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Message #10530
MDEV-12303 Add Type_handler::Item_xxx_fix_length_and_dec()
Hello Alexey,
Can you please review a patch for MDEV-12303?
Thanks!
diff --git a/mysql-test/r/gis.result b/mysql-test/r/gis.result
index 484d2ba..f3e96f6 100644
--- a/mysql-test/r/gis.result
+++ b/mysql-test/r/gis.result
@@ -3778,5 +3778,64 @@ SELECT STDDEV(COALESCE(a)) FROM t1;
ERROR HY000: Illegal parameter data type geometry for operation 'std('
DROP TABLE t1;
#
+# MDEV-12303 Add Type_handler::Item_xxx_fix_length_and_dec() for CAST classes
+#
+CREATE TABLE t1 (a GEOMETRY);
+SELECT CAST(POINT(1,1) AS SIGNED) FROM t1;
+ERROR HY000: Illegal parameter data type geometry for operation 'cast_as_signed'
+SELECT CAST(POINT(1,1) AS UNSIGNED) FROM t1;
+ERROR HY000: Illegal parameter data type geometry for operation 'cast_as_unsigned'
+SELECT CAST(POINT(1,1) AS DOUBLE) FROM t1;
+ERROR HY000: Illegal parameter data type geometry for operation 'double_typecast'
+SELECT CAST(POINT(1,1) AS DECIMAL(10,1)) FROM t1;
+ERROR HY000: Illegal parameter data type geometry for operation 'decimal_typecast'
+SELECT CAST(POINT(1,1) AS CHAR) FROM t1;
+ERROR HY000: Illegal parameter data type geometry for operation 'cast_as_char'
+SELECT CAST(POINT(1,1) AS TIME) FROM t1;
+ERROR HY000: Illegal parameter data type geometry for operation 'cast_as_time'
+SELECT CAST(POINT(1,1) AS DATE) FROM t1;
+ERROR HY000: Illegal parameter data type geometry for operation 'cast_as_date'
+SELECT CAST(POINT(1,1) AS DATETIME) FROM t1;
+ERROR HY000: Illegal parameter data type geometry for operation 'cast_as_datetime'
+SELECT CAST(a AS SIGNED) FROM t1;
+ERROR HY000: Illegal parameter data type geometry for operation 'cast_as_signed'
+SELECT CAST(a AS UNSIGNED) FROM t1;
+ERROR HY000: Illegal parameter data type geometry for operation 'cast_as_unsigned'
+SELECT CAST(a AS DOUBLE) FROM t1;
+ERROR HY000: Illegal parameter data type geometry for operation 'double_typecast'
+SELECT CAST(a AS DECIMAL(10,1)) FROM t1;
+ERROR HY000: Illegal parameter data type geometry for operation 'decimal_typecast'
+SELECT CAST(a AS CHAR) FROM t1;
+ERROR HY000: Illegal parameter data type geometry for operation 'cast_as_char'
+SELECT CAST(a AS TIME) FROM t1;
+ERROR HY000: Illegal parameter data type geometry for operation 'cast_as_time'
+SELECT CAST(a AS DATE) FROM t1;
+ERROR HY000: Illegal parameter data type geometry for operation 'cast_as_date'
+SELECT CAST(a AS DATETIME) FROM t1;
+ERROR HY000: Illegal parameter data type geometry for operation 'cast_as_datetime'
+SELECT CAST(COALESCE(a) AS SIGNED) FROM t1;
+ERROR HY000: Illegal parameter data type geometry for operation 'cast_as_signed'
+SELECT CAST(COALESCE(a) AS UNSIGNED) FROM t1;
+ERROR HY000: Illegal parameter data type geometry for operation 'cast_as_unsigned'
+SELECT CAST(COALESCE(a) AS DOUBLE) FROM t1;
+ERROR HY000: Illegal parameter data type geometry for operation 'double_typecast'
+SELECT CAST(COALESCE(a) AS DECIMAL(10,1)) FROM t1;
+ERROR HY000: Illegal parameter data type geometry for operation 'decimal_typecast'
+SELECT CAST(COALESCE(a) AS CHAR) FROM t1;
+ERROR HY000: Illegal parameter data type geometry for operation 'cast_as_char'
+SELECT CAST(COALESCE(a) AS TIME) FROM t1;
+ERROR HY000: Illegal parameter data type geometry for operation 'cast_as_time'
+SELECT CAST(COALESCE(a) AS DATE) FROM t1;
+ERROR HY000: Illegal parameter data type geometry for operation 'cast_as_date'
+SELECT CAST(COALESCE(a) AS DATETIME) FROM t1;
+ERROR HY000: Illegal parameter data type geometry for operation 'cast_as_datetime'
+SELECT LENGTH(CAST(POINT(1,1) AS BINARY)) FROM t1;
+LENGTH(CAST(POINT(1,1) AS BINARY))
+SELECT LENGTH(CAST(a AS BINARY)) FROM t1;
+LENGTH(CAST(a AS BINARY))
+SELECT LENGTH(CAST(COALESCE(a) AS BINARY)) FROM t1;
+LENGTH(CAST(COALESCE(a) AS BINARY))
+DROP TABLE t1;
+#
# End of 10.3 tests
#
diff --git a/mysql-test/t/gis.test b/mysql-test/t/gis.test
index 1d86a64..5d45fec 100644
--- a/mysql-test/t/gis.test
+++ b/mysql-test/t/gis.test
@@ -1952,6 +1952,69 @@ SELECT STDDEV(COALESCE(a)) FROM t1;
DROP TABLE t1;
+--echo #
+--echo # MDEV-12303 Add Type_handler::Item_xxx_fix_length_and_dec() for CAST classes
+--echo #
+
+CREATE TABLE t1 (a GEOMETRY);
+
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT CAST(POINT(1,1) AS SIGNED) FROM t1;
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT CAST(POINT(1,1) AS UNSIGNED) FROM t1;
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT CAST(POINT(1,1) AS DOUBLE) FROM t1;
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT CAST(POINT(1,1) AS DECIMAL(10,1)) FROM t1;
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT CAST(POINT(1,1) AS CHAR) FROM t1;
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT CAST(POINT(1,1) AS TIME) FROM t1;
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT CAST(POINT(1,1) AS DATE) FROM t1;
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT CAST(POINT(1,1) AS DATETIME) FROM t1;
+
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT CAST(a AS SIGNED) FROM t1;
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT CAST(a AS UNSIGNED) FROM t1;
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT CAST(a AS DOUBLE) FROM t1;
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT CAST(a AS DECIMAL(10,1)) FROM t1;
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT CAST(a AS CHAR) FROM t1;
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT CAST(a AS TIME) FROM t1;
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT CAST(a AS DATE) FROM t1;
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT CAST(a AS DATETIME) FROM t1;
+
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT CAST(COALESCE(a) AS SIGNED) FROM t1;
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT CAST(COALESCE(a) AS UNSIGNED) FROM t1;
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT CAST(COALESCE(a) AS DOUBLE) FROM t1;
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT CAST(COALESCE(a) AS DECIMAL(10,1)) FROM t1;
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT CAST(COALESCE(a) AS CHAR) FROM t1;
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT CAST(COALESCE(a) AS TIME) FROM t1;
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT CAST(COALESCE(a) AS DATE) FROM t1;
+--error ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION
+SELECT CAST(COALESCE(a) AS DATETIME) FROM t1;
+
+# CAST from GEOMETRY to BINARY is OK
+SELECT LENGTH(CAST(POINT(1,1) AS BINARY)) FROM t1;
+SELECT LENGTH(CAST(a AS BINARY)) FROM t1;
+SELECT LENGTH(CAST(COALESCE(a) AS BINARY)) FROM t1;
+
+DROP TABLE t1;
--echo #
--echo # End of 10.3 tests
diff --git a/sql/item_func.h b/sql/item_func.h
index f372ced..26c2a48 100644
--- a/sql/item_func.h
+++ b/sql/item_func.h
@@ -758,7 +758,7 @@ class Item_func_signed :public Item_int_func
null_value= args[0]->null_value;
return value;
}
- void fix_length_and_dec()
+ void fix_length_and_dec_generic()
{
uint32 char_length= MY_MIN(args[0]->max_char_length(),
MY_INT64_NUM_DECIMAL_DIGITS);
@@ -770,6 +770,10 @@ class Item_func_signed :public Item_int_func
set_if_bigger(char_length, 1U + (unsigned_flag ? 0 : 1));
fix_char_length(char_length);
}
+ void fix_length_and_dec()
+ {
+ args[0]->type_handler()->Item_func_signed_fix_length_and_dec(this);
+ }
virtual void print(String *str, enum_query_type query_type);
uint decimal_precision() const { return args[0]->decimal_precision(); }
bool need_parentheses_in_default() { return true; }
@@ -792,6 +796,10 @@ class Item_func_unsigned :public Item_func_signed
null_value= args[0]->null_value;
return value;
}
+ void fix_length_and_dec()
+ {
+ args[0]->type_handler()->Item_func_unsigned_fix_length_and_dec(this);
+ }
virtual void print(String *str, enum_query_type query_type);
Item *get_copy(THD *thd, MEM_ROOT *mem_root)
{ return get_item_copy<Item_func_unsigned>(thd, mem_root, this); }
@@ -815,7 +823,11 @@ class Item_decimal_typecast :public Item_func
my_decimal *val_decimal(my_decimal*);
enum Item_result result_type () const { return DECIMAL_RESULT; }
enum_field_types field_type() const { return MYSQL_TYPE_NEWDECIMAL; }
- void fix_length_and_dec() {}
+ void fix_length_and_dec_generic() {}
+ void fix_length_and_dec()
+ {
+ args[0]->type_handler()->Item_decimal_typecast_fix_length_and_dec(this);
+ }
const char *func_name() const { return "decimal_typecast"; }
virtual void print(String *str, enum_query_type query_type);
bool need_parentheses_in_default() { return true; }
@@ -835,7 +847,11 @@ class Item_double_typecast :public Item_real_func
}
double val_real();
enum_field_types field_type() const { return MYSQL_TYPE_DOUBLE; }
- void fix_length_and_dec() { maybe_null= 1; }
+ void fix_length_and_dec_generic() { maybe_null= 1; }
+ void fix_length_and_dec()
+ {
+ args[0]->type_handler()->Item_double_typecast_fix_length_and_dec(this);
+ }
const char *func_name() const { return "double_typecast"; }
virtual void print(String *str, enum_query_type query_type);
bool need_parentheses_in_default() { return true; }
diff --git a/sql/item_timefunc.cc b/sql/item_timefunc.cc
index 0a56478..174f8ff 100644
--- a/sql/item_timefunc.cc
+++ b/sql/item_timefunc.cc
@@ -2502,7 +2502,23 @@ String *Item_char_typecast::val_str(String *str)
}
-void Item_char_typecast::fix_length_and_dec()
+void Item_char_typecast::fix_length_and_dec_numeric()
+{
+ fix_length_and_dec_internal(from_cs= cast_cs->mbminlen == 1 ?
+ cast_cs :
+ &my_charset_latin1);
+}
+
+
+void Item_char_typecast::fix_length_and_dec_str()
+{
+ fix_length_and_dec_internal(from_cs= args[0]->dynamic_result() ?
+ 0 :
+ args[0]->collation.collation);
+}
+
+
+void Item_char_typecast::fix_length_and_dec_internal(CHARSET_INFO *from_cs)
{
uint32 char_length;
/*
@@ -2532,12 +2548,6 @@ void Item_char_typecast::fix_length_and_dec()
Note (TODO): we could use repertoire technique here.
*/
- from_cs= ((args[0]->result_type() == INT_RESULT ||
- args[0]->result_type() == DECIMAL_RESULT ||
- args[0]->result_type() == REAL_RESULT) ?
- (cast_cs->mbminlen == 1 ? cast_cs : &my_charset_latin1) :
- args[0]->dynamic_result() ? 0 :
- args[0]->collation.collation);
charset_conversion= !from_cs || (cast_cs->mbmaxlen > 1) ||
(!my_charset_same(from_cs, cast_cs) &&
from_cs != &my_charset_bin &&
diff --git a/sql/item_timefunc.h b/sql/item_timefunc.h
index 1014326..6ee5652 100644
--- a/sql/item_timefunc.h
+++ b/sql/item_timefunc.h
@@ -1037,14 +1037,21 @@ class Item_char_typecast :public Item_str_func
String *copy(String *src, CHARSET_INFO *cs);
uint adjusted_length_with_warn(uint length);
void check_truncation_with_warn(String *src, uint dstlen);
+ void fix_length_and_dec_internal(CHARSET_INFO *fromcs);
public:
Item_char_typecast(THD *thd, Item *a, uint length_arg, CHARSET_INFO *cs_arg):
Item_str_func(thd, a), cast_length(length_arg), cast_cs(cs_arg) {}
enum Functype functype() const { return CHAR_TYPECAST_FUNC; }
bool eq(const Item *item, bool binary_cmp) const;
const char *func_name() const { return "cast_as_char"; }
+ CHARSET_INFO *cast_charset() const { return cast_cs; }
String *val_str(String *a);
- void fix_length_and_dec();
+ void fix_length_and_dec_numeric();
+ void fix_length_and_dec_str();
+ void fix_length_and_dec()
+ {
+ args[0]->type_handler()->Item_char_typecast_fix_length_and_dec(this);
+ }
void print(String *str, enum_query_type query_type);
bool need_parentheses_in_default() { return true; }
Item *get_copy(THD *thd, MEM_ROOT *mem_root)
@@ -1058,7 +1065,7 @@ class Item_temporal_typecast: public Item_temporal_func
Item_temporal_typecast(THD *thd, Item *a): Item_temporal_func(thd, a) {}
virtual const char *cast_type() const = 0;
void print(String *str, enum_query_type query_type);
- void fix_length_and_dec()
+ void fix_length_and_dec_generic()
{
if (decimals == NOT_FIXED_DEC)
decimals= args[0]->temporal_precision(field_type());
@@ -1074,6 +1081,10 @@ class Item_date_typecast :public Item_temporal_typecast
bool get_date(MYSQL_TIME *ltime, ulonglong fuzzy_date);
const char *cast_type() const { return "date"; }
enum_field_types field_type() const { return MYSQL_TYPE_DATE; }
+ void fix_length_and_dec()
+ {
+ args[0]->type_handler()->Item_date_typecast_fix_length_and_dec(this);
+ }
Item *get_copy(THD *thd, MEM_ROOT *mem_root)
{ return get_item_copy<Item_date_typecast>(thd, mem_root, this); }
};
@@ -1088,6 +1099,10 @@ class Item_time_typecast :public Item_temporal_typecast
bool get_date(MYSQL_TIME *ltime, ulonglong fuzzy_date);
const char *cast_type() const { return "time"; }
enum_field_types field_type() const { return MYSQL_TYPE_TIME; }
+ void fix_length_and_dec()
+ {
+ args[0]->type_handler()->Item_time_typecast_fix_length_and_dec(this);
+ }
Item *get_copy(THD *thd, MEM_ROOT *mem_root)
{ return get_item_copy<Item_time_typecast>(thd, mem_root, this); }
};
@@ -1102,6 +1117,10 @@ class Item_datetime_typecast :public Item_temporal_typecast
const char *cast_type() const { return "datetime"; }
enum_field_types field_type() const { return MYSQL_TYPE_DATETIME; }
bool get_date(MYSQL_TIME *ltime, ulonglong fuzzy_date);
+ void fix_length_and_dec()
+ {
+ args[0]->type_handler()->Item_datetime_typecast_fix_length_and_dec(this);
+ }
Item *get_copy(THD *thd, MEM_ROOT *mem_root)
{ return get_item_copy<Item_datetime_typecast>(thd, mem_root, this); }
};
diff --git a/sql/sql_type.cc b/sql/sql_type.cc
index 7044f7e..76d07f8 100644
--- a/sql/sql_type.cc
+++ b/sql/sql_type.cc
@@ -164,6 +164,22 @@ CHARSET_INFO *Type_handler::charset_for_protocol(const Item *item) const
}
+bool
+Type_handler::Item_func_or_sum_illegal_param(const char *funcname) const
+{
+ my_error(ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION, MYF(0),
+ name().ptr(), funcname);
+ return true;
+}
+
+
+bool
+Type_handler::Item_func_or_sum_illegal_param(const Item_func_or_sum *it) const
+{
+ return Item_func_or_sum_illegal_param(it->func_name());
+}
+
+
CHARSET_INFO *
Type_handler_string_result::charset_for_protocol(const Item *item) const
{
@@ -1445,9 +1461,7 @@ bool Type_handler_string_result::
bool Type_handler_geometry::
Item_sum_sum_fix_length_and_dec(Item_sum_sum *item) const
{
- my_error(ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION, MYF(0),
- type_handler_geometry.name().ptr(), "sum");
- return false;
+ return Item_func_or_sum_illegal_param("sum");
}
#endif
@@ -1498,9 +1512,7 @@ bool Type_handler_string_result::
bool Type_handler_geometry::
Item_sum_avg_fix_length_and_dec(Item_sum_avg *item) const
{
- my_error(ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION, MYF(0),
- type_handler_geometry.name().ptr(), "avg");
- return false;
+ return Item_func_or_sum_illegal_param("avg");
}
#endif
@@ -1551,9 +1563,7 @@ bool Type_handler_string_result::
bool Type_handler_geometry::
Item_sum_variance_fix_length_and_dec(Item_sum_variance *item) const
{
- my_error(ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION, MYF(0),
- type_handler_geometry.name().ptr(), item->func_name());
- return false;
+ return Item_func_or_sum_illegal_param(item);
}
#endif
@@ -2369,9 +2379,7 @@ bool Type_handler_string_result::
bool Type_handler_geometry::
Item_func_round_fix_length_and_dec(Item_func_round *item) const
{
- my_error(ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION, MYF(0),
- type_handler_geometry.name().ptr(), item->func_name());
- return false;
+ return Item_func_or_sum_illegal_param(item);
}
#endif
@@ -2429,9 +2437,7 @@ bool Type_handler_string_result::
bool Type_handler_geometry::
Item_func_int_val_fix_length_and_dec(Item_func_int_val *item) const
{
- my_error(ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION, MYF(0),
- type_handler_geometry.name().ptr(), item->func_name());
- return true;
+ return Item_func_or_sum_illegal_param(item);
}
#endif
@@ -2489,9 +2495,7 @@ bool Type_handler_string_result::
bool Type_handler_geometry::
Item_func_abs_fix_length_and_dec(Item_func_abs *item) const
{
- my_error(ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION, MYF(0),
- type_handler_geometry.name().ptr(), item->func_name());
- return true;
+ return Item_func_or_sum_illegal_param(item);
}
#endif
@@ -2549,10 +2553,150 @@ bool Type_handler_string_result::
bool Type_handler_geometry::
Item_func_neg_fix_length_and_dec(Item_func_neg *item) const
{
- my_error(ER_ILLEGAL_PARAMETER_DATA_TYPE_FOR_OPERATION, MYF(0),
- type_handler_geometry.name().ptr(), item->func_name());
- return true;
+ return Item_func_or_sum_illegal_param(item);
}
#endif
+
+/***************************************************************************/
+
+bool Type_handler::
+ Item_func_signed_fix_length_and_dec(Item_func_signed *item) const
+{
+ item->fix_length_and_dec_generic();
+ return false;
+}
+
+
+bool Type_handler::
+ Item_func_unsigned_fix_length_and_dec(Item_func_unsigned *item) const
+{
+ item->fix_length_and_dec_generic();
+ return false;
+}
+
+
+bool Type_handler::
+ Item_double_typecast_fix_length_and_dec(Item_double_typecast *item) const
+{
+ item->fix_length_and_dec_generic();
+ return false;
+}
+
+
+bool Type_handler::
+ Item_decimal_typecast_fix_length_and_dec(Item_decimal_typecast *item) const
+{
+ item->fix_length_and_dec_generic();
+ return false;
+}
+
+
+bool Type_handler::
+ Item_char_typecast_fix_length_and_dec(Item_char_typecast *item) const
+{
+ item->fix_length_and_dec_str();
+ return false;
+}
+
+
+bool Type_handler_numeric::
+ Item_char_typecast_fix_length_and_dec(Item_char_typecast *item) const
+{
+ item->fix_length_and_dec_numeric();
+ return false;
+}
+
+
+bool Type_handler::
+ Item_time_typecast_fix_length_and_dec(Item_time_typecast *item) const
+{
+ item->fix_length_and_dec_generic();
+ return false;
+}
+
+
+bool Type_handler::
+ Item_date_typecast_fix_length_and_dec(Item_date_typecast *item) const
+{
+ item->fix_length_and_dec_generic();
+ return false;
+}
+
+
+bool Type_handler::
+ Item_datetime_typecast_fix_length_and_dec(Item_datetime_typecast *item)
+ const
+{
+ item->fix_length_and_dec_generic();
+ return false;
+
+}
+
+
+#ifdef HAVE_SPATIAL
+
+bool Type_handler_geometry::
+ Item_func_signed_fix_length_and_dec(Item_func_signed *item) const
+{
+ return Item_func_or_sum_illegal_param(item);
+}
+
+
+bool Type_handler_geometry::
+ Item_func_unsigned_fix_length_and_dec(Item_func_unsigned *item) const
+{
+ return Item_func_or_sum_illegal_param(item);
+}
+
+
+bool Type_handler_geometry::
+ Item_double_typecast_fix_length_and_dec(Item_double_typecast *item) const
+{
+ return Item_func_or_sum_illegal_param(item);
+}
+
+
+bool Type_handler_geometry::
+ Item_decimal_typecast_fix_length_and_dec(Item_decimal_typecast *item) const
+{
+ return Item_func_or_sum_illegal_param(item);
+}
+
+
+bool Type_handler_geometry::
+ Item_char_typecast_fix_length_and_dec(Item_char_typecast *item) const
+{
+ if (item->cast_charset() != &my_charset_bin)
+ return Item_func_or_sum_illegal_param(item); // CAST(geom AS CHAR)
+ item->fix_length_and_dec_str();
+ return false; // CAST(geom AS BINARY)
+}
+
+
+bool Type_handler_geometry::
+ Item_time_typecast_fix_length_and_dec(Item_time_typecast *item) const
+{
+ return Item_func_or_sum_illegal_param(item);
+}
+
+
+
+bool Type_handler_geometry::
+ Item_date_typecast_fix_length_and_dec(Item_date_typecast *item) const
+{
+ return Item_func_or_sum_illegal_param(item);
+}
+
+
+bool Type_handler_geometry::
+ Item_datetime_typecast_fix_length_and_dec(Item_datetime_typecast *item)
+ const
+{
+ return Item_func_or_sum_illegal_param(item);
+
+}
+
+#endif /* HAVE_SPATIAL */
+
/***************************************************************************/
diff --git a/sql/sql_type.h b/sql/sql_type.h
index 3ac9324..52b634c 100644
--- a/sql/sql_type.h
+++ b/sql/sql_type.h
@@ -27,6 +27,7 @@
class Field;
class Item;
class Item_cache;
+class Item_func_or_sum;
class Item_sum_hybrid;
class Item_sum_sum;
class Item_sum_avg;
@@ -42,6 +43,14 @@ class Item_func_round;
class Item_func_int_val;
class Item_func_abs;
class Item_func_neg;
+class Item_func_signed;
+class Item_func_unsigned;
+class Item_double_typecast;
+class Item_decimal_typecast;
+class Item_char_typecast;
+class Item_time_typecast;
+class Item_date_typecast;
+class Item_datetime_typecast;
class cmp_item;
class in_vector;
class Type_std_attributes;
@@ -273,6 +282,10 @@ class Type_handler
bool maybe_null, bool null_value,
bool unsigned_flag,
longlong value) const;
+ bool
+ Item_func_or_sum_illegal_param(const char *name) const;
+ bool
+ Item_func_or_sum_illegal_param(const Item_func_or_sum *) const;
public:
static const Type_handler *string_type_handler(uint max_octet_length);
static const Type_handler *get_handler_by_field_type(enum_field_types type);
@@ -467,6 +480,23 @@ class Type_handler
virtual bool
Item_func_neg_fix_length_and_dec(Item_func_neg *func) const= 0;
+
+ virtual bool
+ Item_func_signed_fix_length_and_dec(Item_func_signed *item) const;
+ virtual bool
+ Item_func_unsigned_fix_length_and_dec(Item_func_unsigned *item) const;
+ virtual bool
+ Item_double_typecast_fix_length_and_dec(Item_double_typecast *item) const;
+ virtual bool
+ Item_decimal_typecast_fix_length_and_dec(Item_decimal_typecast *item) const;
+ virtual bool
+ Item_char_typecast_fix_length_and_dec(Item_char_typecast *item) const;
+ virtual bool
+ Item_time_typecast_fix_length_and_dec(Item_time_typecast *item) const;
+ virtual bool
+ Item_date_typecast_fix_length_and_dec(Item_date_typecast *item) const;
+ virtual bool
+ Item_datetime_typecast_fix_length_and_dec(Item_datetime_typecast *item) const;
};
@@ -637,6 +667,47 @@ class Type_handler_row: public Type_handler
bool Item_func_int_val_fix_length_and_dec(Item_func_int_val *) const;
bool Item_func_abs_fix_length_and_dec(Item_func_abs *) const;
bool Item_func_neg_fix_length_and_dec(Item_func_neg *) const;
+
+ bool Item_func_signed_fix_length_and_dec(Item_func_signed *) const
+ {
+ DBUG_ASSERT(0);
+ return true;
+ }
+ bool Item_func_unsigned_fix_length_and_dec(Item_func_unsigned *) const
+ {
+ DBUG_ASSERT(0);
+ return true;
+ }
+ bool Item_double_typecast_fix_length_and_dec(Item_double_typecast *) const
+ {
+ DBUG_ASSERT(0);
+ return true;
+ }
+ bool Item_decimal_typecast_fix_length_and_dec(Item_decimal_typecast *) const
+ {
+ DBUG_ASSERT(0);
+ return true;
+ }
+ bool Item_char_typecast_fix_length_and_dec(Item_char_typecast *) const
+ {
+ DBUG_ASSERT(0);
+ return true;
+ }
+ bool Item_time_typecast_fix_length_and_dec(Item_time_typecast *) const
+ {
+ DBUG_ASSERT(0);
+ return true;
+ }
+ bool Item_date_typecast_fix_length_and_dec(Item_date_typecast *) const
+ {
+ DBUG_ASSERT(0);
+ return true;
+ }
+ bool Item_datetime_typecast_fix_length_and_dec(Item_datetime_typecast *) const
+ {
+ DBUG_ASSERT(0);
+ return true;
+ }
};
@@ -662,6 +733,7 @@ class Type_handler_numeric: public Type_handler
Item *target_expr, Item *target_value,
Item_bool_func2 *source,
Item *source_expr, Item *source_const) const;
+ bool Item_char_typecast_fix_length_and_dec(Item_char_typecast *) const;
};
@@ -1348,6 +1420,15 @@ class Type_handler_geometry: public Type_handler_string_result
bool Item_sum_sum_fix_length_and_dec(Item_sum_sum *) const;
bool Item_sum_avg_fix_length_and_dec(Item_sum_avg *) const;
bool Item_sum_variance_fix_length_and_dec(Item_sum_variance *) const;
+
+ bool Item_func_signed_fix_length_and_dec(Item_func_signed *) const;
+ bool Item_func_unsigned_fix_length_and_dec(Item_func_unsigned *) const;
+ bool Item_double_typecast_fix_length_and_dec(Item_double_typecast *) const;
+ bool Item_decimal_typecast_fix_length_and_dec(Item_decimal_typecast *) const;
+ bool Item_char_typecast_fix_length_and_dec(Item_char_typecast *) const;
+ bool Item_time_typecast_fix_length_and_dec(Item_time_typecast *) const;
+ bool Item_date_typecast_fix_length_and_dec(Item_date_typecast *) const;
+ bool Item_datetime_typecast_fix_length_and_dec(Item_datetime_typecast *) const;
};
extern Type_handler_geometry type_handler_geometry;