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MDEV-20480 Obsolete internal parser for FK in InnoDB

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Currently InnoDB uses internal parser for adding foreign keys. Remove
internal parser and use data parsed by SQL parser (sql_yacc) for
adding foreign keys.

- create_table_info_t::create_foreign_keys() replacement for
  dict_create_foreign_constraints_low();
- Pass constraint name via Foreign_key object.

Temporary until MDEV-20865:

- Pass alter_info as part of create_info.
This commit is contained in:
Aleksey Midenkov
2019-11-20 13:18:31 +03:00
parent 20b474be5b
commit 5130f5206c
19 changed files with 826 additions and 1402 deletions
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3
sql/sql_class.h
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@ -393,12 +393,14 @@ class Foreign_key: public Key {
public:
enum fk_match_opt { FK_MATCH_UNDEF, FK_MATCH_FULL,
FK_MATCH_PARTIAL, FK_MATCH_SIMPLE};
LEX_CSTRING constraint_name;
LEX_CSTRING ref_db;
LEX_CSTRING ref_table;
List<Key_part_spec> ref_columns;
enum enum_fk_option delete_opt, update_opt;
enum fk_match_opt match_opt;
Foreign_key(const LEX_CSTRING *name_arg, List<Key_part_spec> *cols,
const LEX_CSTRING *constraint_name_arg,
const LEX_CSTRING *ref_db_arg, const LEX_CSTRING *ref_table_arg,
List<Key_part_spec> *ref_cols,
enum_fk_option delete_opt_arg, enum_fk_option update_opt_arg,
@ -406,6 +408,7 @@ public:
DDL_options ddl_options)
:Key(FOREIGN_KEY, name_arg, &default_key_create_info, 0, cols, NULL,
ddl_options),
constraint_name(*constraint_name_arg),
ref_db(*ref_db_arg), ref_table(*ref_table_arg), ref_columns(*ref_cols),
delete_opt(delete_opt_arg), update_opt(update_opt_arg),
match_opt(match_opt_arg)