Automatic conversion from CHAR(length) to BLOB when length > 255

New operators MOD and DIV
SELECT ... FROM DUAL
TRUE = 1 and FALSE = 0

include/mysqld_error.h

@@ -260,4 +260,5 @@
 #define ER_UNKNOWN_STMT_HANDLER 1241
 #define ER_CORRUPT_HELP_DB 1242
 #define ER_CYCLIC_REFERENCE 1243
-#define ER_ERROR_MESSAGES 244
+#define ER_AUTO_CONVERT	1244
+#define ER_ERROR_MESSAGES 245

mysql-test/r/func_system.result

@@ -4,3 +4,6 @@ test	1
 select version()>="3.23.29";
 version()>="3.23.29"
 1
+select TRUE,FALSE,NULL;
+TRUE	FALSE	NULL
+1	0	NULL

mysql-test/r/func_test.result

@@ -46,6 +46,9 @@ select 3 ^ 11, 1 ^ 1, 1 ^ 0, 1 ^ NULL, NULL ^ 1;
 select 1 XOR 1, 1 XOR 0, 0 XOR 1, 0 XOR 0, NULL XOR 1, 1 XOR NULL, 0 XOR NULL;
 1 XOR 1	1 XOR 0	0 XOR 1	0 XOR 0	NULL XOR 1	1 XOR NULL	0 XOR NULL
 0	1	1	0	NULL	NULL	NULL
+select 10 % 7, 10 mod 7, 10 div 3;
+10 % 7	10 mod 7	10 div 3
+3	3	3
 select 5 between 0 and 10 between 0 and 1,(5 between 0 and 10) between 0 and 1;
 5 between 0 and 10 between 0 and 1	(5 between 0 and 10) between 0 and 1
 0	1

mysql-test/r/type_blob.result

 drop table if exists t1,t2,t3,t4,t5,t6,t7;
+CREATE TABLE t1 (a blob, b text, c blob(250), d text(70000), e text(70000000));
+show columns from t1;
+Field	Type	Null	Key	Default	Extra
+a	blob	YES		NULL	
+b	text character set latin1	YES		NULL	
+c	blob	YES		NULL	
+d	mediumtext character set latin1	YES		NULL	
+e	longtext character set latin1	YES		NULL	
+CREATE TABLE t2 (a char(257), b varchar(70000) binary, c varchar(70000000));
+Warnings:
+Warning	1244	Converting column 'a' from CHAR to TEXT
+Warning	1244	Converting column 'b' from CHAR to BLOB
+Warning	1244	Converting column 'c' from CHAR to TEXT
+show columns from t2;
+Field	Type	Null	Key	Default	Extra
+a	text character set latin1	YES		NULL	
+b	mediumblob	YES		NULL	
+c	longtext character set latin1	YES		NULL	
+create table t3 (a long, b long byte);
+show create TABLE t3;
+Table	Create Table
+t3	CREATE TABLE `t3` (
+  `a` mediumtext character set latin1,
+  `b` mediumblob
+) TYPE=MyISAM CHARSET=latin1
+drop table t1,t2,t3
+#;
+CREATE TABLE t1 (a char(257) default "hello");
+Too big column length for column 'a' (max = 255). Use BLOB instead
+CREATE TABLE t2 (a blob default "hello");
+BLOB column 'a' can't have a default value
+drop table if exists t1,t2;
 create table t1 (nr int(5) not null auto_increment,b blob,str char(10), primary key (nr));
 insert into t1 values (null,"a","A");
 insert into t1 values (null,"bbb","BBB");

mysql-test/t/func_system.test

@@ -4,3 +4,4 @@
 
 select database(),user() like "%@%";
 select version()>="3.23.29";
+select TRUE,FALSE,NULL;

mysql-test/t/func_test.test

@@ -17,6 +17,7 @@ select 2 in (3,2,5,9,5,1),"monty" in ("david","monty","allan"), 1.2 in (1.4,1.2,
 select -1.49 or -1.49,0.6 or 0.6;
 select 3 ^ 11, 1 ^ 1, 1 ^ 0, 1 ^ NULL, NULL ^ 1;
 select 1 XOR 1, 1 XOR 0, 0 XOR 1, 0 XOR 0, NULL XOR 1, 1 XOR NULL, 0 XOR NULL;
+select 10 % 7, 10 mod 7, 10 div 3;
 
 #
 # Wrong usage of functions

mysql-test/t/type_blob.test

+#
+# Basic cleanup
+#
+drop table if exists t1,t2,t3,t4,t5,t6,t7;
+
+#
+# Check syntax for creating BLOB/TEXT
+#
+
+CREATE TABLE t1 (a blob, b text, c blob(250), d text(70000), e text(70000000));
+show columns from t1;
+CREATE TABLE t2 (a char(257), b varchar(70000) binary, c varchar(70000000));
+show columns from t2;
+create table t3 (a long, b long byte);
+show create TABLE t3;
+drop table t1,t2,t3
+
+#
+# Check errors with blob
+#
+
+--error 1074
+CREATE TABLE t1 (a char(257) default "hello");
+--error 1101
+CREATE TABLE t2 (a blob default "hello");
+drop table if exists t1,t2;
+
 #
 # test of full join with blob
 #
 
-drop table if exists t1,t2,t3,t4,t5,t6,t7;
 create table t1 (nr int(5) not null auto_increment,b blob,str char(10), primary key (nr));
 insert into t1 values (null,"a","A");
 insert into t1 values (null,"bbb","BBB");

sql/item_func.cc

@@ -455,6 +455,25 @@ void Item_func_div::fix_length_and_dec()
   maybe_null=1;
 }
 
+
+/* Integer division */
+longlong Item_func_int_div::val_int()
+{
+  longlong value=args[0]->val_int();
+  longlong val2=args[1]->val_int();
+  if ((null_value= val2 == 0 || args[0]->null_value || args[1]->null_value))
+    return 0;
+  return value/val2;
+}
+
+
+void Item_func_int_div::fix_length_and_dec()
+{
+  max_length=args[0]->max_length - args[0]->decimals;
+  maybe_null=1;
+}
+
+
 double Item_func_mod::val()
 {
   double value= floor(args[0]->val()+0.5);

sql/item_func.h

@@ -254,6 +254,18 @@ public:
 };
 
 
+class Item_func_int_div :public Item_num_op
+{
+public:
+  Item_func_int_div(Item *a,Item *b) :Item_num_op(a,b)
+  { hybrid_type=INT_RESULT; }
+  double val() { return (double) val_int(); }
+  longlong val_int();
+  const char *func_name() const { return "DIV"; }
+  void fix_length_and_dec();
+};
+
+
 class Item_func_mod :public Item_num_op
 {
 public:

sql/lex.h

@@ -127,8 +127,10 @@ static SYMBOL symbols[] = {
   { "DISABLE",		SYM(DISABLE_SYM),0,0},
   { "DISTINCT",		SYM(DISTINCT),0,0},
   { "DISTINCTROW",	SYM(DISTINCT),0,0},	/* Access likes this */
+  { "DIV",		SYM(DIV_SYM),0,0},
   { "DO",		SYM(DO_SYM),0,0},
   { "DOUBLE",		SYM(DOUBLE_SYM),0,0},
+  { "DUAL",		SYM(DUAL_SYM),0,0},
   { "DROP",		SYM(DROP),0,0},
   { "DUMPFILE",		SYM(DUMPFILE),0,0},
   { "DYNAMIC",		SYM(DYNAMIC_SYM),0,0},
@@ -154,6 +156,7 @@ static SYMBOL symbols[] = {
   { "FLOAT4",		SYM(FLOAT_SYM),0,0},
   { "FLOAT8",		SYM(DOUBLE_SYM),0,0},
   { "FLUSH",		SYM(FLUSH_SYM),0,0},
+  { "FALSE",		SYM(FALSE_SYM),0,0},
   { "FOREIGN",		SYM(FOREIGN),0,0},
   { "RAID_TYPE",	SYM(RAID_TYPE),0,0},
   { "RAID_CHUNKS",	SYM(RAID_CHUNKS),0,0},
@@ -248,6 +251,7 @@ static SYMBOL symbols[] = {
   { "MIN_ROWS",		SYM(MIN_ROWS),0,0},
   { "MINUTE",		SYM(MINUTE_SYM),0,0},
   { "MINUTE_SECOND",	SYM(MINUTE_SECOND_SYM),0,0},
+  { "MOD",		SYM(MOD_SYM),0,0},
   { "MODE",		SYM(MODE_SYM),0,0},
   { "MODIFY",		SYM(MODIFY_SYM),0,0},
   { "MONTH",		SYM(MONTH_SYM),0,0},
@@ -358,6 +362,7 @@ static SYMBOL symbols[] = {
   { "TRAILING",		SYM(TRAILING),0,0},
   { "TRANSACTION",	SYM(TRANSACTION_SYM),0,0},
   { "TRUNCATE",		SYM(TRUNCATE_SYM),0,0},
+  { "TRUE",		SYM(TRUE_SYM),0,0},
   { "TO",		SYM(TO_SYM),0,0},
   { "TYPE",		SYM(TYPE_SYM),0,0},
   { "TYPES",		SYM(TYPES_SYM),0,0},
@@ -374,6 +379,7 @@ static SYMBOL symbols[] = {
   { "VALUE",		SYM(VALUE_SYM),0,0},
   { "VALUES",		SYM(VALUES),0,0},
   { "VARCHAR",		SYM(VARCHAR),0,0},
+  { "VARCHARACTER",	SYM(VARCHAR),0,0},
   { "VARIABLES",	SYM(VARIABLES),0,0},
   { "VARYING",		SYM(VARYING),0,0},
   { "VARBINARY",	SYM(VARBINARY),0,0},
@@ -502,7 +508,6 @@ static SYMBOL sql_functions[] = {
   { "MD5",              SYM(FUNC_ARG1),0,CREATE_FUNC(create_func_md5)},
   { "MID",		SYM(SUBSTRING),0,0},	/* unireg function */
   { "MIN",		SYM(MIN_SYM),0,0},
-  { "MOD",		SYM(FUNC_ARG2),0,CREATE_FUNC(create_func_mod)},
   { "MLINEFROMTEXT",	SYM(MLINEFROMTEXT),0,0},
   { "MPOINTFROMTEXT",	SYM(MPOINTFROMTEXT),0,0},
   { "MPOLYFROMTEXT",	SYM(MPOLYFROMTEXT),0,0},

sql/share/czech/errmsg.txt

@@ -254,3 +254,4 @@
 "Unknown prepared statement handler (%ld) given to %s",
 "Help database is corrupt or does not exist",
 "Cyclic reference on subqueries",
+"Converting column '%s' from %s to %s"

sql/share/danish/errmsg.txt

@@ -248,3 +248,4 @@
 "Unknown prepared statement handler (%ld) given to %s",
 "Help database is corrupt or does not exist",
 "Cyclic reference on subqueries",
+"Converting column '%s' from %s to %s"

sql/share/dutch/errmsg.txt

@@ -256,3 +256,4 @@
 "Unknown prepared statement handler (%ld) given to %s",
 "Help database is corrupt or does not exist",
 "Cyclic reference on subqueries",
+"Converting column '%s' from %s to %s"

sql/share/english/errmsg.txt

@@ -245,3 +245,4 @@
 "Unknown prepared statement handler (%ld) given to %s",
 "Help database is corrupt or does not exist",
 "Cyclic reference on subqueries",
+"Converting column '%s' from %s to %s"

sql/share/estonian/errmsg.txt

@@ -250,3 +250,4 @@
 "Unknown prepared statement handler (%ld) given to %s",
 "Help database is corrupt or does not exist",
 "Cyclic reference on subqueries",
+"Converting column '%s' from %s to %s"

sql/share/french/errmsg.txt

@@ -245,3 +245,4 @@
 "Unknown prepared statement handler (%ld) given to %s",
 "Help database is corrupt or does not exist",
 "Cyclic reference on subqueries",
+"Converting column '%s' from %s to %s"

sql/share/german/errmsg.txt

@@ -248,3 +248,4 @@
 "Unknown prepared statement handler (%ld) given to %s",
 "Help database is corrupt or does not exist",
 "Cyclic reference on subqueries",
+"Converting column '%s' from %s to %s"

sql/share/greek/errmsg.txt

@@ -245,3 +245,4 @@
 "Unknown prepared statement handler (%ld) given to %s",
 "Help database is corrupt or does not exist",
 "Cyclic reference on subqueries",
+"Converting column '%s' from %s to %s"

sql/share/hungarian/errmsg.txt

@@ -247,3 +247,4 @@
 "Unknown prepared statement handler (%ld) given to %s",
 "Help database is corrupt or does not exist",
 "Cyclic reference on subqueries",
+"Converting column '%s' from %s to %s"

sql/share/italian/errmsg.txt

@@ -245,3 +245,4 @@
 "Unknown prepared statement handler (%ld) given to %s",
 "Help database is corrupt or does not exist",
 "Cyclic reference on subqueries",
+"Converting column '%s' from %s to %s"

sql/share/japanese/errmsg.txt

@@ -247,3 +247,4 @@
 "Unknown prepared statement handler (%ld) given to %s",
 "Help database is corrupt or does not exist",
 "Cyclic reference on subqueries",
+"Converting column '%s' from %s to %s"

sql/share/korean/errmsg.txt

@@ -245,3 +245,4 @@
 "Unknown prepared statement handler (%ld) given to %s",
 "Help database is corrupt or does not exist",
 "Cyclic reference on subqueries",
+"Converting column '%s' from %s to %s"

sql/share/norwegian-ny/errmsg.txt

@@ -247,3 +247,4 @@
 "Unknown prepared statement handler (%ld) given to %s",
 "Help database is corrupt or does not exist",
 "Cyclic reference on subqueries",
+"Converting column '%s' from %s to %s"

sql/share/norwegian/errmsg.txt

@@ -247,3 +247,4 @@
 "Unknown prepared statement handler (%ld) given to %s",
 "Help database is corrupt or does not exist",
 "Cyclic reference on subqueries",
+"Converting column '%s' from %s to %s"

sql/share/polish/errmsg.txt

@@ -249,3 +249,4 @@
 "Unknown prepared statement handler (%ld) given to %s",
 "Help database is corrupt or does not exist",
 "Cyclic reference on subqueries",
+"Converting column '%s' from %s to %s"

sql/share/portuguese/errmsg.txt

@@ -245,3 +245,4 @@
 "Unknown prepared statement handler (%ld) given to %s",
 "Help database is corrupt or does not exist",
 "Cyclic reference on subqueries",
+"Converting column '%s' from %s to %s"

sql/share/romanian/errmsg.txt

@@ -249,3 +249,4 @@
 "Unknown prepared statement handler (%ld) given to %s",
 "Help database is corrupt or does not exist",
 "Cyclic reference on subqueries",
+"Converting column '%s' from %s to %s"

sql/share/russian/errmsg.txt

@@ -248,3 +248,4 @@
 "Unknown prepared statement handler (%ld) given to %s",
 "Help database is corrupt or does not exist",
 "   ",
+"Converting column '%s' from %s to %s"

sql/share/serbian/errmsg.txt

@@ -241,3 +241,4 @@
 "Unknown prepared statement handler (%ld) given to %s",
 "Help database is corrupt or does not exist",
 "Cyclic reference on subqueries",
+"Converting column '%s' from %s to %s"

sql/share/slovak/errmsg.txt

@@ -253,3 +253,4 @@
 "Unknown prepared statement handler (%ld) given to %s",
 "Help database is corrupt or does not exist",
 "Cyclic reference on subqueries",
+"Converting column '%s' from %s to %s"

sql/share/spanish/errmsg.txt

@@ -246,3 +246,4 @@
 "Unknown prepared statement handler (%ld) given to %s",
 "Help database is corrupt or does not exist",
 "Cyclic reference on subqueries",
+"Converting column '%s' from %s to %s"

sql/share/swedish/errmsg.txt

@@ -229,19 +229,20 @@
 "Option '%s' användes två gånger",
 "Användare '%-.64s' har överskridit '%s' (nuvarande värde: %ld)",
 "Du har inte privlegiet '%-.128s' som behövs för denna operation",
-"Variable '%-.64s' is a LOCAL variable and can't be used with SET GLOBAL",
-"Variable '%-.64s' is a GLOBAL variable and should be set with SET GLOBAL",
-"Variable '%-.64s' doesn't have a default value",
-"Variable '%-.64s' can't be set to the value of '%-.64s'",
-"Wrong argument type to variable '%-.64s'",
-"Variable '%-.64s' can only be set, not read",
-"Wrong usage/placement of '%s'",
-"This version of MySQL doesn't yet support '%s'",
-"Got fatal error %d: '%-.128s' from master when reading data from binary log",
-"Wrong foreign key definition for '%-.64s': %s",
-"Key reference and table reference doesn't match",
-"Subselect returns more than 1 field",
-"Subselect returns more than 1 record",
-"Unknown prepared statement handler (%ld) given to %s",
-"Help database is corrupt or does not exist",
-"Cyclic reference on subqueries",
+"Variable '%-.64s' är en LOCAL variabel och kan inte ändrad med SET GLOBAL",
+"Variable '%-.64s' är en GLOBAL variabel och bör sättas med SET GLOBAL",
+"Variable '%-.64s' har inte ett DEFAULT värde",
+"Variable '%-.64s' kan inte be satt till '%-.64s'",
+"Fel typ av argument till variabel '%-.64s'",
+"Variabeln '%-.64s' kan endast sättas, inte läsas",
+"Fel använding/placering av '%s'",
+"Denna version av MySQL kan inte utföra '%s'",
+"Fick fatalt fel %d: '%-.128s' från master vid läsning av binär loggen",
+"Felaktig FOREIGN KEY definition för '%-.64s': %s",
+"Nyckel referensen och table referensen stämmer inte överens",
+"Subselect returnerade mer än 1 fält",
+"Subselect returnerade mer än 1 rad",
+"Okänd PREPARED STATEMENT id (%ld) var given till %s",
+"Hjälp databasen finns inte eller är skadad",
+"Syklisk referens i subselect",
+"Konvertar kolumn '%s' från %s till %s"

sql/share/ukrainian/errmsg.txt

@@ -250,3 +250,4 @@
 "Unknown prepared statement handler (%ld) given to %s",
 "Help database is corrupt or does not exist",
 "i   i",
+"Converting column '%s' from %s to %s"

sql/sql_class.cc

@@ -107,6 +107,7 @@ THD::THD():user_time(0), fatal_error(0),
   slave_proxy_id = 0;
   file_id = 0;
   cond_count=0;
+  warn_id= 0;
   db_charset=default_charset_info;
   thd_charset=default_charset_info;
   mysys_var=0;

sql/sql_class.h

@@ -486,7 +486,7 @@ public:
   List	     <MYSQL_ERROR> warn_list;  
   uint	     warn_count[(uint) MYSQL_ERROR::WARN_LEVEL_END];
   uint	     total_warn_count, old_total_warn_count;
-  ulong	     query_id, version, options, thread_id, col_access;
+  ulong	     query_id, warn_id, version, options, thread_id, col_access;
   ulong      current_stmt_id;
   long	     dbug_thread_id;
   pthread_t  real_id;

sql/sql_error.cc

@@ -51,13 +51,22 @@ This file contains the implementation of error and warnings related
   SYNOPSIS
     mysql_reset_errors()
     thd			Thread handle
+
+  IMPLEMENTATION
+    Don't reset warnings if this has already been called for this query.
+    This may happen if one gets a warning during the parsing stage,
+    in which case push_warnings() has already called this function.
 */  
 
 void mysql_reset_errors(THD *thd)
 {
+  if (thd->query_id != thd->warn_id)
+  {
+    thd->warn_id= thd->query_id;
     free_root(&thd->warn_root,MYF(0));
     bzero((char*) thd->warn_count, sizeof(thd->warn_count));
     thd->warn_list.empty();
+  }
 }
 
 
@@ -75,6 +84,9 @@ void mysql_reset_errors(THD *thd)
 void push_warning(THD *thd, MYSQL_ERROR::enum_warning_level level, uint code,
 		  const char *msg)
 {
+  if (thd->query_id != thd->warn_id)
+    mysql_reset_errors(thd);
+
   if (thd->warn_list.elements < thd->variables.max_error_count)
   {
     /*

sql/sql_lex.cc

@@ -856,8 +856,7 @@ int yylex(void *arg)
       lex->next_state=STATE_END;
       return(0);			// We found end of input last time
       
-      // Actually real shouldn't start
-      // with . but allow them anyhow
+      /* Actually real shouldn't start with . but allow them anyhow */
     case STATE_REAL_OR_POINT:
       if (my_isdigit(system_charset_info,yyPeek()))
 	state = STATE_REAL;		// Real

sql/sql_parse.cc

@@ -3026,6 +3026,7 @@ bool add_field_to_list(char *field_name, enum_field_types type,
   THD	*thd=current_thd;
   LEX  *lex= &thd->lex;
   uint allowed_type_modifier=0;
+  char warn_buff[MYSQL_ERRMSG_SIZE];
   DBUG_ENTER("add_field_to_list");
 
   if (strlen(field_name) > NAME_LEN)
@@ -3117,8 +3118,6 @@ bool add_field_to_list(char *field_name, enum_field_types type,
     if (!length) new_field->length=20;
     allowed_type_modifier= AUTO_INCREMENT_FLAG;
     break;
-  case FIELD_TYPE_STRING:
-  case FIELD_TYPE_VAR_STRING:
   case FIELD_TYPE_NULL:
   case FIELD_TYPE_GEOMETRY:
     break;
@@ -3129,10 +3128,35 @@ bool add_field_to_list(char *field_name, enum_field_types type,
     if (new_field->decimals)
       new_field->length++;
     break;
+  case FIELD_TYPE_STRING:
+  case FIELD_TYPE_VAR_STRING:
+    if (new_field->length < MAX_FIELD_WIDTH || default_value)
+      break;
+    /* Convert long CHAR() and VARCHAR columns to TEXT or BLOB */
+    new_field->sql_type= FIELD_TYPE_BLOB;
+    sprintf(warn_buff, ER(ER_AUTO_CONVERT), field_name, "CHAR",
+	    (cs == my_charset_bin) ? "BLOB" : "TEXT");
+    push_warning(thd, MYSQL_ERROR::WARN_LEVEL_WARN, ER_AUTO_CONVERT,
+		 warn_buff);
+    /* fall through */
   case FIELD_TYPE_BLOB:
   case FIELD_TYPE_TINY_BLOB:
   case FIELD_TYPE_LONG_BLOB:
   case FIELD_TYPE_MEDIUM_BLOB:
+    if (new_field->length)
+    {
+      /* The user has given a length to the blob column */
+      if (new_field->length < 256)
+	type= FIELD_TYPE_TINY_BLOB;
+      if (new_field->length < 65536)
+	type= FIELD_TYPE_BLOB;
+      else if (new_field->length < 256L*256L*256L)
+	type= FIELD_TYPE_MEDIUM_BLOB;
+      else
+	type= FIELD_TYPE_LONG_BLOB;
+      new_field->length= 0;
+    }
+    new_field->sql_type= type;
     if (default_value)				// Allow empty as default value
     {
       String str,*res;

sql/sql_yacc.yy

@@ -86,6 +86,7 @@ bool my_yyoverflow(short **a, YYSTYPE **b,int *yystacksize);
 %token NEXT_SYM
 %token PREV_SYM
 
+%token	DIV_SYM
 %token	EQ
 %token	EQUAL_SYM
 %token	GE
@@ -94,6 +95,7 @@ bool my_yyoverflow(short **a, YYSTYPE **b,int *yystacksize);
 %token	LT
 %token	NE
 %token	IS
+%token	MOD_SYM
 %token	SHIFT_LEFT
 %token	SHIFT_RIGHT
 %token  SET_VAR
@@ -115,6 +117,7 @@ bool my_yyoverflow(short **a, YYSTYPE **b,int *yystacksize);
 %token	CROSS
 %token  CUBE_SYM
 %token	DELETE_SYM
+%token	DUAL_SYM
 %token	DO_SYM
 %token	DROP
 %token	EVENTS_SYM
@@ -200,6 +203,7 @@ bool my_yyoverflow(short **a, YYSTYPE **b,int *yystacksize);
 %token	ESCAPE_SYM
 %token	EXISTS
 %token	EXTENDED_SYM
+%token	FALSE_SYM
 %token	FILE_SYM
 %token	FIRST_SYM
 %token	FIXED_SYM
@@ -334,6 +338,7 @@ bool my_yyoverflow(short **a, YYSTYPE **b,int *yystacksize);
 %token	TO_SYM
 %token	TRAILING
 %token	TRANSACTION_SYM
+%token	TRUE_SYM
 %token	TYPE_SYM
 %token  TYPES_SYM
 %token	FUNC_ARG0
@@ -519,7 +524,7 @@ bool my_yyoverflow(short **a, YYSTYPE **b,int *yystacksize);
 %left	'&'
 %left	SHIFT_LEFT SHIFT_RIGHT
 %left	'-' '+'
-%left	'*' '/' '%'
+%left	'*' '/' '%' DIV_SYM MOD_SYM
 %left	NEG '~'
 %left   XOR
 %left   '^'
@@ -542,7 +547,7 @@ bool my_yyoverflow(short **a, YYSTYPE **b,int *yystacksize);
 	table_ident references
 
 %type <simple_string>
-	remember_name remember_end opt_len opt_ident opt_db text_or_password
+	remember_name remember_end opt_ident opt_db text_or_password
 	opt_escape
 
 %type <string>
@@ -642,12 +647,13 @@ bool my_yyoverflow(short **a, YYSTYPE **b,int *yystacksize);
 	handler_rkey_function handler_read_or_scan
 	single_multi table_wild_list table_wild_one opt_wild union union_list
 	precision union_option opt_on_delete_item subselect_start opt_and
-	subselect_end select_var_list select_var_list_init help
+	subselect_end select_var_list select_var_list_init help opt_len
 END_OF_INPUT
 
 %type <NONE>
 	'-' '+' '*' '/' '%' '(' ')'
-	',' '!' '{' '}' '&' '|' AND OR OR_OR_CONCAT BETWEEN_SYM CASE_SYM THEN_SYM WHEN_SYM
+	',' '!' '{' '}' '&' '|' AND OR OR_OR_CONCAT BETWEEN_SYM CASE_SYM
+	THEN_SYM WHEN_SYM DIV_SYM MOD_SYM
 %%
 
 
@@ -1039,7 +1045,7 @@ field_spec:
 	};
 
 type:
-	int_type opt_len field_options	{ Lex->length=$2; $$=$1; }
+	int_type opt_len field_options	{ $$=$1; }
 	| real_type opt_precision field_options { $$=$1; }
 	| FLOAT_SYM float_options field_options { $$=FIELD_TYPE_FLOAT; }
 	| BIT_SYM opt_len		{ Lex->length=(char*) "1";
@@ -1058,7 +1064,7 @@ type:
 	| VARBINARY '(' NUM ')' 	{ Lex->length=$3.str;
 					  Lex->charset=my_charset_bin;
 					  $$=FIELD_TYPE_VAR_STRING; }
-	| YEAR_SYM opt_len field_options { $$=FIELD_TYPE_YEAR; Lex->length=$2; }
+	| YEAR_SYM opt_len field_options { $$=FIELD_TYPE_YEAR; }
 	| DATE_SYM			{ $$=FIELD_TYPE_DATE; }
 	| TIME_SYM			{ $$=FIELD_TYPE_TIME; }
 	| TIMESTAMP
@@ -1073,7 +1079,7 @@ type:
 	| DATETIME			{ $$=FIELD_TYPE_DATETIME; }
 	| TINYBLOB			{ Lex->charset=my_charset_bin;
 					  $$=FIELD_TYPE_TINY_BLOB; }
-	| BLOB_SYM			{ Lex->charset=my_charset_bin;
+	| BLOB_SYM opt_len		{ Lex->charset=my_charset_bin;
 					  $$=FIELD_TYPE_BLOB; }
 	| GEOMETRY_SYM			{ Lex->charset=my_charset_bin;
 					  $$=FIELD_TYPE_GEOMETRY; }
@@ -1085,13 +1091,15 @@ type:
 					  $$=FIELD_TYPE_MEDIUM_BLOB; }
 	| LONG_SYM varchar opt_binary	{ $$=FIELD_TYPE_MEDIUM_BLOB; }
 	| TINYTEXT opt_binary		{ $$=FIELD_TYPE_TINY_BLOB; }
-	| TEXT_SYM opt_binary		{ $$=FIELD_TYPE_BLOB; }
+	| TEXT_SYM opt_len opt_binary	{ $$=FIELD_TYPE_BLOB; }
 	| MEDIUMTEXT opt_binary		{ $$=FIELD_TYPE_MEDIUM_BLOB; }
 	| LONGTEXT opt_binary		{ $$=FIELD_TYPE_LONG_BLOB; }
 	| DECIMAL_SYM float_options field_options
 					{ $$=FIELD_TYPE_DECIMAL;}
 	| NUMERIC_SYM float_options field_options
 					{ $$=FIELD_TYPE_DECIMAL;}
+	| FIXED_SYM float_options field_options
+					{ $$=FIELD_TYPE_DECIMAL;}
 	| ENUM {Lex->interval_list.empty();} '(' string_list ')' opt_binary
 	  {
 	    LEX *lex=Lex;
@@ -1104,9 +1112,7 @@ type:
 	    lex->interval=typelib(lex->interval_list);
 	    $$=FIELD_TYPE_SET;
 	  }
-	| LONG_SYM			{ $$=FIELD_TYPE_MEDIUM_BLOB; }
-	| LONG_SYM BINARY		{ Lex->charset=my_charset_bin;
-					  $$=FIELD_TYPE_MEDIUM_BLOB; }
+	| LONG_SYM opt_binary		{ $$=FIELD_TYPE_MEDIUM_BLOB; }
 	;
 
 char:
@@ -1160,8 +1166,8 @@ field_option:
 	| ZEROFILL	{ Lex->type|= UNSIGNED_FLAG | ZEROFILL_FLAG; };
 
 opt_len:
-	/* empty */	{ $$=(char*) 0; }	/* use default length */
-	| '(' NUM ')'	{ $$=$2.str; };
+	/* empty */	{ Lex->length=(char*) 0; } /* use default length */
+	| '(' NUM ')'	{ Lex->length= $2.str; };
 
 opt_precision:
 	/* empty */	{}
@@ -1629,6 +1635,7 @@ select_part2:
 select_into:
 	limit_clause {}
 	| select_from
+	| FROM DUAL_SYM
         | opt_into
 	| opt_into select_from
 	| select_from opt_into;
@@ -1772,6 +1779,8 @@ expr_expr:
 	| expr '-' expr		{ $$= new Item_func_minus($1,$3); }
 	| expr '*' expr		{ $$= new Item_func_mul($1,$3); }
 	| expr '/' expr		{ $$= new Item_func_div($1,$3); }
+	| expr DIV_SYM expr	{ $$= new Item_func_int_div($1,$3); }
+	| expr MOD_SYM expr	{ $$= new Item_func_mod($1,$3); }
 	| expr '|' expr		{ $$= new Item_func_bit_or($1,$3); }
         | expr '^' expr		{ $$= new Item_func_bit_xor($1,$3); }	
 	| expr '&' expr		{ $$= new Item_func_bit_and($1,$3); }
@@ -1812,10 +1821,12 @@ no_in_expr:
 	| no_in_expr '-' expr		{ $$= new Item_func_minus($1,$3); }
 	| no_in_expr '*' expr		{ $$= new Item_func_mul($1,$3); }
 	| no_in_expr '/' expr		{ $$= new Item_func_div($1,$3); }
+	| no_in_expr DIV_SYM expr	{ $$= new Item_func_int_div($1,$3); }
 	| no_in_expr '|' expr		{ $$= new Item_func_bit_or($1,$3); }
         | no_in_expr '^' expr		{ $$= new Item_func_bit_xor($1,$3); }
 	| no_in_expr '&' expr		{ $$= new Item_func_bit_and($1,$3); }
 	| no_in_expr '%' expr		{ $$= new Item_func_mod($1,$3); }
+	| no_in_expr MOD_SYM expr	{ $$= new Item_func_mod($1,$3); }
 	| no_in_expr '+' INTERVAL_SYM expr interval
 	  { $$= new Item_date_add_interval($1,$4,$5,0); }
 	| no_in_expr '-' INTERVAL_SYM expr interval
@@ -1854,10 +1865,12 @@ no_and_expr:
 	| no_and_expr '-' expr		{ $$= new Item_func_minus($1,$3); }
 	| no_and_expr '*' expr		{ $$= new Item_func_mul($1,$3); }
 	| no_and_expr '/' expr		{ $$= new Item_func_div($1,$3); }
+	| no_and_expr DIV_SYM expr	{ $$= new Item_func_int_div($1,$3); }
 	| no_and_expr '|' expr		{ $$= new Item_func_bit_or($1,$3); }
         | no_and_expr '^' expr		{ $$= new Item_func_bit_xor($1,$3); }
 	| no_and_expr '&' expr		{ $$= new Item_func_bit_and($1,$3); }
 	| no_and_expr '%' expr		{ $$= new Item_func_mod($1,$3); }
+	| no_and_expr MOD_SYM expr	{ $$= new Item_func_mod($1,$3); }
 	| no_and_expr '+' INTERVAL_SYM expr interval
 	  { $$= new Item_date_add_interval($1,$4,$5,0); }
 	| no_and_expr '-' INTERVAL_SYM expr interval
@@ -1975,6 +1988,8 @@ simple_expr:
 		{ $$= new Item_func_export_set($3, $5, $7, $9); }
 	| EXPORT_SET '(' expr ',' expr ',' expr ',' expr ',' expr ')'
 		{ $$= new Item_func_export_set($3, $5, $7, $9, $11); }
+	| FALSE_SYM
+	  { $$= new Item_int((char*) "FALSE",0,1); }
 	| FORMAT_SYM '(' expr ',' NUM ')'
 	  { $$= new Item_func_format($3,atoi($5.str)); }
 	| FROM_UNIXTIME '(' expr ')'
@@ -2041,6 +2056,8 @@ simple_expr:
 	  { $$= new Item_func_geometry_from_text($3); }
 	| MINUTE_SYM '(' expr ')'
 	  { $$= new Item_func_minute($3); }
+	| MOD_SYM '(' expr ',' expr ')'
+	  { $$ = new Item_func_mod( $3, $5); }
 	| MONTH_SYM '(' expr ')'
 	  { $$= new Item_func_month($3); }
  	| MULTILINESTRING '(' expr_list ')'
@@ -2120,6 +2137,8 @@ simple_expr:
 	  { $$= new Item_func_trim($5,$3); }
 	| TRUNCATE_SYM '(' expr ',' expr ')'
 	  { $$= new Item_func_round($3,$5,1); }
+	| TRUE_SYM
+	  { $$= new Item_int((char*) "TRUE",1,1); }
 	| UDA_CHAR_SUM '(' udf_expr_list ')'
 	  {
 	    if ($3 != NULL)
@@ -3533,6 +3552,7 @@ keyword:
 	| DIRECTORY_SYM		{}
 	| DO_SYM		{}
 	| DUMPFILE		{}
+	| DUAL_SYM		{}
 	| DYNAMIC_SYM		{}
 	| END			{}
 	| ENUM			{}