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Commit b6851095 authored by Alexander Barkov's avatar Alexander Barkov
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MDEV-19710 Split the server side code in rpl_utility.cc into virtual methods in Type_handler

parent 9d6d37b5
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Showing with 1389 additions and 997 deletions
libmysqld/CMakeLists.txt
View file @ b6851095
......@@ -101,7 +101,9 @@ SET(SQL_EMBEDDED_SOURCES emb_qcache.cc libmysqld.c lib_sql.cc
../sql/multi_range_read.cc
../sql/opt_index_cond_pushdown.cc
../sql/opt_subselect.cc
../sql/create_options.cc ../sql/rpl_utility.cc
../sql/create_options.cc
../sql/rpl_utility.cc
../sql/rpl_utility_server.cc
../sql/rpl_reporting.cc
../sql/sql_expression_cache.cc
../sql/my_apc.cc ../sql/my_apc.h
......
mysql-test/suite/rpl/r/rpl_extra_col_master_innodb.result
View file @ b6851095
......@@ -510,7 +510,7 @@ INSERT INTO t11 () VALUES(1,@b1,'Testing is fun','Kyle',DEFAULT),
connection slave;
include/wait_for_slave_sql_error_and_skip.inc [errno=1677]
Last_SQL_Error = 'Column 2 of table 'test.t11' cannot be converted from type 'tinyblob' to type 'varchar(254)''
Last_SQL_Error = 'Column 2 of table 'test.t11' cannot be converted from type 'blob' to type 'varchar(254)''
*** Drop t11 ***
connection master;
......
mysql-test/suite/rpl/r/rpl_extra_col_master_myisam.result
View file @ b6851095
......@@ -510,7 +510,7 @@ INSERT INTO t11 () VALUES(1,@b1,'Testing is fun','Kyle',DEFAULT),
connection slave;
include/wait_for_slave_sql_error_and_skip.inc [errno=1677]
Last_SQL_Error = 'Column 2 of table 'test.t11' cannot be converted from type 'tinyblob' to type 'varchar(254)''
Last_SQL_Error = 'Column 2 of table 'test.t11' cannot be converted from type 'blob' to type 'varchar(254)''
*** Drop t11 ***
connection master;
......
mysql-test/suite/rpl/r/rpl_extra_col_slave_innodb.result
View file @ b6851095
......@@ -102,7 +102,7 @@ INSERT INTO t3 () VALUES(@b1,2,'Kyle, TEX'),(@b1,1,'JOE AUSTIN'),(@b1,4,'QA TEST
********************************************
connection slave;
include/wait_for_slave_sql_error_and_skip.inc [errno=1677]
Last_SQL_Error = 'Column 0 of table 'test.t3' cannot be converted from type 'tinyblob' to type 'int(11)''
Last_SQL_Error = 'Column 0 of table 'test.t3' cannot be converted from type 'blob' to type 'int(11)''
*** Drop t3 ***
connection master;
DROP TABLE t3;
......
mysql-test/suite/rpl/r/rpl_extra_col_slave_myisam.result
View file @ b6851095
......@@ -102,7 +102,7 @@ INSERT INTO t3 () VALUES(@b1,2,'Kyle, TEX'),(@b1,1,'JOE AUSTIN'),(@b1,4,'QA TEST
********************************************
connection slave;
include/wait_for_slave_sql_error_and_skip.inc [errno=1677]
Last_SQL_Error = 'Column 0 of table 'test.t3' cannot be converted from type 'tinyblob' to type 'int(11)''
Last_SQL_Error = 'Column 0 of table 'test.t3' cannot be converted from type 'blob' to type 'int(11)''
*** Drop t3 ***
connection master;
DROP TABLE t3;
......
mysql-test/suite/rpl/r/rpl_row_colSize.result
View file @ b6851095
......@@ -334,7 +334,7 @@ INSERT INTO t1 VALUES ('This is a test.');
connection slave;
START SLAVE;
include/wait_for_slave_sql_error.inc [errno=1677]
Last_SQL_Error = 'Column 0 of table 'test.t1' cannot be converted from type 'tinyblob' to type 'tinyblob''
Last_SQL_Error = 'Column 0 of table 'test.t1' cannot be converted from type 'longblob' to type 'tinyblob''
SELECT COUNT(*) FROM t1;
COUNT(*)
0
......
sql/CMakeLists.txt
View file @ b6851095
......@@ -111,7 +111,8 @@ SET (SQL_SOURCE
rpl_tblmap.cc sql_binlog.cc event_scheduler.cc event_data_objects.cc
event_queue.cc event_db_repository.cc
sql_tablespace.cc events.cc ../sql-common/my_user.c
partition_info.cc rpl_utility.cc rpl_injector.cc sql_locale.cc
partition_info.cc rpl_utility.cc rpl_utility_server.cc
rpl_injector.cc sql_locale.cc
rpl_rli.cc rpl_mi.cc sql_servers.cc sql_audit.cc
sql_connect.cc scheduler.cc sql_partition_admin.cc
sql_profile.cc event_parse_data.cc sql_alter.cc
......
sql/field.h
View file @ b6851095
......@@ -60,6 +60,46 @@ enum enum_check_fields
CHECK_FIELD_ERROR_FOR_NULL,
};
enum enum_conv_type
{
CONV_TYPE_PRECISE,
CONV_TYPE_VARIANT,
CONV_TYPE_SUBSET_TO_SUPERSET,
CONV_TYPE_SUPERSET_TO_SUBSET,
CONV_TYPE_IMPOSSIBLE
};
class Conv_param
{
uint16 m_table_def_flags;
public:
Conv_param(uint16 table_def_flags)
:m_table_def_flags(table_def_flags)
{ }
uint16 table_def_flags() const { return m_table_def_flags; }
};
class Conv_source: public Type_handler_hybrid_field_type
{
enum_field_types m_type;
uint16 m_metadata;
CHARSET_INFO *m_cs;
public:
Conv_source(const Type_handler *h, uint16 metadata, CHARSET_INFO *cs)
:Type_handler_hybrid_field_type(h),
m_metadata(metadata),
m_cs(cs)
{
DBUG_ASSERT(cs);
}
uint16 metadata() const { return m_metadata; }
uint mbmaxlen() const { return m_cs->mbmaxlen; }
};
/*
Common declarations for Field and Item
*/
......@@ -1085,6 +1125,17 @@ class Field: public Value_source
*/
return type();
}
/*
Conversion type for from the source to the current field.
*/
virtual enum_conv_type rpl_conv_type_from(const Conv_source &source,
const Relay_log_info *rli,
const Conv_param &param)
const= 0;
enum_conv_type rpl_conv_type_from_same_data_type(uint16 metadata,
const Relay_log_info *rli,
const Conv_param &param)
const;
inline int cmp(const uchar *str) { return cmp(ptr,str); }
virtual int cmp_max(const uchar *a, const uchar *b, uint max_len)
{ return cmp(a, b); }
......@@ -1940,7 +1991,9 @@ class Field_longstr :public Field_str
:Field_str(ptr_arg, len_arg, null_ptr_arg, null_bit_arg, unireg_check_arg,
field_name_arg, collation)
{}
enum_conv_type rpl_conv_type_from(const Conv_source &source,
const Relay_log_info *rli,
const Conv_param &param) const;
int store_decimal(const my_decimal *d);
uint32 max_data_length() const;
......@@ -1981,6 +2034,9 @@ class Field_real :public Field_num {
{
return do_field_real;
}
enum_conv_type rpl_conv_type_from(const Conv_source &source,
const Relay_log_info *rli,
const Conv_param &param) const;
Information_schema_numeric_attributes
information_schema_numeric_attributes() const
{
......@@ -2090,6 +2146,9 @@ class Field_new_decimal :public Field_num {
return Field_num::memcpy_field_possible(from) &&
field_length == from->field_length;
}
enum_conv_type rpl_conv_type_from(const Conv_source &source,
const Relay_log_info *rli,
const Conv_param &param) const;
int reset(void);
bool store_value(const my_decimal *decimal_value);
bool store_value(const my_decimal *decimal_value, int *native_error);
......@@ -2162,6 +2221,9 @@ class Field_int :public Field_num
:Field_num(ptr_arg, len_arg, null_ptr_arg, null_bit_arg,
unireg_check_arg, field_name_arg, 0, zero_arg, unsigned_arg)
{}
enum_conv_type rpl_conv_type_from(const Conv_source &source,
const Relay_log_info *rli,
const Conv_param &param) const;
int store_decimal(const my_decimal *);
my_decimal *val_decimal(my_decimal *);
bool val_bool() { return val_int() != 0; }
......@@ -2627,6 +2689,9 @@ class Field_null :public Field_str {
unireg_check_arg, field_name_arg, collation)
{}
const Type_handler *type_handler() const { return &type_handler_null; }
enum_conv_type rpl_conv_type_from(const Conv_source &source,
const Relay_log_info *rli,
const Conv_param &param) const;
Information_schema_character_attributes
information_schema_character_attributes() const
{
......@@ -2815,6 +2880,9 @@ class Field_timestamp :public Field_temporal {
TABLE_SHARE *share);
const Type_handler *type_handler() const { return &type_handler_timestamp; }
enum ha_base_keytype key_type() const { return HA_KEYTYPE_ULONG_INT; }
enum_conv_type rpl_conv_type_from(const Conv_source &source,
const Relay_log_info *rli,
const Conv_param &param) const;
Copy_func *get_copy_func(const Field *from) const;
int store(const char *to,size_t length,CHARSET_INFO *charset);
int store(double nr);
......@@ -2967,6 +3035,9 @@ class Field_timestampf :public Field_timestamp_with_dec {
{}
const Type_handler *type_handler() const { return &type_handler_timestamp2; }
enum_field_types binlog_type() const { return MYSQL_TYPE_TIMESTAMP2; }
enum_conv_type rpl_conv_type_from(const Conv_source &source,
const Relay_log_info *rli,
const Conv_param &param) const;
uint32 pack_length() const
{
return my_timestamp_binary_length(dec);
......@@ -3006,6 +3077,9 @@ class Field_year :public Field_tiny {
{
return field_length == 2 ? &type_handler_year2 : &type_handler_year;
}
enum_conv_type rpl_conv_type_from(const Conv_source &source,
const Relay_log_info *rli,
const Conv_param &param) const;
Copy_func *get_copy_func(const Field *from) const
{
if (eq_def(from))
......@@ -3088,6 +3162,9 @@ class Field_date :public Field_date_common
unireg_check_arg, field_name_arg) {}
const Type_handler *type_handler() const { return &type_handler_date; }
enum ha_base_keytype key_type() const { return HA_KEYTYPE_ULONG_INT; }
enum_conv_type rpl_conv_type_from(const Conv_source &source,
const Relay_log_info *rli,
const Conv_param &param) const;
int reset(void) { ptr[0]=ptr[1]=ptr[2]=ptr[3]=0; return 0; }
bool get_date(MYSQL_TIME *ltime, date_mode_t fuzzydate)
{ return Field_date::get_TIME(ltime, ptr, fuzzydate); }
......@@ -3125,6 +3202,9 @@ class Field_newdate :public Field_date_common
{}
const Type_handler *type_handler() const { return &type_handler_newdate; }
enum ha_base_keytype key_type() const { return HA_KEYTYPE_UINT24; }
enum_conv_type rpl_conv_type_from(const Conv_source &source,
const Relay_log_info *rli,
const Conv_param &param) const;
int reset(void) { ptr[0]=ptr[1]=ptr[2]=0; return 0; }
double val_real(void);
longlong val_int(void);
......@@ -3168,6 +3248,9 @@ class Field_time :public Field_temporal {
const Item_equal *item_equal);
const Type_handler *type_handler() const { return &type_handler_time; }
enum ha_base_keytype key_type() const { return HA_KEYTYPE_INT24; }
enum_conv_type rpl_conv_type_from(const Conv_source &source,
const Relay_log_info *rli,
const Conv_param &param) const;
Copy_func *get_copy_func(const Field *from) const
{
return from->cmp_type() == REAL_RESULT ? do_field_string : // MDEV-9344
......@@ -3280,6 +3363,9 @@ class Field_timef :public Field_time_with_dec {
}
const Type_handler *type_handler() const { return &type_handler_time2; }
enum_field_types binlog_type() const { return MYSQL_TYPE_TIME2; }
enum_conv_type rpl_conv_type_from(const Conv_source &source,
const Relay_log_info *rli,
const Conv_param &param) const;
uint32 pack_length() const
{
return my_time_binary_length(dec);
......@@ -3325,6 +3411,9 @@ class Field_datetime :public Field_temporal_with_date {
}
const Type_handler *type_handler() const { return &type_handler_datetime; }
enum ha_base_keytype key_type() const { return HA_KEYTYPE_ULONGLONG; }
enum_conv_type rpl_conv_type_from(const Conv_source &source,
const Relay_log_info *rli,
const Conv_param &param) const;
int store(const char *to, size_t length, CHARSET_INFO *charset);
int store(double nr);
int store(longlong nr, bool unsigned_val);
......@@ -3447,6 +3536,9 @@ class Field_datetimef :public Field_datetime_with_dec {
{}
const Type_handler *type_handler() const { return &type_handler_datetime2; }
enum_field_types binlog_type() const { return MYSQL_TYPE_DATETIME2; }
enum_conv_type rpl_conv_type_from(const Conv_source &source,
const Relay_log_info *rli,
const Conv_param &param) const;
uint32 pack_length() const
{
return my_datetime_binary_length(dec);
......@@ -4130,6 +4222,9 @@ class Field_geom :public Field_blob {
:Field_blob(ptr_arg, null_ptr_arg, null_bit_arg, unireg_check_arg,
field_name_arg, share, blob_pack_length, &my_charset_bin)
{ geom_type= geom_type_arg; srid= field_srid; }
enum_conv_type rpl_conv_type_from(const Conv_source &source,
const Relay_log_info *rli,
const Conv_param &param) const;
enum ha_base_keytype key_type() const { return HA_KEYTYPE_VARBINARY2; }
const Type_handler *type_handler() const
{
......@@ -4212,6 +4307,9 @@ class Field_enum :public Field_str {
Field *make_new_field(MEM_ROOT *root, TABLE *new_table, bool keep_type);
const Type_handler *type_handler() const { return &type_handler_enum; }
enum ha_base_keytype key_type() const;
enum_conv_type rpl_conv_type_from(const Conv_source &source,
const Relay_log_info *rli,
const Conv_param &param) const;
Copy_func *get_copy_func(const Field *from) const
{
if (eq_def(from))
......@@ -4365,6 +4463,9 @@ class Field_bit :public Field {
uint32 key_length() const { return (uint32) (field_length + 7) / 8; }
uint32 max_data_length() const { return (field_length + 7) / 8; }
uint32 max_display_length() const { return field_length; }
enum_conv_type rpl_conv_type_from(const Conv_source &source,
const Relay_log_info *rli,
const Conv_param &param) const;
Information_schema_numeric_attributes
information_schema_numeric_attributes() const
{
......@@ -4531,6 +4632,13 @@ class Field_row: public Field_null
m_table(NULL)
{}
~Field_row();
enum_conv_type rpl_conv_type_from(const Conv_source &source,
const Relay_log_info *rli,
const Conv_param &param) const
{
DBUG_ASSERT(0);
return CONV_TYPE_IMPOSSIBLE;
}
Virtual_tmp_table **virtual_tmp_table_addr() { return &m_table; }
bool sp_prepare_and_store_item(THD *thd, Item **value);
};
......
sql/rpl_utility.cc
View file @ b6851095
......@@ -19,185 +19,7 @@
#include "rpl_utility.h"
#include "log_event.h"
#if !defined(MYSQL_CLIENT) && defined(HAVE_REPLICATION)
#include "rpl_rli.h"
#include "sql_select.h"
/**
Calculate display length for MySQL56 temporal data types from their metadata.
It contains fractional precision in the low 16-bit word.
*/
static uint32
max_display_length_for_temporal2_field(uint32 int_display_length,
unsigned int metadata)
{
metadata&= 0x00ff;
return int_display_length + metadata + (metadata ? 1 : 0);
}
/**
Compute the maximum display length of a field.
@param sql_type Type of the field
@param metadata The metadata from the master for the field.
@return Maximum length of the field in bytes.
The precise values calculated by field->max_display_length() and
calculated by max_display_length_for_field() can differ (by +1 or -1)
for integer data types (TINYINT, SMALLINT, MEDIUMINT, INT, BIGINT).
This slight difference is not important here, because we call
this function only for two *different* integer data types.
*/
static uint32
max_display_length_for_field(enum_field_types sql_type, unsigned int metadata)
{
DBUG_PRINT("debug", ("sql_type: %d, metadata: 0x%x", sql_type, metadata));
DBUG_ASSERT(metadata >> 16 == 0);
switch (sql_type) {
case MYSQL_TYPE_NEWDECIMAL:
return metadata >> 8;
case MYSQL_TYPE_FLOAT:
return 12;
case MYSQL_TYPE_DOUBLE:
return 22;
case MYSQL_TYPE_SET:
case MYSQL_TYPE_ENUM:
return metadata & 0x00ff;
case MYSQL_TYPE_STRING:
{
uchar type= metadata >> 8;
if (type == MYSQL_TYPE_SET || type == MYSQL_TYPE_ENUM)
return metadata & 0xff;
else
/* This is taken from Field_string::unpack. */
return (((metadata >> 4) & 0x300) ^ 0x300) + (metadata & 0x00ff);
}
case MYSQL_TYPE_YEAR:
case MYSQL_TYPE_TINY:
return 4;
case MYSQL_TYPE_SHORT:
return 6;
case MYSQL_TYPE_INT24:
return 9;
case MYSQL_TYPE_LONG:
return 11;
#ifdef HAVE_LONG_LONG
case MYSQL_TYPE_LONGLONG:
return 20;
#endif
case MYSQL_TYPE_NULL:
return 0;
case MYSQL_TYPE_NEWDATE:
return 3;
case MYSQL_TYPE_DATE:
return 3;
case MYSQL_TYPE_TIME:
return MIN_TIME_WIDTH;
case MYSQL_TYPE_TIME2:
return max_display_length_for_temporal2_field(MIN_TIME_WIDTH, metadata);
case MYSQL_TYPE_TIMESTAMP:
return MAX_DATETIME_WIDTH;
case MYSQL_TYPE_TIMESTAMP2:
return max_display_length_for_temporal2_field(MAX_DATETIME_WIDTH, metadata);
case MYSQL_TYPE_DATETIME:
return MAX_DATETIME_WIDTH;
case MYSQL_TYPE_DATETIME2:
return max_display_length_for_temporal2_field(MAX_DATETIME_WIDTH, metadata);
case MYSQL_TYPE_BIT:
/*
Decode the size of the bit field from the master.
*/
DBUG_ASSERT((metadata & 0xff) <= 7);
return 8 * (metadata >> 8U) + (metadata & 0x00ff);
case MYSQL_TYPE_VAR_STRING:
case MYSQL_TYPE_VARCHAR:
return metadata;
case MYSQL_TYPE_VARCHAR_COMPRESSED:
return metadata - 1;
/*
The actual length for these types does not really matter since
they are used to calc_pack_length, which ignores the given
length for these types.
Since we want this to be accurate for other uses, we return the
maximum size in bytes of these BLOBs.
*/
case MYSQL_TYPE_TINY_BLOB:
return (uint32)my_set_bits(1 * 8);
case MYSQL_TYPE_MEDIUM_BLOB:
return (uint32)my_set_bits(3 * 8);
case MYSQL_TYPE_BLOB:
case MYSQL_TYPE_BLOB_COMPRESSED:
/*
For the blob type, Field::real_type() lies and say that all
blobs are of type MYSQL_TYPE_BLOB. In that case, we have to look
at the length instead to decide what the max display size is.
*/
return (uint32)my_set_bits(metadata * 8);
case MYSQL_TYPE_LONG_BLOB:
case MYSQL_TYPE_GEOMETRY:
return (uint32)my_set_bits(4 * 8);
default:
return ~(uint32) 0;
}
}
/*
Compare the pack lengths of a source field (on the master) and a
target field (on the slave).
@param field Target field.
@param type Source field type.
@param metadata Source field metadata.
@retval -1 The length of the source field is smaller than the target field.
@retval 0 The length of the source and target fields are the same.
@retval 1 The length of the source field is greater than the target field.
*/
int compare_lengths(Field *field, enum_field_types source_type, uint16 metadata)
{
DBUG_ENTER("compare_lengths");
size_t const source_length=
max_display_length_for_field(source_type, metadata);
size_t const target_length= field->max_display_length();
DBUG_PRINT("debug", ("source_length: %lu, source_type: %u,"
" target_length: %lu, target_type: %u",
(unsigned long) source_length, source_type,
(unsigned long) target_length, field->real_type()));
int result= source_length < target_length ? -1 : source_length > target_length;
DBUG_PRINT("result", ("%d", result));
DBUG_RETURN(result);
}
#endif //MYSQL_CLIENT
/*********************************************************************
* table_def member definitions *
*********************************************************************/
......@@ -349,739 +171,6 @@ uint32 table_def::calc_field_size(uint col, uchar *master_data) const
return length;
}
#if !defined(MYSQL_CLIENT) && defined(HAVE_REPLICATION)
/**
*/
void show_sql_type(enum_field_types type, uint16 metadata, String *str, CHARSET_INFO *field_cs)
{
DBUG_ENTER("show_sql_type");
DBUG_PRINT("enter", ("type: %d, metadata: 0x%x", type, metadata));
switch (type)
{
case MYSQL_TYPE_TINY:
str->set_ascii(STRING_WITH_LEN("tinyint"));
break;
case MYSQL_TYPE_SHORT:
str->set_ascii(STRING_WITH_LEN("smallint"));
break;
case MYSQL_TYPE_LONG:
str->set_ascii(STRING_WITH_LEN("int"));
break;
case MYSQL_TYPE_FLOAT:
str->set_ascii(STRING_WITH_LEN("float"));
break;
case MYSQL_TYPE_DOUBLE:
str->set_ascii(STRING_WITH_LEN("double"));
break;
case MYSQL_TYPE_NULL:
str->set_ascii(STRING_WITH_LEN("null"));
break;
case MYSQL_TYPE_TIMESTAMP:
case MYSQL_TYPE_TIMESTAMP2:
str->set_ascii(STRING_WITH_LEN("timestamp"));
break;
case MYSQL_TYPE_LONGLONG:
str->set_ascii(STRING_WITH_LEN("bigint"));
break;
case MYSQL_TYPE_INT24:
str->set_ascii(STRING_WITH_LEN("mediumint"));
break;
case MYSQL_TYPE_NEWDATE:
case MYSQL_TYPE_DATE:
str->set_ascii(STRING_WITH_LEN("date"));
break;
case MYSQL_TYPE_TIME:
case MYSQL_TYPE_TIME2:
str->set_ascii(STRING_WITH_LEN("time"));
break;
case MYSQL_TYPE_DATETIME:
case MYSQL_TYPE_DATETIME2:
str->set_ascii(STRING_WITH_LEN("datetime"));
break;
case MYSQL_TYPE_YEAR:
str->set_ascii(STRING_WITH_LEN("year"));
break;
case MYSQL_TYPE_VAR_STRING:
case MYSQL_TYPE_VARCHAR:
case MYSQL_TYPE_VARCHAR_COMPRESSED:
{
CHARSET_INFO *cs= str->charset();
size_t length=
cs->cset->snprintf(cs, (char*) str->ptr(), str->alloced_length(),
"varchar(%u)%s", metadata,
type == MYSQL_TYPE_VARCHAR_COMPRESSED ? " compressed"
: "");
str->length(length);
}
break;
case MYSQL_TYPE_BIT:
{
CHARSET_INFO *cs= str->charset();
int bit_length= 8 * (metadata >> 8) + (metadata & 0xFF);
size_t length=
cs->cset->snprintf(cs, (char*) str->ptr(), str->alloced_length(),
"bit(%d)", bit_length);
str->length(length);
}
break;
case MYSQL_TYPE_DECIMAL:
{
CHARSET_INFO *cs= str->charset();
size_t length=
cs->cset->snprintf(cs, (char*) str->ptr(), str->alloced_length(),
"decimal(%d,?)/*old*/", metadata);
str->length(length);
}
break;
case MYSQL_TYPE_NEWDECIMAL:
{
CHARSET_INFO *cs= str->charset();
size_t length=
cs->cset->snprintf(cs, (char*) str->ptr(), str->alloced_length(),
"decimal(%d,%d)", metadata >> 8, metadata & 0xff);
str->length(length);
}
break;
case MYSQL_TYPE_ENUM:
str->set_ascii(STRING_WITH_LEN("enum"));
break;
case MYSQL_TYPE_SET:
str->set_ascii(STRING_WITH_LEN("set"));
break;
case MYSQL_TYPE_BLOB:
case MYSQL_TYPE_BLOB_COMPRESSED:
/*
Field::real_type() lies regarding the actual type of a BLOB, so
it is necessary to check the pack length to figure out what kind
of blob it really is.
*/
switch (get_blob_type_from_length(metadata))
{
case MYSQL_TYPE_TINY_BLOB:
str->set_ascii(STRING_WITH_LEN("tinyblob"));
break;
case MYSQL_TYPE_MEDIUM_BLOB:
str->set_ascii(STRING_WITH_LEN("mediumblob"));
break;
case MYSQL_TYPE_LONG_BLOB:
str->set_ascii(STRING_WITH_LEN("longblob"));
break;
case MYSQL_TYPE_BLOB:
str->set_ascii(STRING_WITH_LEN("blob"));
break;
default:
DBUG_ASSERT(0);
break;
}
if (type == MYSQL_TYPE_BLOB_COMPRESSED)
str->append(STRING_WITH_LEN(" compressed"));
break;
case MYSQL_TYPE_STRING:
{
/*
This is taken from Field_string::unpack.
*/
CHARSET_INFO *cs= str->charset();
uint bytes= (((metadata >> 4) & 0x300) ^ 0x300) + (metadata & 0x00ff);
size_t length=
cs->cset->snprintf(cs, (char*) str->ptr(), str->alloced_length(),
"char(%d)", bytes / field_cs->mbmaxlen);
str->length(length);
}
break;
case MYSQL_TYPE_GEOMETRY:
str->set_ascii(STRING_WITH_LEN("geometry"));
break;
default:
str->set_ascii(STRING_WITH_LEN("<unknown type>"));
}
DBUG_VOID_RETURN;
}
/**
Check the order variable and print errors if the order is not
acceptable according to the current settings.
@param order The computed order of the conversion needed.
@param rli The relay log info data structure: for error reporting.
*/
bool is_conversion_ok(int order, Relay_log_info *rli)
{
DBUG_ENTER("is_conversion_ok");
bool allow_non_lossy, allow_lossy;
allow_non_lossy = slave_type_conversions_options &
(1ULL << SLAVE_TYPE_CONVERSIONS_ALL_NON_LOSSY);
allow_lossy= slave_type_conversions_options &
(1ULL << SLAVE_TYPE_CONVERSIONS_ALL_LOSSY);
DBUG_PRINT("enter", ("order: %d, flags:%s%s", order,
allow_non_lossy ? " ALL_NON_LOSSY" : "",
allow_lossy ? " ALL_LOSSY" : ""));
if (order < 0 && !allow_non_lossy)
{
/* !!! Add error message saying that non-lossy conversions need to be allowed. */
DBUG_RETURN(false);
}
if (order > 0 && !allow_lossy)
{
/* !!! Add error message saying that lossy conversions need to be allowed. */
DBUG_RETURN(false);
}
DBUG_RETURN(true);
}
/**
Can a type potentially be converted to another type?
This function check if the types are convertible and what
conversion is required.
If conversion is not possible, and error is printed.
If conversion is possible:
- *order will be set to -1 if source type is smaller than target
type and a non-lossy conversion can be required. This includes
the case where the field types are different but types could
actually be converted in either direction.
- *order will be set to 0 if no conversion is required.
- *order will be set to 1 if the source type is strictly larger
than the target type and that conversion is potentially lossy.
@param[in] field Target field
@param[in] type Source field type
@param[in] metadata Source field metadata
@param[in] rli Relay log info (for error reporting)
@param[in] mflags Flags from the table map event
@param[out] order Order between source field and target field
@return @c true if conversion is possible according to the current
settings, @c false if conversion is not possible according to the
current setting.
*/
static bool
can_convert_field_to(Field *field,
enum_field_types source_type, uint16 metadata,
Relay_log_info *rli, uint16 mflags,
int *order_var)
{
DBUG_ENTER("can_convert_field_to");
bool same_type;
#ifndef DBUG_OFF
char field_type_buf[MAX_FIELD_WIDTH];
String field_type(field_type_buf, sizeof(field_type_buf), &my_charset_latin1);
field->sql_type(field_type);
DBUG_PRINT("enter", ("field_type: %s, target_type: %d, source_type: %d, source_metadata: 0x%x",
field_type.c_ptr_safe(), field->real_type(), source_type, metadata));
#endif
/**
@todo
Implement Field_varstring_cmopressed::real_type() and
Field_blob_compressed::real_type() properly. All occurencies
of Field::real_type() have to be inspected and adjusted if needed.
Until it is not ready we have to compare source_type against
binlog_type() when replicating from or to compressed data types.
@sa Comment for Field::binlog_type()
*/
if (source_type == MYSQL_TYPE_VARCHAR_COMPRESSED ||
source_type == MYSQL_TYPE_BLOB_COMPRESSED ||
field->binlog_type() == MYSQL_TYPE_VARCHAR_COMPRESSED ||
field->binlog_type() == MYSQL_TYPE_BLOB_COMPRESSED)
same_type= field->binlog_type() == source_type;
else
same_type= field->real_type() == source_type;
/*
If the real type is the same, we need to check the metadata to
decide if conversions are allowed.
*/
if (same_type)
{
if (metadata == 0) // Metadata can only be zero if no metadata was provided
{
/*
If there is no metadata, we either have an old event where no
metadata were supplied, or a type that does not require any
metadata. In either case, conversion can be done but no
conversion table is necessary.
*/
DBUG_PRINT("debug", ("Base types are identical, but there is no metadata"));
*order_var= 0;
DBUG_RETURN(true);
}
DBUG_PRINT("debug", ("Base types are identical, doing field size comparison"));
if (field->compatible_field_size(metadata, rli, mflags, order_var))
DBUG_RETURN(is_conversion_ok(*order_var, rli));
else
DBUG_RETURN(false);
}
else if (
/*
Conversion from MariaDB TIMESTAMP(0), TIME(0), DATETIME(0)
to the corresponding MySQL56 types is non-lossy.
*/
(metadata == 0 &&
((field->real_type() == MYSQL_TYPE_TIMESTAMP2 &&
source_type == MYSQL_TYPE_TIMESTAMP) ||
(field->real_type() == MYSQL_TYPE_TIME2 &&
source_type == MYSQL_TYPE_TIME) ||
(field->real_type() == MYSQL_TYPE_DATETIME2 &&
source_type == MYSQL_TYPE_DATETIME))) ||
/*
Conversion from MySQL56 TIMESTAMP(N), TIME(N), DATETIME(N)
to the corresponding MariaDB or MySQL55 types is non-lossy.
*/
(metadata == field->decimals() &&
((field->real_type() == MYSQL_TYPE_TIMESTAMP &&
source_type == MYSQL_TYPE_TIMESTAMP2) ||
(field->real_type() == MYSQL_TYPE_TIME &&
source_type == MYSQL_TYPE_TIME2) ||
(field->real_type() == MYSQL_TYPE_DATETIME &&
source_type == MYSQL_TYPE_DATETIME2))))
{
/*
TS-TODO: conversion from FSP1>FSP2.
*/
*order_var= -1;
DBUG_RETURN(true);
}
else if (!slave_type_conversions_options)
DBUG_RETURN(false);
/*
Here, from and to will always be different. Since the types are
different, we cannot use the compatible_field_size() function, but
have to rely on hard-coded max-sizes for fields.
*/
DBUG_PRINT("debug", ("Base types are different, checking conversion"));
switch (source_type) // Source type (on master)
{
case MYSQL_TYPE_DECIMAL:
case MYSQL_TYPE_NEWDECIMAL:
case MYSQL_TYPE_FLOAT:
case MYSQL_TYPE_DOUBLE:
switch (field->real_type())
{
case MYSQL_TYPE_NEWDECIMAL:
/*
Then the other type is either FLOAT, DOUBLE, or old style
DECIMAL, so we require lossy conversion.
*/
*order_var= 1;
DBUG_RETURN(is_conversion_ok(*order_var, rli));
case MYSQL_TYPE_DECIMAL:
case MYSQL_TYPE_FLOAT:
case MYSQL_TYPE_DOUBLE:
{
if (source_type == MYSQL_TYPE_NEWDECIMAL ||
source_type == MYSQL_TYPE_DECIMAL)
*order_var = 1; // Always require lossy conversions
else
*order_var= compare_lengths(field, source_type, metadata);
DBUG_ASSERT(*order_var != 0);
DBUG_RETURN(is_conversion_ok(*order_var, rli));
}
default:
DBUG_RETURN(false);
}
break;
/*
The length comparison check will do the correct job of comparing
the field lengths (in bytes) of two integer types.
*/
case MYSQL_TYPE_TINY:
case MYSQL_TYPE_SHORT:
case MYSQL_TYPE_INT24:
case MYSQL_TYPE_LONG:
case MYSQL_TYPE_LONGLONG:
switch (field->real_type())
{
case MYSQL_TYPE_TINY:
case MYSQL_TYPE_SHORT:
case MYSQL_TYPE_INT24:
case MYSQL_TYPE_LONG:
case MYSQL_TYPE_LONGLONG:
/*
max_display_length_for_field() is not fully precise for the integer
data types. So its result cannot be compared to the result of
field->max_dispay_length() when the table field and the binlog field
are of the same type.
This code should eventually be rewritten not to use
compare_lengths(), to detect subtype/supetype relations
just using the type codes.
*/
DBUG_ASSERT(source_type != field->real_type());
*order_var= compare_lengths(field, source_type, metadata);
DBUG_ASSERT(*order_var != 0);
DBUG_RETURN(is_conversion_ok(*order_var, rli));
default:
DBUG_RETURN(false);
}
break;
/*
Since source and target type is different, and it is not possible
to convert bit types to anything else, this will return false.
*/
case MYSQL_TYPE_BIT:
DBUG_RETURN(false);
/*
If all conversions are disabled, it is not allowed to convert
between these types. Since the TEXT vs. BINARY is distinguished by
the charset, and the charset is not replicated, we cannot
currently distinguish between , e.g., TEXT and BLOB.
*/
case MYSQL_TYPE_TINY_BLOB:
case MYSQL_TYPE_MEDIUM_BLOB:
case MYSQL_TYPE_LONG_BLOB:
case MYSQL_TYPE_BLOB:
case MYSQL_TYPE_BLOB_COMPRESSED:
case MYSQL_TYPE_STRING:
case MYSQL_TYPE_VAR_STRING:
case MYSQL_TYPE_VARCHAR:
case MYSQL_TYPE_VARCHAR_COMPRESSED:
switch (field->real_type())
{
case MYSQL_TYPE_TINY_BLOB:
case MYSQL_TYPE_MEDIUM_BLOB:
case MYSQL_TYPE_LONG_BLOB:
case MYSQL_TYPE_BLOB:
case MYSQL_TYPE_BLOB_COMPRESSED:
case MYSQL_TYPE_STRING:
case MYSQL_TYPE_VAR_STRING:
case MYSQL_TYPE_VARCHAR:
case MYSQL_TYPE_VARCHAR_COMPRESSED:
*order_var= compare_lengths(field, source_type, metadata);
/*
Here we know that the types are different, so if the order
gives that they do not require any conversion, we still need
to have non-lossy conversion enabled to allow conversion
between different (string) types of the same length.
*/
if (*order_var == 0)
*order_var= -1;
DBUG_RETURN(is_conversion_ok(*order_var, rli));
default:
DBUG_RETURN(false);
}
break;
case MYSQL_TYPE_GEOMETRY:
case MYSQL_TYPE_TIMESTAMP:
case MYSQL_TYPE_DATE:
case MYSQL_TYPE_TIME:
case MYSQL_TYPE_DATETIME:
case MYSQL_TYPE_YEAR:
case MYSQL_TYPE_NULL:
case MYSQL_TYPE_ENUM:
case MYSQL_TYPE_SET:
case MYSQL_TYPE_TIMESTAMP2:
case MYSQL_TYPE_TIME2:
DBUG_RETURN(false);
case MYSQL_TYPE_NEWDATE:
{
if (field->real_type() == MYSQL_TYPE_DATETIME2 ||
field->real_type() == MYSQL_TYPE_DATETIME)
{
*order_var= -1;
DBUG_RETURN(is_conversion_ok(*order_var, rli));
}
else
{
DBUG_RETURN(false);
}
}
break;
//case MYSQL_TYPE_DATETIME: TODO: fix MDEV-17394 and uncomment.
//
//The "old" type does not specify the fraction part size which is required
//for correct conversion.
case MYSQL_TYPE_DATETIME2:
{
if (field->real_type() == MYSQL_TYPE_NEWDATE)
{
*order_var= 1;
DBUG_RETURN(is_conversion_ok(*order_var, rli));
}
else
{
DBUG_RETURN(false);
}
}
break;
}
DBUG_RETURN(false); // To keep GCC happy
}
/**
Is the definition compatible with a table?
This function will compare the master table with an existing table
on the slave and see if they are compatible with respect to the
current settings of @c SLAVE_TYPE_CONVERSIONS.
If the tables are compatible and conversions are required, @c
*tmp_table_var will be set to a virtual temporary table with field
pointers for the fields that require conversions. This allow simple
checking of whether a conversion are to be applied or not.
If tables are compatible, but no conversions are necessary, @c
*tmp_table_var will be set to NULL.
@param rli_arg[in]
Relay log info, for error reporting.
@param table[in]
Table to compare with
@param tmp_table_var[out]
Virtual temporary table for performing conversions, if necessary.
@retval true Master table is compatible with slave table.
@retval false Master table is not compatible with slave table.
*/
bool
table_def::compatible_with(THD *thd, rpl_group_info *rgi,
TABLE *table, TABLE **conv_table_var)
const
{
/*
We only check the initial columns for the tables.
*/
uint const cols_to_check= MY_MIN(table->s->fields, size());
Relay_log_info *rli= rgi->rli;
TABLE *tmp_table= NULL;
for (uint col= 0 ; col < cols_to_check ; ++col)
{
Field *const field= table->field[col];
int order;
if (can_convert_field_to(field, type(col), field_metadata(col), rli, m_flags, &order))
{
DBUG_PRINT("debug", ("Checking column %d -"
" field '%s' can be converted - order: %d",
col, field->field_name.str, order));
DBUG_ASSERT(order >= -1 && order <= 1);
/*
If order is not 0, a conversion is required, so we need to set
up the conversion table.
*/
if (order != 0 && tmp_table == NULL)
{
/*
This will create the full table with all fields. This is
necessary to ge the correct field lengths for the record.
*/
tmp_table= create_conversion_table(thd, rgi, table);
if (tmp_table == NULL)
return false;
/*
Clear all fields up to, but not including, this column.
*/
for (unsigned int i= 0; i < col; ++i)
tmp_table->field[i]= NULL;
}
if (order == 0 && tmp_table != NULL)
tmp_table->field[col]= NULL;
}
else
{
DBUG_PRINT("debug", ("Checking column %d -"
" field '%s' can not be converted",
col, field->field_name.str));
DBUG_ASSERT(col < size() && col < table->s->fields);
DBUG_ASSERT(table->s->db.str && table->s->table_name.str);
DBUG_ASSERT(table->in_use);
const char *db_name= table->s->db.str;
const char *tbl_name= table->s->table_name.str;
char source_buf[MAX_FIELD_WIDTH];
char target_buf[MAX_FIELD_WIDTH];
String source_type(source_buf, sizeof(source_buf), &my_charset_latin1);
String target_type(target_buf, sizeof(target_buf), &my_charset_latin1);
THD *thd= table->in_use;
show_sql_type(type(col), field_metadata(col), &source_type, field->charset());
field->sql_type(target_type);
rli->report(ERROR_LEVEL, ER_SLAVE_CONVERSION_FAILED, rgi->gtid_info(),
ER_THD(thd, ER_SLAVE_CONVERSION_FAILED),
col, db_name, tbl_name,
source_type.c_ptr_safe(), target_type.c_ptr_safe());
return false;
}
}
#ifndef DBUG_OFF
if (tmp_table)
{
for (unsigned int col= 0; col < tmp_table->s->fields; ++col)
if (tmp_table->field[col])
{
char source_buf[MAX_FIELD_WIDTH];
char target_buf[MAX_FIELD_WIDTH];
String source_type(source_buf, sizeof(source_buf), &my_charset_latin1);
String target_type(target_buf, sizeof(target_buf), &my_charset_latin1);
tmp_table->field[col]->sql_type(source_type);
table->field[col]->sql_type(target_type);
DBUG_PRINT("debug", ("Field %s - conversion required."
" Source type: '%s', Target type: '%s'",
tmp_table->field[col]->field_name.str,
source_type.c_ptr_safe(), target_type.c_ptr_safe()));
}
}
#endif
*conv_table_var= tmp_table;
return true;
}
/**
A wrapper to Virtual_tmp_table, to get access to its constructor,
which is protected for safety purposes (against illegal use on stack).
*/
class Virtual_conversion_table: public Virtual_tmp_table
{
public:
Virtual_conversion_table(THD *thd) :Virtual_tmp_table(thd) { }
/**
Add a new field into the virtual table.
@param sql_type - The real_type of the field.
@param metadata - The RBR binary log metadata for this field.
@param target_field - The field from the target table, to get extra
attributes from (e.g. typelib in case of ENUM).
*/
bool add(enum_field_types sql_type,
uint16 metadata, const Field *target_field)
{
const Type_handler *handler= Type_handler::get_handler_by_real_type(sql_type);
if (!handler)
{
sql_print_error("In RBR mode, Slave received unknown field type field %d "
" for column Name: %s.%s.%s.",
(int) sql_type,
target_field->table->s->db.str,
target_field->table->s->table_name.str,
target_field->field_name.str);
return true;
}
Field *tmp= handler->make_conversion_table_field(this, metadata,
target_field);
if (!tmp)
return true;
Virtual_tmp_table::add(tmp);
DBUG_PRINT("debug", ("sql_type: %d, target_field: '%s', max_length: %d, decimals: %d,"
" maybe_null: %d, unsigned_flag: %d, pack_length: %u",
sql_type, target_field->field_name.str,
tmp->field_length, tmp->decimals(), TRUE,
tmp->flags, tmp->pack_length()));
return false;
}
};
/**
Create a conversion table.
If the function is unable to create the conversion table, an error
will be printed and NULL will be returned.
@return Pointer to conversion table, or NULL if unable to create
conversion table.
*/
TABLE *table_def::create_conversion_table(THD *thd, rpl_group_info *rgi,
TABLE *target_table) const
{
DBUG_ENTER("table_def::create_conversion_table");
Virtual_conversion_table *conv_table;
Relay_log_info *rli= rgi->rli;
/*
At slave, columns may differ. So we should create
MY_MIN(columns@master, columns@slave) columns in the
conversion table.
*/
uint const cols_to_create= MY_MIN(target_table->s->fields, size());
if (!(conv_table= new(thd) Virtual_conversion_table(thd)) ||
conv_table->init(cols_to_create))
goto err;
for (uint col= 0 ; col < cols_to_create; ++col)
{
if (conv_table->add(type(col), field_metadata(col),
target_table->field[col]))
{
DBUG_PRINT("debug", ("binlog_type: %d, metadata: %04X, target_field: '%s'"
" make_conversion_table_field() failed",
binlog_type(col), field_metadata(col),
target_table->field[col]->field_name.str));
goto err;
}
}
if (conv_table->open())
goto err; // Could not allocate record buffer?
DBUG_RETURN(conv_table);
err:
if (conv_table)
delete conv_table;
rli->report(ERROR_LEVEL, ER_SLAVE_CANT_CREATE_CONVERSION, rgi->gtid_info(),
ER_THD(thd, ER_SLAVE_CANT_CREATE_CONVERSION),
target_table->s->db.str,
target_table->s->table_name.str);
DBUG_RETURN(NULL);
}
#endif /* MYSQL_CLIENT */
table_def::table_def(unsigned char *types, ulong size,
uchar *field_metadata, int metadata_size,
......@@ -1245,67 +334,3 @@ bool event_checksum_test(uchar *event_buf, ulong event_len, enum enum_binlog_che
}
return res;
}
#if defined(MYSQL_SERVER) && defined(HAVE_REPLICATION)
Deferred_log_events::Deferred_log_events(Relay_log_info *rli) : last_added(NULL)
{
my_init_dynamic_array(&array, sizeof(Log_event *), 32, 16, MYF(0));
}
Deferred_log_events::~Deferred_log_events()
{
delete_dynamic(&array);
}
int Deferred_log_events::add(Log_event *ev)
{
last_added= ev;
insert_dynamic(&array, (uchar*) &ev);
return 0;
}
bool Deferred_log_events::is_empty()
{
return array.elements == 0;
}
bool Deferred_log_events::execute(rpl_group_info *rgi)
{
bool res= false;
DBUG_ENTER("Deferred_log_events::execute");
DBUG_ASSERT(rgi->deferred_events_collecting);
rgi->deferred_events_collecting= false;
for (uint i= 0; !res && i < array.elements; i++)
{
Log_event *ev= (* (Log_event **)
dynamic_array_ptr(&array, i));
res= ev->apply_event(rgi);
}
rgi->deferred_events_collecting= true;
DBUG_RETURN(res);
}
void Deferred_log_events::rewind()
{
/*
Reset preceding Query log event events which execution was
deferred because of slave side filtering.
*/
if (!is_empty())
{
for (uint i= 0; i < array.elements; i++)
{
Log_event *ev= *(Log_event **) dynamic_array_ptr(&array, i);
delete ev;
}
last_added= NULL;
if (array.elements > array.max_element)
freeze_size(&array);
reset_dynamic(&array);
}
last_added= NULL;
}
#endif
sql/rpl_utility.h
View file @ b6851095
......@@ -118,7 +118,9 @@ class table_def
return source_type;
}
#ifdef MYSQL_SERVER
const Type_handler *field_type_handler(uint index) const;
#endif
/*
This function allows callers to get the extra field data from the
......
sql/rpl_utility_server.cc 0 → 100644
View file @ b6851095
/* Copyright (c) 2006, 2013, Oracle and/or its affiliates.
Copyright (c) 2011, 2013, Monty Program Ab
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1335 USA */
#include "mariadb.h"
#include <my_bit.h>
#include "rpl_utility.h"
#include "log_event.h"
#if defined(MYSQL_CLIENT)
#error MYSQL_CLIENT must not be defined here
#endif
#if !defined(MYSQL_SERVER)
#error MYSQL_SERVER must be defined here
#endif
#if defined(HAVE_REPLICATION)
#include "rpl_rli.h"
#include "sql_select.h"
#endif
/**
Compute the maximum display length of a field.
@param sql_type Type of the field
@param metadata The metadata from the master for the field.
@return Maximum length of the field in bytes.
The precise values calculated by field->max_display_length() and
calculated by max_display_length_for_field() can differ (by +1 or -1)
for integer data types (TINYINT, SMALLINT, MEDIUMINT, INT, BIGINT).
This slight difference is not important here, because we call
this function only for two *different* integer data types.
*/
static uint32
max_display_length_for_field(const Conv_source &source)
{
DBUG_PRINT("debug", ("sql_type: %s, metadata: 0x%x",
source.type_handler()->name().ptr(), source.metadata()));
return source.type_handler()->max_display_length_for_field(source);
}
/*
Compare the pack lengths of a source field (on the master) and a
target field (on the slave).
@param sh Source type handler
@param source_length Source length
@param th Target type hander
@param target_length Target length
@retval CONV_TYPE_SUBSET_TO_SUPERSET The length of the source field is
smaller than the target field.
@retval CONV_TYPE_PRECISE The length of the source and
the target fields are equal.
@retval CONV_TYPE_SUPERSET_TO_SUBSET The length of the source field is
greater than the target field.
*/
static enum_conv_type
compare_lengths(const Type_handler *sh, uint32 source_length,
const Type_handler *th, uint32 target_length)
{
DBUG_ENTER("compare_lengths");
DBUG_PRINT("debug", ("source_length: %lu, source_type: %s,"
" target_length: %lu, target_type: %s",
(unsigned long) source_length, sh->name().ptr(),
(unsigned long) target_length, th->name().ptr()));
enum_conv_type result=
source_length < target_length ? CONV_TYPE_SUBSET_TO_SUPERSET :
source_length > target_length ? CONV_TYPE_SUPERSET_TO_SUBSET :
CONV_TYPE_PRECISE;
DBUG_PRINT("result", ("%d", result));
DBUG_RETURN(result);
}
/**
Calculate display length for MySQL56 temporal data types from their metadata.
It contains fractional precision in the low 16-bit word.
*/
static uint32
max_display_length_for_temporal2_field(uint32 int_display_length,
unsigned int metadata)
{
metadata&= 0x00ff;
return int_display_length + metadata + (metadata ? 1 : 0);
}
uint32
Type_handler_newdecimal::max_display_length_for_field(const Conv_source &src)
const
{
return src.metadata() >> 8;
}
uint32
Type_handler_typelib::max_display_length_for_field(const Conv_source &src)
const
{
/*
Field_enum::rpl_conv_type_from() does not use compare_lengths().
So we should not come here.
*/
DBUG_ASSERT(0);
return src.metadata() & 0x00ff;
}
uint32
Type_handler_string::max_display_length_for_field(const Conv_source &src)
const
{
/*
ENUM and SET are transferred using as STRING,
with the exact type code in metadata.
Make sure that we previously detected ENUM/SET and
translated them into a proper type handler.
See table_def::field_type_handler() for details.
*/
DBUG_ASSERT((src.metadata() >> 8) != MYSQL_TYPE_SET);
DBUG_ASSERT((src.metadata() >> 8) != MYSQL_TYPE_ENUM);
/* This is taken from Field_string::unpack. */
return (((src.metadata() >> 4) & 0x300) ^ 0x300) + (src.metadata() & 0x00ff);
}
uint32
Type_handler_time2::max_display_length_for_field(const Conv_source &src)
const
{
return max_display_length_for_temporal2_field(MIN_TIME_WIDTH,
src.metadata());
}
uint32
Type_handler_timestamp2::max_display_length_for_field(const Conv_source &src)
const
{
return max_display_length_for_temporal2_field(MAX_DATETIME_WIDTH,
src.metadata());
}
uint32
Type_handler_datetime2::max_display_length_for_field(const Conv_source &src)
const
{
return max_display_length_for_temporal2_field(MAX_DATETIME_WIDTH,
src.metadata());
}
uint32
Type_handler_bit::max_display_length_for_field(const Conv_source &src)
const
{
/*
Decode the size of the bit field from the master.
*/
DBUG_ASSERT((src.metadata() & 0xff) <= 7);
return 8 * (src.metadata() >> 8U) + (src.metadata() & 0x00ff);
}
uint32
Type_handler_var_string::max_display_length_for_field(const Conv_source &src)
const
{
return src.metadata();
}
uint32
Type_handler_varchar::max_display_length_for_field(const Conv_source &src)
const
{
return src.metadata();
}
uint32
Type_handler_varchar_compressed::
max_display_length_for_field(const Conv_source &src) const
{
DBUG_ASSERT(src.metadata() > 0);
return src.metadata() - 1;
}
/*
The actual length for these types does not really matter since
they are used to calc_pack_length, which ignores the given
length for these types.
Since we want this to be accurate for other uses, we return the
maximum size in bytes of these BLOBs.
*/
uint32
Type_handler_tiny_blob::max_display_length_for_field(const Conv_source &src)
const
{
return (uint32) my_set_bits(1 * 8);
}
uint32
Type_handler_medium_blob::max_display_length_for_field(const Conv_source &src)
const
{
return (uint32) my_set_bits(3 * 8);
}
uint32
Type_handler_blob::max_display_length_for_field(const Conv_source &src)
const
{
/*
For the blob type, Field::real_type() lies and say that all
blobs are of type MYSQL_TYPE_BLOB. In that case, we have to look
at the length instead to decide what the max display size is.
*/
return (uint32) my_set_bits(src.metadata() * 8);
}
uint32
Type_handler_blob_compressed::max_display_length_for_field(const Conv_source &src)
const
{
return (uint32) my_set_bits(src.metadata() * 8);
}
uint32
Type_handler_long_blob::max_display_length_for_field(const Conv_source &src)
const
{
return (uint32) my_set_bits(4 * 8);
}
uint32
Type_handler_olddecimal::max_display_length_for_field(const Conv_source &src)
const
{
return ~(uint32) 0;
}
void Type_handler::show_binlog_type(const Conv_source &src, String *str) const
{
str->set_ascii(name().ptr(), name().length());
}
void Type_handler_var_string::show_binlog_type(const Conv_source &src,
String *str) const
{
CHARSET_INFO *cs= str->charset();
size_t length= cs->cset->snprintf(cs, (char*) str->ptr(),
str->alloced_length(),
"varchar(%u)",
src.metadata() / src.mbmaxlen());
str->length(length);
}
void Type_handler_varchar::show_binlog_type(const Conv_source &src,
String *str) const
{
CHARSET_INFO *cs= str->charset();
size_t length= cs->cset->snprintf(cs, (char*) str->ptr(),
str->alloced_length(),
"varchar(%u)",
src.metadata() / src.mbmaxlen());
str->length(length);
}
void Type_handler_varchar_compressed::show_binlog_type(const Conv_source &src,
String *str) const
{
CHARSET_INFO *cs= str->charset();
size_t length= cs->cset->snprintf(cs, (char*) str->ptr(),
str->alloced_length(),
"varchar(%u) compressed",
src.metadata() / src.mbmaxlen());
str->length(length);
}
void Type_handler_bit::show_binlog_type(const Conv_source &src,
String *str) const
{
CHARSET_INFO *cs= str->charset();
int bit_length= 8 * (src.metadata() >> 8) + (src.metadata() & 0xFF);
size_t length=
cs->cset->snprintf(cs, (char*) str->ptr(), str->alloced_length(),
"bit(%d)", bit_length);
str->length(length);
}
void Type_handler_olddecimal::show_binlog_type(const Conv_source &src,
String *str) const
{
CHARSET_INFO *cs= str->charset();
size_t length=
cs->cset->snprintf(cs, (char*) str->ptr(), str->alloced_length(),
"decimal(%d,?)/*old*/", src.metadata());
str->length(length);
}
void Type_handler_newdecimal::show_binlog_type(const Conv_source &src,
String *str) const
{
CHARSET_INFO *cs= str->charset();
size_t length=
cs->cset->snprintf(cs, (char*) str->ptr(), str->alloced_length(),
"decimal(%d,%d)",
src.metadata() >> 8, src.metadata() & 0xff);
str->length(length);
}
void Type_handler_blob_compressed::show_binlog_type(const Conv_source &src,
String *str) const
{
/*
Field::real_type() lies regarding the actual type of a BLOB, so
it is necessary to check the pack length to figure out what kind
of blob it really is.
*/
switch (src.metadata()) {
case 1:
str->set_ascii(STRING_WITH_LEN("tinyblob compressed"));
break;
case 2:
str->set_ascii(STRING_WITH_LEN("blob compressed"));
break;
case 3:
str->set_ascii(STRING_WITH_LEN("mediumblob compressed"));
break;
default:
DBUG_ASSERT(0);
// Fall through
case 4:
str->set_ascii(STRING_WITH_LEN("longblob compressed"));
}
}
void Type_handler_string::show_binlog_type(const Conv_source &src,
String *str) const
{
/*
This is taken from Field_string::unpack.
*/
CHARSET_INFO *cs= str->charset();
uint bytes= (((src.metadata() >> 4) & 0x300) ^ 0x300) +
(src.metadata() & 0x00ff);
size_t length= cs->cset->snprintf(cs, (char*) str->ptr(),
str->alloced_length(),
"char(%d)", bytes / src.mbmaxlen());
str->length(length);
}
enum_conv_type
Field::rpl_conv_type_from_same_data_type(uint16 metadata,
const Relay_log_info *rli,
const Conv_param &param) const
{
if (metadata == 0) // Metadata can only be zero if no metadata was provided
{
/*
If there is no metadata, we either have an old event where no
metadata were supplied, or a type that does not require any
metadata. In either case, conversion can be done but no
conversion table is necessary.
*/
DBUG_PRINT("debug", ("Base types are identical, but there is no metadata"));
return CONV_TYPE_PRECISE;
}
DBUG_PRINT("debug", ("Base types are identical, doing field size comparison"));
int order= 0;
if (!compatible_field_size(metadata, rli, param.table_def_flags(), &order))
return CONV_TYPE_IMPOSSIBLE;
return order == 0 ? CONV_TYPE_PRECISE :
order < 0 ? CONV_TYPE_SUBSET_TO_SUPERSET :
CONV_TYPE_SUPERSET_TO_SUBSET;
}
enum_conv_type
Field_new_decimal::rpl_conv_type_from(const Conv_source &source,
const Relay_log_info *rli,
const Conv_param &param) const
{
if (binlog_type() == source.real_field_type())
return rpl_conv_type_from_same_data_type(source.metadata(), rli, param);
if (source.type_handler() == &type_handler_olddecimal ||
source.type_handler() == &type_handler_newdecimal ||
source.type_handler() == &type_handler_float ||
source.type_handler() == &type_handler_double)
{
/*
Then the other type is either FLOAT, DOUBLE, or old style
DECIMAL, so we require lossy conversion.
*/
return CONV_TYPE_SUPERSET_TO_SUBSET;
}
return CONV_TYPE_IMPOSSIBLE;
}
/*
This covers FLOAT, DOUBLE and old DECIMAL
*/
enum_conv_type
Field_real::rpl_conv_type_from(const Conv_source &source,
const Relay_log_info *rli,
const Conv_param &param) const
{
if (binlog_type() == source.real_field_type())
return rpl_conv_type_from_same_data_type(source.metadata(), rli, param);
if (source.type_handler() == &type_handler_olddecimal ||
source.type_handler() == &type_handler_newdecimal)
return CONV_TYPE_SUPERSET_TO_SUBSET; // Always require lossy conversions
if (source.type_handler() == &type_handler_float ||
source.type_handler() == &type_handler_double)
{
enum_conv_type order= compare_lengths(source.type_handler(),
max_display_length_for_field(source),
type_handler(), max_display_length());
DBUG_ASSERT(order != CONV_TYPE_PRECISE);
return order;
}
return CONV_TYPE_IMPOSSIBLE;
}
enum_conv_type
Field_int::rpl_conv_type_from(const Conv_source &source,
const Relay_log_info *rli,
const Conv_param &param) const
{
if (binlog_type() == source.real_field_type())
return rpl_conv_type_from_same_data_type(source.metadata(), rli, param);
/*
The length comparison check will do the correct job of comparing
the field lengths (in bytes) of two integer types.
*/
if (source.type_handler() == &type_handler_tiny ||
source.type_handler() == &type_handler_short ||
source.type_handler() == &type_handler_int24 ||
source.type_handler() == &type_handler_long ||
source.type_handler() == &type_handler_longlong)
{
/*
max_display_length_for_field() is not fully precise for the integer
data types. So its result cannot be compared to the result of
max_dispay_length() when the table field and the binlog field
are of the same type.
This code should eventually be rewritten not to use
compare_lengths(), to detect subtype/supetype relations
just using the type codes.
*/
DBUG_ASSERT(source.real_field_type() != real_type());
enum_conv_type order= compare_lengths(source.type_handler(),
max_display_length_for_field(source),
type_handler(), max_display_length());
DBUG_ASSERT(order != CONV_TYPE_PRECISE);
return order;
}
return CONV_TYPE_IMPOSSIBLE;
}
enum_conv_type
Field_enum::rpl_conv_type_from(const Conv_source &source,
const Relay_log_info *rli,
const Conv_param &param) const
{
/*
For some reasons Field_enum and Field_set store MYSQL_TYPE_STRING
as a type code in the binary log and encode the real type in metadata.
So we need to test real_type() here instread of binlog_type().
*/
return real_type() == source.real_field_type() ?
rpl_conv_type_from_same_data_type(source.metadata(), rli, param) :
CONV_TYPE_IMPOSSIBLE;
}
enum_conv_type
Field_longstr::rpl_conv_type_from(const Conv_source &source,
const Relay_log_info *rli,
const Conv_param &param) const
{
/**
@todo
Implement Field_varstring_compressed::real_type() and
Field_blob_compressed::real_type() properly. All occurencies
of Field::real_type() have to be inspected and adjusted if needed.
Until it is not ready we have to compare source_type against
binlog_type() when replicating from or to compressed data types.
@sa Comment for Field::binlog_type()
*/
bool same_type;
if (source.real_field_type() == MYSQL_TYPE_VARCHAR_COMPRESSED ||
source.real_field_type() == MYSQL_TYPE_BLOB_COMPRESSED ||
binlog_type() == MYSQL_TYPE_VARCHAR_COMPRESSED ||
binlog_type() == MYSQL_TYPE_BLOB_COMPRESSED)
same_type= binlog_type() == source.real_field_type();
else
same_type= type_handler() == source.type_handler();
if (same_type)
return rpl_conv_type_from_same_data_type(source.metadata(), rli, param);
if (source.type_handler() == &type_handler_tiny_blob ||
source.type_handler() == &type_handler_medium_blob ||
source.type_handler() == &type_handler_long_blob ||
source.type_handler() == &type_handler_blob ||
source.type_handler() == &type_handler_blob_compressed ||
source.type_handler() == &type_handler_string ||
source.type_handler() == &type_handler_var_string ||
source.type_handler() == &type_handler_varchar ||
source.type_handler() == &type_handler_varchar_compressed)
{
enum_conv_type order= compare_lengths(source.type_handler(),
max_display_length_for_field(source),
type_handler(), max_display_length());
/*
Here we know that the types are different, so if the order
gives that they do not require any conversion, we still need
to have non-lossy conversion enabled to allow conversion
between different (string) types of the same length.
Also, if all conversions are disabled, it is not allowed to convert
between these types. Since the TEXT vs. BINARY is distinguished by
the charset, and the charset is not replicated, we cannot
currently distinguish between , e.g., TEXT and BLOB.
*/
if (order == CONV_TYPE_PRECISE)
order= CONV_TYPE_SUBSET_TO_SUPERSET;
return order;
}
return CONV_TYPE_IMPOSSIBLE;
}
enum_conv_type
Field_newdate::rpl_conv_type_from(const Conv_source &source,
const Relay_log_info *rli,
const Conv_param &param) const
{
if (real_type() == source.real_field_type())
return rpl_conv_type_from_same_data_type(source.metadata(), rli, param);
if (source.type_handler() == &type_handler_datetime2)
return CONV_TYPE_SUPERSET_TO_SUBSET;
return CONV_TYPE_IMPOSSIBLE;
}
enum_conv_type
Field_time::rpl_conv_type_from(const Conv_source &source,
const Relay_log_info *rli,
const Conv_param &param) const
{
if (binlog_type() == source.real_field_type())
return rpl_conv_type_from_same_data_type(source.metadata(), rli, param);
// 'MySQL56 TIME(N)' -> 'MariaDB-5.3 TIME(N)' is non-lossy
if (decimals() == source.metadata() &&
source.type_handler() == &type_handler_time2)
return CONV_TYPE_VARIANT; // TODO: conversion from FSP1>FSP2
return CONV_TYPE_IMPOSSIBLE;
}
enum_conv_type
Field_timef::rpl_conv_type_from(const Conv_source &source,
const Relay_log_info *rli,
const Conv_param &param) const
{
if (binlog_type() == source.real_field_type())
return rpl_conv_type_from_same_data_type(source.metadata(), rli, param);
/*
See comment in Field_datetimef::rpl_conv_type_from()
'MariaDB-5.3 TIME(0)' to 'MySQL56 TIME(0)' is non-lossy
*/
if (source.metadata() == 0 && source.type_handler() == &type_handler_time)
return CONV_TYPE_VARIANT;
return CONV_TYPE_IMPOSSIBLE;
}
enum_conv_type
Field_timestamp::rpl_conv_type_from(const Conv_source &source,
const Relay_log_info *rli,
const Conv_param &param) const
{
if (binlog_type() == source.real_field_type())
return rpl_conv_type_from_same_data_type(source.metadata(), rli, param);
// 'MySQL56 TIMESTAMP(N)' -> MariaDB-5.3 TIMESTAMP(N)' is non-lossy
if (source.metadata() == decimals() &&
source.type_handler() == &type_handler_timestamp2)
return CONV_TYPE_VARIANT; // TODO: conversion from FSP1>FSP2
return CONV_TYPE_IMPOSSIBLE;
}
enum_conv_type
Field_timestampf::rpl_conv_type_from(const Conv_source &source,
const Relay_log_info *rli,
const Conv_param &param) const
{
if (binlog_type() == source.real_field_type())
return rpl_conv_type_from_same_data_type(source.metadata(), rli, param);
/*
See comment in Field_datetimef::rpl_conv_type_from()
'MariaDB-5.3 TIMESTAMP(0)' to 'MySQL56 TIMESTAMP(0)' is non-lossy
*/
if (source.metadata() == 0 &&
source.type_handler() == &type_handler_timestamp)
return CONV_TYPE_VARIANT;
return CONV_TYPE_IMPOSSIBLE;
}
enum_conv_type
Field_datetime::rpl_conv_type_from(const Conv_source &source,
const Relay_log_info *rli,
const Conv_param &param) const
{
if (binlog_type() == source.real_field_type())
return rpl_conv_type_from_same_data_type(source.metadata(), rli, param);
// 'MySQL56 DATETIME(N)' -> MariaDB-5.3 DATETIME(N) is non-lossy
if (source.metadata() == decimals() &&
source.type_handler() == &type_handler_datetime2)
return CONV_TYPE_VARIANT; // TODO: conversion from FSP1>FSP2
if (source.type_handler() == &type_handler_newdate)
return CONV_TYPE_SUBSET_TO_SUPERSET;
return CONV_TYPE_IMPOSSIBLE;
}
enum_conv_type
Field_datetimef::rpl_conv_type_from(const Conv_source &source,
const Relay_log_info *rli,
const Conv_param &param) const
{
if (binlog_type() == source.real_field_type())
return rpl_conv_type_from_same_data_type(source.metadata(), rli, param);
/*
'MariaDB-5.3 DATETIME(N)' does not provide information about fractional
precision in metadata. So we assume the precision on the master is equal
to the precision on the slave.
TODO: See MDEV-17394 what happend in case precisions are in case different
'MariaDB-5.3 DATETIME(0)' to 'MySQL56 DATETIME(0)' is non-lossy
*/
if (source.metadata() == 0 &&
source.type_handler() == &type_handler_datetime)
return CONV_TYPE_VARIANT;
if (source.type_handler() == &type_handler_newdate)
return CONV_TYPE_SUBSET_TO_SUPERSET;
return CONV_TYPE_IMPOSSIBLE;
}
enum_conv_type
Field_date::rpl_conv_type_from(const Conv_source &source,
const Relay_log_info *rli,
const Conv_param &param) const
{
// old DATE
return binlog_type() == source.real_field_type() ?
rpl_conv_type_from_same_data_type(source.metadata(), rli, param) :
CONV_TYPE_IMPOSSIBLE;
}
enum_conv_type
Field_bit::rpl_conv_type_from(const Conv_source &source,
const Relay_log_info *rli,
const Conv_param &param) const
{
return binlog_type() == source.real_field_type() ?
rpl_conv_type_from_same_data_type(source.metadata(), rli, param) :
CONV_TYPE_IMPOSSIBLE;
}
enum_conv_type
Field_year::rpl_conv_type_from(const Conv_source &source,
const Relay_log_info *rli,
const Conv_param &param) const
{
return binlog_type() == source.real_field_type() ?
rpl_conv_type_from_same_data_type(source.metadata(), rli, param) :
CONV_TYPE_IMPOSSIBLE;
}
enum_conv_type
Field_null::rpl_conv_type_from(const Conv_source &source,
const Relay_log_info *rli,
const Conv_param &param) const
{
DBUG_ASSERT(0);
return CONV_TYPE_IMPOSSIBLE;
}
#ifdef HAVE_SPATIAL
uint32
Type_handler_geometry::max_display_length_for_field(const Conv_source &src)
const
{
return (uint32) my_set_bits(4 * 8);
}
enum_conv_type
Field_geom::rpl_conv_type_from(const Conv_source &source,
const Relay_log_info *rli,
const Conv_param &param) const
{
return binlog_type() == source.real_field_type() ?
rpl_conv_type_from_same_data_type(source.metadata(), rli, param) :
CONV_TYPE_IMPOSSIBLE;
}
#endif // HAVE_SPATIAL
/**********************************************************************/
#if defined(HAVE_REPLICATION)
/**
*/
void show_sql_type(const Conv_source &src, String *str)
{
DBUG_ENTER("show_sql_type");
DBUG_ASSERT(src.type_handler() != NULL);
DBUG_PRINT("enter", ("type: %s, metadata: 0x%x",
src.type_handler()->name().ptr(), src.metadata()));
src.type_handler()->show_binlog_type(src, str);
DBUG_VOID_RETURN;
}
/**
Check the order variable and print errors if the order is not
acceptable according to the current settings.
@param order The computed order of the conversion needed.
@param rli The relay log info data structure: for error reporting.
*/
static bool is_conversion_ok(enum_conv_type type, const Relay_log_info *rli,
ulonglong type_conversion_options)
{
DBUG_ENTER("is_conversion_ok");
bool allow_non_lossy, allow_lossy;
allow_non_lossy= type_conversion_options &
(1ULL << SLAVE_TYPE_CONVERSIONS_ALL_NON_LOSSY);
allow_lossy= type_conversion_options &
(1ULL << SLAVE_TYPE_CONVERSIONS_ALL_LOSSY);
DBUG_PRINT("enter", ("order: %d, flags:%s%s", (int) type,
allow_non_lossy ? " ALL_NON_LOSSY" : "",
allow_lossy ? " ALL_LOSSY" : ""));
switch (type) {
case CONV_TYPE_PRECISE:
case CONV_TYPE_VARIANT:
DBUG_RETURN(true);
case CONV_TYPE_SUBSET_TO_SUPERSET:
/* !!! Add error message saying that non-lossy conversions need to be allowed. */
DBUG_RETURN(allow_non_lossy);
case CONV_TYPE_SUPERSET_TO_SUBSET:
/* !!! Add error message saying that lossy conversions need to be allowed. */
DBUG_RETURN(allow_lossy);
case CONV_TYPE_IMPOSSIBLE:
DBUG_RETURN(false);
}
DBUG_RETURN(false);
}
/**
Can a type potentially be converted to another type?
This function check if the types are convertible and what
conversion is required.
If conversion is not possible, and error is printed.
If conversion is possible:
- *order will be set to -1 if source type is smaller than target
type and a non-lossy conversion can be required. This includes
the case where the field types are different but types could
actually be converted in either direction.
- *order will be set to 0 if no conversion is required.
- *order will be set to 1 if the source type is strictly larger
than the target type and that conversion is potentially lossy.
@param[in] field Target field
@param[in] type Source field type
@param[in] metadata Source field metadata
@param[in] rli Relay log info (for error reporting)
@param[in] mflags Flags from the table map event
@param[out] order Order between source field and target field
@return @c true if conversion is possible according to the current
settings, @c false if conversion is not possible according to the
current setting.
*/
static enum_conv_type
can_convert_field_to(Field *field, const Conv_source &source,
const Relay_log_info *rli,
const Conv_param &param)
{
DBUG_ENTER("can_convert_field_to");
#ifndef DBUG_OFF
char field_type_buf[MAX_FIELD_WIDTH];
String field_type(field_type_buf, sizeof(field_type_buf), &my_charset_latin1);
field->sql_type(field_type);
DBUG_PRINT("enter", ("field_type: %s, target_type: %d, source_type: %d, source_metadata: 0x%x",
field_type.c_ptr_safe(), field->real_type(),
source.real_field_type(), source.metadata()));
#endif
DBUG_RETURN(field->rpl_conv_type_from(source, rli, param));
}
const Type_handler *table_def::field_type_handler(uint col) const
{
enum_field_types typecode= binlog_type(col);
uint16 metadata= field_metadata(col);
DBUG_ASSERT(typecode != MYSQL_TYPE_ENUM);
DBUG_ASSERT(typecode != MYSQL_TYPE_SET);
if (typecode == MYSQL_TYPE_BLOB)
{
switch (metadata & 0xff) {
case 1: return &type_handler_tiny_blob;
case 2: return &type_handler_blob;
case 3: return &type_handler_medium_blob;
case 4: return &type_handler_long_blob;
default: return NULL;
}
}
if (typecode == MYSQL_TYPE_STRING)
{
uchar typecode2= metadata >> 8;
if (typecode2 == MYSQL_TYPE_SET)
return &type_handler_set;
if (typecode2 == MYSQL_TYPE_ENUM)
return &type_handler_enum;
return &type_handler_string;
}
/*
This type has not been used since before row-based replication,
so we can safely assume that it really is MYSQL_TYPE_NEWDATE.
*/
if (typecode == MYSQL_TYPE_DATE)
return &type_handler_newdate;
return Type_handler::get_handler_by_real_type(typecode);
}
/**
Is the definition compatible with a table?
This function will compare the master table with an existing table
on the slave and see if they are compatible with respect to the
current settings of @c SLAVE_TYPE_CONVERSIONS.
If the tables are compatible and conversions are required, @c
*tmp_table_var will be set to a virtual temporary table with field
pointers for the fields that require conversions. This allow simple
checking of whether a conversion are to be applied or not.
If tables are compatible, but no conversions are necessary, @c
*tmp_table_var will be set to NULL.
@param rli_arg[in]
Relay log info, for error reporting.
@param table[in]
Table to compare with
@param tmp_table_var[out]
Virtual temporary table for performing conversions, if necessary.
@retval true Master table is compatible with slave table.
@retval false Master table is not compatible with slave table.
*/
bool
table_def::compatible_with(THD *thd, rpl_group_info *rgi,
TABLE *table, TABLE **conv_table_var)
const
{
/*
We only check the initial columns for the tables.
*/
uint const cols_to_check= MY_MIN(table->s->fields, size());
Relay_log_info *rli= rgi->rli;
TABLE *tmp_table= NULL;
for (uint col= 0 ; col < cols_to_check ; ++col)
{
Field *const field= table->field[col];
const Type_handler *h= field_type_handler(col);
if (!h)
{
sql_print_error("In RBR mode, Slave received unknown field type field %d "
" for column Name: %s.%s.%s.",
binlog_type(col),
field->table->s->db.str,
field->table->s->table_name.str,
field->field_name.str);
return false;
}
if (!h)
return false; // An unknown data type found in the binary log
Conv_source source(h, field_metadata(col), field->charset());
enum_conv_type convtype= can_convert_field_to(field, source, rli,
Conv_param(m_flags));
if (is_conversion_ok(convtype, rli, slave_type_conversions_options))
{
DBUG_PRINT("debug", ("Checking column %d -"
" field '%s' can be converted - order: %d",
col, field->field_name.str, convtype));
/*
If conversion type is not CONV_TYPE_RECISE, a conversion is required,
so we need to set up the conversion table.
*/
if (convtype != CONV_TYPE_PRECISE && tmp_table == NULL)
{
/*
This will create the full table with all fields. This is
necessary to ge the correct field lengths for the record.
*/
tmp_table= create_conversion_table(thd, rgi, table);
if (tmp_table == NULL)
return false;
/*
Clear all fields up to, but not including, this column.
*/
for (unsigned int i= 0; i < col; ++i)
tmp_table->field[i]= NULL;
}
if (convtype == CONV_TYPE_PRECISE && tmp_table != NULL)
tmp_table->field[col]= NULL;
}
else
{
DBUG_PRINT("debug", ("Checking column %d -"
" field '%s' can not be converted",
col, field->field_name.str));
DBUG_ASSERT(col < size() && col < table->s->fields);
DBUG_ASSERT(table->s->db.str && table->s->table_name.str);
DBUG_ASSERT(table->in_use);
const char *db_name= table->s->db.str;
const char *tbl_name= table->s->table_name.str;
StringBuffer<MAX_FIELD_WIDTH> source_type(&my_charset_latin1);
StringBuffer<MAX_FIELD_WIDTH> target_type(&my_charset_latin1);
THD *thd= table->in_use;
show_sql_type(source, &source_type);
field->sql_type(target_type);
DBUG_ASSERT(source_type.length() > 0);
DBUG_ASSERT(target_type.length() > 0);
rli->report(ERROR_LEVEL, ER_SLAVE_CONVERSION_FAILED, rgi->gtid_info(),
ER_THD(thd, ER_SLAVE_CONVERSION_FAILED),
col, db_name, tbl_name,
source_type.c_ptr_safe(), target_type.c_ptr_safe());
return false;
}
}
#ifndef DBUG_OFF
if (tmp_table)
{
for (unsigned int col= 0; col < tmp_table->s->fields; ++col)
if (tmp_table->field[col])
{
char source_buf[MAX_FIELD_WIDTH];
char target_buf[MAX_FIELD_WIDTH];
String source_type(source_buf, sizeof(source_buf), &my_charset_latin1);
String target_type(target_buf, sizeof(target_buf), &my_charset_latin1);
tmp_table->field[col]->sql_type(source_type);
table->field[col]->sql_type(target_type);
DBUG_PRINT("debug", ("Field %s - conversion required."
" Source type: '%s', Target type: '%s'",
tmp_table->field[col]->field_name.str,
source_type.c_ptr_safe(), target_type.c_ptr_safe()));
}
}
#endif
*conv_table_var= tmp_table;
return true;
}
/**
A wrapper to Virtual_tmp_table, to get access to its constructor,
which is protected for safety purposes (against illegal use on stack).
*/
class Virtual_conversion_table: public Virtual_tmp_table
{
public:
Virtual_conversion_table(THD *thd) :Virtual_tmp_table(thd) { }
/**
Add a new field into the virtual table.
@param handler - The type handler of the field.
@param metadata - The RBR binary log metadata for this field.
@param target_field - The field from the target table, to get extra
attributes from (e.g. typelib in case of ENUM).
*/
bool add(const Type_handler *handler,
uint16 metadata, const Field *target_field)
{
Field *tmp= handler->make_conversion_table_field(this, metadata,
target_field);
if (!tmp)
return true;
Virtual_tmp_table::add(tmp);
DBUG_PRINT("debug", ("sql_type: %s, target_field: '%s', max_length: %d, decimals: %d,"
" maybe_null: %d, unsigned_flag: %d, pack_length: %u",
handler->name().ptr(), target_field->field_name.str,
tmp->field_length, tmp->decimals(), TRUE,
tmp->flags, tmp->pack_length()));
return false;
}
};
/**
Create a conversion table.
If the function is unable to create the conversion table, an error
will be printed and NULL will be returned.
@return Pointer to conversion table, or NULL if unable to create
conversion table.
*/
TABLE *table_def::create_conversion_table(THD *thd, rpl_group_info *rgi,
TABLE *target_table) const
{
DBUG_ENTER("table_def::create_conversion_table");
Virtual_conversion_table *conv_table;
Relay_log_info *rli= rgi->rli;
/*
At slave, columns may differ. So we should create
MY_MIN(columns@master, columns@slave) columns in the
conversion table.
*/
uint const cols_to_create= MY_MIN(target_table->s->fields, size());
if (!(conv_table= new(thd) Virtual_conversion_table(thd)) ||
conv_table->init(cols_to_create))
goto err;
for (uint col= 0 ; col < cols_to_create; ++col)
{
const Type_handler *ha= field_type_handler(col);
DBUG_ASSERT(ha); // Checked at compatible_with() time
if (conv_table->add(ha, field_metadata(col), target_table->field[col]))
{
DBUG_PRINT("debug", ("binlog_type: %d, metadata: %04X, target_field: '%s'"
" make_conversion_table_field() failed",
binlog_type(col), field_metadata(col),
target_table->field[col]->field_name.str));
goto err;
}
}
if (conv_table->open())
goto err; // Could not allocate record buffer?
DBUG_RETURN(conv_table);
err:
if (conv_table)
delete conv_table;
rli->report(ERROR_LEVEL, ER_SLAVE_CANT_CREATE_CONVERSION, rgi->gtid_info(),
ER_THD(thd, ER_SLAVE_CANT_CREATE_CONVERSION),
target_table->s->db.str,
target_table->s->table_name.str);
DBUG_RETURN(NULL);
}
Deferred_log_events::Deferred_log_events(Relay_log_info *rli) : last_added(NULL)
{
my_init_dynamic_array(&array, sizeof(Log_event *), 32, 16, MYF(0));
}
Deferred_log_events::~Deferred_log_events()
{
delete_dynamic(&array);
}
int Deferred_log_events::add(Log_event *ev)
{
last_added= ev;
insert_dynamic(&array, (uchar*) &ev);
return 0;
}
bool Deferred_log_events::is_empty()
{
return array.elements == 0;
}
bool Deferred_log_events::execute(rpl_group_info *rgi)
{
bool res= false;
DBUG_ENTER("Deferred_log_events::execute");
DBUG_ASSERT(rgi->deferred_events_collecting);
rgi->deferred_events_collecting= false;
for (uint i= 0; !res && i < array.elements; i++)
{
Log_event *ev= (* (Log_event **)
dynamic_array_ptr(&array, i));
res= ev->apply_event(rgi);
}
rgi->deferred_events_collecting= true;
DBUG_RETURN(res);
}
void Deferred_log_events::rewind()
{
/*
Reset preceding Query log event events which execution was
deferred because of slave side filtering.
*/
if (!is_empty())
{
for (uint i= 0; i < array.elements; i++)
{
Log_event *ev= *(Log_event **) dynamic_array_ptr(&array, i);
delete ev;
}
last_added= NULL;
if (array.elements > array.max_element)
freeze_size(&array);
reset_dynamic(&array);
}
last_added= NULL;
}
#endif // defined(HAVE_REPLICATION)
sql/sql_type.cc
View file @ b6851095
......@@ -60,13 +60,13 @@ Type_handler_string type_handler_string;
Type_handler_var_string type_handler_var_string;
Type_handler_varchar type_handler_varchar;
Type_handler_hex_hybrid type_handler_hex_hybrid;
static Type_handler_varchar_compressed type_handler_varchar_compressed;
Type_handler_varchar_compressed type_handler_varchar_compressed;
Type_handler_tiny_blob type_handler_tiny_blob;
Type_handler_medium_blob type_handler_medium_blob;
Type_handler_long_blob type_handler_long_blob;
Type_handler_blob type_handler_blob;
static Type_handler_blob_compressed type_handler_blob_compressed;
Type_handler_blob_compressed type_handler_blob_compressed;
Type_handler_interval_DDhhmmssff type_handler_interval_DDhhmmssff;
......@@ -1908,13 +1908,7 @@ Type_handler::get_handler_by_real_type(enum_field_types type)
case MYSQL_TYPE_LONG_BLOB: return &type_handler_long_blob;
case MYSQL_TYPE_BLOB: return &type_handler_blob;
case MYSQL_TYPE_BLOB_COMPRESSED: return &type_handler_blob_compressed;
case MYSQL_TYPE_VAR_STRING:
/*
VAR_STRING is actually a field_type(), not a real_type(),
but it's used around the code in real_type() context.
We should clean up the code and add DBUG_ASSERT(0) here.
*/
return &type_handler_string;
case MYSQL_TYPE_VAR_STRING: return &type_handler_var_string;
case MYSQL_TYPE_STRING: return &type_handler_string;
case MYSQL_TYPE_ENUM: return &type_handler_enum;
case MYSQL_TYPE_SET: return &type_handler_set;
......@@ -1933,8 +1927,7 @@ Type_handler::get_handler_by_real_type(enum_field_types type)
case MYSQL_TYPE_DATETIME2: return &type_handler_datetime2;
case MYSQL_TYPE_NEWDATE: return &type_handler_newdate;
};
DBUG_ASSERT(0);
return &type_handler_string;
return NULL;
}
......
sql/sql_type.h
View file @ b6851095
......@@ -84,6 +84,7 @@ struct TABLE;
struct SORT_FIELD_ATTR;
class Vers_history_point;
class Virtual_column_info;
class Conv_source;
struct ST_FIELD_INFO;
#define my_charset_numeric my_charset_latin1
......@@ -3393,6 +3394,8 @@ class Type_handler
virtual Field *make_conversion_table_field(TABLE *TABLE,
uint metadata,
const Field *target) const= 0;
virtual void show_binlog_type(const Conv_source &src, String *str) const;
virtual uint32 max_display_length_for_field(const Conv_source &src) const= 0;
/*
Performs the final data type validation for a UNION element,
after the regular "aggregation for result" was done.
......@@ -3891,6 +3894,11 @@ class Type_handler_row: public Type_handler
DBUG_ASSERT(0);
return 0;
}
uint32 max_display_length_for_field(const Conv_source &src) const
{
DBUG_ASSERT(0);
return 0;
}
uint32 calc_pack_length(uint32 length) const
{
DBUG_ASSERT(0);
......@@ -4825,6 +4833,8 @@ class Type_handler_tiny: public Type_handler_general_purpose_int
return unsigned_fl ? &m_limits_uint8 : &m_limits_sint8;
}
uint32 calc_pack_length(uint32 length) const { return 1; }
uint32 max_display_length_for_field(const Conv_source &src) const
{ return 4; }
bool Item_send(Item *item, Protocol *protocol, st_value *buf) const
{
return Item_send_tiny(item, protocol, buf);
......@@ -4877,6 +4887,8 @@ class Type_handler_short: public Type_handler_general_purpose_int
{
return unsigned_fl ? &m_limits_uint16 : &m_limits_sint16;
}
uint32 max_display_length_for_field(const Conv_source &src) const
{ return 6; }
uint32 calc_pack_length(uint32 length) const { return 2; }
Field *make_conversion_table_field(TABLE *TABLE, uint metadata,
const Field *target) const;
......@@ -4922,6 +4934,8 @@ class Type_handler_long: public Type_handler_general_purpose_int
{
return unsigned_fl ? &m_limits_uint32 : &m_limits_sint32;
}
uint32 max_display_length_for_field(const Conv_source &src) const
{ return 11; }
uint32 calc_pack_length(uint32 length) const { return 4; }
bool Item_send(Item *item, Protocol *protocol, st_value *buf) const
{
......@@ -4982,6 +4996,8 @@ class Type_handler_longlong: public Type_handler_general_purpose_int
{
return unsigned_fl ? &m_limits_uint64 : &m_limits_sint64;
}
uint32 max_display_length_for_field(const Conv_source &src) const
{ return 20; }
uint32 calc_pack_length(uint32 length) const { return 8; }
Item *create_typecast_item(THD *thd, Item *item,
const Type_cast_attributes &attr) const;
......@@ -5050,6 +5066,8 @@ class Type_handler_int24: public Type_handler_general_purpose_int
{
return unsigned_fl ? &m_limits_uint24 : &m_limits_sint24;
}
uint32 max_display_length_for_field(const Conv_source &src) const
{ return 9; }
uint32 calc_pack_length(uint32 length) const { return 3; }
Field *make_conversion_table_field(TABLE *, uint metadata,
const Field *target) const;
......@@ -5084,6 +5102,8 @@ class Type_handler_year: public Type_handler_int_result
return PROTOCOL_SEND_SHORT;
}
uint32 max_display_length(const Item *item) const;
uint32 max_display_length_for_field(const Conv_source &src) const
{ return 4; }
uint32 calc_pack_length(uint32 length) const { return 1; }
bool Item_send(Item *item, Protocol *protocol, st_value *buf) const
{
......@@ -5133,6 +5153,7 @@ class Type_handler_bit: public Type_handler_int_result
return PROTOCOL_SEND_STRING;
}
uint32 max_display_length(const Item *item) const;
uint32 max_display_length_for_field(const Conv_source &src) const;
uint32 calc_pack_length(uint32 length) const { return length / 8; }
bool Item_send(Item *item, Protocol *protocol, st_value *buf) const
{
......@@ -5142,6 +5163,7 @@ class Type_handler_bit: public Type_handler_int_result
{
return print_item_value_csstr(thd, item, str);
}
void show_binlog_type(const Conv_source &src, String *str) const;
Field *make_conversion_table_field(TABLE *, uint metadata,
const Field *target) const;
bool Column_definition_fix_attributes(Column_definition *c) const;
......@@ -5186,6 +5208,8 @@ class Type_handler_float: public Type_handler_real_result
}
bool type_can_have_auto_increment_attribute() const { return true; }
uint32 max_display_length(const Item *item) const { return 25; }
uint32 max_display_length_for_field(const Conv_source &src) const
{ return 12; }
uint32 calc_pack_length(uint32 length) const { return sizeof(float); }
Item *create_typecast_item(THD *thd, Item *item,
const Type_cast_attributes &attr) const;
......@@ -5239,6 +5263,8 @@ class Type_handler_double: public Type_handler_real_result
}
bool type_can_have_auto_increment_attribute() const { return true; }
uint32 max_display_length(const Item *item) const { return 53; }
uint32 max_display_length_for_field(const Conv_source &src) const
{ return 22; }
uint32 calc_pack_length(uint32 length) const { return sizeof(double); }
Item *create_typecast_item(THD *thd, Item *item,
const Type_cast_attributes &attr) const;
......@@ -5375,6 +5401,8 @@ class Type_handler_time: public Type_handler_time_common
static uint hires_bytes(uint dec) { return m_hires_bytes[dec]; }
virtual ~Type_handler_time() {}
const Name version() const { return m_version_mariadb53; }
uint32 max_display_length_for_field(const Conv_source &src) const
{ return MIN_TIME_WIDTH; }
uint32 calc_pack_length(uint32 length) const;
Field *make_conversion_table_field(TABLE *, uint metadata,
const Field *target) const;
......@@ -5402,6 +5430,7 @@ class Type_handler_time2: public Type_handler_time_common
virtual ~Type_handler_time2() {}
const Name version() const { return m_version_mysql56; }
enum_field_types real_field_type() const { return MYSQL_TYPE_TIME2; }
uint32 max_display_length_for_field(const Conv_source &src) const;
uint32 calc_pack_length(uint32 length) const;
Field *make_conversion_table_field(TABLE *, uint metadata,
const Field *target) const;
......@@ -5456,6 +5485,8 @@ class Type_handler_date_common: public Type_handler_temporal_with_date
const Name &default_value() const;
const Type_handler *type_handler_for_comparison() const;
enum_field_types field_type() const { return MYSQL_TYPE_DATE; }
uint32 max_display_length_for_field(const Conv_source &src) const
{ return 3; }
enum_dynamic_column_type dyncol_type(const Type_all_attributes *attr) const
{
return DYN_COL_DATE;
......@@ -5624,6 +5655,8 @@ class Type_handler_datetime: public Type_handler_datetime_common
static uint hires_bytes(uint dec) { return m_hires_bytes[dec]; }
virtual ~Type_handler_datetime() {}
const Name version() const { return m_version_mariadb53; }
uint32 max_display_length_for_field(const Conv_source &src) const
{ return MAX_DATETIME_WIDTH; }
uint32 calc_pack_length(uint32 length) const;
Field *make_conversion_table_field(TABLE *, uint metadata,
const Field *target) const;
......@@ -5651,6 +5684,7 @@ class Type_handler_datetime2: public Type_handler_datetime_common
virtual ~Type_handler_datetime2() {}
const Name version() const { return m_version_mysql56; }
enum_field_types real_field_type() const { return MYSQL_TYPE_DATETIME2; }
uint32 max_display_length_for_field(const Conv_source &src) const;
uint32 calc_pack_length(uint32 length) const;
Field *make_conversion_table_field(TABLE *, uint metadata,
const Field *target) const;
......@@ -5759,6 +5793,8 @@ class Type_handler_timestamp: public Type_handler_timestamp_common
static uint sec_part_bytes(uint dec) { return m_sec_part_bytes[dec]; }
virtual ~Type_handler_timestamp() {}
const Name version() const { return m_version_mariadb53; }
uint32 max_display_length_for_field(const Conv_source &src) const
{ return MAX_DATETIME_WIDTH; }
uint32 calc_pack_length(uint32 length) const;
Field *make_conversion_table_field(TABLE *, uint metadata,
const Field *target) const;
......@@ -5786,6 +5822,7 @@ class Type_handler_timestamp2: public Type_handler_timestamp_common
virtual ~Type_handler_timestamp2() {}
const Name version() const { return m_version_mysql56; }
enum_field_types real_field_type() const { return MYSQL_TYPE_TIMESTAMP2; }
uint32 max_display_length_for_field(const Conv_source &src) const;
uint32 calc_pack_length(uint32 length) const;
Field *make_conversion_table_field(TABLE *, uint metadata,
const Field *target) const;
......@@ -5816,9 +5853,11 @@ class Type_handler_olddecimal: public Type_handler_decimal_result
virtual ~Type_handler_olddecimal() {}
const Name name() const { return m_name_decimal; }
enum_field_types field_type() const { return MYSQL_TYPE_DECIMAL; }
uint32 max_display_length_for_field(const Conv_source &src) const;
uint32 calc_pack_length(uint32 length) const { return length; }
const Type_handler *type_handler_for_tmp_table(const Item *item) const;
const Type_handler *type_handler_for_union(const Item *item) const;
void show_binlog_type(const Conv_source &src, String *str) const;
Field *make_conversion_table_field(TABLE *, uint metadata,
const Field *target) const;
bool Column_definition_fix_attributes(Column_definition *c) const;
......@@ -5847,7 +5886,9 @@ class Type_handler_newdecimal: public Type_handler_decimal_result
virtual ~Type_handler_newdecimal() {}
const Name name() const { return m_name_decimal; }
enum_field_types field_type() const { return MYSQL_TYPE_NEWDECIMAL; }
uint32 max_display_length_for_field(const Conv_source &src) const;
uint32 calc_pack_length(uint32 length) const;
void show_binlog_type(const Conv_source &src, String *str) const;
Field *make_conversion_table_field(TABLE *, uint metadata,
const Field *target) const;
bool Column_definition_fix_attributes(Column_definition *c) const;
......@@ -5893,6 +5934,7 @@ class Type_handler_null: public Type_handler_general_purpose_string
const Type_handler *type_handler_for_tmp_table(const Item *item) const;
const Type_handler *type_handler_for_union(const Item *) const;
uint32 max_display_length(const Item *item) const { return 0; }
uint32 max_display_length_for_field(const Conv_source &src) const { return 0;}
uint32 calc_pack_length(uint32 length) const { return 0; }
bool Item_const_eq(const Item_const *a, const Item_const *b,
bool binary_cmp) const;
......@@ -5947,11 +5989,13 @@ class Type_handler_string: public Type_handler_longstr
const Name name() const { return m_name_char; }
enum_field_types field_type() const { return MYSQL_TYPE_STRING; }
bool is_param_long_data_type() const { return true; }
uint32 max_display_length_for_field(const Conv_source &src) const;
uint32 calc_pack_length(uint32 length) const { return length; }
const Type_handler *type_handler_for_tmp_table(const Item *item) const
{
return varstring_type_handler(item);
}
void show_binlog_type(const Conv_source &src, String *str) const;
Field *make_conversion_table_field(TABLE *, uint metadata,
const Field *target) const;
bool Column_definition_fix_attributes(Column_definition *c) const;
......@@ -5993,6 +6037,8 @@ class Type_handler_var_string: public Type_handler_string
{
return varstring_type_handler(item);
}
uint32 max_display_length_for_field(const Conv_source &src) const;
void show_binlog_type(const Conv_source &src, String *str) const;
void Column_definition_implicit_upgrade(Column_definition *c) const;
bool Column_definition_fix_attributes(Column_definition *c) const;
bool Column_definition_prepare_stage2(Column_definition *c,
......@@ -6017,6 +6063,7 @@ class Type_handler_varchar: public Type_handler_longstr
{
return MYSQL_TYPE_VAR_STRING; // Keep things compatible for old clients
}
uint32 max_display_length_for_field(const Conv_source &src) const;
uint32 calc_pack_length(uint32 length) const
{
return (length + (length < 256 ? 1: 2));
......@@ -6030,6 +6077,7 @@ class Type_handler_varchar: public Type_handler_longstr
return varstring_type_handler(item);
}
bool is_param_long_data_type() const { return true; }
void show_binlog_type(const Conv_source &src, String *str) const;
Field *make_conversion_table_field(TABLE *, uint metadata,
const Field *target) const;
bool Column_definition_fix_attributes(Column_definition *c) const;
......@@ -6065,6 +6113,12 @@ class Type_handler_hex_hybrid: public Type_handler_varchar
class Type_handler_varchar_compressed: public Type_handler_varchar
{
public:
enum_field_types real_field_type() const
{
return MYSQL_TYPE_VARCHAR_COMPRESSED;
}
uint32 max_display_length_for_field(const Conv_source &src) const;
void show_binlog_type(const Conv_source &src, String *str) const;
Field *make_conversion_table_field(TABLE *, uint metadata,
const Field *target) const;
enum_dynamic_column_type dyncol_type(const Type_all_attributes *attr) const
......@@ -6132,6 +6186,7 @@ class Type_handler_tiny_blob: public Type_handler_blob_common
uint length_bytes() const { return 1; }
const Name name() const { return m_name_tinyblob; }
enum_field_types field_type() const { return MYSQL_TYPE_TINY_BLOB; }
uint32 max_display_length_for_field(const Conv_source &src) const;
uint32 calc_pack_length(uint32 length) const;
Field *make_table_field(const LEX_CSTRING *name,
const Record_addr &addr,
......@@ -6149,6 +6204,7 @@ class Type_handler_medium_blob: public Type_handler_blob_common
uint length_bytes() const { return 3; }
const Name name() const { return m_name_mediumblob; }
enum_field_types field_type() const { return MYSQL_TYPE_MEDIUM_BLOB; }
uint32 max_display_length_for_field(const Conv_source &src) const;
uint32 calc_pack_length(uint32 length) const;
Field *make_table_field(const LEX_CSTRING *name,
const Record_addr &addr,
......@@ -6166,6 +6222,7 @@ class Type_handler_long_blob: public Type_handler_blob_common
uint length_bytes() const { return 4; }
const Name name() const { return m_name_longblob; }
enum_field_types field_type() const { return MYSQL_TYPE_LONG_BLOB; }
uint32 max_display_length_for_field(const Conv_source &src) const;
uint32 calc_pack_length(uint32 length) const;
Item *create_typecast_item(THD *thd, Item *item,
const Type_cast_attributes &attr) const;
......@@ -6185,6 +6242,7 @@ class Type_handler_blob: public Type_handler_blob_common
uint length_bytes() const { return 2; }
const Name name() const { return m_name_blob; }
enum_field_types field_type() const { return MYSQL_TYPE_BLOB; }
uint32 max_display_length_for_field(const Conv_source &src) const;
uint32 calc_pack_length(uint32 length) const;
Field *make_table_field(const LEX_CSTRING *name,
const Record_addr &addr,
......@@ -6197,6 +6255,12 @@ class Type_handler_blob: public Type_handler_blob_common
class Type_handler_blob_compressed: public Type_handler_blob
{
public:
enum_field_types real_field_type() const
{
return MYSQL_TYPE_BLOB_COMPRESSED;
}
uint32 max_display_length_for_field(const Conv_source &src) const;
void show_binlog_type(const Conv_source &src, String *str) const;
Field *make_conversion_table_field(TABLE *, uint metadata,
const Field *target) const;
enum_dynamic_column_type dyncol_type(const Type_all_attributes *attr) const
......@@ -6216,6 +6280,7 @@ class Type_handler_geometry: public Type_handler_string_result
const Name name() const { return m_name_geometry; }
enum_field_types field_type() const { return MYSQL_TYPE_GEOMETRY; }
bool is_param_long_data_type() const { return true; }
uint32 max_display_length_for_field(const Conv_source &src) const;
uint32 calc_pack_length(uint32 length) const;
const Type_handler *type_handler_for_comparison() const;
bool type_can_have_key_part() const
......@@ -6313,6 +6378,7 @@ class Type_handler_typelib: public Type_handler_general_purpose_string
enum_field_types field_type() const { return MYSQL_TYPE_STRING; }
const Type_handler *type_handler_for_item_field() const;
const Type_handler *cast_to_int_type_handler() const;
uint32 max_display_length_for_field(const Conv_source &src) const;
bool Item_hybrid_func_fix_attributes(THD *thd,
const char *name,
Type_handler_hybrid_field_type *,
......@@ -6508,12 +6574,16 @@ extern MYSQL_PLUGIN_IMPORT Type_handler_set type_handler_set;
extern MYSQL_PLUGIN_IMPORT Type_handler_string type_handler_string;
extern MYSQL_PLUGIN_IMPORT Type_handler_var_string type_handler_var_string;
extern MYSQL_PLUGIN_IMPORT Type_handler_varchar type_handler_varchar;
extern MYSQL_PLUGIN_IMPORT Type_handler_varchar_compressed
type_handler_varchar_compressed;
extern MYSQL_PLUGIN_IMPORT Type_handler_hex_hybrid type_handler_hex_hybrid;
extern MYSQL_PLUGIN_IMPORT Type_handler_tiny_blob type_handler_tiny_blob;
extern MYSQL_PLUGIN_IMPORT Type_handler_medium_blob type_handler_medium_blob;
extern MYSQL_PLUGIN_IMPORT Type_handler_long_blob type_handler_long_blob;
extern MYSQL_PLUGIN_IMPORT Type_handler_blob type_handler_blob;
extern MYSQL_PLUGIN_IMPORT Type_handler_blob_compressed
type_handler_blob_compressed;
extern MYSQL_PLUGIN_IMPORT Type_handler_bool type_handler_bool;
extern MYSQL_PLUGIN_IMPORT Type_handler_tiny type_handler_tiny;
......
storage/tokudb/mysql-test/rpl/r/rpl_extra_col_master_tokudb.result
View file @ b6851095
......@@ -510,7 +510,7 @@ INSERT INTO t11 () VALUES(1,@b1,'Testing is fun','Kyle',DEFAULT),
connection slave;
include/wait_for_slave_sql_error_and_skip.inc [errno=1677]
Last_SQL_Error = 'Column 2 of table 'test.t11' cannot be converted from type 'tinyblob' to type 'varchar(254)''
Last_SQL_Error = 'Column 2 of table 'test.t11' cannot be converted from type 'blob' to type 'varchar(254)''
*** Drop t11 ***
connection master;
......
storage/tokudb/mysql-test/rpl/r/rpl_extra_col_slave_tokudb.result
View file @ b6851095
......@@ -102,7 +102,7 @@ INSERT INTO t3 () VALUES(@b1,2,'Kyle, TEX'),(@b1,1,'JOE AUSTIN'),(@b1,4,'QA TEST
********************************************
connection slave;
include/wait_for_slave_sql_error_and_skip.inc [errno=1677]
Last_SQL_Error = 'Column 0 of table 'test.t3' cannot be converted from type 'tinyblob' to type 'int(11)''
Last_SQL_Error = 'Column 0 of table 'test.t3' cannot be converted from type 'blob' to type 'int(11)''
*** Drop t3 ***
connection master;
DROP TABLE t3;
......
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