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MDEV-10139 Support for SEQUENCE objects

Browse Source 
- SETVAL(sequence_name, next_value, is_used, round)
- ALTER SEQUENCE, including RESTART WITH

Other things:
- Added handler::extra() option HA_EXTRA_PREPARE_FOR_ALTER_TABLE to signal
  ha_sequence() that it should allow write_row statments.
- ALTER ONLINE TABLE now works with SEQUENCE:s
This commit is contained in:
Monty
2017-05-08 02:44:55 +03:00
parent 1e04ad284c
commit 71fa413c16
31 changed files with 1399 additions and 85 deletions
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7
sql/sql_parse.cc
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@@ -454,6 +454,7 @@ static bool stmt_causes_implicit_commit(THD *thd, uint mask)
(thd->variables.option_bits & OPTION_GTID_BEGIN));
break;
case SQLCOM_ALTER_TABLE:
case SQLCOM_ALTER_SEQUENCE:
/* If ALTER TABLE of non-temporary table, do implicit commit */
skip= (lex->tmp_table());
break;
@@ -555,6 +556,8 @@ void init_update_queries(void)
sql_command_flags[SQLCOM_ALTER_TABLE]= CF_CHANGES_DATA | CF_WRITE_LOGS_COMMAND |
CF_AUTO_COMMIT_TRANS | CF_REPORT_PROGRESS |
CF_INSERTS_DATA;
sql_command_flags[SQLCOM_ALTER_SEQUENCE]= CF_CHANGES_DATA | CF_WRITE_LOGS_COMMAND |
CF_AUTO_COMMIT_TRANS;
sql_command_flags[SQLCOM_TRUNCATE]= CF_CHANGES_DATA | CF_WRITE_LOGS_COMMAND |
CF_AUTO_COMMIT_TRANS;
sql_command_flags[SQLCOM_DROP_TABLE]= CF_CHANGES_DATA | CF_AUTO_COMMIT_TRANS | CF_SCHEMA_CHANGE;
@@ -6213,9 +6216,11 @@ end_with_restore_list:
case SQLCOM_REPAIR:
case SQLCOM_TRUNCATE:
case SQLCOM_ALTER_TABLE:
thd->query_plan_flags|= QPLAN_ADMIN;
DBUG_ASSERT(first_table == all_tables && first_table != 0);
/* fall through */
case SQLCOM_ALTER_SEQUENCE:
thd->query_plan_flags|= QPLAN_ADMIN;
/* fall through */
case SQLCOM_SIGNAL:
case SQLCOM_RESIGNAL:
case SQLCOM_GET_DIAGNOSTICS: