forbid REPLACE/ODKU on tables containing WITHOUT OVERLAPS

Author: FooBarrior

mysql-test/suite/period/r/overlaps.result

@@ -204,4 +204,26 @@ ERROR 23000: Duplicate entry 'test' for key 'b'
 insert into t values (1, '2020-03-05', '2020-03-10', 'test2');
 insert into t values (1, '2020-03-03', '2020-03-10', 'test3');
 ERROR 23000: Duplicate entry '1-2020-03-10-2020-03-03' for key 'x'
+create or replace table t (x int, s date, e date, period for apptime(s,e),
+unique(x, apptime without overlaps));
+replace into t values (1, '2020-03-03', '2020-03-10');
+ERROR 42000: This version of MariaDB doesn't yet support 'WITHOUT OVERLAPS'
+insert into t values (1, '2020-03-03', '2020-03-10')
+on duplicate key update x = 2;
+ERROR 42000: This version of MariaDB doesn't yet support 'WITHOUT OVERLAPS'
+select * from t;
+x	s	e
+select * into outfile 'tmp_t.txt' from t;
+load data infile 'tmp_t.txt' into table t;
+load data infile 'tmp_t.txt' replace into table t;
+ERROR 42000: This version of MariaDB doesn't yet support 'WITHOUT OVERLAPS'
+insert into t values (1, '2020-03-01', '2020-03-05');
+select * into outfile 'tmp_t.txt' from t;
+load data infile 'tmp_t.txt' into table t;
+ERROR 23000: Duplicate entry '1-2020-03-05-2020-03-01' for key 'x'
+load data infile 'tmp_t.txt' ignore into table t;
+Warnings:
+Warning	1062	Duplicate entry '1-2020-03-05-2020-03-01' for key 'x'
+load data infile 'tmp_t.txt' replace into table t;
+ERROR 42000: This version of MariaDB doesn't yet support 'WITHOUT OVERLAPS'
 create or replace database test;

mysql-test/suite/period/t/overlaps.test

@@ -201,4 +201,32 @@ insert into t values (1, '2020-03-05', '2020-03-10', 'test2');
 --error ER_DUP_ENTRY
 insert into t values (1, '2020-03-03', '2020-03-10', 'test3');
 
+let $MYSQLD_DATADIR= `select @@datadir`;
+create or replace table t (x int, s date, e date, period for apptime(s,e),
+                           unique(x, apptime without overlaps));
+--error ER_NOT_SUPPORTED_YET
+replace into t values (1, '2020-03-03', '2020-03-10');
+--error ER_NOT_SUPPORTED_YET
+insert into t values (1, '2020-03-03', '2020-03-10')
+              on duplicate key update x = 2;
+
+select * from t;
+select * into outfile 'tmp_t.txt' from t;
+load data infile 'tmp_t.txt' into table t;
+--error ER_NOT_SUPPORTED_YET
+load data infile 'tmp_t.txt' replace into table t;
+remove_file $MYSQLD_DATADIR/test/tmp_t.txt;
+
+insert into t values (1, '2020-03-01', '2020-03-05');
+select * into outfile 'tmp_t.txt' from t;
+--error ER_DUP_ENTRY
+load data infile 'tmp_t.txt' into table t;
+
+load data infile 'tmp_t.txt' ignore into table t;
+
+--error ER_NOT_SUPPORTED_YET
+load data infile 'tmp_t.txt' replace into table t;
+
+remove_file $MYSQLD_DATADIR/test/tmp_t.txt;
+
 create or replace database test;

sql/sql_insert.cc

@@ -1410,6 +1410,33 @@ static bool check_view_insertability(THD * thd, TABLE_LIST *view)
 }
 
 
+/**
+  TODO remove when MDEV-17395 will be closed
+
+  Checks if REPLACE or ON DUPLICATE UPDATE was executed on table containing
+  WITHOUT OVERLAPS key.
+
+  @return
+  0 if no error
+  ER_NOT_SUPPORTED_YET if the above condidion was met
+ */
+int check_duplic_insert_without_overlaps(THD *thd, TABLE *table,
+                                         enum_duplicates duplic)
+{
+  if (duplic == DUP_REPLACE || duplic == DUP_UPDATE)
+  {
+    for (uint k = 0; k < table->s->keys; k++)
+    {
+      if (table->key_info[k].without_overlaps)
+      {
+        my_error(ER_NOT_SUPPORTED_YET, MYF(0), "WITHOUT OVERLAPS");
+        return ER_NOT_SUPPORTED_YET;
+      }
+    }
+  }
+  return 0;
+}
+
 /*
   Check if table can be updated
 
@@ -1607,6 +1634,9 @@ bool mysql_prepare_insert(THD *thd, TABLE_LIST *table_list,
   if (!table)
     table= table_list->table;
 
+  if (check_duplic_insert_without_overlaps(thd, table, duplic) != 0)
+    DBUG_RETURN(true);
+
   if (table->versioned(VERS_TIMESTAMP) && duplic == DUP_REPLACE)
   {
     // Additional memory may be required to create historical items.

sql/sql_insert.h

@@ -38,6 +38,8 @@ void upgrade_lock_type_for_insert(THD *thd, thr_lock_type *lock_type,
 int check_that_all_fields_are_given_values(THD *thd, TABLE *entry,
                                            TABLE_LIST *table_list);
 int vers_insert_history_row(TABLE *table);
+int check_duplic_insert_without_overlaps(THD *thd, TABLE *table,
+                                         enum_duplicates duplic);
 int write_record(THD *thd, TABLE *table, COPY_INFO *info,
                  select_result *returning= NULL);
 void kill_delayed_threads(void);

sql/sql_load.cc

@@ -441,6 +441,9 @@ int mysql_load(THD *thd, const sql_exchange *ex, TABLE_LIST *table_list,
   is_concurrent= (table_list->lock_type == TL_WRITE_CONCURRENT_INSERT);
 #endif
 
+  if (check_duplic_insert_without_overlaps(thd, table, handle_duplicates) != 0)
+    DBUG_RETURN(true);
+
   if (!fields_vars.elements)
   {
     Field_iterator_table_ref field_iterator;