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Bug#12817 SHOW STATUS now blob fields

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This fix is cancellation of ChangeSet
   1.2329 05/07/12 08:35:30 reggie@linux.site +8 -0
   Bug 7142  Show Fields from fails using Borland's dbExpress interface
   The reason is we can't fix bug#7142 without
   breaking of existing applications/APIs that worked fine with earlier 4.1
   bug 7142 is fixed in 5.0
This commit is contained in:
gluh@eagle.intranet.mysql.r18.ru 2005-09-09 13:22:16 +05:00
parent 819db2471c
commit 99bc9607e1
8 changed files with 26 additions and 65 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
mysql-test/r/ps_1general.result
View File

@ -470,12 +470,12 @@ def id 8 3 1 N 32929 0 63
def select_type 253 19 6 N 1 31 8
def table 253 64 2 Y 0 31 8
def type 253 10 3 Y 0 31 8
def possible_keys 252 4096 0 Y 0 31 8
def possible_keys 253 4096 0 Y 0 31 8
def key 253 64 0 Y 0 31 8
def key_len 8 3 0 Y 32928 0 63
def ref 252 1024 0 Y 0 31 8
def ref 253 1024 0 Y 0 31 8
def rows 8 10 1 Y 32928 0 63
def Extra 252 255 14 N 1 31 8
def Extra 253 255 14 N 1 31 8
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 4 Using filesort
SET @arg00=1 ;
@ -486,12 +486,12 @@ def id 8 3 1 N 32929 0 63
def select_type 253 19 6 N 1 31 8
def table 253 64 2 Y 0 31 8
def type 253 10 5 Y 0 31 8
def possible_keys 252 4096 7 Y 0 31 8
def possible_keys 253 4096 7 Y 0 31 8
def key 253 64 7 Y 0 31 8
def key_len 8 3 1 Y 32928 0 63
def ref 252 1024 0 Y 0 31 8
def ref 253 1024 0 Y 0 31 8
def rows 8 10 1 Y 32928 0 63
def Extra 252 255 27 N 1 31 8
def Extra 253 255 27 N 1 31 8
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range PRIMARY PRIMARY 4 NULL 3 Using where; Using filesort
drop table if exists t2;

6
mysql-test/r/ps_2myisam.result
View File

@ -1153,12 +1153,12 @@ def id 8 3 1 N 32929 0 63
def select_type 253 19 6 N 1 31 8
def table 253 64 2 Y 0 31 8
def type 253 10 3 Y 0 31 8
def possible_keys 252 4096 0 Y 0 31 8
def possible_keys 253 4096 0 Y 0 31 8
def key 253 64 0 Y 0 31 8
def key_len 8 3 0 Y 32928 0 63
def ref 252 1024 0 Y 0 31 8
def ref 253 1024 0 Y 0 31 8
def rows 8 10 1 Y 32928 0 63
def Extra 252 255 0 N 1 31 8
def Extra 253 255 0 N 1 31 8
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t9 ALL NULL NULL NULL NULL 2
drop table if exists t2 ;

6
mysql-test/r/ps_3innodb.result
View File

@ -1153,12 +1153,12 @@ def id 8 3 1 N 32929 0 63
def select_type 253 19 6 N 1 31 8
def table 253 64 2 Y 0 31 8
def type 253 10 3 Y 0 31 8
def possible_keys 252 4096 0 Y 0 31 8
def possible_keys 253 4096 0 Y 0 31 8
def key 253 64 0 Y 0 31 8
def key_len 8 3 0 Y 32928 0 63
def ref 252 1024 0 Y 0 31 8
def ref 253 1024 0 Y 0 31 8
def rows 8 10 1 Y 32928 0 63
def Extra 252 255 0 N 1 31 8
def Extra 253 255 0 N 1 31 8
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t9 ALL NULL NULL NULL NULL 2
test_sequence

6
mysql-test/r/ps_4heap.result
View File

@ -1154,12 +1154,12 @@ def id 8 3 1 N 32929 0 63
def select_type 253 19 6 N 1 31 8
def table 253 64 2 Y 0 31 8
def type 253 10 3 Y 0 31 8
def possible_keys 252 4096 0 Y 0 31 8
def possible_keys 253 4096 0 Y 0 31 8
def key 253 64 0 Y 0 31 8
def key_len 8 3 0 Y 32928 0 63
def ref 252 1024 0 Y 0 31 8
def ref 253 1024 0 Y 0 31 8
def rows 8 10 1 Y 32928 0 63
def Extra 252 255 0 N 1 31 8
def Extra 253 255 0 N 1 31 8
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t9 ALL NULL NULL NULL NULL 2
test_sequence

12
mysql-test/r/ps_5merge.result
View File

@ -1196,12 +1196,12 @@ def id 8 3 1 N 32929 0 63
def select_type 253 19 6 N 1 31 8
def table 253 64 2 Y 0 31 8
def type 253 10 3 Y 0 31 8
def possible_keys 252 4096 0 Y 0 31 8
def possible_keys 253 4096 0 Y 0 31 8
def key 253 64 0 Y 0 31 8
def key_len 8 3 0 Y 32928 0 63
def ref 252 1024 0 Y 0 31 8
def ref 253 1024 0 Y 0 31 8
def rows 8 10 1 Y 32928 0 63
def Extra 252 255 0 N 1 31 8
def Extra 253 255 0 N 1 31 8
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t9 ALL NULL NULL NULL NULL 2
test_sequence
@ -4210,12 +4210,12 @@ def id 8 3 1 N 32929 0 63
def select_type 253 19 6 N 1 31 8
def table 253 64 2 Y 0 31 8
def type 253 10 3 Y 0 31 8
def possible_keys 252 4096 0 Y 0 31 8
def possible_keys 253 4096 0 Y 0 31 8
def key 253 64 0 Y 0 31 8
def key_len 8 3 0 Y 32928 0 63
def ref 252 1024 0 Y 0 31 8
def ref 253 1024 0 Y 0 31 8
def rows 8 10 1 Y 32928 0 63
def Extra 252 255 0 N 1 31 8
def Extra 253 255 0 N 1 31 8
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t9 ALL NULL NULL NULL NULL 2
test_sequence

9
sql/item.cc
View File

@ -1973,14 +1973,7 @@ void Item::make_field(Send_field *tmp_field)
void Item_empty_string::make_field(Send_field *tmp_field)
{
enum_field_types type = FIELD_TYPE_VAR_STRING;
if (max_length >= 16777216)
type = FIELD_TYPE_LONG_BLOB;
else if (max_length >= 65536)
type = FIELD_TYPE_MEDIUM_BLOB;
else if (max_length >= 256)
type = FIELD_TYPE_BLOB;
init_make_field(tmp_field, type);
init_make_field(tmp_field,FIELD_TYPE_VAR_STRING);
}

34
sql/sql_show.cc
View File

@ -638,33 +638,6 @@ int mysqld_extend_show_tables(THD *thd,const char *db,const char *wild)
DBUG_RETURN(0);
}
/*
returns the length of the longest type on the given table.
This is used so that show fields will return the data using the proper
lengths instead of forcing columns such as type to always return with a
given length.
*/
uint get_longest_type_in_table(TABLE *table, const char *wild)
{
Field **ptr,*field;
char tmp[MAX_FIELD_WIDTH];
uint max_len= 0;
for (ptr=table->field; (field= *ptr); ptr++)
{
if (!wild || !wild[0] ||
!wild_case_compare(system_charset_info, field->field_name,wild))
{
String type(tmp,sizeof(tmp), system_charset_info);
field->sql_type(type);
max_len= max(max_len, type.length());
}
}
return max_len;
}
/***************************************************************************
** List all columns in a table_list->real_name
@ -694,14 +667,9 @@ mysqld_show_fields(THD *thd, TABLE_LIST *table_list,const char *wild,
#ifndef NO_EMBEDDED_ACCESS_CHECKS
(void) get_table_grant(thd, table_list);
#endif
/* we scan for the longest since long enum types can exceed 40 */
uint max_len = get_longest_type_in_table(table, wild);
List<Item> field_list;
field_list.push_back(new Item_empty_string("Field",NAME_LEN));
field_list.push_back(new Item_empty_string("Type",
max_len > 40 ? max_len : 40));
field_list.push_back(new Item_empty_string("Type", 40));
if (verbose)
field_list.push_back(new Item_empty_string("Collation",40));
field_list.push_back(new Item_empty_string("Null",1));

6
tests/mysql_client_test.c
View File

@ -7182,7 +7182,7 @@ static void test_explain_bug()
verify_prepare_field(result, 3, "type", "", MYSQL_TYPE_VAR_STRING,
"", "", "", 10, 0);
verify_prepare_field(result, 4, "possible_keys", "", MYSQL_TYPE_BLOB,
verify_prepare_field(result, 4, "possible_keys", "", MYSQL_TYPE_VAR_STRING,
"", "", "", NAME_LEN*64, 0);
verify_prepare_field(result, 5, "key", "", MYSQL_TYPE_VAR_STRING,
@ -7195,13 +7195,13 @@ static void test_explain_bug()
(mysql_get_server_version(mysql) <= 50000 ? 3 : 4096),
0);
verify_prepare_field(result, 7, "ref", "", MYSQL_TYPE_BLOB,
verify_prepare_field(result, 7, "ref", "", MYSQL_TYPE_VAR_STRING,
"", "", "", NAME_LEN*16, 0);
verify_prepare_field(result, 8, "rows", "", MYSQL_TYPE_LONGLONG,
"", "", "", 10, 0);
verify_prepare_field(result, 9, "Extra", "", MYSQL_TYPE_BLOB,
verify_prepare_field(result, 9, "Extra", "", MYSQL_TYPE_VAR_STRING,
"", "", "", 255, 0);
mysql_free_result(result);