MDEV-13967 Parameter data type control for Item_long_func

- Implementing stricter data type control for Item_long_func descendants
- Cleanup: renaming Type_handler::can_return_str_ascii() to can_return_text()
  (a better name).

mysql-test/r/func_int.result

@@ -33,5 +33,102 @@ ERROR HY000: Illegal parameter data type row for operation 'inet_aton'
 SELECT LAST_INSERT_ID(ROW(1,1));
 ERROR HY000: Illegal parameter data type row for operation 'last_insert_id'
 #
+# MDEV-13967 Parameter data type control for Item_long_func
+#
+SELECT STRCMP(ROW(1,1),'');
+ERROR HY000: Illegal parameter data type row for operation 'strcmp'
+SELECT STRCMP('',ROW(1,1));
+ERROR HY000: Illegal parameter data type row for operation 'strcmp'
+SELECT CHAR_LENGTH(ROW(1,1));
+ERROR HY000: Illegal parameter data type row for operation 'char_length'
+SELECT OCTET_LENGTH(ROW(1,1));
+ERROR HY000: Illegal parameter data type row for operation 'octet_length'
+SELECT UNCOMPRESSED_LENGTH(ROW(1,1));
+ERROR HY000: Illegal parameter data type row for operation 'uncompressed_length'
+SELECT COERCIBILITY(ROW(1,1));
+ERROR HY000: Illegal parameter data type row for operation 'coercibility'
+SELECT ASCII(ROW(1,1));
+ERROR HY000: Illegal parameter data type row for operation 'ascii'
+SELECT CRC32(ROW(1,1));
+ERROR HY000: Illegal parameter data type row for operation 'crc32'
+SELECT ORD(ROW(1,1));
+ERROR HY000: Illegal parameter data type row for operation 'ord'
+SELECT SIGN(ROW(1,1));
+ERROR HY000: Illegal parameter data type row for operation 'sign'
+SELECT LOCATE(ROW(1,1),'a',1);
+ERROR HY000: Illegal parameter data type row for operation 'locate'
+SELECT LOCATE('a',ROW(1,1),1);
+ERROR HY000: Illegal parameter data type row for operation 'locate'
+SELECT LOCATE('a','a',ROW(1,1));
+ERROR HY000: Illegal parameter data type row for operation 'locate'
+SELECT BIT_COUNT(ROW(1,1));
+ERROR HY000: Illegal parameter data type row for operation 'bit_count'
+SELECT BENCHMARK(1, ROW(1,1));
+ERROR 21000: Operand should contain 1 column(s)
+SELECT BENCHMARK(ROW(1,1),'');
+ERROR HY000: Illegal parameter data type row for operation 'benchmark'
+SELECT SLEEP(ROW(1,1));
+ERROR HY000: Illegal parameter data type row for operation 'sleep'
+SELECT GET_LOCK('x', ROW(1,1));
+ERROR HY000: Illegal parameter data type row for operation 'get_lock'
+SELECT GET_LOCK(ROW(1,1),'x');
+ERROR HY000: Illegal parameter data type row for operation 'get_lock'
+SELECT PERIOD_ADD(ROW(1,1),1);
+ERROR HY000: Illegal parameter data type row for operation 'period_add'
+SELECT PERIOD_ADD(1,ROW(1,1));
+ERROR HY000: Illegal parameter data type row for operation 'period_add'
+SELECT PERIOD_DIFF(ROW(1,1),1);
+ERROR HY000: Illegal parameter data type row for operation 'period_diff'
+SELECT PERIOD_DIFF(1,ROW(1,1));
+ERROR HY000: Illegal parameter data type row for operation 'period_diff'
+SELECT TO_DAYS(ROW(1,1));
+ERROR HY000: Illegal parameter data type row for operation 'to_days'
+SELECT DAYOFMONTH(ROW(1,1));
+ERROR HY000: Illegal parameter data type row for operation 'dayofmonth'
+SELECT DAYOFYEAR(ROW(1,1));
+ERROR HY000: Illegal parameter data type row for operation 'dayofyear'
+SELECT QUARTER(ROW(1,1));
+ERROR HY000: Illegal parameter data type row for operation 'quarter'
+SELECT YEAR(ROW(1,1));
+ERROR HY000: Illegal parameter data type row for operation 'year'
+SELECT YEARWEEK(ROW(1,1));
+ERROR HY000: Illegal parameter data type row for operation 'yearweek'
+SELECT WEEK(ROW(1,1));
+ERROR HY000: Illegal parameter data type row for operation 'week'
+SELECT WEEK(ROW(1,1),1);
+ERROR HY000: Illegal parameter data type row for operation 'week'
+SELECT WEEK(1,ROW(1,1));
+ERROR HY000: Illegal parameter data type row for operation 'week'
+SELECT HOUR(ROW(1,1));
+ERROR HY000: Illegal parameter data type row for operation 'hour'
+SELECT MINUTE(ROW(1,1));
+ERROR HY000: Illegal parameter data type row for operation 'minute'
+SELECT SECOND(ROW(1,1));
+ERROR HY000: Illegal parameter data type row for operation 'second'
+SELECT MICROSECOND(ROW(1,1));
+ERROR HY000: Illegal parameter data type row for operation 'microsecond'
+SELECT JSON_DEPTH(ROW(1,1));
+ERROR HY000: Illegal parameter data type row for operation 'json_depth'
+SELECT JSON_LENGTH(ROW(1,1));
+ERROR HY000: Illegal parameter data type row for operation 'json_length'
+SELECT JSON_LENGTH('json', ROW(1,1));
+ERROR HY000: Illegal parameter data type row for operation 'json_length'
+SELECT JSON_LENGTH(ROW(1,1), ROW(1,1));
+ERROR HY000: Illegal parameter data type row for operation 'json_length'
+SELECT REGEXP_INSTR(ROW(1,1),'');
+ERROR HY000: Illegal parameter data type row for operation 'regexp_instr'
+SELECT REGEXP_INSTR('',ROW(1,1));
+ERROR HY000: Illegal parameter data type row for operation 'regexp_instr'
+SELECT FIND_IN_SET(ROW(1,1),'');
+ERROR HY000: Illegal parameter data type row for operation 'find_in_set'
+SELECT FIND_IN_SET('',ROW(1,1));
+ERROR HY000: Illegal parameter data type row for operation 'find_in_set'
+SELECT RELEASE_LOCK(ROW(1,1));
+ERROR HY000: Illegal parameter data type row for operation 'release_lock'
+SELECT IS_FREE_LOCK(ROW(1,1));
+ERROR HY000: Illegal parameter data type row for operation 'is_free_lock'
+SELECT IS_USED_LOCK(ROW(1,1));
+ERROR HY000: Illegal parameter data type row for operation 'is_used_lock'
+#
 # End of 10.3 tests
 #

mysql-test/r/func_regexp.result

@@ -157,3 +157,9 @@ SELECT ' '  REGEXP '[[:space:]]';
 SELECT '\t' REGEXP '[[:space:]]';
 '\t' REGEXP '[[:space:]]'
 1
+#
+# MDEV-13967 Parameter data type control for Item_long_func
+#
+SELECT REGEXP_INSTR('111222333',2);
+REGEXP_INSTR('111222333',2)
+4

mysql-test/r/gis.result

@@ -4817,5 +4817,106 @@ ERROR HY000: Illegal parameter data type geometry for operation 'convert_tz'
 SELECT CONVERT_TZ(1, 1, POINT(1,1));
 ERROR HY000: Illegal parameter data type geometry for operation 'convert_tz'
 #
+# MDEV-13967 Parameter data type control for Item_long_func
+#
+SELECT STRCMP(POINT(1,1),POINT(1,1));
+STRCMP(POINT(1,1),POINT(1,1))
+0
+SELECT CHAR_LENGTH(POINT(1,1));
+CHAR_LENGTH(POINT(1,1))
+25
+SELECT OCTET_LENGTH(POINT(1,1));
+OCTET_LENGTH(POINT(1,1))
+25
+SELECT UNCOMPRESSED_LENGTH(POINT(1,1));
+UNCOMPRESSED_LENGTH(POINT(1,1))
+0
+SELECT COERCIBILITY(POINT(1,1));
+COERCIBILITY(POINT(1,1))
+4
+SELECT ASCII(POINT(1,1));
+ASCII(POINT(1,1))
+0
+SELECT CRC32(POINT(1,1));
+CRC32(POINT(1,1))
+1349318989
+SELECT ORD(POINT(1,1));
+ORD(POINT(1,1))
+0
+SELECT SIGN(POINT(1,1));
+ERROR HY000: Illegal parameter data type geometry for operation 'sign'
+SELECT LOCATE('a','a',POINT(1,1));
+ERROR HY000: Illegal parameter data type geometry for operation 'locate'
+SELECT LOCATE(POINT(1,1),POINT(1,1));
+LOCATE(POINT(1,1),POINT(1,1))
+1
+SELECT BIT_COUNT(POINT(1,1));
+ERROR HY000: Illegal parameter data type geometry for operation 'bit_count'
+SELECT BENCHMARK(POINT(1,1),'');
+ERROR HY000: Illegal parameter data type geometry for operation 'benchmark'
+SELECT SLEEP(POINT(1,1));
+ERROR HY000: Illegal parameter data type geometry for operation 'sleep'
+SELECT GET_LOCK('x', POINT(1,1));
+ERROR HY000: Illegal parameter data type geometry for operation 'get_lock'
+SELECT PERIOD_ADD(POINT(1,1),1);
+ERROR HY000: Illegal parameter data type geometry for operation 'period_add'
+SELECT PERIOD_ADD(1,POINT(1,1));
+ERROR HY000: Illegal parameter data type geometry for operation 'period_add'
+SELECT PERIOD_DIFF(POINT(1,1),1);
+ERROR HY000: Illegal parameter data type geometry for operation 'period_diff'
+SELECT PERIOD_DIFF(1,POINT(1,1));
+ERROR HY000: Illegal parameter data type geometry for operation 'period_diff'
+SELECT TO_DAYS(POINT(1,1));
+ERROR HY000: Illegal parameter data type geometry for operation 'to_days'
+SELECT DAYOFMONTH(POINT(1,1));
+ERROR HY000: Illegal parameter data type geometry for operation 'dayofmonth'
+SELECT DAYOFYEAR(POINT(1,1));
+ERROR HY000: Illegal parameter data type geometry for operation 'dayofyear'
+SELECT QUARTER(POINT(1,1));
+ERROR HY000: Illegal parameter data type geometry for operation 'quarter'
+SELECT YEAR(POINT(1,1));
+ERROR HY000: Illegal parameter data type geometry for operation 'year'
+SELECT YEARWEEK(POINT(1,1));
+ERROR HY000: Illegal parameter data type geometry for operation 'yearweek'
+SELECT WEEK(POINT(1,1));
+ERROR HY000: Illegal parameter data type geometry for operation 'week'
+SELECT WEEK(POINT(1,1),1);
+ERROR HY000: Illegal parameter data type geometry for operation 'week'
+SELECT WEEK(1,POINT(1,1));
+ERROR HY000: Illegal parameter data type geometry for operation 'week'
+SELECT HOUR(POINT(1,1));
+ERROR HY000: Illegal parameter data type geometry for operation 'hour'
+SELECT MINUTE(POINT(1,1));
+ERROR HY000: Illegal parameter data type geometry for operation 'minute'
+SELECT SECOND(POINT(1,1));
+ERROR HY000: Illegal parameter data type geometry for operation 'second'
+SELECT MICROSECOND(POINT(1,1));
+ERROR HY000: Illegal parameter data type geometry for operation 'microsecond'
+SELECT JSON_DEPTH(POINT(1,1));
+ERROR HY000: Illegal parameter data type geometry for operation 'json_depth'
+SELECT JSON_LENGTH(POINT(1,1));
+ERROR HY000: Illegal parameter data type geometry for operation 'json_length'
+SELECT JSON_LENGTH('json', POINT(1,1));
+ERROR HY000: Illegal parameter data type geometry for operation 'json_length'
+SELECT JSON_LENGTH(POINT(1,1), POINT(1,1));
+ERROR HY000: Illegal parameter data type geometry for operation 'json_length'
+SELECT REGEXP_INSTR(POINT(1,1),'');
+REGEXP_INSTR(POINT(1,1),'')
+1
+SELECT REGEXP_INSTR('',POINT(1,1));
+ERROR HY000: Illegal parameter data type geometry for operation 'regexp_instr'
+SELECT FIND_IN_SET(POINT(1,1),'');
+FIND_IN_SET(POINT(1,1),'')
+0
+SELECT FIND_IN_SET('',POINT(1,1));
+FIND_IN_SET('',POINT(1,1))
+0
+SELECT RELEASE_LOCK(POINT(1,1));
+ERROR HY000: Illegal parameter data type geometry for operation 'release_lock'
+SELECT IS_FREE_LOCK(POINT(1,1));
+ERROR HY000: Illegal parameter data type geometry for operation 'is_free_lock'
+SELECT IS_USED_LOCK(POINT(1,1));
+ERROR HY000: Illegal parameter data type geometry for operation 'is_used_lock'
+#
 # End of 10.3 tests
 #

mysql-test/suite/rpl/r/rpl_gtid_basic.result

@@ -568,3 +568,16 @@ ERROR HY000: Function or expression 'binlog_gtid_pos()' cannot be used in the DE
 #
 # End  of 10.2 tests
 #
+#
+# Start of 10.3 tests
+#
+#
+# MDEV-13967 Parameter data type control for Item_long_func
+#
+SELECT MASTER_GTID_WAIT(ROW(1,1),'str');
+ERROR HY000: Illegal parameter data type row for operation 'master_gtid_wait'
+SELECT MASTER_GTID_WAIT('str',ROW(1,1));
+ERROR HY000: Illegal parameter data type row for operation 'master_gtid_wait'
+#
+# End of 10.3 tests
+#

mysql-test/suite/rpl/t/rpl_gtid_basic.test

@@ -14,3 +14,23 @@ CREATE TABLE t1 (a VARCHAR(100) DEFAULT BINLOG_GTID_POS("master-bin.000001", 600
 --echo #
 --echo # End  of 10.2 tests
 --echo #
+
+
+--echo #
+--echo # Start of 10.3 tests
+--echo #
+
+--echo #
+--echo # MDEV-13967 Parameter data type control for Item_long_func
+--echo #
+
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT MASTER_GTID_WAIT(ROW(1,1),'str');
+
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT MASTER_GTID_WAIT('str',ROW(1,1));
+
+
+--echo #
+--echo # End of 10.3 tests
+--echo #

mysql-test/t/func_int.test

@@ -44,6 +44,145 @@ SELECT INET_ATON(ROW(1,1));
 --error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
 SELECT LAST_INSERT_ID(ROW(1,1));
 
+
+--echo #
+--echo # MDEV-13967 Parameter data type control for Item_long_func
+--echo #
+
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT STRCMP(ROW(1,1),'');
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT STRCMP('',ROW(1,1));
+
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT CHAR_LENGTH(ROW(1,1));
+
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT OCTET_LENGTH(ROW(1,1));
+
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT UNCOMPRESSED_LENGTH(ROW(1,1));
+
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT COERCIBILITY(ROW(1,1));
+
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT ASCII(ROW(1,1));
+
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT CRC32(ROW(1,1));
+
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT ORD(ROW(1,1));
+
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT SIGN(ROW(1,1));
+
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT LOCATE(ROW(1,1),'a',1);
+
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT LOCATE('a',ROW(1,1),1);
+
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT LOCATE('a','a',ROW(1,1));
+
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT BIT_COUNT(ROW(1,1));
+
+--error ER_OPERAND_COLUMNS
+SELECT BENCHMARK(1, ROW(1,1));
+
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT BENCHMARK(ROW(1,1),'');
+
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT SLEEP(ROW(1,1));
+
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT GET_LOCK('x', ROW(1,1));
+
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT GET_LOCK(ROW(1,1),'x');
+
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT PERIOD_ADD(ROW(1,1),1);
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT PERIOD_ADD(1,ROW(1,1));
+
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT PERIOD_DIFF(ROW(1,1),1);
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT PERIOD_DIFF(1,ROW(1,1));
+
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT TO_DAYS(ROW(1,1));
+
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT DAYOFMONTH(ROW(1,1));
+
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT DAYOFYEAR(ROW(1,1));
+
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT QUARTER(ROW(1,1));
+
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT YEAR(ROW(1,1));
+
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT YEARWEEK(ROW(1,1));
+
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT WEEK(ROW(1,1));
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT WEEK(ROW(1,1),1);
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT WEEK(1,ROW(1,1));
+
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT HOUR(ROW(1,1));
+
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT MINUTE(ROW(1,1));
+
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT SECOND(ROW(1,1));
+
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT MICROSECOND(ROW(1,1));
+
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT JSON_DEPTH(ROW(1,1));
+
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT JSON_LENGTH(ROW(1,1));
+
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT JSON_LENGTH('json', ROW(1,1));
+
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT JSON_LENGTH(ROW(1,1), ROW(1,1));
+
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT REGEXP_INSTR(ROW(1,1),'');
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT REGEXP_INSTR('',ROW(1,1));
+
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT FIND_IN_SET(ROW(1,1),'');
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT FIND_IN_SET('',ROW(1,1));
+
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT RELEASE_LOCK(ROW(1,1));
+
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT IS_FREE_LOCK(ROW(1,1));
+
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT IS_USED_LOCK(ROW(1,1));
+
 --echo #
 --echo # End of 10.3 tests
 --echo #

mysql-test/t/func_regexp.test

@@ -104,3 +104,9 @@ SELECT '\t' REGEXP '[[:blank:]]';
 
 SELECT ' '  REGEXP '[[:space:]]';
 SELECT '\t' REGEXP '[[:space:]]';
+
+--echo #
+--echo # MDEV-13967 Parameter data type control for Item_long_func
+--echo #
+SELECT REGEXP_INSTR('111222333',2);
+

mysql-test/t/gis.test

@@ -2877,6 +2877,115 @@ SELECT CONVERT_TZ(1, POINT(1,1), 1);
 SELECT CONVERT_TZ(1, 1, POINT(1,1));
 
 
+--echo #
+--echo # MDEV-13967 Parameter data type control for Item_long_func
+--echo #
+
+SELECT STRCMP(POINT(1,1),POINT(1,1));
+SELECT CHAR_LENGTH(POINT(1,1));
+SELECT OCTET_LENGTH(POINT(1,1));
+SELECT UNCOMPRESSED_LENGTH(POINT(1,1));
+SELECT COERCIBILITY(POINT(1,1));
+SELECT ASCII(POINT(1,1));
+SELECT CRC32(POINT(1,1));
+SELECT ORD(POINT(1,1));
+
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT SIGN(POINT(1,1));
+
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT LOCATE('a','a',POINT(1,1));
+
+SELECT LOCATE(POINT(1,1),POINT(1,1));
+
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT BIT_COUNT(POINT(1,1));
+
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT BENCHMARK(POINT(1,1),'');
+
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT SLEEP(POINT(1,1));
+
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT GET_LOCK('x', POINT(1,1));
+
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT PERIOD_ADD(POINT(1,1),1);
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT PERIOD_ADD(1,POINT(1,1));
+
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT PERIOD_DIFF(POINT(1,1),1);
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT PERIOD_DIFF(1,POINT(1,1));
+
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT TO_DAYS(POINT(1,1));
+
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT DAYOFMONTH(POINT(1,1));
+
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT DAYOFYEAR(POINT(1,1));
+
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT QUARTER(POINT(1,1));
+
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT YEAR(POINT(1,1));
+
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT YEARWEEK(POINT(1,1));
+
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT WEEK(POINT(1,1));
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT WEEK(POINT(1,1),1);
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT WEEK(1,POINT(1,1));
+
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT HOUR(POINT(1,1));
+
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT MINUTE(POINT(1,1));
+
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT SECOND(POINT(1,1));
+
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT MICROSECOND(POINT(1,1));
+
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT JSON_DEPTH(POINT(1,1));
+
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT JSON_LENGTH(POINT(1,1));
+
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT JSON_LENGTH('json', POINT(1,1));
+
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT JSON_LENGTH(POINT(1,1), POINT(1,1));
+
+SELECT REGEXP_INSTR(POINT(1,1),'');
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT REGEXP_INSTR('',POINT(1,1));
+
+SELECT FIND_IN_SET(POINT(1,1),'');
+SELECT FIND_IN_SET('',POINT(1,1));
+
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT RELEASE_LOCK(POINT(1,1));
+
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT IS_FREE_LOCK(POINT(1,1));
+
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT IS_USED_LOCK(POINT(1,1));
+
+
 --echo #
 --echo # End of 10.3 tests
 --echo #

sql/item.cc

@@ -1113,10 +1113,21 @@ bool Item::check_type_can_return_time(const char *opname) const
 }
 
 
-bool Item::check_type_can_return_str_ascii(const char *opname) const
+bool Item::check_type_can_return_str(const char *opname) const
 {
   const Type_handler *handler= type_handler();
-  if (handler->can_return_str_ascii())
+  if (handler->can_return_str())
+    return false;
+  my_error(ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION, MYF(0),
+           handler->name().ptr(), opname);
+  return true;
+}
+
+
+bool Item::check_type_can_return_text(const char *opname) const
+{
+  const Type_handler *handler= type_handler();
+  if (handler->can_return_text())
     return false;
   my_error(ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION, MYF(0),
            handler->name().ptr(), opname);

sql/item.h

@@ -1712,7 +1712,8 @@ class Item: public Value_source,
   bool check_type_can_return_int(const char *opname) const;
   bool check_type_can_return_decimal(const char *opname) const;
   bool check_type_can_return_real(const char *opname) const;
-  bool check_type_can_return_str_ascii(const char *opname) const;
+  bool check_type_can_return_str(const char *opname) const;
+  bool check_type_can_return_text(const char *opname) const;
   bool check_type_can_return_date(const char *opname) const;
   bool check_type_can_return_time(const char *opname) const;
   // It is not row => null inside is impossible

sql/item_cmpfunc.h

@@ -930,6 +930,8 @@ class Item_func_between :public Item_func_opt_neg
 
 class Item_func_strcmp :public Item_long_func
 {
+  bool check_arguments() const
+  { return check_argument_types_can_return_str(0, 2); }
   String value1, value2;
   DTCollation cmp_collation;
 public:
@@ -2829,6 +2831,11 @@ class Item_func_regex :public Item_bool_func
 */
 class Item_func_regexp_instr :public Item_long_func
 {
+  bool check_arguments() const
+  {
+    return args[0]->check_type_can_return_str(func_name()) ||
+           args[1]->check_type_can_return_text(func_name());
+  }
   Regexp_processor_pcre re;
   DTCollation cmp_collation;
 public:

sql/item_func.cc

@@ -218,13 +218,26 @@ bool Item_func::check_argument_types_can_return_real(uint start,
 }
 
 
-bool Item_func::check_argument_types_can_return_str_ascii(uint start,
-                                                          uint end) const
+bool Item_func::check_argument_types_can_return_text(uint start,
+                                                     uint end) const
+{
+  for (uint i= start; i < end ; i++)
+  {
+    DBUG_ASSERT(i < arg_count);
+    if (args[i]->check_type_can_return_text(func_name()))
+      return true;
+  }
+  return false;
+}
+
+
+bool Item_func::check_argument_types_can_return_str(uint start,
+                                                    uint end) const
 {
   for (uint i= start; i < end ; i++)
   {
     DBUG_ASSERT(i < arg_count);
-    if (args[i]->check_type_can_return_str_ascii(func_name()))
+    if (args[i]->check_type_can_return_str(func_name()))
       return true;
   }
   return false;

sql/item_func.h

@@ -48,7 +48,8 @@ class Item_func :public Item_func_or_sum
                                       uint start, uint end) const;
   bool check_argument_types_can_return_int(uint start, uint end) const;
   bool check_argument_types_can_return_real(uint start, uint end) const;
-  bool check_argument_types_can_return_str_ascii(uint start, uint end) const;
+  bool check_argument_types_can_return_str(uint start, uint end) const;
+  bool check_argument_types_can_return_text(uint start, uint end) const;
   bool check_argument_types_can_return_date(uint start, uint end) const;
   bool check_argument_types_can_return_time(uint start, uint end) const;
 public:
@@ -1433,6 +1434,8 @@ class Item_func_rand :public Item_real_func
 
 class Item_func_sign :public Item_long_func
 {
+  bool check_arguments() const
+  { return args[0]->check_type_can_return_real(func_name()); }
 public:
   Item_func_sign(THD *thd, Item *a): Item_long_func(thd, a) {}
   const char *func_name() const { return "sign"; }
@@ -1599,14 +1602,23 @@ class Item_func_rollup_const :public Item_func
 };
 
 
-class Item_func_octet_length :public Item_long_func
+class Item_long_func_length: public Item_long_func
+{
+  bool check_arguments() const
+  { return args[0]->check_type_can_return_str(func_name()); }
+public:
+  Item_long_func_length(THD *thd, Item *a): Item_long_func(thd, a) {}
+  void fix_length_and_dec() { max_length=10; }
+};
+
+
+class Item_func_octet_length :public Item_long_func_length
 {
   String value;
 public:
-  Item_func_octet_length(THD *thd, Item *a): Item_long_func(thd, a) {}
+  Item_func_octet_length(THD *thd, Item *a): Item_long_func_length(thd, a) {}
   longlong val_int();
   const char *func_name() const { return "octet_length"; }
-  void fix_length_and_dec() { max_length=10; }
   Item *get_copy(THD *thd, MEM_ROOT *mem_root)
   { return get_item_copy<Item_func_octet_length>(thd, mem_root, this); }
 };
@@ -1626,20 +1638,21 @@ class Item_func_bit_length :public Item_longlong_func
   { return get_item_copy<Item_func_bit_length>(thd, mem_root, this); }
 };
 
-class Item_func_char_length :public Item_long_func
+class Item_func_char_length :public Item_long_func_length
 {
   String value;
 public:
-  Item_func_char_length(THD *thd, Item *a): Item_long_func(thd, a) {}
+  Item_func_char_length(THD *thd, Item *a): Item_long_func_length(thd, a) {}
   longlong val_int();
   const char *func_name() const { return "char_length"; }
-  void fix_length_and_dec() { max_length=10; }
   Item *get_copy(THD *thd, MEM_ROOT *mem_root)
   { return get_item_copy<Item_func_char_length>(thd, mem_root, this); }
 };
 
 class Item_func_coercibility :public Item_long_func
 {
+  bool check_arguments() const
+  { return args[0]->check_type_can_return_str(func_name()); }
 public:
   Item_func_coercibility(THD *thd, Item *a): Item_long_func(thd, a) {}
   longlong val_int();
@@ -1666,6 +1679,11 @@ class Item_func_coercibility :public Item_long_func
 */
 class Item_func_locate :public Item_long_func
 {
+  bool check_arguments() const
+  {
+    return check_argument_types_can_return_str(0, 2) ||
+           (arg_count > 2 && args[2]->check_type_can_return_int(func_name()));
+  }
   String value1,value2;
   DTCollation cmp_collation;
 public:
@@ -1703,6 +1721,8 @@ class Item_func_field :public Item_long_func
 
 class Item_func_ascii :public Item_long_func
 {
+  bool check_arguments() const
+  { return check_argument_types_can_return_str(0, arg_count); }
   String value;
 public:
   Item_func_ascii(THD *thd, Item *a): Item_long_func(thd, a) {}
@@ -1715,6 +1735,8 @@ class Item_func_ascii :public Item_long_func
 
 class Item_func_ord :public Item_long_func
 {
+  bool check_arguments() const
+  { return args[0]->check_type_can_return_str(func_name()); }
   String value;
 public:
   Item_func_ord(THD *thd, Item *a): Item_long_func(thd, a) {}
@@ -1727,6 +1749,8 @@ class Item_func_ord :public Item_long_func
 
 class Item_func_find_in_set :public Item_long_func
 {
+  bool check_arguments() const
+  { return check_argument_types_can_return_str(0, 2); }
   String value,value2;
   uint enum_value;
   ulonglong enum_bit;
@@ -1783,6 +1807,8 @@ class Item_func_bit_and :public Item_func_bit
 
 class Item_func_bit_count :public Item_long_func
 {
+  bool check_arguments() const
+  { return args[0]->check_type_can_return_int(func_name()); }
 public:
   Item_func_bit_count(THD *thd, Item *a): Item_long_func(thd, a) {}
   longlong val_int();
@@ -1858,6 +1884,11 @@ class Item_func_last_insert_id :public Item_longlong_func
 
 class Item_func_benchmark :public Item_long_func
 {
+  bool check_arguments() const
+  {
+    return args[0]->check_type_can_return_int(func_name()) ||
+           args[1]->check_type_scalar(func_name());
+  }
 public:
   Item_func_benchmark(THD *thd, Item *count_expr, Item *expr):
     Item_long_func(thd, count_expr, expr)
@@ -1880,6 +1911,8 @@ void item_func_sleep_free(void);
 
 class Item_func_sleep :public Item_long_func
 {
+  bool check_arguments() const
+  { return args[0]->check_type_can_return_real(func_name()); }
 public:
   Item_func_sleep(THD *thd, Item *a): Item_long_func(thd, a) {}
   void fix_length_and_dec() { fix_char_length(1); }
@@ -2160,6 +2193,11 @@ void mysql_ull_set_explicit_lock_duration(THD *thd);
 
 class Item_func_get_lock :public Item_long_func
 {
+  bool check_arguments() const
+  {
+    return args[0]->check_type_general_purpose_string(func_name()) ||
+           args[1]->check_type_can_return_real(func_name());
+  }
   String value;
  public:
   Item_func_get_lock(THD *thd, Item *a, Item *b) :Item_long_func(thd, a, b) {}
@@ -2182,6 +2220,8 @@ class Item_func_get_lock :public Item_long_func
 
 class Item_func_release_lock :public Item_long_func
 {
+  bool check_arguments() const
+  { return args[0]->check_type_general_purpose_string(func_name()); }
   String value;
 public:
   Item_func_release_lock(THD *thd, Item *a): Item_long_func(thd, a) {}
@@ -2236,6 +2276,11 @@ class Item_master_pos_wait :public Item_longlong_func
 
 class Item_master_gtid_wait :public Item_long_func
 {
+  bool check_arguments() const
+  {
+    return args[0]->check_type_general_purpose_string(func_name()) ||
+           (arg_count > 1 && args[1]->check_type_can_return_real(func_name()));
+  }
   String value;
 public:
   Item_master_gtid_wait(THD *thd, Item *a)
@@ -2599,6 +2644,8 @@ class Item_func_bit_xor : public Item_func_bit
 
 class Item_func_is_free_lock :public Item_long_func
 {
+  bool check_arguments() const
+  { return args[0]->check_type_general_purpose_string(func_name()); }
   String value;
 public:
   Item_func_is_free_lock(THD *thd, Item *a): Item_long_func(thd, a) {}
@@ -2615,6 +2662,8 @@ class Item_func_is_free_lock :public Item_long_func
 
 class Item_func_is_used_lock :public Item_long_func
 {
+  bool check_arguments() const
+  { return args[0]->check_type_general_purpose_string(func_name()); }
   String value;
 public:
   Item_func_is_used_lock(THD *thd, Item *a): Item_long_func(thd, a) {}

sql/item_inetfunc.h

@@ -27,7 +27,7 @@
 class Item_func_inet_aton : public Item_longlong_func
 {
   bool check_arguments() const
-  { return check_argument_types_can_return_str_ascii(0, arg_count); }
+  { return check_argument_types_can_return_text(0, arg_count); }
 public:
   Item_func_inet_aton(THD *thd, Item *a): Item_longlong_func(thd, a) {}
   longlong val_int();

sql/item_jsonfunc.h

@@ -295,6 +295,12 @@ class Item_func_json_merge: public Item_func_json_array
 
 class Item_func_json_length: public Item_long_func
 {
+  bool check_arguments() const
+  {
+    return args[0]->check_type_can_return_text(func_name()) ||
+           (arg_count > 1 &&
+            args[1]->check_type_general_purpose_string(func_name()));
+  }
 protected:
   json_path_with_flags path;
   String tmp_js;
@@ -312,6 +318,8 @@ class Item_func_json_length: public Item_long_func
 
 class Item_func_json_depth: public Item_long_func
 {
+  bool check_arguments() const
+  { return args[0]->check_type_can_return_text(func_name()); }
 protected:
   String tmp_js;
 public:

sql/item_strfunc.h

@@ -1451,6 +1451,8 @@ class Item_func_weight_string :public Item_str_func
 
 class Item_func_crc32 :public Item_long_func
 {
+  bool check_arguments() const
+  { return args[0]->check_type_can_return_str(func_name()); }
   String value;
 public:
   Item_func_crc32(THD *thd, Item *a): Item_long_func(thd, a)
@@ -1462,11 +1464,12 @@ class Item_func_crc32 :public Item_long_func
   { return get_item_copy<Item_func_crc32>(thd, mem_root, this); }
 };
 
-class Item_func_uncompressed_length : public Item_long_func
+class Item_func_uncompressed_length : public Item_long_func_length
 {
   String value;
 public:
-  Item_func_uncompressed_length(THD *thd, Item *a): Item_long_func(thd, a) {}
+  Item_func_uncompressed_length(THD *thd, Item *a)
+   :Item_long_func_length(thd, a) {}
   const char *func_name() const{return "uncompressed_length";}
   void fix_length_and_dec() { max_length=10; maybe_null= true; }
   longlong val_int();

sql/item_timefunc.h

@@ -33,8 +33,31 @@ enum date_time_format_types
 
 bool get_interval_value(Item *args,interval_type int_type, INTERVAL *interval);
 
+
+class Item_long_func_date_field: public Item_long_func
+{
+  bool check_arguments() const
+  { return args[0]->check_type_can_return_date(func_name()); }
+public:
+  Item_long_func_date_field(THD *thd, Item *a)
+   :Item_long_func(thd, a) { }
+};
+
+
+class Item_long_func_time_field: public Item_long_func
+{
+  bool check_arguments() const
+  { return args[0]->check_type_can_return_time(func_name()); }
+public:
+  Item_long_func_time_field(THD *thd, Item *a)
+   :Item_long_func(thd, a) { }
+};
+
+
 class Item_func_period_add :public Item_long_func
 {
+  bool check_arguments() const
+  { return check_argument_types_can_return_int(0, 2); }
 public:
   Item_func_period_add(THD *thd, Item *a, Item *b): Item_long_func(thd, a, b) {}
   longlong val_int();
@@ -50,6 +73,8 @@ class Item_func_period_add :public Item_long_func
 
 class Item_func_period_diff :public Item_long_func
 {
+  bool check_arguments() const
+  { return check_argument_types_can_return_int(0, 2); }
 public:
   Item_func_period_diff(THD *thd, Item *a, Item *b): Item_long_func(thd, a, b) {}
   longlong val_int();
@@ -64,10 +89,10 @@ class Item_func_period_diff :public Item_long_func
 };
 
 
-class Item_func_to_days :public Item_long_func
+class Item_func_to_days :public Item_long_func_date_field
 {
 public:
-  Item_func_to_days(THD *thd, Item *a): Item_long_func(thd, a) {}
+  Item_func_to_days(THD *thd, Item *a): Item_long_func_date_field(thd, a) {}
   longlong val_int();
   const char *func_name() const { return "to_days"; }
   void fix_length_and_dec()
@@ -117,10 +142,10 @@ class Item_func_to_seconds :public Item_longlong_func
 };
 
 
-class Item_func_dayofmonth :public Item_long_func
+class Item_func_dayofmonth :public Item_long_func_date_field
 {
 public:
-  Item_func_dayofmonth(THD *thd, Item *a): Item_long_func(thd, a) {}
+  Item_func_dayofmonth(THD *thd, Item *a): Item_long_func_date_field(thd, a) {}
   longlong val_int();
   const char *func_name() const { return "dayofmonth"; }
   void fix_length_and_dec()
@@ -197,10 +222,10 @@ class Item_func_monthname :public Item_str_func
 };
 
 
-class Item_func_dayofyear :public Item_long_func
+class Item_func_dayofyear :public Item_long_func_date_field
 {
 public:
-  Item_func_dayofyear(THD *thd, Item *a): Item_long_func(thd, a) {}
+  Item_func_dayofyear(THD *thd, Item *a): Item_long_func_date_field(thd, a) {}
   longlong val_int();
   const char *func_name() const { return "dayofyear"; }
   void fix_length_and_dec()
@@ -220,10 +245,10 @@ class Item_func_dayofyear :public Item_long_func
 };
 
 
-class Item_func_hour :public Item_long_func
+class Item_func_hour :public Item_long_func_time_field
 {
 public:
-  Item_func_hour(THD *thd, Item *a): Item_long_func(thd, a) {}
+  Item_func_hour(THD *thd, Item *a): Item_long_func_time_field(thd, a) {}
   longlong val_int();
   const char *func_name() const { return "hour"; }
   void fix_length_and_dec()
@@ -243,10 +268,10 @@ class Item_func_hour :public Item_long_func
 };
 
 
-class Item_func_minute :public Item_long_func
+class Item_func_minute :public Item_long_func_time_field
 {
 public:
-  Item_func_minute(THD *thd, Item *a): Item_long_func(thd, a) {}
+  Item_func_minute(THD *thd, Item *a): Item_long_func_time_field(thd, a) {}
   longlong val_int();
   const char *func_name() const { return "minute"; }
   void fix_length_and_dec()
@@ -266,10 +291,10 @@ class Item_func_minute :public Item_long_func
 };
 
 
-class Item_func_quarter :public Item_long_func
+class Item_func_quarter :public Item_long_func_date_field
 {
 public:
-  Item_func_quarter(THD *thd, Item *a): Item_long_func(thd, a) {}
+  Item_func_quarter(THD *thd, Item *a): Item_long_func_date_field(thd, a) {}
   longlong val_int();
   const char *func_name() const { return "quarter"; }
   void fix_length_and_dec()
@@ -289,10 +314,10 @@ class Item_func_quarter :public Item_long_func
 };
 
 
-class Item_func_second :public Item_long_func
+class Item_func_second :public Item_long_func_time_field
 {
 public:
-  Item_func_second(THD *thd, Item *a): Item_long_func(thd, a) {}
+  Item_func_second(THD *thd, Item *a): Item_long_func_time_field(thd, a) {}
   longlong val_int();
   const char *func_name() const { return "second"; }
   void fix_length_and_dec()
@@ -314,6 +339,11 @@ class Item_func_second :public Item_long_func
 
 class Item_func_week :public Item_long_func
 {
+  bool check_arguments() const
+  {
+    return args[0]->check_type_can_return_date(func_name()) ||
+           (arg_count > 1 && args[1]->check_type_can_return_int(func_name()));
+  }
 public:
   Item_func_week(THD *thd, Item *a): Item_long_func(thd, a) {}
   Item_func_week(THD *thd, Item *a, Item *b): Item_long_func(thd, a, b) {}
@@ -341,8 +371,14 @@ class Item_func_week :public Item_long_func
 
 class Item_func_yearweek :public Item_long_func
 {
+  bool check_arguments() const
+  {
+    return args[0]->check_type_can_return_date(func_name()) ||
+           args[1]->check_type_can_return_int(func_name());
+  }
 public:
-  Item_func_yearweek(THD *thd, Item *a, Item *b): Item_long_func(thd, a, b) {}
+  Item_func_yearweek(THD *thd, Item *a, Item *b)
+   :Item_long_func(thd, a, b) {}
   longlong val_int();
   const char *func_name() const { return "yearweek"; }
   void fix_length_and_dec()
@@ -362,10 +398,10 @@ class Item_func_yearweek :public Item_long_func
 };
 
 
-class Item_func_year :public Item_long_func
+class Item_func_year :public Item_long_func_date_field
 {
 public:
-  Item_func_year(THD *thd, Item *a): Item_long_func(thd, a) {}
+  Item_func_year(THD *thd, Item *a): Item_long_func_date_field(thd, a) {}
   longlong val_int();
   const char *func_name() const { return "year"; }
   enum_monotonicity_info get_monotonicity_info() const;
@@ -872,7 +908,7 @@ class Item_func_convert_tz :public Item_datetimefunc
   bool check_arguments() const
   {
     return args[0]->check_type_can_return_date(func_name()) ||
-           check_argument_types_can_return_str_ascii(1, arg_count);
+           check_argument_types_can_return_text(1, arg_count);
   }
   /*
     If time zone parameters are constants we are caching objects that
@@ -1211,10 +1247,10 @@ class Item_func_maketime :public Item_timefunc
 };
 
 
-class Item_func_microsecond :public Item_long_func
+class Item_func_microsecond :public Item_long_func_time_field
 {
 public:
-  Item_func_microsecond(THD *thd, Item *a): Item_long_func(thd, a) {}
+  Item_func_microsecond(THD *thd, Item *a): Item_long_func_time_field(thd, a) {}
   longlong val_int();
   const char *func_name() const { return "microsecond"; }
   void fix_length_and_dec()

sql/sql_type.h

@@ -706,7 +706,8 @@ class Type_handler
   virtual bool can_return_int() const { return true; }
   virtual bool can_return_decimal() const { return true; }
   virtual bool can_return_real() const { return true; }
-  virtual bool can_return_str_ascii() const { return true; }
+  virtual bool can_return_str() const { return true; }
+  virtual bool can_return_text() const { return true; }
   virtual bool can_return_date() const { return true; }
   virtual bool can_return_time() const { return true; }
   virtual bool is_general_purpose_string_type() const { return false; }
@@ -1007,7 +1008,8 @@ class Type_handler_row: public Type_handler
   bool can_return_int() const { return false; }
   bool can_return_decimal() const { return false; }
   bool can_return_real() const { return false; }
-  bool can_return_str_ascii() const { return false; }
+  bool can_return_str() const { return false; }
+  bool can_return_text() const { return false; }
   bool can_return_date() const { return false; }
   bool can_return_time() const { return false; }
   enum_field_types field_type() const
@@ -2683,7 +2685,7 @@ class Type_handler_geometry: public Type_handler_string_result
   bool can_return_int() const { return false; }
   bool can_return_decimal() const { return false; }
   bool can_return_real() const { return false; }
-  bool can_return_str_ascii() const { return false; }
+  bool can_return_text() const { return false; }
   bool can_return_date() const { return false; }
   bool can_return_time() const { return false; }
   bool is_traditional_type() const