MDEV-11359 Implement IGNORE for bulk operation

include/mysql.h.pp

@@ -21,7 +21,8 @@ enum enum_indicator_type
 {
   STMT_INDICATOR_NONE= 0,
   STMT_INDICATOR_NULL,
-  STMT_INDICATOR_DEFAULT
+  STMT_INDICATOR_DEFAULT,
+  STMT_INDICATOR_IGNORE
 };
 struct st_vio;
 typedef struct st_vio Vio;

include/mysql_com.h

@@ -130,7 +130,8 @@ enum enum_indicator_type
 {
   STMT_INDICATOR_NONE= 0,
   STMT_INDICATOR_NULL,
-  STMT_INDICATOR_DEFAULT
+  STMT_INDICATOR_DEFAULT,
+  STMT_INDICATOR_IGNORE
 };
 
 /* sql type stored in .frm files for virtual fields */

mysql-test/r/default.result

@@ -3080,3 +3080,153 @@ t3	CREATE TABLE `t3` (
   `max(c)` int(11) DEFAULT NULL
 ) ENGINE=MyISAM DEFAULT CHARSET=latin1
 drop table t1, t2, t3;
+# MDEV-11359: Implement IGNORE for bulk operation
+create table t1 (a int primary key default 0, b int default 3);
+insert into t1 values (1, ignore);
+insert into t1 values (2, ignore);
+replace into t1 values (2, ignore);
+replace into t1 values (3, ignore);
+replace into t1 values (4, 6);
+replace into t1 values (5, 7);
+update t1 set a=6,b=ignore where a=5;
+insert into t1 values (ignore, ignore);
+insert into t1 values (ignore, ignore);
+ERROR 23000: Duplicate entry '0' for key 'PRIMARY'
+select * from t1 order by a;
+a	b
+0	3
+1	3
+2	3
+3	3
+4	6
+6	7
+delete from t1 where a < 4;
+# actually insert default instead of ignoring
+# (but REPLACE is non standard operator)
+replace into t1 values (4, ignore);
+select * from t1 order by a;
+a	b
+4	3
+6	7
+drop table t1;
+create table t1 (a int default 100, b int, c varchar(60) default 'x');
+load data infile '../../std_data/rpl_loaddata.dat' into table t1 (a, @b) set b=@b+10, c=ignore;
+select * from t1;
+a	b	c
+NULL	20	x
+NULL	25	x
+drop table t1;
+CREATE TABLE t1 (a INT NOT NULL PRIMARY KEY AUTO_INCREMENT);
+CREATE TABLE t2 (a INT);
+INSERT INTO t2 VALUES (1),(2),(3),(2);
+INSERT INTO t1 SELECT a FROM t2 ON DUPLICATE KEY UPDATE a=DEFAULT;
+SELECT * FROM t1 order by a;
+a
+0
+1
+3
+truncate table t1;
+INSERT INTO t1 SELECT a FROM t2 ON DUPLICATE KEY UPDATE a=IGNORE;
+SELECT * FROM t1 order by a;
+a
+0
+1
+3
+DROP TABLE t1,t2;
+create table t1 (a int primary key default 0, b int default 3);
+prepare insstmt from "insert into t1 values (?, ?)";
+prepare repstmt from "replace into t1 values (?, ?)";
+prepare updstmt from "update t1 set a=6,b=? where a=5";
+execute insstmt using 1, ignore;
+execute insstmt using 2, ignore;
+execute repstmt using 2, ignore;
+execute repstmt using 3, ignore;
+execute repstmt using 4, 6;
+execute repstmt using 5, 7;
+execute updstmt using ignore;
+execute insstmt using ignore, ignore;
+execute insstmt using ignore, ignore;
+ERROR 23000: Duplicate entry '0' for key 'PRIMARY'
+select * from t1 order by a;
+a	b
+0	3
+1	3
+2	3
+3	3
+4	6
+6	7
+delete from t1 where a < 4;
+execute repstmt using 4, ignore;
+select * from t1 order by a;
+a	b
+4	3
+6	7
+drop table t1;
+#
+# DEVAULT & PS adoption
+#
+CREATE TABLE t1 (a INT DEFAULT 10, b INT DEFAULT NULL);
+EXECUTE IMMEDIATE 'INSERT INTO t1 VALUES (?,?)' USING IGNORE, IGNORE;
+SELECT * FROM t1;
+a	b
+10	NULL
+UPDATE t1 SET a=20, b=30;
+SELECT * FROM t1;
+a	b
+20	30
+EXECUTE IMMEDIATE 'UPDATE t1 SET a=?,b=?' USING IGNORE, IGNORE;
+SELECT * FROM t1;
+a	b
+20	30
+DROP TABLE t1;
+CREATE TABLE t1 (a INT DEFAULT 10);
+EXECUTE IMMEDIATE 'INSERT INTO t1 VALUES (?+1)' USING IGNORE;
+ERROR HY000: Default/ignore value is not supported for such parameter usage
+EXECUTE IMMEDIATE 'INSERT INTO t1 VALUES (CONCAT(?,?))' USING IGNORE, 'test';
+ERROR HY000: Default/ignore value is not supported for such parameter usage
+DROP TABLE t1;
+CREATE TABLE t1 (a INT DEFAULT 10);
+INSERT INTO t1 VALUES (20);
+EXECUTE IMMEDIATE 'UPDATE t1 SET a=?+1' USING IGNORE;
+ERROR HY000: Default/ignore value is not supported for such parameter usage
+EXECUTE IMMEDIATE 'UPDATE t1 SET a=CONCAT(?,?)' USING IGNORE, 'test';
+ERROR HY000: Default/ignore value is not supported for such parameter usage
+DROP TABLE t1;
+EXECUTE IMMEDIATE 'SELECT CAST(? AS SIGNED)' USING IGNORE;
+ERROR HY000: Default/ignore value is not supported for such parameter usage
+EXECUTE IMMEDIATE 'SELECT CAST(? AS DOUBLE)' USING IGNORE;
+ERROR HY000: Default/ignore value is not supported for such parameter usage
+EXECUTE IMMEDIATE 'SELECT CAST(? AS CHAR)' USING IGNORE;
+ERROR HY000: Default/ignore value is not supported for such parameter usage
+EXECUTE IMMEDIATE 'SELECT CAST(? AS DECIMAL(10,1))' USING IGNORE;
+ERROR HY000: Default/ignore value is not supported for such parameter usage
+EXECUTE IMMEDIATE 'SELECT CAST(? AS TIME)' USING IGNORE;
+ERROR HY000: Default/ignore value is not supported for such parameter usage
+EXECUTE IMMEDIATE 'SELECT CAST(? AS DATE)' USING IGNORE;
+ERROR HY000: Default/ignore value is not supported for such parameter usage
+EXECUTE IMMEDIATE 'SELECT CAST(? AS DATETIME)' USING IGNORE;
+ERROR HY000: Default/ignore value is not supported for such parameter usage
+EXECUTE IMMEDIATE 'SELECT ?+1' USING IGNORE;
+ERROR HY000: Default/ignore value is not supported for such parameter usage
+EXECUTE IMMEDIATE 'SELECT CONCAT(?,?)' USING IGNORE,'test';
+ERROR HY000: Default/ignore value is not supported for such parameter usage
+EXECUTE IMMEDIATE 'SELECT 1 LIMIT ?' USING IGNORE;
+ERROR HY000: Default/ignore value is not supported for such parameter usage
+CREATE TABLE t1 (a INT DEFAULT 10);
+INSERT INTO t1 VALUES (1),(2),(3);
+EXECUTE IMMEDIATE 'SELECT * FROM t1 LIMIT ?' USING IGNORE;
+ERROR HY000: Default/ignore value is not supported for such parameter usage
+DROP TABLE t1;
+# The output of this query in 'Note' is a syntactically incorrect query.
+# But as it's never logged, it's ok. It should be human readable only.
+EXECUTE IMMEDIATE 'EXPLAIN EXTENDED SELECT ?' USING IGNORE;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
+1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
+Warnings:
+Note	1003	select ignore AS `?`
+CREATE TABLE t1 (a INT);
+INSERT INTO t1 VALUES (1),(2),(3);
+EXECUTE IMMEDIATE 'EXPLAIN EXTENDED SELECT * FROM t1 WHERE ?+a<=>?+a' USING DEFAULT,DEFAULT;
+ERROR HY000: Default/ignore value is not supported for such parameter usage
+DROP TABLE t1;
+# end of 10.2 test

mysql-test/r/ps.result

@@ -4668,41 +4668,41 @@ a	b
 DROP TABLE t1;
 CREATE TABLE t1 (a INT DEFAULT 10);
 EXECUTE IMMEDIATE 'INSERT INTO t1 VALUES (?+1)' USING DEFAULT;
-ERROR HY000: Default value is not supported for such parameter usage
+ERROR HY000: Default/ignore value is not supported for such parameter usage
 EXECUTE IMMEDIATE 'INSERT INTO t1 VALUES (CONCAT(?,?))' USING DEFAULT, 'test';
-ERROR HY000: Default value is not supported for such parameter usage
+ERROR HY000: Default/ignore value is not supported for such parameter usage
 DROP TABLE t1;
 CREATE TABLE t1 (a INT DEFAULT 10);
 INSERT INTO t1 VALUES (20);
 EXECUTE IMMEDIATE 'UPDATE t1 SET a=?+1' USING DEFAULT;
-ERROR HY000: Default value is not supported for such parameter usage
+ERROR HY000: Default/ignore value is not supported for such parameter usage
 EXECUTE IMMEDIATE 'UPDATE t1 SET a=CONCAT(?,?)' USING DEFAULT, 'test';
-ERROR HY000: Default value is not supported for such parameter usage
+ERROR HY000: Default/ignore value is not supported for such parameter usage
 DROP TABLE t1;
 EXECUTE IMMEDIATE 'SELECT CAST(? AS SIGNED)' USING DEFAULT;
-ERROR HY000: Default value is not supported for such parameter usage
+ERROR HY000: Default/ignore value is not supported for such parameter usage
 EXECUTE IMMEDIATE 'SELECT CAST(? AS DOUBLE)' USING DEFAULT;
-ERROR HY000: Default value is not supported for such parameter usage
+ERROR HY000: Default/ignore value is not supported for such parameter usage
 EXECUTE IMMEDIATE 'SELECT CAST(? AS CHAR)' USING DEFAULT;
-ERROR HY000: Default value is not supported for such parameter usage
+ERROR HY000: Default/ignore value is not supported for such parameter usage
 EXECUTE IMMEDIATE 'SELECT CAST(? AS DECIMAL(10,1))' USING DEFAULT;
-ERROR HY000: Default value is not supported for such parameter usage
+ERROR HY000: Default/ignore value is not supported for such parameter usage
 EXECUTE IMMEDIATE 'SELECT CAST(? AS TIME)' USING DEFAULT;
-ERROR HY000: Default value is not supported for such parameter usage
+ERROR HY000: Default/ignore value is not supported for such parameter usage
 EXECUTE IMMEDIATE 'SELECT CAST(? AS DATE)' USING DEFAULT;
-ERROR HY000: Default value is not supported for such parameter usage
+ERROR HY000: Default/ignore value is not supported for such parameter usage
 EXECUTE IMMEDIATE 'SELECT CAST(? AS DATETIME)' USING DEFAULT;
-ERROR HY000: Default value is not supported for such parameter usage
+ERROR HY000: Default/ignore value is not supported for such parameter usage
 EXECUTE IMMEDIATE 'SELECT ?+1' USING DEFAULT;
-ERROR HY000: Default value is not supported for such parameter usage
+ERROR HY000: Default/ignore value is not supported for such parameter usage
 EXECUTE IMMEDIATE 'SELECT CONCAT(?,?)' USING DEFAULT,'test';
-ERROR HY000: Default value is not supported for such parameter usage
+ERROR HY000: Default/ignore value is not supported for such parameter usage
 EXECUTE IMMEDIATE 'SELECT 1 LIMIT ?' USING DEFAULT;
-ERROR HY000: Default value is not supported for such parameter usage
+ERROR HY000: Default/ignore value is not supported for such parameter usage
 CREATE TABLE t1 (a INT DEFAULT 10);
 INSERT INTO t1 VALUES (1),(2),(3);
 EXECUTE IMMEDIATE 'SELECT * FROM t1 LIMIT ?' USING DEFAULT;
-ERROR HY000: Default value is not supported for such parameter usage
+ERROR HY000: Default/ignore value is not supported for such parameter usage
 DROP TABLE t1;
 # The output of this query in 'Note' is a syntactically incorrect query.
 # But as it's never logged, it's ok. It should be human readable only.
@@ -4714,5 +4714,5 @@ Note	1003	select default AS `?`
 CREATE TABLE t1 (a INT);
 INSERT INTO t1 VALUES (1),(2),(3);
 EXECUTE IMMEDIATE 'EXPLAIN EXTENDED SELECT * FROM t1 WHERE ?+a<=>?+a' USING DEFAULT,DEFAULT;
-ERROR HY000: Default value is not supported for such parameter usage
+ERROR HY000: Default/ignore value is not supported for such parameter usage
 DROP TABLE t1;

mysql-test/t/default.test

@@ -1836,3 +1836,141 @@ create table t3 as select max(a), max(b), max(c) from t1;
 show create table t2;
 show create table t3;
 drop table t1, t2, t3;
+
+--echo # MDEV-11359: Implement IGNORE for bulk operation
+create table t1 (a int primary key default 0, b int default 3);
+insert into t1 values (1, ignore);
+insert into t1 values (2, ignore);
+replace into t1 values (2, ignore);
+replace into t1 values (3, ignore);
+replace into t1 values (4, 6);
+replace into t1 values (5, 7);
+update t1 set a=6,b=ignore where a=5;
+insert into t1 values (ignore, ignore);
+--error ER_DUP_ENTRY
+insert into t1 values (ignore, ignore);
+select * from t1 order by a;
+delete from t1 where a < 4;
+--echo # actually insert default instead of ignoring
+--echo # (but REPLACE is non standard operator)
+replace into t1 values (4, ignore);
+select * from t1 order by a;
+drop table t1;
+
+#using in load
+create table t1 (a int default 100, b int, c varchar(60) default 'x');
+load data infile '../../std_data/rpl_loaddata.dat' into table t1 (a, @b) set b=@b+10, c=ignore;
+select * from t1;
+drop table t1;
+
+#using in duplicate
+CREATE TABLE t1 (a INT NOT NULL PRIMARY KEY AUTO_INCREMENT);
+CREATE TABLE t2 (a INT);
+INSERT INTO t2 VALUES (1),(2),(3),(2);
+INSERT INTO t1 SELECT a FROM t2 ON DUPLICATE KEY UPDATE a=DEFAULT;
+SELECT * FROM t1 order by a;
+truncate table t1;
+# efectively it is DEFALT
+INSERT INTO t1 SELECT a FROM t2 ON DUPLICATE KEY UPDATE a=IGNORE;
+SELECT * FROM t1 order by a;
+DROP TABLE t1,t2;
+
+create table t1 (a int primary key default 0, b int default 3);
+prepare insstmt from "insert into t1 values (?, ?)";
+prepare repstmt from "replace into t1 values (?, ?)";
+prepare updstmt from "update t1 set a=6,b=? where a=5";
+execute insstmt using 1, ignore;
+execute insstmt using 2, ignore;
+execute repstmt using 2, ignore;
+execute repstmt using 3, ignore;
+execute repstmt using 4, 6;
+execute repstmt using 5, 7;
+execute updstmt using ignore;
+execute insstmt using ignore, ignore;
+--error ER_DUP_ENTRY
+execute insstmt using ignore, ignore;
+select * from t1 order by a;
+delete from t1 where a < 4;
+execute repstmt using 4, ignore;
+select * from t1 order by a;
+drop table t1;
+
+--echo #
+--echo # DEVAULT & PS adoption
+--echo #
+
+
+# Correct usage
+CREATE TABLE t1 (a INT DEFAULT 10, b INT DEFAULT NULL);
+EXECUTE IMMEDIATE 'INSERT INTO t1 VALUES (?,?)' USING IGNORE, IGNORE;
+SELECT * FROM t1;
+UPDATE t1 SET a=20, b=30;
+SELECT * FROM t1;
+EXECUTE IMMEDIATE 'UPDATE t1 SET a=?,b=?' USING IGNORE, IGNORE;
+SELECT * FROM t1;
+DROP TABLE t1;
+
+# Incorrect usage in a expression in INSERT..VALUES
+CREATE TABLE t1 (a INT DEFAULT 10);
+--error ER_INVALID_DEFAULT_PARAM
+EXECUTE IMMEDIATE 'INSERT INTO t1 VALUES (?+1)' USING IGNORE;
+--error ER_INVALID_DEFAULT_PARAM
+EXECUTE IMMEDIATE 'INSERT INTO t1 VALUES (CONCAT(?,?))' USING IGNORE, 'test';
+DROP TABLE t1;
+
+# Incorrect usage in UPDATE..SET
+CREATE TABLE t1 (a INT DEFAULT 10);
+INSERT INTO t1 VALUES (20);
+--error ER_INVALID_DEFAULT_PARAM
+EXECUTE IMMEDIATE 'UPDATE t1 SET a=?+1' USING IGNORE;
+--error ER_INVALID_DEFAULT_PARAM
+EXECUTE IMMEDIATE 'UPDATE t1 SET a=CONCAT(?,?)' USING IGNORE, 'test';
+DROP TABLE t1;
+
+
+# Incorrect usage in not an UPDATE/INSERT query at all
+--error ER_INVALID_DEFAULT_PARAM
+EXECUTE IMMEDIATE 'SELECT CAST(? AS SIGNED)' USING IGNORE;
+--error ER_INVALID_DEFAULT_PARAM
+EXECUTE IMMEDIATE 'SELECT CAST(? AS DOUBLE)' USING IGNORE;
+--error ER_INVALID_DEFAULT_PARAM
+EXECUTE IMMEDIATE 'SELECT CAST(? AS CHAR)' USING IGNORE;
+--error ER_INVALID_DEFAULT_PARAM
+EXECUTE IMMEDIATE 'SELECT CAST(? AS DECIMAL(10,1))' USING IGNORE;
+--error ER_INVALID_DEFAULT_PARAM
+EXECUTE IMMEDIATE 'SELECT CAST(? AS TIME)' USING IGNORE;
+--error ER_INVALID_DEFAULT_PARAM
+EXECUTE IMMEDIATE 'SELECT CAST(? AS DATE)' USING IGNORE;
+--error ER_INVALID_DEFAULT_PARAM
+EXECUTE IMMEDIATE 'SELECT CAST(? AS DATETIME)' USING IGNORE;
+
+--error ER_INVALID_DEFAULT_PARAM
+EXECUTE IMMEDIATE 'SELECT ?+1' USING IGNORE;
+--error ER_INVALID_DEFAULT_PARAM
+EXECUTE IMMEDIATE 'SELECT CONCAT(?,?)' USING IGNORE,'test';
+
+
+# Incorrect usage in the LIMIT clause
+--error ER_INVALID_DEFAULT_PARAM
+EXECUTE IMMEDIATE 'SELECT 1 LIMIT ?' USING IGNORE;
+CREATE TABLE t1 (a INT DEFAULT 10);
+INSERT INTO t1 VALUES (1),(2),(3);
+--error ER_INVALID_DEFAULT_PARAM
+EXECUTE IMMEDIATE 'SELECT * FROM t1 LIMIT ?' USING IGNORE;
+DROP TABLE t1;
+
+
+--echo # The output of this query in 'Note' is a syntactically incorrect query.
+--echo # But as it's never logged, it's ok. It should be human readable only.
+EXECUTE IMMEDIATE 'EXPLAIN EXTENDED SELECT ?' USING IGNORE;
+
+
+# This tests Item_param::eq() for IGNORE as a bound value
+CREATE TABLE t1 (a INT);
+INSERT INTO t1 VALUES (1),(2),(3);
+--error ER_INVALID_DEFAULT_PARAM
+EXECUTE IMMEDIATE 'EXPLAIN EXTENDED SELECT * FROM t1 WHERE ?+a<=>?+a' USING DEFAULT,DEFAULT;
+DROP TABLE t1;
+
+
+--echo # end of 10.2 test

sql/field.cc

@@ -10861,3 +10861,15 @@ bool Field::save_in_field_default_value(bool view_error_processing)
     validate_value_in_record_with_warn(thd, table->record[0]) &&
     thd->is_error() ? -1 : 0;
 }
+
+
+bool Field::save_in_field_ignore_value(bool view_error_processing)
+{
+  enum_sql_command com= table->in_use->lex->sql_command;
+  // All insert-like commands
+  if (com == SQLCOM_INSERT || com == SQLCOM_REPLACE ||
+      com == SQLCOM_INSERT_SELECT || com == SQLCOM_REPLACE_SELECT ||
+      com == SQLCOM_LOAD)
+    return save_in_field_default_value(view_error_processing);
+  return 0; // ignore
+}

sql/field.h

@@ -1453,6 +1453,7 @@ class Field: public Value_source
   }
 
   bool save_in_field_default_value(bool view_eror_processing);
+  bool save_in_field_ignore_value(bool view_error_processing);
 
   friend int cre_myisam(char * name, register TABLE *form, uint options,
 			ulonglong auto_increment_value);

sql/item.cc

@@ -3611,6 +3611,10 @@ int Item_param::save_in_field(Field *field, bool no_conversions)
     return field->save_in_field_default_value(field->table->pos_in_table_list->
                                               top_table() !=
                                               field->table->pos_in_table_list);
+  case IGNORE_VALUE:
+    return field->save_in_field_ignore_value(field->table->pos_in_table_list->
+                                             top_table() !=
+                                             field->table->pos_in_table_list);
   case NO_VALUE:
     DBUG_ASSERT(0); // Should not be possible
     return true;
@@ -3663,6 +3667,7 @@ double Item_param::val_real()
       time value for the placeholder.
     */
     return TIME_to_double(&value.time);
+  case IGNORE_VALUE:
   case DEFAULT_VALUE:
     invalid_default_param();
     // fall through
@@ -3698,6 +3703,7 @@ longlong Item_param::val_int()
     }
   case TIME_VALUE:
     return (longlong) TIME_to_ulonglong(&value.time);
+  case IGNORE_VALUE:
   case DEFAULT_VALUE:
     invalid_default_param();
     // fall through
@@ -3731,6 +3737,7 @@ my_decimal *Item_param::val_decimal(my_decimal *dec)
   {
     return TIME_to_my_decimal(&value.time, dec);
   }
+  case IGNORE_VALUE:
   case DEFAULT_VALUE:
     invalid_default_param();
     // fall through
@@ -3772,6 +3779,7 @@ String *Item_param::val_str(String* str)
     str->set_charset(&my_charset_bin);
     return str;
   }
+  case IGNORE_VALUE:
   case DEFAULT_VALUE:
     invalid_default_param();
     // fall through
@@ -3856,6 +3864,7 @@ const String *Item_param::query_val_str(THD *thd, String* str) const
                           thd->variables.sql_mode & MODE_NO_BACKSLASH_ESCAPES);
       return str;
     }
+  case IGNORE_VALUE:
   case DEFAULT_VALUE:
     return &my_default_string;
   case NULL_VALUE:
@@ -3911,6 +3920,7 @@ Item_param::clone_item(THD *thd)
   MEM_ROOT *mem_root= thd->mem_root;
   // There's no "default". See comments in Item_param::save_in_field().
   switch (state) {
+  case IGNORE_VALUE:
   case DEFAULT_VALUE:
     invalid_default_param();
     // fall through
@@ -3949,6 +3959,7 @@ Item_param::eq(const Item *item, bool binary_cmp) const
 
   // There's no "default". See comments in Item_param::save_in_field().
   switch (state) {
+  case IGNORE_VALUE:
   case DEFAULT_VALUE:
     invalid_default_param();
     return false;
@@ -3982,6 +3993,10 @@ void Item_param::print(String *str, enum_query_type query_type)
   {
     str->append("default");
   }
+  else if (state == IGNORE_VALUE)
+  {
+    str->append("ignore");
+  }
   else
   {
     char buffer[STRING_BUFFER_USUAL_SIZE];
@@ -4047,6 +4062,12 @@ void Item_param::set_default()
   null_value= true;
 }
 
+void Item_param::set_ignore()
+{
+  state= IGNORE_VALUE;
+  null_value= true;
+}
+
 /**
   This operation is intended to store some item value in Item_param to be
   used later.
@@ -8703,6 +8724,57 @@ Item *Item_default_value::transform(THD *thd, Item_transformer transformer,
   return (this->*transformer)(thd, args);
 }
 
+void Item_ignore_value::print(String *str, enum_query_type query_type)
+{
+    str->append(STRING_WITH_LEN("ignore"));
+}
+
+int Item_ignore_value::save_in_field(Field *field_arg, bool no_conversions)
+{
+  return field_arg->save_in_field_ignore_value(context->error_processor ==
+                                               &view_error_processor);
+}
+
+String *Item_ignore_value::val_str(String *str)
+{
+  DBUG_ASSERT(0); // never should be called
+  null_value= 1;
+  return 0;
+}
+
+double Item_ignore_value::val_real()
+{
+  DBUG_ASSERT(0); // never should be called
+  null_value= 1;
+  return 0.0;
+}
+
+longlong Item_ignore_value::val_int()
+{
+  DBUG_ASSERT(0); // never should be called
+  null_value= 1;
+  return 0;
+}
+
+my_decimal *Item_ignore_value::val_decimal(my_decimal *decimal_value)
+{
+  DBUG_ASSERT(0); // never should be called
+  null_value= 1;
+  return 0;
+}
+
+bool Item_ignore_value::get_date(MYSQL_TIME *ltime, ulonglong fuzzydate)
+{
+  DBUG_ASSERT(0); // never should be called
+  null_value= 1;
+  return TRUE;
+}
+
+bool Item_ignore_value::send(Protocol *protocol, String *buffer)
+{
+  DBUG_ASSERT(0); // never should be called
+  return TRUE;
+}
 
 bool Item_insert_value::eq(const Item *item, bool binary_cmp) const
 {

sql/item.h

@@ -2806,7 +2806,7 @@ class Item_param :public Item_basic_value,
   {
     NO_VALUE, NULL_VALUE, INT_VALUE, REAL_VALUE,
     STRING_VALUE, TIME_VALUE, LONG_DATA_VALUE,
-    DECIMAL_VALUE, DEFAULT_VALUE
+    DECIMAL_VALUE, DEFAULT_VALUE, IGNORE_VALUE
   } state;
 
   struct CONVERSION_INFO
@@ -2898,6 +2898,7 @@ class Item_param :public Item_basic_value,
   int  save_in_field(Field *field, bool no_conversions);
 
   void set_default();
+  void set_ignore();
   void set_null();
   void set_int(longlong i, uint32 max_length_arg);
   void set_double(double i);
@@ -5166,6 +5167,37 @@ class Item_default_value : public Item_field
   Item *transform(THD *thd, Item_transformer transformer, uchar *args);
 };
 
+/**
+  This class is used as bulk parameter INGNORE representation.
+
+  It just do nothing when assigned to a field
+
+*/
+
+class Item_ignore_value : public Item_default_value
+{
+public:
+  Item_ignore_value(THD *thd, Name_resolution_context *context_arg)
+    :Item_default_value(thd, context_arg)
+  {};
+
+  void print(String *str, enum_query_type query_type);
+  int save_in_field(Field *field_arg, bool no_conversions);
+  bool save_in_param(THD *thd, Item_param *param)
+  {
+    param->set_ignore();
+    return false;
+  }
+
+  String *val_str(String *str);
+  double val_real();
+  longlong val_int();
+  my_decimal *val_decimal(my_decimal *decimal_value);
+  bool get_date(MYSQL_TIME *ltime,ulonglong fuzzydate);
+  bool send(Protocol *protocol, String *buffer);
+};
+
+
 /*
   Item_insert_value -- an implementation of VALUES() function.
   You can use the VALUES(col_name) function in the UPDATE clause

sql/share/errmsg-utf8.txt

@@ -7233,8 +7233,8 @@ ER_PARTITION_DEFAULT_ERROR
 ER_REFERENCED_TRG_DOES_NOT_EXIST
   eng "Referenced trigger '%s' for the given action time and event type does not exist"
 ER_INVALID_DEFAULT_PARAM
-        eng "Default value is not supported for such parameter usage"
-        ukr "Значення за замовчуванням не підтримано для цього випадку використання параьетра"
+        eng "Default/ignore value is not supported for such parameter usage"
+        ukr "Значення за замовчуванням або ігнороване значення не підтримано для цього випадку використання параьетра"
 ER_BINLOG_NON_SUPPORTED_BULK
         eng "Only row based replication supported for bulk operations"
 ER_BINLOG_UNCOMPRESS_ERROR

sql/sql_prepare.cc

@@ -1012,6 +1012,9 @@ static bool insert_bulk_params(Prepared_statement *stmt,
       case STMT_INDICATOR_DEFAULT:
         param->set_default();
         break;
+      case STMT_INDICATOR_IGNORE:
+        param->set_ignore();
+        break;
       }
     }
     else

sql/sql_yacc.yy

@@ -12500,6 +12500,12 @@ expr_or_default:
             if ($$ == NULL)
               MYSQL_YYABORT;
           }
+        | IGNORE_SYM
+          {
+            $$= new (thd->mem_root) Item_ignore_value(thd, Lex->current_context());
+            if ($$ == NULL)
+              MYSQL_YYABORT;
+          }
         ;
 
 opt_insert_update: