diff --git a/mysql-test/r/func_str.result b/mysql-test/r/func_str.result
index 61a77c211d7..2c15e5581e8 100644
--- a/mysql-test/r/func_str.result
+++ b/mysql-test/r/func_str.result
@@ -1036,4 +1036,32 @@ a	c
 abc	abc abc
 xyz	xyz xyz
 DROP TABLE t1;
+CREATE TABLE t1 (s varchar(10));
+INSERT INTO t1 VALUES ('yadda'), ('yaddy');
+EXPLAIN EXTENDED SELECT s FROM t1 WHERE TRIM(s) > 'ab';
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	Using where
+Warnings:
+Note	1003	select test.t1.s AS `s` from test.t1 where (trim(test.t1.s) > _latin1'ab')
+EXPLAIN EXTENDED SELECT s FROM t1 WHERE TRIM('y' FROM s) > 'ab';
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	Using where
+Warnings:
+Note	1003	select test.t1.s AS `s` from test.t1 where (trim(both _latin1'y' from test.t1.s) > _latin1'ab')
+EXPLAIN EXTENDED SELECT s FROM t1 WHERE TRIM(LEADING 'y' FROM s) > 'ab';
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	Using where
+Warnings:
+Note	1003	select test.t1.s AS `s` from test.t1 where (trim(leading _latin1'y' from test.t1.s) > _latin1'ab')
+EXPLAIN EXTENDED SELECT s FROM t1 WHERE TRIM(TRAILING 'y' FROM s) > 'ab';
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	Using where
+Warnings:
+Note	1003	select test.t1.s AS `s` from test.t1 where (trim(trailing _latin1'y' from test.t1.s) > _latin1'ab')
+EXPLAIN EXTENDED SELECT s FROM t1 WHERE TRIM(BOTH 'y' FROM s) > 'ab';
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	Using where
+Warnings:
+Note	1003	select test.t1.s AS `s` from test.t1 where (trim(both _latin1'y' from test.t1.s) > _latin1'ab')
+DROP TABLE t1;
 End of 4.1 tests
diff --git a/mysql-test/t/func_str.test b/mysql-test/t/func_str.test
index 9a1c75a8dc0..3c855a32eed 100644
--- a/mysql-test/t/func_str.test
+++ b/mysql-test/t/func_str.test
@@ -697,5 +697,20 @@ SELECT a, CONCAT(a,' ',a) AS c FROM t1
                      INSTR(REVERSE(CONCAT(a,' ',a))," ")) = a;
 
 DROP TABLE t1;
+
+#
+# Bug#17526: WRONG PRINT for TRIM FUNCTION with two arguments
+#
+
+CREATE TABLE t1 (s varchar(10));
+INSERT INTO t1 VALUES ('yadda'), ('yaddy');
+
+EXPLAIN EXTENDED SELECT s FROM t1 WHERE TRIM(s) > 'ab';
+EXPLAIN EXTENDED SELECT s FROM t1 WHERE TRIM('y' FROM s) > 'ab';
+EXPLAIN EXTENDED SELECT s FROM t1 WHERE TRIM(LEADING 'y' FROM s) > 'ab';
+EXPLAIN EXTENDED SELECT s FROM t1 WHERE TRIM(TRAILING 'y' FROM s) > 'ab';
+EXPLAIN EXTENDED SELECT s FROM t1 WHERE TRIM(BOTH 'y' FROM s) > 'ab';
+
+DROP TABLE t1;
  
 --echo End of 4.1 tests
diff --git a/sql/item_strfunc.cc b/sql/item_strfunc.cc
index 7bc7956283b..1c5b947cb2b 100644
--- a/sql/item_strfunc.cc
+++ b/sql/item_strfunc.cc
@@ -1444,6 +1444,23 @@ void Item_func_trim::fix_length_and_dec()
   }
 }
 
+void Item_func_trim::print(String *str)
+{
+  if (arg_count == 1)
+  {
+    Item_func::print(str);
+    return;
+  }
+  str->append(Item_func_trim::func_name());
+  str->append('(');
+  str->append(mode_name());
+  str->append(' ');
+  args[1]->print(str);
+  str->append(" from ",6);
+  args[0]->print(str);
+  str->append(')');
+}
+
 
 /* Item_func_password */
 
diff --git a/sql/item_strfunc.h b/sql/item_strfunc.h
index f800c17182b..880a19242ca 100644
--- a/sql/item_strfunc.h
+++ b/sql/item_strfunc.h
@@ -218,6 +218,8 @@ public:
   String *val_str(String *);
   void fix_length_and_dec();
   const char *func_name() const { return "trim"; }
+  void print(String *str);
+  virtual const char *mode_name() const { return "both"; }
 };
 
 
@@ -228,6 +230,7 @@ public:
   Item_func_ltrim(Item *a) :Item_func_trim(a) {}
   String *val_str(String *);
   const char *func_name() const { return "ltrim"; }
+  const char *mode_name() const { return "leading"; }
 };
 
 
@@ -238,6 +241,7 @@ public:
   Item_func_rtrim(Item *a) :Item_func_trim(a) {}
   String *val_str(String *);
   const char *func_name() const { return "rtrim"; }
+  const char *mode_name() const { return "trailing"; }
 };