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diff --git a/mysql-test/suite/parts/inc/partition_12.inc b/mysql-test/suite/parts/inc/partition_12.inc
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+# inc/partition_12.inc
+#
+# Do some basic things on a table, if the SQL command executed just before
+# sourcing this file was successful.
+#
+
+--source suite/parts/inc/partition_layout.inc
+
+####### Variations with multiple records
+   #      (mass) Insert max_row_div2 + 1 records
+   eval INSERT INTO t1 SELECT * FROM t0_template WHERE f1 BETWEEN $max_row_div2 AND $max_row;
+   #      Select
+   eval SELECT (COUNT(*) = $max_row) AND (MIN(f1) = 1) AND (MAX(f1) = $max_row)
+            AS my_value FROM t1;
+   # DEBUG SELECT COUNT(*),MIN(f1),MAX(f1) FROM t1;
+   #      (mass) Update $max_row_div4 * 2 + 1 records
+   eval UPDATE t1 SET f1 = f1 + $max_row
+   WHERE f1 BETWEEN $max_row_div2 - $max_row_div4 AND $max_row_div2 + $max_row_div4;
+   #      Select
+   eval SELECT (COUNT(*) = $max_row) AND (MIN(f1) = 1) AND (MAX(f1) = $max_row_div2 + $max_row_div4 + $max_row )
+            AS my_value FROM t1;
+   # DEBUG SELECT COUNT(*),MIN(f1),MAX(f1) FROM t1;
+   #      (mass) Delete $max_row_div4 * 2 + 1 records
+   eval DELETE FROM t1
+   WHERE f1 BETWEEN $max_row_div2 - $max_row_div4 + $max_row AND $max_row_div2 + $max_row_div4 + $max_row;
+   #      Select
+   eval SELECT (COUNT(*) = $max_row - $max_row_div4 - $max_row_div4 - 1) AND (MIN(f1) = 1) AND (MAX(f1) = $max_row)
+            AS my_value FROM t1;
+   # DEBUG SELECT COUNT(*),MIN(f1),MAX(f1) FROM t1;
+
+####### Variations with single records
+#      Insert one record at beginning
+INSERT INTO t1 SET f1 = 0 , f2 = '#######';
+#      Select this record
+SELECT COUNT(*) = 1 AS my_value FROM t1 WHERE f1 = 0 AND f2 = '#######';
+#      Insert one record at end
+eval INSERT INTO t1 SET f1 = $max_row + 1, f2 = '#######';
+#      Select this record
+eval SELECT COUNT(*) = 1 AS my_value FROM t1 WHERE f1 = $max_row + 1 AND f2 = '#######';
+#      Update one record
+eval UPDATE t1 SET f1 = $max_row + 2, f2 = 'ZZZZZZZ'
+     WHERE  f1 = 0 AND f2 = '#######';
+#      Select
+eval SELECT COUNT(*) = 1 AS my_value FROM t1 WHERE f1 = $max_row + 2 AND f2 = 'ZZZZZZZ';
+# Bug #15968: Partitions: crash when INSERT with f1 = -1 into PARTITION BY HASH(f1)
+eval UPDATE t1 SET f1 = 0 - 1, f2 = 'ZZZZZZZ'
+     WHERE  f1 = $max_row + 1 AND f2 = '#######';
+#      Select
+SELECT COUNT(*) AS my_value FROM t1 WHERE f1 = 0 - 1 AND f2 = 'ZZZZZZZ';
+#      Delete
+eval DELETE FROM t1 WHERE f1 = $max_row + 2 AND f2 = 'ZZZZZZZ';
+DELETE FROM t1 WHERE f1 = 0 - 1 AND f2 = 'ZZZZZZZ';
+#      Select
+SELECT COUNT(*) = 0 AS my_value FROM t1 WHERE f2 = 'ZZZZZZZ';
+
+#      Truncate
+TRUNCATE t1;
+#      Select on empty table
+SELECT COUNT(*) = 0 AS my_value FROM t1;