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Merge with global tree

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myisam/mi_key.c:
  Auto merged
myisam/mi_open.c:
  Auto merged
mysql-test/r/information_schema.result:
  Auto merged
mysql-test/r/ps_1general.result:
  Auto merged
mysys/my_handler.c:
  Auto merged
sql/field.cc:
  Auto merged
sql/field.h:
  Auto merged
sql/field_conv.cc:
  Auto merged
sql/ha_myisam.cc:
  Auto merged
sql/sql_parse.cc:
  Auto merged
sql/sql_select.cc:
  Auto merged
sql/sql_show.cc:
  Auto merged
sql/sql_table.cc:
  Auto merged
include/my_base.h:
  Merge
This commit is contained in:
unknown
2004-12-18 06:05:16 +02:00
parent 491baa972a 8eaef91fff
commit e8b60b1612
57 changed files with 1418 additions and 473 deletions
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63
sql/sql_select.cc
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@ -235,9 +235,7 @@ bool handle_select(THD *thd, LEX *lex, select_result *result)
res|= thd->net.report_error;
if (unlikely(res))
{
/*
If we have real error reported erly then this will be ignored
*/
/* If we had a another error reported earlier then this will be ignored */
result->send_error(ER_UNKNOWN_ERROR, ER(ER_UNKNOWN_ERROR));
result->abort();
}
@ -4873,7 +4871,7 @@ static bool create_ref_for_key(JOIN *join, JOIN_TAB *j, KEYUSE *org_keyuse,
&keyinfo->key_part[i],
(char*) key_buff,maybe_null);
/*
Remeber if we are going to use REF_OR_NULL
Remember if we are going to use REF_OR_NULL
But only if field _really_ can be null i.e. we force JT_REF
instead of JT_REF_OR_NULL in case if field can't be null
*/
@ -7538,7 +7536,7 @@ static Field* create_tmp_field_from_field(THD *thd, Field* org_field,
{
Field *new_field;
if (convert_blob_length && org_field->flags & BLOB_FLAG)
if (convert_blob_length && (org_field->flags & BLOB_FLAG))
new_field= new Field_varstring(convert_blob_length,
org_field->maybe_null(),
org_field->field_name, table,
@ -7806,7 +7804,7 @@ create_tmp_table(THD *thd,TMP_TABLE_PARAM *param,List<Item> &fields,
else for (ORDER *tmp=group ; tmp ; tmp=tmp->next)
{
(*tmp->item)->marker=4; // Store null in key
if ((*tmp->item)->max_length >= MAX_CHAR_WIDTH)
if ((*tmp->item)->max_length >= CONVERT_IF_BIGGER_TO_BLOB)
using_unique_constraint=1;
}
if (param->group_length >= MAX_BLOB_WIDTH)
@ -8151,16 +8149,17 @@ create_tmp_table(THD *thd,TMP_TABLE_PARAM *param,List<Item> &fields,
key_part_info->null_bit=0;
key_part_info->field= field;
key_part_info->offset= field->offset();
key_part_info->length= (uint16) field->pack_length();
key_part_info->length= (uint16) field->key_length();
key_part_info->type= (uint8) field->key_type();
key_part_info->key_type =
((ha_base_keytype) key_part_info->type == HA_KEYTYPE_TEXT ||
(ha_base_keytype) key_part_info->type == HA_KEYTYPE_VARTEXT) ?
(ha_base_keytype) key_part_info->type == HA_KEYTYPE_VARTEXT1 ||
(ha_base_keytype) key_part_info->type == HA_KEYTYPE_VARTEXT2) ?
0 : FIELDFLAG_BINARY;
if (!using_unique_constraint)
{
group->buff=(char*) group_buff;
if (!(group->field=field->new_field(thd->mem_root,table)))
if (!(group->field=field->new_key_field(thd->mem_root,table)))
goto err; /* purecov: inspected */
if (maybe_null)
{
@ -8181,7 +8180,7 @@ create_tmp_table(THD *thd,TMP_TABLE_PARAM *param,List<Item> &fields,
group->field->move_field((char*) group_buff);
/* In GROUP BY 'a' and 'a ' are equal for VARCHAR fields */
key_part_info->key_part_flag|= HA_END_SPACE_ARE_EQUAL;
group_buff+= key_part_info->length;
group_buff+= group->field->pack_length();
}
keyinfo->key_length+= key_part_info->length;
}
@ -8245,7 +8244,8 @@ create_tmp_table(THD *thd,TMP_TABLE_PARAM *param,List<Item> &fields,
key_part_info->type= (uint8) (*reg_field)->key_type();
key_part_info->key_type =
((ha_base_keytype) key_part_info->type == HA_KEYTYPE_TEXT ||
(ha_base_keytype) key_part_info->type == HA_KEYTYPE_VARTEXT) ?
(ha_base_keytype) key_part_info->type == HA_KEYTYPE_VARTEXT1 ||
(ha_base_keytype) key_part_info->type == HA_KEYTYPE_VARTEXT2) ?
0 : FIELDFLAG_BINARY;
}
}
@ -8295,8 +8295,8 @@ static bool create_myisam_tmp_table(TABLE *table,TMP_TABLE_PARAM *param,
MI_KEYDEF keydef;
MI_UNIQUEDEF uniquedef;
KEY *keyinfo=param->keyinfo;
DBUG_ENTER("create_myisam_tmp_table");
if (table->keys)
{ // Get keys for ni_create
bool using_unique_constraint=0;
@ -8344,19 +8344,18 @@ static bool create_myisam_tmp_table(TABLE *table,TMP_TABLE_PARAM *param,
{
seg->type=
((keyinfo->key_part[i].key_type & FIELDFLAG_BINARY) ?
HA_KEYTYPE_VARBINARY : HA_KEYTYPE_VARTEXT);
seg->bit_start=seg->length - table->blob_ptr_size;
HA_KEYTYPE_VARBINARY2 : HA_KEYTYPE_VARTEXT2);
seg->bit_start= field->pack_length() - table->blob_ptr_size;
seg->flag= HA_BLOB_PART;
seg->length=0; // Whole blob in unique constraint
}
else
{
seg->type= ((keyinfo->key_part[i].key_type & FIELDFLAG_BINARY) ?
HA_KEYTYPE_BINARY : HA_KEYTYPE_TEXT);
seg->type= keyinfo->key_part[i].type;
/* Tell handler if it can do suffic space compression */
if (field->real_type() == MYSQL_TYPE_STRING &&
keyinfo->key_part[i].length > 4)
seg->flag|=HA_SPACE_PACK;
seg->flag|= HA_SPACE_PACK;
}
if (!(field->flags & NOT_NULL_FLAG))
{
@ -8365,7 +8364,7 @@ static bool create_myisam_tmp_table(TABLE *table,TMP_TABLE_PARAM *param,
/*
We are using a GROUP BY on something that contains NULL
In this case we have to tell MyISAM that two NULL should
on INSERT be compared as equal
on INSERT be regarded at the same value
*/
if (!using_unique_constraint)
keydef.flag|= HA_NULL_ARE_EQUAL;
@ -8649,21 +8648,19 @@ do_select(JOIN *join,List<Item> *fields,TABLE *table,Procedure *procedure)
}
if (table)
{
int tmp;
int tmp, new_errno= 0;
if ((tmp=table->file->extra(HA_EXTRA_NO_CACHE)))
{
DBUG_PRINT("error",("extra(HA_EXTRA_NO_CACHE) failed"));
my_errno= tmp;
error= -1;
new_errno= tmp;
}
if ((tmp=table->file->ha_index_or_rnd_end()))
{
DBUG_PRINT("error",("ha_index_or_rnd_end() failed"));
my_errno= tmp;
error= -1;
new_errno= tmp;
}
if (error == -1)
table->file->print_error(my_errno,MYF(0));
if (new_errno)
table->file->print_error(new_errno,MYF(0));
}
#ifndef DBUG_OFF
if (error)
@ -9835,13 +9832,19 @@ end_update(JOIN *join, JOIN_TAB *join_tab __attribute__((unused)),
DBUG_RETURN(0);
}
/* The null bits are already set */
/*
Copy null bits from group key to table
We can't copy all data as the key may have different format
as the row data (for example as with VARCHAR keys)
*/
KEY_PART_INFO *key_part;
for (group=table->group,key_part=table->key_info[0].key_part;
group ;
group=group->next,key_part++)
memcpy(table->record[0]+key_part->offset, group->buff, key_part->length);
{
if (key_part->null_bit)
memcpy(table->record[0]+key_part->offset, group->buff, 1);
}
init_tmptable_sum_functions(join->sum_funcs);
copy_funcs(join->tmp_table_param.items_to_copy);
if ((error=table->file->write_row(table->record[0])))
@ -11651,8 +11654,10 @@ calc_group_buffer(JOIN *join,ORDER *group)
{
if (field->type() == FIELD_TYPE_BLOB)
key_length+=MAX_BLOB_WIDTH; // Can't be used as a key
else if (field->type() == MYSQL_TYPE_VARCHAR)
key_length+= field->field_length + HA_KEY_BLOB_LENGTH;
else
key_length+=field->pack_length();
key_length+= field->pack_length();
}
else if ((*group->item)->result_type() == REAL_RESULT)
key_length+=sizeof(double);