SET \
--tmpdir=$MYSQL_TMP_DIR \
--language=$LANGUAGE \
--innodb_data_file_path=ibdata1:50M \
--innodb_data_file_path=ibdata1:128M:autoextend \
--open-files-limit=1024 \
$MASTER_40_ARGS \
$SMALL_SERVER \
......@@ -1200,7 +1200,7 @@ start_master()
$USE_NDBCLUSTER \
--tmpdir=$MYSQL_TMP_DIR \
--language=$LANGUAGE \
--innodb_data_file_path=ibdata1:50M \
--innodb_data_file_path=ibdata1:128M:autoextend \
$MASTER_40_ARGS \
$SMALL_SERVER \
$EXTRA_MASTER_OPT $EXTRA_MASTER_MYSQLD_OPT \
......
mysql-test/r/heap.result
View file @ 81e8630e
......@@ -436,8 +436,8 @@ f 10
g 10
h 10
i 10
select sql_big_result v,count(t) from t1 group by v limit 10;
v count(t)
select sql_big_result trim(v),count(t) from t1 group by v limit 10;
trim(v) count(t)
a 1
a 10
b 10
......@@ -448,8 +448,8 @@ f 10
g 10
h 10
i 10
select sql_big_result v,count(c) from t1 group by v limit 10;
v count(c)
select sql_big_result trim(v),count(c) from t1 group by v limit 10;
trim(v) count(c)
a 1
a 10
b 10
......@@ -520,8 +520,8 @@ f 10
g 10
h 10
i 10
select sql_big_result t,count(t) from t1 group by t limit 10;
t count(t)
select sql_big_result trim(t),count(t) from t1 group by t limit 10;
trim(t) count(t)
a 1
a 10
b 10
......
mysql-test/r/innodb-big.result 0 → 100644
View file @ 81e8630e
DROP TABLE IF EXISTS t1, t2, t3, t4;
CREATE TABLE t1 (id INTEGER) ENGINE=MYISAM;
CREATE TABLE t2 (id INTEGER primary key) ENGINE=INNODB;
CREATE TABLE t3 (a char(32) primary key,id INTEGER) ENGINE=INNODB;
CREATE TABLE t4 (a char(32) primary key,id INTEGER) ENGINE=MYISAM;
INSERT INTO t1 (id) VALUES (1);
INSERT INTO t1 SELECT id+1 FROM t1;
INSERT INTO t1 SELECT id+2 FROM t1;
INSERT INTO t1 SELECT id+4 FROM t1;
INSERT INTO t1 SELECT id+8 FROM t1;
INSERT INTO t1 SELECT id+16 FROM t1;
INSERT INTO t1 SELECT id+32 FROM t1;
INSERT INTO t1 SELECT id+64 FROM t1;
INSERT INTO t1 SELECT id+128 FROM t1;
INSERT INTO t1 SELECT id+256 FROM t1;
INSERT INTO t1 SELECT id+512 FROM t1;
INSERT INTO t1 SELECT id+1024 FROM t1;
INSERT INTO t1 SELECT id+2048 FROM t1;
INSERT INTO t1 SELECT id+4096 FROM t1;
INSERT INTO t1 SELECT id+8192 FROM t1;
INSERT INTO t1 SELECT id+16384 FROM t1;
INSERT INTO t1 SELECT id+32768 FROM t1;
INSERT INTO t1 SELECT id+65536 FROM t1;
INSERT INTO t1 SELECT id+131072 FROM t1;
INSERT INTO t1 SELECT id+262144 FROM t1;
INSERT INTO t1 SELECT id+524288 FROM t1;
INSERT INTO t1 SELECT id+1048576 FROM t1;
INSERT INTO t2 SELECT * FROM t1;
INSERT INTO t3 SELECT concat(id),id from t2 ORDER BY -id;
INSERT INTO t4 SELECT * from t3 ORDER BY concat(a);
select sum(id) from t3;
sum(id)
2199024304128
drop table t1,t2,t3,t4;
mysql-test/r/sum_distinct-big.result 0 → 100644
View file @ 81e8630e
using_big_test
0
CREATE TABLE t1 (id INTEGER);
CREATE TABLE t2 (id INTEGER);
INSERT INTO t1 (id) VALUES (1), (1), (1),(1);
INSERT INTO t1 (id) SELECT id FROM t1;
/* 8 */
INSERT INTO t1 (id) SELECT id FROM t1;
/* 12 */
INSERT INTO t1 (id) SELECT id FROM t1;
/* 16 */
INSERT INTO t1 (id) SELECT id FROM t1;
/* 20 */
INSERT INTO t1 (id) SELECT id FROM t1;
/* 24 */
INSERT INTO t1 SELECT id+1 FROM t1;
INSERT INTO t1 SELECT id+2 FROM t1;
INSERT INTO t1 SELECT id+4 FROM t1;
INSERT INTO t1 SELECT id+8 FROM t1;
INSERT INTO t1 SELECT id+16 FROM t1;
INSERT INTO t1 SELECT id+32 FROM t1;
INSERT INTO t1 SELECT id+64 FROM t1;
INSERT INTO t1 SELECT id+128 FROM t1;
INSERT INTO t1 SELECT id+256 FROM t1;
INSERT INTO t1 SELECT id+512 FROM t1;
SELECT AVG(DISTINCT id) FROM t1 GROUP BY id % 13;
AVG(DISTINCT id)
513.5000
508.0000
509.0000
510.0000
511.0000
512.0000
513.0000
514.0000
515.0000
516.0000
517.0000
511.5000
512.5000
SELECT SUM(DISTINCT id)/COUNT(DISTINCT id) FROM t1 GROUP BY id % 13;
SUM(DISTINCT id)/COUNT(DISTINCT id)
513.50000
508.00000
509.00000
510.00000
511.00000
512.00000
513.00000
514.00000
515.00000
516.00000
517.00000
511.50000
512.50000
INSERT INTO t1 SELECT id+1024 FROM t1;
INSERT INTO t1 SELECT id+2048 FROM t1;
INSERT INTO t1 SELECT id+4096 FROM t1;
INSERT INTO t1 SELECT id+8192 FROM t1;
INSERT INTO t2 SELECT id FROM t1 ORDER BY id*rand();
SELECT SUM(DISTINCT id) sm FROM t1;
sm
134225920
SELECT SUM(DISTINCT id) sm FROM t2;
sm
134225920
SELECT SUM(DISTINCT id) sm FROM t1 group by id % 13;
sm
10327590
10328851
10330112
10331373
10332634
10317510
10318770
10320030
10321290
10322550
10323810
10325070
10326330
SET max_heap_table_size=16384;
SHOW variables LIKE 'max_heap_table_size';
Variable_name Value
max_heap_table_size 16384
SELECT SUM(DISTINCT id) sm FROM t1;
sm
134225920
SELECT SUM(DISTINCT id) sm FROM t2;
sm
134225920
SELECT SUM(DISTINCT id) sm FROM t1 GROUP BY id % 13;
sm
10327590
10328851
10330112
10331373
10332634
10317510
10318770
10320030
10321290
10322550
10323810
10325070
10326330
DROP TABLE t1;
DROP TABLE t2;
mysql-test/r/sum_distinct.result
View file @ 81e8630e
......@@ -95,109 +95,3 @@ SELECT SUM(DISTINCT id % 11) FROM t1;
SUM(DISTINCT id % 11)
55
DROP TABLE t1;
CREATE TABLE t1 (id INTEGER);
CREATE TABLE t2 (id INTEGER);
INSERT INTO t1 (id) VALUES (1), (1), (1),(1);
INSERT INTO t1 (id) SELECT id FROM t1;
/* 8 */
INSERT INTO t1 (id) SELECT id FROM t1;
/* 12 */
INSERT INTO t1 (id) SELECT id FROM t1;
/* 16 */
INSERT INTO t1 (id) SELECT id FROM t1;
/* 20 */
INSERT INTO t1 (id) SELECT id FROM t1;
/* 24 */
INSERT INTO t1 SELECT id+1 FROM t1;
INSERT INTO t1 SELECT id+2 FROM t1;
INSERT INTO t1 SELECT id+4 FROM t1;
INSERT INTO t1 SELECT id+8 FROM t1;
INSERT INTO t1 SELECT id+16 FROM t1;
INSERT INTO t1 SELECT id+32 FROM t1;
INSERT INTO t1 SELECT id+64 FROM t1;
INSERT INTO t1 SELECT id+128 FROM t1;
INSERT INTO t1 SELECT id+256 FROM t1;
INSERT INTO t1 SELECT id+512 FROM t1;
SELECT AVG(DISTINCT id) FROM t1 GROUP BY id % 13;
AVG(DISTINCT id)
513.5000
508.0000
509.0000
510.0000
511.0000
512.0000
513.0000
514.0000
515.0000
516.0000
517.0000
511.5000
512.5000
SELECT SUM(DISTINCT id)/COUNT(DISTINCT id) FROM t1 GROUP BY id % 13;
SUM(DISTINCT id)/COUNT(DISTINCT id)
513.50000
508.00000
509.00000
510.00000
511.00000
512.00000
513.00000
514.00000
515.00000
516.00000
517.00000
511.50000
512.50000
INSERT INTO t1 SELECT id+1024 FROM t1;
INSERT INTO t1 SELECT id+2048 FROM t1;
INSERT INTO t1 SELECT id+4096 FROM t1;
INSERT INTO t1 SELECT id+8192 FROM t1;
INSERT INTO t2 SELECT id FROM t1 ORDER BY id*rand();
SELECT SUM(DISTINCT id) sm FROM t1;
sm
134225920
SELECT SUM(DISTINCT id) sm FROM t2;
sm
134225920
SELECT SUM(DISTINCT id) sm FROM t1 group by id % 13;
sm
10327590
10328851
10330112
10331373
10332634
10317510
10318770
10320030
10321290
10322550
10323810
10325070
10326330
SET max_heap_table_size=16384;
SHOW variables LIKE 'max_heap_table_size';
Variable_name Value
max_heap_table_size 16384
SELECT SUM(DISTINCT id) sm FROM t1;
sm
134225920
SELECT SUM(DISTINCT id) sm FROM t2;
sm
134225920
SELECT SUM(DISTINCT id) sm FROM t1 GROUP BY id % 13;
sm
10327590
10328851
10330112
10331373
10332634
10317510
10318770
10320030
10321290
10322550
10323810
10325070
10326330
DROP TABLE t1;
DROP TABLE t2;
mysql-test/t/heap.test
View file @ 81e8630e
......@@ -280,14 +280,14 @@ explain select * from t1 where v='a';
select v,count(*) from t1 group by v limit 10;
select v,count(t) from t1 group by v limit 10;
select v,count(c) from t1 group by v limit 10;
select sql_big_result v,count(t) from t1 group by v limit 10;
select sql_big_result v,count(c) from t1 group by v limit 10;
select sql_big_result trim(v),count(t) from t1 group by v limit 10;
select sql_big_result trim(v),count(c) from t1 group by v limit 10;
select c,count(*) from t1 group by c limit 10;
select c,count(t) from t1 group by c limit 10;
select sql_big_result c,count(t) from t1 group by c limit 10;
select t,count(*) from t1 group by t limit 10;
select t,count(t) from t1 group by t limit 10;
select sql_big_result t,count(t) from t1 group by t limit 10;
select sql_big_result trim(t),count(t) from t1 group by t limit 10;
drop table t1;
#
......
mysql-test/t/innodb-big.test 0 → 100644
View file @ 81e8630e
#
# Test some things that takes a long time
-- source include/big_test.inc
-- source include/have_innodb.inc
--disable_warnings
DROP TABLE IF EXISTS t1, t2, t3, t4;
--enable_warnings
#
# Test test how filesort and buffered-record-reads works with innodb
#
CREATE TABLE t1 (id INTEGER) ENGINE=MYISAM;
CREATE TABLE t2 (id INTEGER primary key) ENGINE=INNODB;
CREATE TABLE t3 (a char(32) primary key,id INTEGER) ENGINE=INNODB;
CREATE TABLE t4 (a char(32) primary key,id INTEGER) ENGINE=MYISAM;
INSERT INTO t1 (id) VALUES (1);
INSERT INTO t1 SELECT id+1 FROM t1;
INSERT INTO t1 SELECT id+2 FROM t1;
INSERT INTO t1 SELECT id+4 FROM t1;
INSERT INTO t1 SELECT id+8 FROM t1;
INSERT INTO t1 SELECT id+16 FROM t1;
INSERT INTO t1 SELECT id+32 FROM t1;
INSERT INTO t1 SELECT id+64 FROM t1;
INSERT INTO t1 SELECT id+128 FROM t1;
INSERT INTO t1 SELECT id+256 FROM t1;
INSERT INTO t1 SELECT id+512 FROM t1;
INSERT INTO t1 SELECT id+1024 FROM t1;
INSERT INTO t1 SELECT id+2048 FROM t1;
INSERT INTO t1 SELECT id+4096 FROM t1;
INSERT INTO t1 SELECT id+8192 FROM t1;
INSERT INTO t1 SELECT id+16384 FROM t1;
INSERT INTO t1 SELECT id+32768 FROM t1;
INSERT INTO t1 SELECT id+65536 FROM t1;
INSERT INTO t1 SELECT id+131072 FROM t1;
INSERT INTO t1 SELECT id+262144 FROM t1;
INSERT INTO t1 SELECT id+524288 FROM t1;
INSERT INTO t1 SELECT id+1048576 FROM t1;
INSERT INTO t2 SELECT * FROM t1;
INSERT INTO t3 SELECT concat(id),id from t2 ORDER BY -id;
INSERT INTO t4 SELECT * from t3 ORDER BY concat(a);
select sum(id) from t3;
drop table t1,t2,t3,t4;
mysql-test/t/sum_distinct-big.test 0 → 100644
View file @ 81e8630e
#
# Various tests for SUM(DISTINCT ...)
#
--source include/big_test.inc
--disable_warnings
DROP TABLE IF EXISTS t1, t2;
--enable_warnings
#
# Test the case when distinct values doesn't fit in memory and
# filesort is used (see uniques.cc:merge_walk)
#
CREATE TABLE t1 (id INTEGER);
CREATE TABLE t2 (id INTEGER);
INSERT INTO t1 (id) VALUES (1), (1), (1),(1);
INSERT INTO t1 (id) SELECT id FROM t1; /* 8 */
INSERT INTO t1 (id) SELECT id FROM t1; /* 12 */
INSERT INTO t1 (id) SELECT id FROM t1; /* 16 */
INSERT INTO t1 (id) SELECT id FROM t1; /* 20 */
INSERT INTO t1 (id) SELECT id FROM t1; /* 24 */
INSERT INTO t1 SELECT id+1 FROM t1;
INSERT INTO t1 SELECT id+2 FROM t1;
INSERT INTO t1 SELECT id+4 FROM t1;
INSERT INTO t1 SELECT id+8 FROM t1;
INSERT INTO t1 SELECT id+16 FROM t1;
INSERT INTO t1 SELECT id+32 FROM t1;
INSERT INTO t1 SELECT id+64 FROM t1;
INSERT INTO t1 SELECT id+128 FROM t1;
INSERT INTO t1 SELECT id+256 FROM t1;
INSERT INTO t1 SELECT id+512 FROM t1;
# Just test that AVG(DISTINCT) is there
SELECT AVG(DISTINCT id) FROM t1 GROUP BY id % 13;
SELECT SUM(DISTINCT id)/COUNT(DISTINCT id) FROM t1 GROUP BY id % 13;
INSERT INTO t1 SELECT id+1024 FROM t1;
INSERT INTO t1 SELECT id+2048 FROM t1;
INSERT INTO t1 SELECT id+4096 FROM t1;
INSERT INTO t1 SELECT id+8192 FROM t1;
INSERT INTO t2 SELECT id FROM t1 ORDER BY id*rand();
# SELECT '++++++++++++++++++++++++++++++++++++++++++++++++++';
SELECT SUM(DISTINCT id) sm FROM t1;
SELECT SUM(DISTINCT id) sm FROM t2;
SELECT SUM(DISTINCT id) sm FROM t1 group by id % 13;
# this limit for max_heap_table_size is set to force testing the case, when
# all distinct sum values can not fit in memory and must be stored in a
# temporary table
SET max_heap_table_size=16384;
# to check that max_heap_table_size was actually set (hard limit for minimum
# max_heap_table_size is set in mysqld.cc):
SHOW variables LIKE 'max_heap_table_size';
SELECT SUM(DISTINCT id) sm FROM t1;
SELECT SUM(DISTINCT id) sm FROM t2;
SELECT SUM(DISTINCT id) sm FROM t1 GROUP BY id % 13;
DROP TABLE t1;
DROP TABLE t2;
mysql-test/t/sum_distinct.test
View file @ 81e8630e
......@@ -93,62 +93,3 @@ SELECT SUM(DISTINCT id) FROM t1;
SELECT SUM(DISTINCT id % 11) FROM t1;
DROP TABLE t1;
#
# Test the case when distinct values doesn't fit in memory and
# filesort is used (see uniques.cc:merge_walk)
#
CREATE TABLE t1 (id INTEGER);
CREATE TABLE t2 (id INTEGER);
INSERT INTO t1 (id) VALUES (1), (1), (1),(1);
INSERT INTO t1 (id) SELECT id FROM t1; /* 8 */
INSERT INTO t1 (id) SELECT id FROM t1; /* 12 */
INSERT INTO t1 (id) SELECT id FROM t1; /* 16 */
INSERT INTO t1 (id) SELECT id FROM t1; /* 20 */
INSERT INTO t1 (id) SELECT id FROM t1; /* 24 */
INSERT INTO t1 SELECT id+1 FROM t1;
INSERT INTO t1 SELECT id+2 FROM t1;
INSERT INTO t1 SELECT id+4 FROM t1;
INSERT INTO t1 SELECT id+8 FROM t1;
INSERT INTO t1 SELECT id+16 FROM t1;
INSERT INTO t1 SELECT id+32 FROM t1;
INSERT INTO t1 SELECT id+64 FROM t1;
INSERT INTO t1 SELECT id+128 FROM t1;
INSERT INTO t1 SELECT id+256 FROM t1;
INSERT INTO t1 SELECT id+512 FROM t1;
# Just test that AVG(DISTINCT) is there
SELECT AVG(DISTINCT id) FROM t1 GROUP BY id % 13;
SELECT SUM(DISTINCT id)/COUNT(DISTINCT id) FROM t1 GROUP BY id % 13;
INSERT INTO t1 SELECT id+1024 FROM t1;
INSERT INTO t1 SELECT id+2048 FROM t1;
INSERT INTO t1 SELECT id+4096 FROM t1;
INSERT INTO t1 SELECT id+8192 FROM t1;
INSERT INTO t2 SELECT id FROM t1 ORDER BY id*rand();
# SELECT '++++++++++++++++++++++++++++++++++++++++++++++++++';
SELECT SUM(DISTINCT id) sm FROM t1;
SELECT SUM(DISTINCT id) sm FROM t2;
SELECT SUM(DISTINCT id) sm FROM t1 group by id % 13;
# this limit for max_heap_table_size is set to force testing the case, when
# all distinct sum values can not fit in memory and must be stored in a
# temporary table
SET max_heap_table_size=16384;
# to check that max_heap_table_size was actually set (hard limit for minimum
# max_heap_table_size is set in mysqld.cc):
SHOW variables LIKE 'max_heap_table_size';
SELECT SUM(DISTINCT id) sm FROM t1;
SELECT SUM(DISTINCT id) sm FROM t2;
SELECT SUM(DISTINCT id) sm FROM t1 GROUP BY id % 13;
DROP TABLE t1;
DROP TABLE t2;
sql/filesort.cc
View file @ 81e8630e
......@@ -127,7 +127,8 @@ ha_rows filesort(THD *thd, TABLE *table, SORT_FIELD *sortorder, uint s_length,
param.ref_length= table->file->ref_length;
param.addon_field= 0;
param.addon_length= 0;
if (!(table->s->tmp_table || table->fulltext_searched))
if (!(table->file->table_flags() & HA_FAST_KEY_READ) &&
!table->fulltext_searched)
{
/*
Get the descriptors of all fields whose values are appended
......@@ -1301,7 +1302,7 @@ get_addon_fields(THD *thd, Field **ptabfield, uint sortlength, uint *plength)
uint length= 0;
uint fields= 0;
uint null_fields= 0;
query_id_t query_id= thd->query_id;
/*
If there is a reference to a field in the query add it
to the the set of appended fields.
......@@ -1312,16 +1313,18 @@ get_addon_fields(THD *thd, Field **ptabfield, uint sortlength, uint *plength)
the values directly from sorted fields.
*/
*plength= 0;
/*
The following statement is added to avoid sorting in alter_table.
The fact is the filter 'field->query_id != thd->query_id'
doesn't work for alter table
*/
if (thd->lex->sql_command != SQLCOM_SELECT)
if (thd->lex->sql_command != SQLCOM_SELECT &&
thd->lex->sql_command != SQLCOM_INSERT_SELECT)
return 0;
for (pfield= ptabfield; (field= *pfield) ; pfield++)
{
if (field->query_id != thd->query_id)
if (field->query_id != query_id)
continue;
if (field->flags & BLOB_FLAG)
return 0;
......
sql/ha_innodb.h
View file @ 81e8630e
......@@ -85,7 +85,6 @@ class ha_innobase: public handler
ha_innobase(TABLE *table): handler(table),
int_table_flags(HA_REC_NOT_IN_SEQ |
HA_NULL_IN_KEY |
HA_FAST_KEY_READ |
HA_CAN_INDEX_BLOBS |
HA_CAN_SQL_HANDLER |
HA_NOT_EXACT_COUNT |
......
sql/handler.h
View file @ 81e8630e
......@@ -47,14 +47,22 @@
#define HA_ADMIN_WRONG_CHECKSUM -8
/* Bits in table_flags() to show what database can do */
#define HA_READ_RND_SAME (1 << 0) /* can switch index during the scan
with ::rnd_same() - not used yet.
see mi_rsame/heap_rsame/myrg_rsame */
/*
Can switch index during the scan with ::rnd_same() - not used yet.
see mi_rsame/heap_rsame/myrg_rsame
*/
#define HA_READ_RND_SAME (1 << 0)
#define HA_TABLE_SCAN_ON_INDEX (1 << 2) /* No separate data/index file */
#define HA_REC_NOT_IN_SEQ (1 << 3) /* ha_info don't return recnumber;
It returns a position to ha_r_rnd */
#define HA_CAN_GEOMETRY (1 << 4)
#define HA_FAST_KEY_READ (1 << 5) /* no need for a record cache in filesort */
/*
Reading keys in random order is as fast as reading keys in sort order
(Used in records.cc to decide if we should use a record cache and by
filesort to decide if we should sort key + data or key + pointer-to-row
*/
#define HA_FAST_KEY_READ (1 << 5)
#define HA_NULL_IN_KEY (1 << 7) /* One can have keys with NULL */
#define HA_DUPP_POS (1 << 8) /* ha_position() gives dup row */
#define HA_NO_BLOBS (1 << 9) /* Doesn't support blobs */
......@@ -62,9 +70,11 @@
#define HA_AUTO_PART_KEY (1 << 11) /* auto-increment in multi-part key */
#define HA_REQUIRE_PRIMARY_KEY (1 << 12) /* .. and can't create a hidden one */
#define HA_NOT_EXACT_COUNT (1 << 13)
#define HA_CAN_INSERT_DELAYED (1 << 14) /* only handlers with table-level locks
need no special code to support
INSERT DELAYED */
/*
INSERT_DELAYED only works with handlers that uses MySQL internal table
level locks
*/
#define HA_CAN_INSERT_DELAYED (1 << 14)
#define HA_PRIMARY_KEY_IN_READ_INDEX (1 << 15)
#define HA_NOT_DELETE_WITH_CACHE (1 << 18)
#define HA_NO_PREFIX_CHAR_KEYS (1 << 20)
......
sql/mysql_priv.h
View file @ 81e8630e
......@@ -116,7 +116,7 @@ extern CHARSET_INFO *national_charset_info, *table_alias_charset;
The following parameters is to decide when to use an extra cache to
optimise seeks when reading a big table in sorted order
*/
#define MIN_FILE_LENGTH_TO_USE_ROW_CACHE (16L*1024*1024)
#define MIN_FILE_LENGTH_TO_USE_ROW_CACHE (10L*1024*1024)
#define MIN_ROWS_TO_USE_TABLE_CACHE 100
#define MIN_ROWS_TO_USE_BULK_INSERT 100
......
sql/records.cc
View file @ 81e8630e
......@@ -89,7 +89,8 @@ void init_read_record(READ_RECORD *info,THD *thd, TABLE *table,
(ulonglong) MIN_FILE_LENGTH_TO_USE_ROW_CACHE &&
info->io_cache->end_of_file/info->ref_length * table->s->reclength >
(my_off_t) MIN_ROWS_TO_USE_TABLE_CACHE &&
!table->s->blob_fields)
!table->s->blob_fields &&
info->ref_length <= MAX_REFLENGTH)
{
if (! init_rr_cache(thd, info))
{
......@@ -348,7 +349,8 @@ static int init_rr_cache(THD *thd, READ_RECORD *info)
MYF(0))))
DBUG_RETURN(1);
#ifdef HAVE_purify
bzero(info->cache,rec_cache_size); // Avoid warnings in qsort
// Avoid warnings in qsort
bzero(info->cache,rec_cache_size+info->cache_records* info->struct_length+1);
#endif
DBUG_PRINT("info",("Allocated buffert for %d records",info->cache_records));
info->read_positions=info->cache+rec_cache_size;
......
sql/sql_select.cc
View file @ 81e8630e
......@@ -8157,6 +8157,7 @@ create_tmp_table(THD *thd,TMP_TABLE_PARAM *param,List<Item> &fields,
*/
(*argp)->maybe_null=1;
}
new_field->query_id= thd->query_id;
}
}
}
......@@ -8203,6 +8204,7 @@ create_tmp_table(THD *thd,TMP_TABLE_PARAM *param,List<Item> &fields,
group_null_items++;
new_field->flags|= GROUP_FLAG;
}
new_field->query_id= thd->query_id;
*(reg_field++) =new_field;
}
if (!--hidden_field_count)
......
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