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Don't automaticly generate a new key for a foreign key constraint if there is already a usable key.

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Prefer not automatic keys before automatic keys. If there is two conf


BitKeeper/etc/ignore:
  added *.d
include/my_base.h:
  Added flag for automaticly generated key
mysql-test/r/constraints.result:
  Update tests after bug fix
mysql-test/r/create.result:
  Update tests after bug fix
mysql-test/r/innodb.result:
  Added test of automatic creation of foreign keys
mysql-test/t/innodb.test:
  Added test of automatic creation of foreign keys
mysql-test/t/key_cache.test:
  Portability fixes (64 BIT os)
sql/sql_acl.cc:
  Indentation fixes
sql/sql_class.cc:
  Fix key comparison to handle prefix and optionally key segments in different order.
sql/sql_class.h:
  Added flag for automaticly generated keys
sql/sql_parse.cc:
  Added flag for automaticly generated keys
sql/sql_table.cc:
  Don't automaticly generate a new key for a foreign key constraint if there is already a usable key.
  Prefer not automatic keys before automatic keys. If there is two conflicting automatic keys, prefer the longer one.
sql/sql_yacc.yy:
  Added flag for automaticly generated keys
strings/strings-x86.s:
  Portability fix.
This commit is contained in:
unknown
2004-05-12 00:29:52 +03:00
parent 7b4cbde8ed
commit d3fcd8d4c0
14 changed files with 298 additions and 49 deletions
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4
sql/sql_parse.cc
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@@ -3958,13 +3958,13 @@ bool add_field_to_list(THD *thd, char *field_name, enum_field_types type,
{
lex->col_list.push_back(new key_part_spec(field_name,0));
lex->key_list.push_back(new Key(Key::PRIMARY, NullS, HA_KEY_ALG_UNDEF,
lex->col_list));
0, lex->col_list));
lex->col_list.empty();
}
if (type_modifier & (UNIQUE_FLAG | UNIQUE_KEY_FLAG))
{
lex->col_list.push_back(new key_part_spec(field_name,0));
lex->key_list.push_back(new Key(Key::UNIQUE, NullS, HA_KEY_ALG_UNDEF,
lex->key_list.push_back(new Key(Key::UNIQUE, NullS, HA_KEY_ALG_UNDEF, 0,
lex->col_list));
lex->col_list.empty();
}