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sql_select.cc ft-optimization: AND, GT/LT/GE/LE

sql_select.cc	EXPLAIN fulltext
Makefile.am	CLEANFILES corrected
sql_show.cc	SHOW CREATE now displays FULLTEXT keys properly


sql/sql_show.cc:
  SHOW CREATE now displays FULLTEXT keys properly
myisam/Makefile.am:
  CLEANFILES corrected
sql/sql_select.cc:
  ft-optimization: AND, GT/LT/GE/LE
This commit is contained in:
unknown
2000-08-29 19:44:22 +04:00
parent 3776743da2
commit 2b46ccceae
3 changed files with 83 additions and 42 deletions

View File

@@ -1,15 +1,15 @@
/* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
@@ -488,7 +488,7 @@ mysqld_show_create(THD *thd, TABLE_LIST *table_list)
if (send_fields(thd,field_list,1))
DBUG_RETURN(1);
String *packet = &thd->packet;
for(;table; table = table->next)
{
@@ -510,7 +510,7 @@ mysqld_show_create(THD *thd, TABLE_LIST *table_list)
// into fewer, so we cannot use net_store_data() anymore,
// and do it ourselves
char* p = (char*)packet->ptr() + store_len_offset;
*p++ = (char) 253; // The client the length is stored using 3-bytes
*p++ = (char) 253; // The client the length is stored using 3-bytes
int3store(p, create_len);
// now we are in business :-)
@@ -649,10 +649,10 @@ mysqld_dump_create_info(THD *thd, TABLE *table, int fd)
DBUG_PRINT("enter",("table: %s",table->real_name));
String* packet = &thd->packet;
packet->length(0);
if(store_create_info(thd,table,packet))
DBUG_RETURN(-1);
if(fd < 0)
{
if(my_net_write(&thd->net, (char*)packet->ptr(), packet->length()))
@@ -661,14 +661,14 @@ mysqld_dump_create_info(THD *thd, TABLE *table, int fd)
}
else
{
if(my_write(fd, (const byte*) packet->ptr(), packet->length(),
if(my_write(fd, (const byte*) packet->ptr(), packet->length(),
MYF(MY_WME)))
DBUG_RETURN(-1);
}
DBUG_RETURN(0);
}
static int
store_create_info(THD *thd, TABLE *table, String* packet)
{
@@ -676,37 +676,37 @@ store_create_info(THD *thd, TABLE *table, String* packet)
DBUG_PRINT("enter",("table: %s",table->real_name));
restore_record(table,2); // Get empty record
List<Item> field_list;
char tmp[MAX_FIELD_WIDTH];
String type(tmp, sizeof(tmp));
packet->append("create table ", 13);
packet->append(table->real_name);
packet->append('(');
Field **ptr,*field;
for (ptr=table->field ; (field= *ptr); ptr++)
{
if(ptr != table->field)
packet->append(',');
uint flags = field->flags;
packet->append(field->field_name);
packet->append(' ');
// check for surprises from the previous call to Field::sql_type()
if(type.ptr() != tmp)
type.set(tmp, sizeof(tmp));
field->sql_type(type);
packet->append(type.ptr(),type.length());
bool null_default_value = (field->type() == FIELD_TYPE_TIMESTAMP ||
field->unireg_check == Field::NEXT_NUMBER);
bool has_default = (field->type() != FIELD_TYPE_BLOB);
if((flags & NOT_NULL_FLAG) && !null_default_value)
packet->append(" not null", 9);
if(has_default)
{
@@ -724,51 +724,54 @@ store_create_info(THD *thd, TABLE *table, String* packet)
else
packet->append(tmp,0);
}
if (field->unireg_check == Field::NEXT_NUMBER)
packet->append(" auto_increment", 15 );
}
KEY *key_info=table->key_info;
table->file->info(HA_STATUS_VARIABLE | HA_STATUS_NO_LOCK | HA_STATUS_TIME);
uint primary_key = table->primary_key;
for (uint i=0 ; i < table->keys ; i++,key_info++)
{
packet->append(',');
KEY_PART_INFO *key_part= key_info->key_part;
if(i == primary_key)
packet->append("primary", 7);
else if(key_info->flags & HA_NOSAME)
packet->append("unique", 6);
else if(key_info->flags & HA_FULLTEXT)
packet->append("fulltext", 8);
packet->append(" key ", 5);
if(i != primary_key)
packet->append(key_info->name);
packet->append('(');
for (uint j=0 ; j < key_info->key_parts ; j++,key_part++)
{
if(j)
packet->append(',');
if(key_part->field)
packet->append(key_part->field->field_name);
KEY *key=table->key_info+i;
if (!key_part->field ||
key_part->length !=
table->field[key_part->fieldnr-1]->key_length())
(key_part->length !=
table->field[key_part->fieldnr-1]->key_length() &&
!(key_info->flags & HA_FULLTEXT)))
{
char buff[64];
buff[0] = '(';
char* end=int10_to_str((long) key_part->length, buff + 1,10);
*end++ = ')';
packet->append(buff,(uint) (end-buff));
packet->append(buff,(uint) (end-buff));
}
}
@@ -776,13 +779,13 @@ store_create_info(THD *thd, TABLE *table, String* packet)
}
packet->append(')');
handler *file = table->file;
packet->append(" type=", 6);
packet->append(file->table_type());
char buff[128];
char* p;
if(table->min_rows)
{
packet->append(" min_rows=");
@@ -796,7 +799,7 @@ store_create_info(THD *thd, TABLE *table, String* packet)
p = longlong10_to_str(table->max_rows, buff, 10);
packet->append(buff, (uint) (p - buff));
}
if (table->db_create_options & HA_OPTION_PACK_KEYS)
packet->append(" pack_keys=1", 12);
if (table->db_create_options & HA_OPTION_NO_PACK_KEYS)
@@ -806,7 +809,7 @@ store_create_info(THD *thd, TABLE *table, String* packet)
if (table->db_create_options & HA_OPTION_DELAY_KEY_WRITE)
packet->append(" delay_key_write=1",18);
DBUG_RETURN(0);
}