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Merge rurik.mysql.com:/home/igor/dev/mysql-4.0-0

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into rurik.mysql.com:/home/igor/dev/mysql-4.1-0


BitKeeper/etc/logging_ok:
  auto-union
extra/replace.c:
  Auto merged
mysql-test/r/select.result:
  Auto merged
mysql-test/t/select.test:
  Auto merged
sql/table.cc:
  Auto merged
This commit is contained in:
unknown
2005-02-10 22:17:18 -08:00
parent 37e2873fe3 9540945624
commit dca07cf034
4 changed files with 42 additions and 13 deletions
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26
extra/replace.c
View File

@ -376,8 +376,8 @@ static REP_SET *make_new_set(REP_SETS *sets);
static void make_sets_invisible(REP_SETS *sets); static void make_sets_invisible(REP_SETS *sets);
static void free_last_set(REP_SETS *sets); static void free_last_set(REP_SETS *sets);
static void free_sets(REP_SETS *sets); static void free_sets(REP_SETS *sets);
static void set_bit(REP_SET *set, uint bit); static void internal_set_bit(REP_SET *set, uint bit);
static void clear_bit(REP_SET *set, uint bit); static void internal_clear_bit(REP_SET *set, uint bit);
static void or_bits(REP_SET *to,REP_SET *from); static void or_bits(REP_SET *to,REP_SET *from);
static void copy_bits(REP_SET *to,REP_SET *from); static void copy_bits(REP_SET *to,REP_SET *from);
static int cmp_bits(REP_SET *set1,REP_SET *set2); static int cmp_bits(REP_SET *set1,REP_SET *set2);
@ -454,7 +454,7 @@ REPLACE *init_replace(my_string *from, my_string *to,uint count,
{ {
if (from[i][0] == '\\' && from[i][1] == '^') if (from[i][0] == '\\' && from[i][1] == '^')
{ {
set_bit(start_states,states+1); internal_set_bit(start_states,states+1);
if (!from[i][2]) if (!from[i][2])
{ {
start_states->table_offset=i; start_states->table_offset=i;
@ -463,8 +463,8 @@ REPLACE *init_replace(my_string *from, my_string *to,uint count,
} }
else if (from[i][0] == '\\' && from[i][1] == '$') else if (from[i][0] == '\\' && from[i][1] == '$')
{ {
set_bit(start_states,states); internal_set_bit(start_states,states);
set_bit(word_states,states); internal_set_bit(word_states,states);
if (!from[i][2] && start_states->table_offset == (uint) ~0) if (!from[i][2] && start_states->table_offset == (uint) ~0)
{ {
start_states->table_offset=i; start_states->table_offset=i;
@ -473,11 +473,11 @@ REPLACE *init_replace(my_string *from, my_string *to,uint count,
} }
else else
{ {
set_bit(word_states,states); internal_set_bit(word_states,states);
if (from[i][0] == '\\' && (from[i][1] == 'b' && from[i][2])) if (from[i][0] == '\\' && (from[i][1] == 'b' && from[i][2]))
set_bit(start_states,states+1); internal_set_bit(start_states,states+1);
else else
set_bit(start_states,states); internal_set_bit(start_states,states);
} }
for (pos=from[i], len=0; *pos ; pos++) for (pos=from[i], len=0; *pos ; pos++)
{ {
@ -583,9 +583,9 @@ REPLACE *init_replace(my_string *from, my_string *to,uint count,
follow[i].len > found_end) follow[i].len > found_end)
found_end=follow[i].len; found_end=follow[i].len;
if (chr && follow[i].chr) if (chr && follow[i].chr)
set_bit(new_set,i+1); /* To next set */ internal_set_bit(new_set,i+1); /* To next set */
else else
set_bit(new_set,i); internal_set_bit(new_set,i);
} }
} }
if (found_end) if (found_end)
@ -602,7 +602,7 @@ REPLACE *init_replace(my_string *from, my_string *to,uint count,
if (follow[bit_nr-1].len < found_end || if (follow[bit_nr-1].len < found_end ||
(new_set->found_len && (new_set->found_len &&
(chr == 0 || !follow[bit_nr].chr))) (chr == 0 || !follow[bit_nr].chr)))
clear_bit(new_set,i); internal_clear_bit(new_set,i);
else else
{ {
if (chr == 0 || !follow[bit_nr].chr) if (chr == 0 || !follow[bit_nr].chr)
@ -751,13 +751,13 @@ static void free_sets(REP_SETS *sets)
return; return;
} }
static void set_bit(REP_SET *set, uint bit) static void internal_set_bit(REP_SET *set, uint bit)
{ {
set->bits[bit / WORD_BIT] |= 1 << (bit % WORD_BIT); set->bits[bit / WORD_BIT] |= 1 << (bit % WORD_BIT);
return; return;
} }
static void clear_bit(REP_SET *set, uint bit) static void internal_clear_bit(REP_SET *set, uint bit)
{ {
set->bits[bit / WORD_BIT] &= ~ (1 << (bit % WORD_BIT)); set->bits[bit / WORD_BIT] &= ~ (1 << (bit % WORD_BIT));
return; return;

13
mysql-test/r/select.result
View File

@ -2387,3 +2387,16 @@ EXPLAIN SELECT i FROM t1 WHERE i=1;
id select_type table type possible_keys key key_len ref rows Extra id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 const PRIMARY PRIMARY 4 const 1 Using index 1 SIMPLE t1 const PRIMARY PRIMARY 4 const 1 Using index
DROP TABLE t1; DROP TABLE t1;
CREATE TABLE t1 ( a BLOB, INDEX (a(20)) );
CREATE TABLE t2 ( a BLOB, INDEX (a(20)) );
INSERT INTO t1 VALUES ('one'),('two'),('three'),('four'),('five');
INSERT INTO t2 VALUES ('one'),('two'),('three'),('four'),('five');
EXPLAIN SELECT * FROM t1 LEFT JOIN t2 USE INDEX (a) ON t1.a=t2.a;
table type possible_keys key key_len ref rows Extra
t1 ALL NULL NULL NULL NULL 5
t2 ref a a 23 t1.a 5
EXPLAIN SELECT * FROM t1 LEFT JOIN t2 FORCE INDEX (a) ON t1.a=t2.a;
table type possible_keys key key_len ref rows Extra
t1 ALL NULL NULL NULL NULL 5
t2 ref a a 23 t1.a 5
DROP TABLE t1, t2;

15
mysql-test/t/select.test
View File

@ -1930,3 +1930,18 @@ INSERT INTO t1 VALUES (3,'c');
EXPLAIN SELECT i FROM t1 WHERE i=1; EXPLAIN SELECT i FROM t1 WHERE i=1;
DROP TABLE t1; DROP TABLE t1;
#
# Test case for bug 7520: a wrong cost of the index for a BLOB field
#
CREATE TABLE t1 ( a BLOB, INDEX (a(20)) );
CREATE TABLE t2 ( a BLOB, INDEX (a(20)) );
INSERT INTO t1 VALUES ('one'),('two'),('three'),('four'),('five');
INSERT INTO t2 VALUES ('one'),('two'),('three'),('four'),('five');
EXPLAIN SELECT * FROM t1 LEFT JOIN t2 USE INDEX (a) ON t1.a=t2.a;
EXPLAIN SELECT * FROM t1 LEFT JOIN t2 FORCE INDEX (a) ON t1.a=t2.a;
DROP TABLE t1, t2;

1
sql/table.cc
View File

@ -627,6 +627,7 @@ int openfrm(const char *name, const char *alias, uint db_stat, uint prgflag,
if (!(field->flags & BINARY_FLAG)) if (!(field->flags & BINARY_FLAG))
keyinfo->flags|= HA_END_SPACE_KEY; keyinfo->flags|= HA_END_SPACE_KEY;
} }
set_if_bigger(outparam->max_key_length, keyinfo->key_length);
if (i == 0 && key != primary_key) if (i == 0 && key != primary_key)
field->flags |= field->flags |=
((keyinfo->flags & HA_NOSAME) && ((keyinfo->flags & HA_NOSAME) &&