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Commit 0fd1e1af authored by unknown's avatar unknown
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Merge aivanov@bk-internal.mysql.com:/home/bk/mysql-5.0 

into  mysql.com:/home/alexi/innodb-ss/mysql-5.0-ss52
parents 871806cf 3e7becb9
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Showing with 231 additions and 117 deletions
innobase/btr/btr0sea.c
View file @ 0fd1e1af
......@@ -904,6 +904,7 @@ btr_search_drop_page_hash_index(
ulint* folds;
ulint i;
mem_heap_t* heap;
dict_index_t* index;
ulint* offsets;
#ifdef UNIV_SYNC_DEBUG
......@@ -932,11 +933,16 @@ btr_search_drop_page_hash_index(
n_fields = block->curr_n_fields;
n_bytes = block->curr_n_bytes;
index = block->index;
ut_a(n_fields + n_bytes > 0);
/* NOTE: The fields of block must not be accessed after
releasing btr_search_latch, as the index page might only
be s-latched! */
rw_lock_s_unlock(&btr_search_latch);
ut_a(n_fields + n_bytes > 0);
n_recs = page_get_n_recs(page);
/* Calculate and cache fold values into an array for fast deletion
......@@ -949,14 +955,6 @@ btr_search_drop_page_hash_index(
rec = page_get_infimum_rec(page);
rec = page_rec_get_next(rec);
if (!page_rec_is_supremum(rec)) {
ut_a(n_fields <= rec_get_n_fields(rec, block->index));
if (n_bytes > 0) {
ut_a(n_fields < rec_get_n_fields(rec, block->index));
}
}
tree_id = btr_page_get_index_id(page);
prev_fold = 0;
......@@ -964,18 +962,12 @@ btr_search_drop_page_hash_index(
heap = NULL;
offsets = NULL;
if (block->index == NULL) {
mem_analyze_corruption((byte*)block);
ut_a(block->index != NULL);
}
while (!page_rec_is_supremum(rec)) {
/* FIXME: in a mixed tree, not all records may have enough
ordering fields: */
offsets = rec_get_offsets(rec, block->index,
offsets, n_fields + (n_bytes > 0), &heap);
offsets = rec_get_offsets(rec, index, offsets,
n_fields + (n_bytes > 0), &heap);
ut_a(rec_offs_n_fields(offsets) == n_fields + (n_bytes > 0));
fold = rec_fold(rec, offsets, n_fields, n_bytes, tree_id);
if (fold == prev_fold && prev_fold != 0) {
......
innobase/dict/dict0dict.c
View file @ 0fd1e1af
......@@ -2104,8 +2104,11 @@ dict_foreign_find_index(
dict_table_t* table, /* in: table */
const char** columns,/* in: array of column names */
ulint n_cols, /* in: number of columns */
dict_index_t* types_idx)/* in: NULL or an index to whose types the
column types must match */
dict_index_t* types_idx, /* in: NULL or an index to whose types the
column types must match */
ibool check_charsets) /* in: whether to check charsets.
only has an effect if types_idx !=
NULL. */
{
#ifndef UNIV_HOTBACKUP
dict_index_t* index;
......@@ -2135,7 +2138,8 @@ dict_foreign_find_index(
if (types_idx && !cmp_types_are_equal(
dict_index_get_nth_type(index, i),
dict_index_get_nth_type(types_idx, i))) {
dict_index_get_nth_type(types_idx, i),
check_charsets)) {
break;
}
......@@ -2212,7 +2216,8 @@ dict_foreign_add_to_cache(
/*======================*/
/* out: DB_SUCCESS or error code */
dict_foreign_t* foreign, /* in, own: foreign key constraint */
ibool check_types) /* in: TRUE=check type compatibility */
ibool check_charsets) /* in: TRUE=check charset
compatibility */
{
dict_table_t* for_table;
dict_table_t* ref_table;
......@@ -2248,16 +2253,10 @@ dict_foreign_add_to_cache(
}
if (for_in_cache->referenced_table == NULL && ref_table) {
dict_index_t* types_idx;
if (check_types) {
types_idx = for_in_cache->foreign_index;
} else {
types_idx = NULL;
}
index = dict_foreign_find_index(ref_table,
(const char**) for_in_cache->referenced_col_names,
for_in_cache->n_fields,
types_idx);
for_in_cache->foreign_index, check_charsets);
if (index == NULL) {
dict_foreign_error_report(ef, for_in_cache,
......@@ -2281,16 +2280,10 @@ dict_foreign_add_to_cache(
}
if (for_in_cache->foreign_table == NULL && for_table) {
dict_index_t* types_idx;
if (check_types) {
types_idx = for_in_cache->referenced_index;
} else {
types_idx = NULL;
}
index = dict_foreign_find_index(for_table,
(const char**) for_in_cache->foreign_col_names,
for_in_cache->n_fields,
types_idx);
for_in_cache->referenced_index, check_charsets);
if (index == NULL) {
dict_foreign_error_report(ef, for_in_cache,
......@@ -3097,7 +3090,7 @@ dict_create_foreign_constraints_low(
/* Try to find an index which contains the columns
as the first fields and in the right order */
index = dict_foreign_find_index(table, column_names, i, NULL);
index = dict_foreign_find_index(table, column_names, i, NULL, TRUE);
if (!index) {
mutex_enter(&dict_foreign_err_mutex);
......@@ -3362,8 +3355,7 @@ dict_create_foreign_constraints_low(
if (referenced_table) {
index = dict_foreign_find_index(referenced_table,
column_names, i,
foreign->foreign_index);
column_names, i, foreign->foreign_index, TRUE);
if (!index) {
dict_foreign_free(foreign);
mutex_enter(&dict_foreign_err_mutex);
......
innobase/dict/dict0load.c
View file @ 0fd1e1af
......@@ -1091,7 +1091,7 @@ dict_load_foreign(
/* out: DB_SUCCESS or error code */
const char* id, /* in: foreign constraint id as a
null-terminated string */
ibool check_types)/* in: TRUE=check type compatibility */
ibool check_charsets)/* in: TRUE=check charset compatibility */
{
dict_foreign_t* foreign;
dict_table_t* sys_foreign;
......@@ -1204,7 +1204,7 @@ dict_load_foreign(
a new foreign key constraint but loading one from the data
dictionary. */
return(dict_foreign_add_to_cache(foreign, check_types));
return(dict_foreign_add_to_cache(foreign, check_charsets));
}
/***************************************************************************
......@@ -1219,7 +1219,8 @@ dict_load_foreigns(
/*===============*/
/* out: DB_SUCCESS or error code */
const char* table_name, /* in: table name */
ibool check_types) /* in: TRUE=check type compatibility */
ibool check_charsets) /* in: TRUE=check charset
compatibility */
{
btr_pcur_t pcur;
mem_heap_t* heap;
......@@ -1319,7 +1320,7 @@ dict_load_foreigns(
/* Load the foreign constraint definition to the dictionary cache */
err = dict_load_foreign(id, check_types);
err = dict_load_foreign(id, check_charsets);
if (err != DB_SUCCESS) {
btr_pcur_close(&pcur);
......
innobase/include/buf0buf.h
View file @ 0fd1e1af
......@@ -745,8 +745,6 @@ struct buf_block_struct{
buffer pool which are index pages,
but this flag is not set because
we do not keep track of all pages */
dict_index_t* index; /* index for which the adaptive
hash index has been created */
/* 2. Page flushing fields */
UT_LIST_NODE_T(buf_block_t) flush_list;
......@@ -833,7 +831,7 @@ struct buf_block_struct{
records with the same prefix should be
indexed in the hash index */
/* The following 4 fields are protected by btr_search_latch: */
/* The following 6 fields are protected by btr_search_latch: */
ibool is_hashed; /* TRUE if hash index has already been
built on this page; note that it does
......@@ -850,6 +848,12 @@ struct buf_block_struct{
ulint curr_side; /* BTR_SEARCH_LEFT_SIDE or
BTR_SEARCH_RIGHT_SIDE in hash
indexing */
dict_index_t* index; /* Index for which the adaptive
hash index has been created.
This field may only be modified
while holding an s-latch or x-latch
on block->lock and an x-latch on
btr_search_latch. */
/* 6. Debug fields */
#ifdef UNIV_SYNC_DEBUG
rw_lock_t debug_latch; /* in the debug version, each thread
......
innobase/include/dict0dict.h
View file @ 0fd1e1af
......@@ -197,7 +197,8 @@ dict_foreign_add_to_cache(
/*======================*/
/* out: DB_SUCCESS or error code */
dict_foreign_t* foreign, /* in, own: foreign key constraint */
ibool check_types); /* in: TRUE=check type compatibility */
ibool check_charsets);/* in: TRUE=check charset
compatibility */
/*************************************************************************
Checks if a table is referenced by foreign keys. */
......
innobase/include/dict0load.h
View file @ 0fd1e1af
......@@ -82,7 +82,8 @@ dict_load_foreigns(
/*===============*/
/* out: DB_SUCCESS or error code */
const char* table_name, /* in: table name */
ibool check_types); /* in: TRUE=check type compatibility */
ibool check_charsets);/* in: TRUE=check charsets
compatibility */
/************************************************************************
Prints to the standard output information on all tables found in the data
dictionary system table. */
......
innobase/include/rem0cmp.h
View file @ 0fd1e1af
......@@ -24,7 +24,8 @@ cmp_types_are_equal(
/* out: TRUE if the types are considered
equal in comparisons */
dtype_t* type1, /* in: type 1 */
dtype_t* type2); /* in: type 2 */
dtype_t* type2, /* in: type 2 */
ibool check_charsets); /* in: whether to check charsets */
/*****************************************************************
This function is used to compare two data fields for which we know the
data type. */
......
innobase/rem/rem0cmp.c
View file @ 0fd1e1af
......@@ -99,7 +99,8 @@ cmp_types_are_equal(
/* out: TRUE if the types are considered
equal in comparisons */
dtype_t* type1, /* in: type 1 */
dtype_t* type2) /* in: type 2 */
dtype_t* type2, /* in: type 2 */
ibool check_charsets) /* in: whether to check charsets */
{
if (dtype_is_non_binary_string_type(type1->mtype, type1->prtype)
&& dtype_is_non_binary_string_type(type2->mtype, type2->prtype)) {
......@@ -107,12 +108,12 @@ cmp_types_are_equal(
/* Both are non-binary string types: they can be compared if
and only if the charset-collation is the same */
if (dtype_get_charset_coll(type1->prtype)
== dtype_get_charset_coll(type2->prtype)) {
if (check_charsets) {
return(dtype_get_charset_coll(type1->prtype)
== dtype_get_charset_coll(type2->prtype));
} else {
return(TRUE);
}
return(FALSE);
}
if (dtype_is_binary_string_type(type1->mtype, type1->prtype)
......
innobase/row/row0mysql.c
View file @ 0fd1e1af
......@@ -2132,7 +2132,7 @@ row_table_add_foreign_constraints(
if (err == DB_SUCCESS) {
/* Check that also referencing constraints are ok */
err = dict_load_foreigns(name, trx->check_foreigns);
err = dict_load_foreigns(name, TRUE);
}
if (err != DB_SUCCESS) {
......@@ -3590,7 +3590,8 @@ row_rename_table_for_mysql(
mem_heap_t* heap = NULL;
const char** constraints_to_drop = NULL;
ulint n_constraints_to_drop = 0;
ibool recovering_temp_table = FALSE;
ibool recovering_temp_table = FALSE;
ibool old_is_tmp, new_is_tmp;
ulint len;
ulint i;
ibool success;
......@@ -3630,6 +3631,9 @@ row_rename_table_for_mysql(
trx->op_info = "renaming table";
trx_start_if_not_started(trx);
old_is_tmp = row_is_mysql_tmp_table_name(old_name);
new_is_tmp = row_is_mysql_tmp_table_name(new_name);
if (row_mysql_is_recovered_tmp_table(new_name)) {
recovering_temp_table = TRUE;
......@@ -3676,7 +3680,7 @@ row_rename_table_for_mysql(
len = (sizeof str1) + (sizeof str2) + (sizeof str3) + (sizeof str5) - 4
+ ut_strlenq(new_name, '\'') + ut_strlenq(old_name, '\'');
if (row_is_mysql_tmp_table_name(new_name)) {
if (new_is_tmp) {
db_name_len = dict_get_db_name_len(old_name) + 1;
/* MySQL is doing an ALTER TABLE command and it renames the
......@@ -3829,7 +3833,7 @@ row_rename_table_for_mysql(
the table is stored in a single-table tablespace */
success = dict_table_rename_in_cache(table, new_name,
!row_is_mysql_tmp_table_name(new_name));
!new_is_tmp);
if (!success) {
trx->error_state = DB_SUCCESS;
trx_general_rollback_for_mysql(trx, FALSE, NULL);
......@@ -3846,19 +3850,16 @@ row_rename_table_for_mysql(
goto funct_exit;
}
err = dict_load_foreigns(new_name, trx->check_foreigns);
if (row_is_mysql_tmp_table_name(old_name)) {
/* We only want to switch off some of the type checking in
an ALTER, not in a RENAME. */
err = dict_load_foreigns(new_name,
old_is_tmp ? trx->check_foreigns : TRUE);
/* MySQL is doing an ALTER TABLE command and it
renames the created temporary table to the name
of the original table. In the ALTER TABLE we maybe
created some FOREIGN KEY constraints for the temporary
table. But we want to load also the foreign key
constraint definitions for the original table name. */
if (err != DB_SUCCESS) {
ut_print_timestamp(stderr);
if (err != DB_SUCCESS) {
ut_print_timestamp(stderr);
if (old_is_tmp) {
fputs(" InnoDB: Error: in ALTER TABLE ",
stderr);
ut_print_name(stderr, trx, new_name);
......@@ -3866,36 +3867,23 @@ row_rename_table_for_mysql(
"InnoDB: has or is referenced in foreign key constraints\n"
"InnoDB: which are not compatible with the new table definition.\n",
stderr);
ut_a(dict_table_rename_in_cache(table,
old_name, FALSE));
trx->error_state = DB_SUCCESS;
trx_general_rollback_for_mysql(trx, FALSE,
NULL);
trx->error_state = DB_SUCCESS;
}
} else {
if (err != DB_SUCCESS) {
ut_print_timestamp(stderr);
} else {
fputs(
" InnoDB: Error: in RENAME TABLE table ",
stderr);
ut_print_name(stderr, trx, new_name);
fputs("\n"
"InnoDB: is referenced in foreign key constraints\n"
"InnoDB: which are not compatible with the new table definition.\n",
"InnoDB: is referenced in foreign key constraints\n"
"InnoDB: which are not compatible with the new table definition.\n",
stderr);
ut_a(dict_table_rename_in_cache(table,
old_name, FALSE));
trx->error_state = DB_SUCCESS;
trx_general_rollback_for_mysql(trx, FALSE,
NULL);
trx->error_state = DB_SUCCESS;
}
ut_a(dict_table_rename_in_cache(table,
old_name, FALSE));
trx->error_state = DB_SUCCESS;
trx_general_rollback_for_mysql(trx, FALSE,
NULL);
trx->error_state = DB_SUCCESS;
}
}
funct_exit:
......
mysql-test/r/innodb.result
View file @ 0fd1e1af
......@@ -2437,7 +2437,9 @@ a b
20 NULL
drop table t1;
create table t1 (v varchar(65530), key(v));
ERROR HY000: Can't create table './test/t1' (errno: 139)
Warnings:
Warning 1071 Specified key was too long; max key length is 767 bytes
drop table t1;
create table t1 (v varchar(65536));
Warnings:
Note 1246 Converting column 'v' from VARCHAR to TEXT
......@@ -2577,22 +2579,49 @@ create table t8 (col1 blob, index(col1(767)))
character set = latin1 engine = innodb;
create table t9 (col1 varchar(512), col2 varchar(512), index(col1, col2))
character set = latin1 engine = innodb;
show create table t9;
Table Create Table
t9 CREATE TABLE `t9` (
`col1` varchar(512) default NULL,
`col2` varchar(512) default NULL,
KEY `col1` (`col1`,`col2`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1
drop table t1, t2, t3, t4, t5, t6, t7, t8, t9;
create table t1 (col1 varchar(768), index (col1))
create table t1 (col1 varchar(768), index(col1))
character set = latin1 engine = innodb;
ERROR HY000: Can't create table './test/t1.frm' (errno: 139)
create table t2 (col1 varchar(768) primary key)
Warnings:
Warning 1071 Specified key was too long; max key length is 767 bytes
create table t2 (col1 varbinary(768), index(col1))
character set = latin1 engine = innodb;
ERROR HY000: Can't create table './test/t2.frm' (errno: 139)
create table t3 (col1 varbinary(768) primary key)
Warnings:
Warning 1071 Specified key was too long; max key length is 767 bytes
create table t3 (col1 text, index(col1(768)))
character set = latin1 engine = innodb;
ERROR HY000: Can't create table './test/t3.frm' (errno: 139)
create table t4 (col1 text, index(col1(768)))
Warnings:
Warning 1071 Specified key was too long; max key length is 767 bytes
create table t4 (col1 blob, index(col1(768)))
character set = latin1 engine = innodb;
ERROR HY000: Can't create table './test/t4.frm' (errno: 139)
create table t5 (col1 blob, index(col1(768)))
Warnings:
Warning 1071 Specified key was too long; max key length is 767 bytes
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`col1` varchar(768) default NULL,
KEY `col1` (`col1`(767))
) ENGINE=InnoDB DEFAULT CHARSET=latin1
drop table t1, t2, t3, t4;
create table t1 (col1 varchar(768) primary key)
character set = latin1 engine = innodb;
ERROR 42000: Specified key was too long; max key length is 767 bytes
create table t2 (col1 varbinary(768) primary key)
character set = latin1 engine = innodb;
ERROR 42000: Specified key was too long; max key length is 767 bytes
create table t3 (col1 text, primary key(col1(768)))
character set = latin1 engine = innodb;
ERROR 42000: Specified key was too long; max key length is 767 bytes
create table t4 (col1 blob, primary key(col1(768)))
character set = latin1 engine = innodb;
ERROR HY000: Can't create table './test/t5.frm' (errno: 139)
ERROR 42000: Specified key was too long; max key length is 767 bytes
CREATE TABLE t1
(
id INT PRIMARY KEY
......@@ -2772,6 +2801,38 @@ insert into t2 values (4,_ucs2 0x05612020,_ucs2 0x05612020,'taken');
drop table t1;
drop table t2;
commit;
set foreign_key_checks=0;
create table t2 (a int primary key, b int, foreign key (b) references t1(a)) engine = innodb;
create table t1(a char(10) primary key, b varchar(20)) engine = innodb;
ERROR HY000: Can't create table './test/t1.frm' (errno: 150)
set foreign_key_checks=1;
drop table t2;
set foreign_key_checks=0;
create table t1(a varchar(10) primary key) engine = innodb DEFAULT CHARSET=latin1;
create table t2 (a varchar(10), foreign key (a) references t1(a)) engine = innodb DEFAULT CHARSET=utf8;
ERROR HY000: Can't create table './test/t2.frm' (errno: 150)
set foreign_key_checks=1;
drop table t1;
set foreign_key_checks=0;
create table t2 (a varchar(10), foreign key (a) references t1(a)) engine = innodb;
create table t1(a varchar(10) primary key) engine = innodb;
alter table t1 modify column a int;
Got one of the listed errors
set foreign_key_checks=1;
drop table t2,t1;
set foreign_key_checks=0;
create table t2 (a varchar(10), foreign key (a) references t1(a)) engine = innodb DEFAULT CHARSET=latin1;
create table t1(a varchar(10) primary key) engine = innodb DEFAULT CHARSET=latin1;
alter table t1 convert to character set utf8;
set foreign_key_checks=1;
drop table t2,t1;
set foreign_key_checks=0;
create table t2 (a varchar(10), foreign key (a) references t1(a)) engine = innodb DEFAULT CHARSET=latin1;
create table t3(a varchar(10) primary key) engine = innodb DEFAULT CHARSET=utf8;
rename table t3 to t1;
ERROR HY000: Error on rename of './test/t3' to './test/t1' (errno: 150)
set foreign_key_checks=1;
drop table t2,t3;
create table t1 (a varchar(255) character set utf8,
b varchar(255) character set utf8,
c varchar(255) character set utf8,
......@@ -2785,4 +2846,3 @@ d varchar(255) character set utf8,
e varchar(255) character set utf8,
key (a,b,c,d,e)) engine=innodb;
ERROR 42000: Specified key was too long; max key length is 3072 bytes
End of 5.0 tests
mysql-test/t/innodb.test
View file @ 0fd1e1af
......@@ -1356,8 +1356,8 @@ source include/varchar.inc;
# Clean up filename -- embedded server reports whole path without .frm,
# regular server reports relative path with .frm (argh!)
--replace_result \\ / $MYSQL_TEST_DIR . /var/master-data/ / t1.frm t1
--error 1005
create table t1 (v varchar(65530), key(v));
drop table t1;
create table t1 (v varchar(65536));
show create table t1;
drop table t1;
......@@ -1485,7 +1485,7 @@ CREATE TEMPORARY TABLE t2
DROP TABLE t1;
#
# Test that index column max sizes are checked (bug #13315)
# Test that index column max sizes are honored (bug #13315)
#
# prefix index
......@@ -1512,22 +1512,36 @@ create table t8 (col1 blob, index(col1(767)))
create table t9 (col1 varchar(512), col2 varchar(512), index(col1, col2))
character set = latin1 engine = innodb;
show create table t9;
drop table t1, t2, t3, t4, t5, t6, t7, t8, t9;
--error 1005
create table t1 (col1 varchar(768), index (col1))
# these should have their index length trimmed
create table t1 (col1 varchar(768), index(col1))
character set = latin1 engine = innodb;
--error 1005
create table t2 (col1 varchar(768) primary key)
create table t2 (col1 varbinary(768), index(col1))
character set = latin1 engine = innodb;
--error 1005
create table t3 (col1 varbinary(768) primary key)
create table t3 (col1 text, index(col1(768)))
character set = latin1 engine = innodb;
--error 1005
create table t4 (col1 text, index(col1(768)))
create table t4 (col1 blob, index(col1(768)))
character set = latin1 engine = innodb;
--error 1005
create table t5 (col1 blob, index(col1(768)))
show create table t1;
drop table t1, t2, t3, t4;
# these should be refused
--error 1071
create table t1 (col1 varchar(768) primary key)
character set = latin1 engine = innodb;
--error 1071
create table t2 (col1 varbinary(768) primary key)
character set = latin1 engine = innodb;
--error 1071
create table t3 (col1 text, primary key(col1(768)))
character set = latin1 engine = innodb;
--error 1071
create table t4 (col1 blob, primary key(col1(768)))
character set = latin1 engine = innodb;
#
......@@ -1752,6 +1766,56 @@ drop table t1;
drop table t2;
commit;
# tests for bugs #9802 and #13778
# test that FKs between invalid types are not accepted
set foreign_key_checks=0;
create table t2 (a int primary key, b int, foreign key (b) references t1(a)) engine = innodb;
-- error 1005
create table t1(a char(10) primary key, b varchar(20)) engine = innodb;
set foreign_key_checks=1;
drop table t2;
# test that FKs between different charsets are not accepted in CREATE even
# when f_k_c is 0
set foreign_key_checks=0;
create table t1(a varchar(10) primary key) engine = innodb DEFAULT CHARSET=latin1;
-- error 1005
create table t2 (a varchar(10), foreign key (a) references t1(a)) engine = innodb DEFAULT CHARSET=utf8;
set foreign_key_checks=1;
drop table t1;
# test that invalid datatype conversions with ALTER are not allowed
set foreign_key_checks=0;
create table t2 (a varchar(10), foreign key (a) references t1(a)) engine = innodb;
create table t1(a varchar(10) primary key) engine = innodb;
-- error 1025,1025
alter table t1 modify column a int;
set foreign_key_checks=1;
drop table t2,t1;
# test that charset conversions with ALTER are allowed when f_k_c is 0
set foreign_key_checks=0;
create table t2 (a varchar(10), foreign key (a) references t1(a)) engine = innodb DEFAULT CHARSET=latin1;
create table t1(a varchar(10) primary key) engine = innodb DEFAULT CHARSET=latin1;
alter table t1 convert to character set utf8;
set foreign_key_checks=1;
drop table t2,t1;
# test that RENAME does not allow invalid charsets when f_k_c is 0
set foreign_key_checks=0;
create table t2 (a varchar(10), foreign key (a) references t1(a)) engine = innodb DEFAULT CHARSET=latin1;
create table t3(a varchar(10) primary key) engine = innodb DEFAULT CHARSET=utf8;
-- error 1025
rename table t3 to t1;
set foreign_key_checks=1;
drop table t2,t3;
#
# Test that we can create a large (>1K) key
#
......
sql/ha_innodb.cc
View file @ 0fd1e1af
......@@ -2519,6 +2519,12 @@ ha_innobase::open(
DBUG_RETURN(0);
}
uint
ha_innobase::max_supported_key_part_length() const
{
return(DICT_MAX_INDEX_COL_LEN - 1);
}
/**********************************************************************
Closes a handle to an InnoDB table. */
......@@ -4675,6 +4681,9 @@ create_index(
0, prefix_len);
}
/* Even though we've defined max_supported_key_part_length, we
still do our own checking using field_lengths to be absolutely
sure we don't create too long indexes. */
error = row_create_index_for_mysql(index, trx, field_lengths);
error = convert_error_code_to_mysql(error, NULL);
......
sql/ha_innodb.h
View file @ 0fd1e1af
......@@ -110,7 +110,7 @@ class ha_innobase: public handler
but currently MySQL does not work with keys
whose size is > MAX_KEY_LENGTH */
uint max_supported_key_length() const { return 3500; }
uint max_supported_key_part_length() const { return 3500; }
uint max_supported_key_part_length() const;
const key_map *keys_to_use_for_scanning() { return &key_map_full; }
bool has_transactions() { return 1;}
......
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