MCOL-4871 This patch adds relevant tests

mysql-test/columnstore/include/ctype_extent_proc_create.inc

@@ -0,0 +1,32 @@
+
+DELIMITER $$;
+CREATE PROCEDURE show_extent_min_max(schema_arg VARCHAR(64),
+                                     table_arg VARCHAR(64),
+                                     column_arg VARCHAR(64))
+BEGIN
+  SELECT
+    c.table_schema,
+    c.table_name,
+    c.column_name,
+    hex(CAST(e.min_value AS SIGNED)),
+    hex(CAST(e.max_value AS SIGNED))
+  FROM
+    information_schema.columnstore_extents e,
+    information_schema.columnstore_columns c
+  WHERE c.object_id=e.object_id
+    AND table_schema=schema_arg
+    AND table_name=table_arg
+    AND column_name=column_arg;
+END;
+$$
+DELIMITER ;$$
+
+DELIMITER $$;
+CREATE FUNCTION caltrace_extract_block_diagnostics(msg TEXT CHARACTER SET utf8mb4)
+        RETURNS TEXT CHARACTER SET utf8mb4
+BEGIN
+  RETURN CONCAT(regexp_substr(msg, '(BlocksTouched-[^;]*);'), ' ',
+                regexp_substr(msg, '(PartitionBlocksEliminated-[^;]*);'));
+END;
+$$
+DELIMITER ;$$

mysql-test/columnstore/include/ctype_extent_proc_drop.inc

@@ -0,0 +1,2 @@
+DROP PROCEDURE show_extent_min_max;
+DROP FUNCTION caltrace_extract_block_diagnostics;

mysql-test/columnstore/include/func_caltrace_create_if_needed.inc

@@ -0,0 +1,25 @@
+#
+# Functions calgettrace() and calsettrace():
+# - normally exist when "mtr --extern" is running
+# - do not exist when mtr without --extern is running
+#
+# This file creates the functions if they do not exist.
+#
+
+let $func_exists_calsettrace=`SELECT COUNT(*) FROM mysql.func WHERE name='calsettrace'`;
+--disable_query_log
+if (!$func_exists_calsettrace)
+{
+  CREATE FUNCTION calsettrace RETURNS INTEGER SONAME "ha_columnstore.so";
+}
+--enable_query_log
+
+
+let $func_exists_calgettrace=`SELECT COUNT(*) FROM mysql.func WHERE name='calgettrace'`;
+--disable_query_log
+if (!$func_exists_calgettrace)
+{
+  CREATE FUNCTION calgettrace RETURNS STRING SONAME "ha_columnstore.so";
+}
+--enable_query_log
+

mysql-test/columnstore/include/func_caltrace_drop_if_needed.inc

@@ -0,0 +1,13 @@
+--disable_query_log
+if (!$func_exists_calgettrace)
+{
+  DROP FUNCTION calgettrace;
+}
+--enable_query_log
+
+--disable_query_log
+if (!$func_exists_calsettrace)
+{
+  DROP FUNCTION calsettrace;
+}
+--enable_query_log