Merge branch '10.7' into bb-10.7-release

VERSION

 MYSQL_VERSION_MAJOR=10
 MYSQL_VERSION_MINOR=7
-MYSQL_VERSION_PATCH=7
+MYSQL_VERSION_PATCH=8
 SERVER_MATURITY=stable

mysql-test/suite/versioning/r/partition.result

@@ -150,7 +150,7 @@ partition by system_time limit 1;
 alter table t1 change x big int;
 create or replace table t1 (i int) engine myisam partition by hash(i) partitions 2;
 alter table t1 add partition (partition px history);
-ERROR HY000: Wrong partitioning type, expected type: `SYSTEM_TIME`
+ERROR HY000: Wrong partition type `SYSTEM_TIME` for partitioning by `HASH`
 ## INSERT, UPDATE, DELETE
 create or replace table t1 (x int)
 with system versioning
@@ -1105,7 +1105,7 @@ drop table t1;
 create table t1 (a int) with system versioning partition by system_time
 (partition p1 history, partition pn current);
 alter table t1 add partition (partition p2);
-ERROR HY000: Wrong partitioning type, expected type: `SYSTEM_TIME`
+ERROR HY000: Wrong partition type `HASH` for partitioning by `SYSTEM_TIME`
 # MDEV-17891 Assertion failures in select_insert::abort_result_set and
 #            mysql_load upon attempt to replace into a full table
 set @@max_heap_table_size= 1024*1024;
@@ -2151,6 +2151,15 @@ t1	CREATE TABLE `t1` (
  PARTITION `pn` VALUES LESS THAN MAXVALUE ENGINE = X)
 drop tables t1, tp1;
 #
+# MDEV-29841 Partition by system_time can be converted into table but not back
+#
+create or replace table t (a int) with system versioning
+partition by system_time limit 10 partitions 3;
+alter table t convert partition p0 to table tp;
+alter table t convert table tp to partition p0;
+ERROR HY000: CONVERT TABLE TO PARTITION can only be used on RANGE/LIST partitions
+drop tables t, tp;
+#
 # End of 10.7 tests
 #
 set global innodb_stats_persistent= @save_persistent;

mysql-test/suite/versioning/t/partition.test

@@ -1752,6 +1752,16 @@ show create table t1;
 drop tables t1, tp1;
 }
 
+--echo #
+--echo # MDEV-29841 Partition by system_time can be converted into table but not back
+--echo #
+create or replace table t (a int) with system versioning
+partition by system_time limit 10 partitions 3;
+alter table t convert partition p0 to table tp;
+--error ER_ONLY_ON_RANGE_LIST_PARTITION
+alter table t convert table tp to partition p0;
+drop tables t, tp;
+
 --echo #
 --echo # End of 10.7 tests
 --echo #

sql/partition_info.h

@@ -429,8 +429,13 @@ class partition_info : public DDL_LOG_STATE, public Sql_alloc
     return NULL;
   }
   uint next_part_no(uint new_parts) const;
+
+  int gen_part_type(THD *thd, String *str) const;
 };
 
+void part_type_error(THD *thd, partition_info *work_part_info,
+                     const char *part_type, partition_info *tab_part_info);
+
 uint32 get_next_partition_id_range(struct st_partition_iter* part_iter);
 bool check_partition_dirs(partition_info *part_info);
 

sql/share/errmsg-utf8.txt

@@ -9773,9 +9773,9 @@ ER_UNUSED_23
         spa "Nunca debería vd de ver esto"
 
 ER_PARTITION_WRONG_TYPE
-        chi "错误的分区类型，预期类型：%`s"
-        eng "Wrong partitioning type, expected type: %`s"
-        spa "Tipo de partición equivocada, tipo esperado: %`s"
+        chi "错误的分区类型，预期类型：%`s for partitioning by %`s"
+        eng "Wrong partition type %`s for partitioning by %`s"
+        spa "Tipo de partición equivocada, tipo esperado: %`s for partitioning by %`s"
 
 WARN_VERS_PART_FULL
         chi "版本化表%`s.%`s：partition%`s已满，添加更多历史分区(out of %s)"

sql/sql_lex.cc

@@ -9740,7 +9740,7 @@ bool LEX::part_values_current(THD *thd)
   {
     if (unlikely(part_info->part_type != VERSIONING_PARTITION))
     {
-      my_error(ER_PARTITION_WRONG_TYPE, MYF(0), "SYSTEM_TIME");
+      part_type_error(thd, NULL, "CURRENT", part_info);
       return true;
     }
   }
@@ -9767,7 +9767,7 @@ bool LEX::part_values_history(THD *thd)
   {
     if (unlikely(part_info->part_type != VERSIONING_PARTITION))
     {
-      my_error(ER_PARTITION_WRONG_TYPE, MYF(0), "SYSTEM_TIME");
+      part_type_error(thd, NULL, "HISTORY", part_info);
       return true;
     }
   }

sql/sql_partition.cc

@@ -2455,7 +2455,7 @@ static int add_partition_values(String *str, partition_info *part_info,
     @retval != 0 Failure
 */
 
-static int add_key_with_algorithm(String *str, partition_info *part_info)
+static int add_key_with_algorithm(String *str, const partition_info *part_info)
 {
   int err= 0;
   err+= str->append(STRING_WITH_LEN("KEY "));
@@ -2484,6 +2484,78 @@ char *generate_partition_syntax_for_frm(THD *thd, partition_info *part_info,
   return res;
 }
 
+
+/*
+  Generate the partition type syntax from the partition data structure.
+
+  @return Operation status.
+    @retval 0    Success
+    @retval > 0  Failure
+    @retval -1   Fatal error
+*/
+
+int partition_info::gen_part_type(THD *thd, String *str) const
+{
+  int err= 0;
+  switch (part_type)
+  {
+    case RANGE_PARTITION:
+      err+= str->append(STRING_WITH_LEN("RANGE "));
+      break;
+    case LIST_PARTITION:
+      err+= str->append(STRING_WITH_LEN("LIST "));
+      break;
+    case HASH_PARTITION:
+      if (linear_hash_ind)
+        err+= str->append(STRING_WITH_LEN("LINEAR "));
+      if (list_of_part_fields)
+      {
+        err+= add_key_with_algorithm(str, this);
+        err+= add_part_field_list(thd, str, part_field_list);
+      }
+      else
+        err+= str->append(STRING_WITH_LEN("HASH "));
+      break;
+    case VERSIONING_PARTITION:
+      err+= str->append(STRING_WITH_LEN("SYSTEM_TIME "));
+      break;
+    default:
+      DBUG_ASSERT(0);
+      /* We really shouldn't get here, no use in continuing from here */
+      my_error(ER_OUT_OF_RESOURCES, MYF(ME_FATAL));
+      return -1;
+  }
+  return err;
+}
+
+
+void part_type_error(THD *thd, partition_info *work_part_info,
+                     const char *part_type,
+                     partition_info *tab_part_info)
+{
+  StringBuffer<256> tab_part_type;
+  if (tab_part_info->gen_part_type(thd, &tab_part_type) < 0)
+    return;
+  tab_part_type.length(tab_part_type.length() - 1);
+  if (work_part_info)
+  {
+    DBUG_ASSERT(!part_type);
+    StringBuffer<256> work_part_type;
+    if (work_part_info->gen_part_type(thd, &work_part_type) < 0)
+      return;
+    work_part_type.length(work_part_type.length() - 1);
+    my_error(ER_PARTITION_WRONG_TYPE, MYF(0), work_part_type.c_ptr(),
+             tab_part_type.c_ptr());
+  }
+  else
+  {
+    DBUG_ASSERT(part_type);
+    my_error(ER_PARTITION_WRONG_TYPE, MYF(0), part_type,
+             tab_part_type.c_ptr());
+  }
+}
+
+
 /*
   Generate the partition syntax from the partition data structure.
   Useful for support of generating defaults, SHOW CREATE TABLES
@@ -2527,34 +2599,10 @@ char *generate_partition_syntax(THD *thd, partition_info *part_info,
   DBUG_ENTER("generate_partition_syntax");
 
   err+= str.append(STRING_WITH_LEN(" PARTITION BY "));
-  switch (part_info->part_type)
-  {
-    case RANGE_PARTITION:
-      err+= str.append(STRING_WITH_LEN("RANGE "));
-      break;
-    case LIST_PARTITION:
-      err+= str.append(STRING_WITH_LEN("LIST "));
-      break;
-    case HASH_PARTITION:
-      if (part_info->linear_hash_ind)
-        err+= str.append(STRING_WITH_LEN("LINEAR "));
-      if (part_info->list_of_part_fields)
-      {
-        err+= add_key_with_algorithm(&str, part_info);
-        err+= add_part_field_list(thd, &str, part_info->part_field_list);
-      }
-      else
-        err+= str.append(STRING_WITH_LEN("HASH "));
-      break;
-    case VERSIONING_PARTITION:
-      err+= str.append(STRING_WITH_LEN("SYSTEM_TIME "));
-      break;
-    default:
-      DBUG_ASSERT(0);
-      /* We really shouldn't get here, no use in continuing from here */
-      my_error(ER_OUT_OF_RESOURCES, MYF(ME_FATAL));
-      DBUG_RETURN(NULL);
-  }
+  int err2= part_info->gen_part_type(thd, &str);
+  if (err2 < 0)
+    DBUG_RETURN(NULL);
+  err+= err2;
   if (part_info->part_type == VERSIONING_PARTITION)
   {
     Vers_part_info *vers_info= part_info->vers_info;
@@ -5009,6 +5057,13 @@ uint prep_alter_part_table(THD *thd, TABLE *table, Alter_info *alter_info,
     if ((alter_info->partition_flags & ALTER_PARTITION_ADD) ||
         (alter_info->partition_flags & ALTER_PARTITION_REORGANIZE))
     {
+      if ((alter_info->partition_flags & ALTER_PARTITION_CONVERT_IN) &&
+          !(tab_part_info->part_type == RANGE_PARTITION ||
+            tab_part_info->part_type == LIST_PARTITION))
+      {
+        my_error(ER_ONLY_ON_RANGE_LIST_PARTITION, MYF(0), "CONVERT TABLE TO");
+        goto err;
+      }
       if (thd->work_part_info->part_type != tab_part_info->part_type)
       {
         if (thd->work_part_info->part_type == NOT_A_PARTITION)
@@ -5044,7 +5099,7 @@ uint prep_alter_part_table(THD *thd, TABLE *table, Alter_info *alter_info,
           else if (thd->work_part_info->part_type == VERSIONING_PARTITION ||
                    tab_part_info->part_type == VERSIONING_PARTITION)
           {
-            my_error(ER_PARTITION_WRONG_TYPE, MYF(0), "SYSTEM_TIME");
+            part_type_error(thd, thd->work_part_info, NULL, tab_part_info);
           }
           else
           {
@@ -5078,13 +5133,6 @@ uint prep_alter_part_table(THD *thd, TABLE *table, Alter_info *alter_info,
     }
     if (alter_info->partition_flags & ALTER_PARTITION_ADD)
     {
-      if ((alter_info->partition_flags & ALTER_PARTITION_CONVERT_IN) &&
-          !(tab_part_info->part_type == RANGE_PARTITION ||
-            tab_part_info->part_type == LIST_PARTITION))
-      {
-        my_error(ER_ONLY_ON_RANGE_LIST_PARTITION, MYF(0), "CONVERT TABLE TO");
-        goto err;
-      }
       if (*fast_alter_table && thd->locked_tables_mode)
       {
         MEM_ROOT *old_root= thd->mem_root;