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SQL: create..select revisited [closes #370]

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This commit is contained in:
Aleksey Midenkov
2017-12-12 21:30:49 +03:00
committed by GitHub
parent a0e137c4a9
commit 459f40a232
17 changed files with 619 additions and 346 deletions
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65
sql/handler.h
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@ -1735,18 +1735,33 @@ struct Vers_parse_info
start_end_t system_time;
start_end_t as_row;
void set_period_for_system_time(LString start, LString end)
void set_system_time(LString start, LString end)
{
system_time.start= start;
system_time.end= end;
}
private:
bool is_trx_start(const char *name) const;
bool is_trx_end(const char *name) const;
bool is_trx_start(const Create_field &f) const;
bool is_trx_end(const Create_field &f) const;
bool fix_implicit(THD *thd, Alter_info *alter_info, bool integer_fields);
protected:
friend struct Table_scope_and_contents_source_st;
void set_start(const LEX_CSTRING field_name)
{
as_row.start= field_name;
system_time.start= field_name;
}
void set_end(const LEX_CSTRING field_name)
{
as_row.end= field_name;
system_time.end= field_name;
}
bool is_start(const char *name) const;
bool is_end(const char *name) const;
bool is_start(const Create_field &f) const;
bool is_end(const Create_field &f) const;
bool fix_implicit(THD *thd, Alter_info *alter_info, bool integer_fields, int *added= NULL);
operator bool() const
{
return as_row.start || as_row.end || system_time.start || system_time.end;
}
bool need_check() const
{
return
@ -1754,40 +1769,30 @@ private:
unversioned_fields ||
with_system_versioning ||
without_system_versioning ||
system_time.start ||
system_time.end ||
as_row.start ||
as_row.end;
*this;
}
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,
HA_CREATE_INFO *create_info,
const char *table_name);
bool check_and_fix_alter(THD *thd, Alter_info *alter_info,
HA_CREATE_INFO *create_info, TABLE *table);
static const LString default_start;
static const LString default_end;
bool fix_alter_info(THD *thd, Alter_info *alter_info,
HA_CREATE_INFO *create_info, TABLE *table);
bool fix_create_like(Alter_info &alter_info, HA_CREATE_INFO &create_info,
TABLE_LIST &src_table, TABLE_LIST &table);
/** User has added 'WITH SYSTEM VERSIONING' to table definition */
/** Table definition has 'WITH/WITHOUT SYSTEM VERSIONING' */
bool with_system_versioning : 1;
/** Use has added 'WITHOUT SYSTEM VERSIONING' to ALTER TABLE */
bool without_system_versioning : 1;
/**
At least one field was specified 'WITH SYSTEM VERSIONING'. Useful for
error handling.
At least one field was specified 'WITH/WITHOUT SYSTEM VERSIONING'.
Useful for error handling.
*/
bool versioned_fields : 1;
/**
At least one field was specified 'WITHOUT SYSTEM VERSIONING'. Useful for
error handling.
*/
bool unversioned_fields : 1;
};
@ -1867,6 +1872,14 @@ struct Table_scope_and_contents_source_st
Vers_parse_info vers_info;
bool vers_fix_system_fields(THD *thd, Alter_info *alter_info,
const TABLE_LIST &create_table,
const TABLE_LIST *select_table= NULL,
List<Item> *items= NULL,
bool *versioned_write= NULL);
bool vers_native(THD *thd) const;
void init()
{
bzero(this, sizeof(*this));