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0.5: basic support for ALTER TABLE for InnoDB and other storage engines [closes #57]

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This commit is contained in:
kevg
2016-12-07 15:15:47 +03:00
committed by Aleksey Midenkov
parent 65e900ff04
commit a17b8f707f
11 changed files with 961 additions and 114 deletions
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31
sql/handler.h
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@ -1674,7 +1674,8 @@ struct Schema_specification_st
struct Vers_parse_info
{
Vers_parse_info() :
declared_system_versioning(false),
declared_with_system_versioning(false),
declared_without_system_versioning(false),
has_versioned_fields(false),
has_unversioned_fields(false)
{}
@ -1698,12 +1699,36 @@ struct Vers_parse_info
}
private:
bool is_trx_start(const char *name) const;
bool is_trx_end(const char *name) const;
bool fix_implicit(THD *thd, Alter_info *alter_info, bool integer_fields);
bool need_to_check() const
{
return
has_versioned_fields ||
has_unversioned_fields ||
declared_with_system_versioning ||
declared_without_system_versioning ||
period_for_system_time.start ||
period_for_system_time.end ||
generated_as_row.start ||
generated_as_row.end;
}
bool check_with_conditions(const char *table_name) const;
bool check_generated_type(const char *table_name, Alter_info *alter_info,
bool integer_fields) const;
public:
bool check_and_fix_implicit(THD *thd, Alter_info *alter_info, bool integer_fields, const char* table_name);
bool check_and_fix_implicit(THD *thd, Alter_info *alter_info,
bool integer_fields, const char *table_name);
bool check_and_fix_alter(THD *thd, Alter_info *alter_info,
HA_CREATE_INFO *create_info, TABLE_SHARE *share);
/** User has added 'WITH SYSTEM VERSIONING' to table definition */
bool declared_system_versioning : 1;
bool declared_with_system_versioning : 1;
/** Use has added 'WITHOUT SYSTEM VERSIONING' to ALTER TABLE */
bool declared_without_system_versioning : 1;
/**
At least one field was specified 'WITH SYSTEM VERSIONING'. Useful for