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Merge with 4.1

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BitKeeper/etc/logging_ok:
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BitKeeper/deleted/.del-errmsg.txt~f96b7055cac394e:
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libmysql/libmysql.c:
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myisam/mi_key.c:
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mysql-test/r/alter_table.result:
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mysql-test/r/auto_increment.result:
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mysql-test/r/innodb.result:
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mysql-test/r/select.result:
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mysql-test/t/alter_table.test:
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mysql-test/t/innodb.test:
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mysql-test/t/select.test:
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sql/handler.h:
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sql/item_func.cc:
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sql/sql_yacc.yy:
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mysql-test/r/insert_update.result:
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strings/ctype-ucs2.c:
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sql/sql_table.cc:
  merge
sql/unireg.cc:
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This commit is contained in:
unknown
2005-05-14 18:31:22 +03:00
parent bb2b812061 78f2e7b53d
commit f8f714a2fb
25 changed files with 442 additions and 254 deletions
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31
sql/sql_table.cc
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@ -641,8 +641,7 @@ static int mysql_prepare_table(THD *thd, HA_CREATE_INFO *create_info,
const char *key_name;
create_field *sql_field,*dup_field;
uint field,null_fields,blob_columns;
uint max_key_length= file->max_key_length();
ulong pos;
ulong record_offset= 0;
KEY *key_info;
KEY_PART_INFO *key_part_info;
int timestamps= 0, timestamps_with_niladic= 0;
@ -836,10 +835,10 @@ static int mysql_prepare_table(THD *thd, HA_CREATE_INFO *create_info,
(*db_options)|= HA_OPTION_PACK_RECORD;
it2.rewind();
}
/* If fixed row records, we need one bit to check for deleted rows */
if (!((*db_options) & HA_OPTION_PACK_RECORD))
null_fields++;
pos= (null_fields + total_uneven_bit_length + 7) / 8;
/* record_offset will be increased with 'length-of-null-bits' later */
record_offset= 0;
null_fields+= total_uneven_bit_length;
it.rewind();
while ((sql_field=it++))
@ -852,10 +851,10 @@ static int mysql_prepare_table(THD *thd, HA_CREATE_INFO *create_info,
DBUG_RETURN(-1);
if (sql_field->sql_type == MYSQL_TYPE_VARCHAR)
create_info->varchar= 1;
sql_field->offset= pos;
sql_field->offset= record_offset;
if (MTYP_TYPENR(sql_field->unireg_check) == Field::NEXT_NUMBER)
auto_increment++;
pos+=sql_field->pack_length;
record_offset+= sql_field->pack_length;
}
if (timestamps_with_niladic > 1)
{
@ -1159,6 +1158,7 @@ static int mysql_prepare_table(THD *thd, HA_CREATE_INFO *create_info,
/* Implicitly set primary key fields to NOT NULL for ISO conf. */
sql_field->flags|= NOT_NULL_FLAG;
sql_field->pack_flag&= ~FIELDFLAG_MAYBE_NULL;
null_fields--;
}
else
key_info->flags|= HA_NULL_PART_KEY;
@ -1317,6 +1317,7 @@ static int mysql_prepare_table(THD *thd, HA_CREATE_INFO *create_info,
/* Sort keys in optimized order */
qsort((gptr) *key_info_buffer, *key_count, sizeof(KEY),
(qsort_cmp) sort_keys);
create_info->null_bits= null_fields;
DBUG_RETURN(0);
}
@ -3417,12 +3418,14 @@ bool mysql_alter_table(THD *thd,char *new_db, char *new_name,
/*
better have a negative test here, instead of positive, like
alter_info->flags & ALTER_ADD_COLUMN|ALTER_ADD_INDEX|...
alter_info->flags & ALTER_ADD_COLUMN|ALTER_ADD_INDEX|...
so that ALTER TABLE won't break when somebody will add new flag
*/
need_copy_table=(alter_info->flags & ~(ALTER_CHANGE_COLUMN_DEFAULT|ALTER_OPTIONS) ||
create_info->used_fields & ~(HA_CREATE_USED_COMMENT|HA_CREATE_USED_PASSWORD) ||
table->s->tmp_table);
need_copy_table= (alter_info->flags &
~(ALTER_CHANGE_COLUMN_DEFAULT|ALTER_OPTIONS) ||
(create_info->used_fields &
~(HA_CREATE_USED_COMMENT|HA_CREATE_USED_PASSWORD)) ||
table->s->tmp_table);
create_info->frm_only= !need_copy_table;
/*
@ -3827,8 +3830,8 @@ copy_data_between_tables(TABLE *from,TABLE *to,
!(sortorder=make_unireg_sortorder(order, &length)) ||
(from->sort.found_records = filesort(thd, from, sortorder, length,
(SQL_SELECT *) 0, HA_POS_ERROR,
&examined_rows))
== HA_POS_ERROR)
&examined_rows)) ==
HA_POS_ERROR)
goto err;
};