database/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2025-07-29 05:21:33 +03:00
Code Activity

Timestamp-based versioning for InnoDB [closes #209]

Browse Source 
* Removed integer_fields check
* Reworked Vers_parse_info::check_sys_fields()
* Misc renames
* versioned as vers_sys_type_t

* Removed versioned_by_sql(), versioned_by_engine()

versioned() works as before;
versioned(VERS_TIMESTAMP) is versioned_by_sql();
versioned(VERS_TRX_ID) is versioned_by_engine().

* create_tmp_table() fix
* Foreign constraints for timestamp-based
* Range auto-specifier fix
* SQL: 1-row partition rotation fix [fixes #260]
* Fix 'drop system versioning, algorithm=inplace'
This commit is contained in:
Aleksey Midenkov
2017-12-18 19:03:51 +03:00
committed by GitHub
parent d5e37621cf
commit b55a149194
73 changed files with 1178 additions and 836 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
sql/sql_delete.cc
View File

@ -253,7 +253,7 @@ static bool record_should_be_deleted(THD *thd, TABLE *table, SQL_SELECT *sel,
inline
int TABLE::delete_row()
{
if (!versioned_by_sql() || !vers_end_field()->is_max())
if (!versioned(VERS_TIMESTAMP) || !vers_end_field()->is_max())
return file->ha_delete_row(record[0]);
store_record(this, record[1]);
@ -328,8 +328,8 @@ bool mysql_delete(THD *thd, TABLE_LIST *table_list, COND *conds,
DBUG_RETURN(TRUE);
// trx_sees() in InnoDB reads sys_trx_start
if (!table->versioned_by_sql()) {
DBUG_ASSERT(table_list->vers_conditions.type == FOR_SYSTEM_TIME_BEFORE);
if (!table->versioned(VERS_TIMESTAMP)) {
DBUG_ASSERT(table_list->vers_conditions.type == SYSTEM_TIME_BEFORE);
bitmap_set_bit(table->read_set, table->vers_end_field()->field_index);
}
}
@ -429,7 +429,7 @@ bool mysql_delete(THD *thd, TABLE_LIST *table_list, COND *conds,
if (!with_select && !using_limit && const_cond_result &&
(!thd->is_current_stmt_binlog_format_row() &&
!has_triggers)
&& !table->versioned_by_sql())
&& !table->versioned(VERS_TIMESTAMP))
{
/* Update the table->file->stats.records number */
table->file->info(HA_STATUS_VARIABLE | HA_STATUS_NO_LOCK);
@ -837,7 +837,7 @@ cleanup:
errcode= query_error_code(thd, killed_status == NOT_KILLED);
ScopedStatementReplication scoped_stmt_rpl(
table->versioned_by_engine() ? thd : NULL);
table->versioned(VERS_TRX_ID) ? thd : NULL);
/*
[binlog]: If 'handler::delete_all_rows()' was called and the
storage engine does not inject the rows itself, we replicate