26
24
This function returns the field size in raw bytes based on the type
27
25
and the encoded field data from the master's raw data.
29
uint32_t table_def::calc_field_size(uint32_t col, unsigned char *master_data) const
27
uint32 table_def::calc_field_size(uint col, uchar *master_data) const
33
31
switch (type(col)) {
34
case DRIZZLE_TYPE_NEWDECIMAL:
32
case MYSQL_TYPE_NEWDECIMAL:
35
33
length= my_decimal_get_binary_size(m_field_metadata[col] >> 8,
36
34
m_field_metadata[col] & 0xff);
38
case DRIZZLE_TYPE_DOUBLE:
36
case MYSQL_TYPE_DECIMAL:
37
case MYSQL_TYPE_FLOAT:
38
case MYSQL_TYPE_DOUBLE:
39
39
length= m_field_metadata[col];
42
42
The cases for SET and ENUM are include for completeness, however
43
both are mapped to type DRIZZLE_TYPE_STRING and their real types
43
both are mapped to type MYSQL_TYPE_STRING and their real types
44
44
are encoded in the field metadata.
46
case DRIZZLE_TYPE_ENUM:
48
case MYSQL_TYPE_STRING:
48
length= m_field_metadata[col] & 0x00ff;
50
uchar type= m_field_metadata[col] >> 8U;
51
if ((type == MYSQL_TYPE_SET) || (type == MYSQL_TYPE_ENUM))
52
length= m_field_metadata[col] & 0x00ff;
56
We are reading the actual size from the master_data record
57
because this field has the actual lengh stored in the first
60
length= (uint) *master_data + 1;
61
DBUG_ASSERT(length != 0);
51
case DRIZZLE_TYPE_TINY:
54
case DRIZZLE_TYPE_LONG:
69
case MYSQL_TYPE_SHORT:
72
case MYSQL_TYPE_INT24:
57
case DRIZZLE_TYPE_LONGLONG:
79
case MYSQL_TYPE_LONGLONG:
60
case DRIZZLE_TYPE_NULL:
63
case DRIZZLE_TYPE_NEWDATE:
66
case DRIZZLE_TYPE_TIME:
69
case DRIZZLE_TYPE_TIMESTAMP:
86
case MYSQL_TYPE_NEWDATE:
93
case MYSQL_TYPE_TIMESTAMP:
72
case DRIZZLE_TYPE_DATETIME:
96
case MYSQL_TYPE_DATETIME:
75
case DRIZZLE_TYPE_VARCHAR:
102
Decode the size of the bit field from the master.
103
from_len is the length in bytes from the master
104
from_bit_len is the number of extra bits stored in the master record
105
If from_bit_len is not 0, add 1 to the length to account for accurate
106
number of bytes needed.
108
uint from_len= (m_field_metadata[col] >> 8U) & 0x00ff;
109
uint from_bit_len= m_field_metadata[col] & 0x00ff;
110
DBUG_ASSERT(from_bit_len <= 7);
111
length= from_len + ((from_bit_len > 0) ? 1 : 0);
114
case MYSQL_TYPE_VARCHAR:
77
116
length= m_field_metadata[col] > 255 ? 2 : 1; // c&p of Field_varstring::data_length()
78
assert(uint2korr(master_data) > 0);
79
length+= length == 1 ? (uint32_t) *master_data : uint2korr(master_data);
117
DBUG_ASSERT(uint2korr(master_data) > 0);
118
length+= length == 1 ? (uint32) *master_data : uint2korr(master_data);
82
case DRIZZLE_TYPE_BLOB:
121
case MYSQL_TYPE_TINY_BLOB:
122
case MYSQL_TYPE_MEDIUM_BLOB:
123
case MYSQL_TYPE_LONG_BLOB:
124
case MYSQL_TYPE_BLOB:
125
case MYSQL_TYPE_GEOMETRY:
84
length= uint4korr(master_data);
128
Compute the length of the data. We cannot use get_length() here
129
since it is dependent on the specific table (and also checks the
130
packlength using the internal 'table' pointer) and replication
131
is using a fixed format for storing data in the binlog.
133
switch (m_field_metadata[col]) {
135
length= *master_data;
138
length= uint2korr(master_data);
141
length= uint3korr(master_data);
144
length= uint4korr(master_data);
147
DBUG_ASSERT(0); // Should not come here
85
151
length+= m_field_metadata[col];
89
length= ~(uint32_t) 0;
99
table_def::compatible_with(Relay_log_info const *rli_arg, Table *table)
165
table_def::compatible_with(Relay_log_info const *rli_arg, TABLE *table)
103
169
We only check the initial columns for the tables.
105
uint32_t const cols_to_check= cmin(table->s->fields, size());
171
uint const cols_to_check= min(table->s->fields, size());
107
173
Relay_log_info const *rli= const_cast<Relay_log_info*>(rli_arg);
109
175
TABLE_SHARE const *const tsh= table->s;
111
for (uint32_t col= 0 ; col < cols_to_check ; ++col)
177
for (uint col= 0 ; col < cols_to_check ; ++col)
113
179
if (table->field[col]->type() != type(col))
115
assert(col < size() && col < tsh->fields);
116
assert(tsh->db.str && tsh->table_name.str);
181
DBUG_ASSERT(col < size() && col < tsh->fields);
182
DBUG_ASSERT(tsh->db.str && tsh->table_name.str);
119
snprintf(buf, sizeof(buf), _("Column %d type mismatch - "
120
"received type %d, %s.%s has type %d"),
121
col, type(col), tsh->db.str, tsh->table_name.str,
122
table->field[col]->type());
185
my_snprintf(buf, sizeof(buf), "Column %d type mismatch - "
186
"received type %d, %s.%s has type %d",
187
col, type(col), tsh->db.str, tsh->table_name.str,
188
table->field[col]->type());
123
189
rli->report(ERROR_LEVEL, ER_BINLOG_ROW_WRONG_TABLE_DEF,
124
190
ER(ER_BINLOG_ROW_WRONG_TABLE_DEF), buf);
134
snprintf(buf, sizeof(buf), _("Column %d size mismatch - "
135
"master has size %d, %s.%s on slave has size %d."
136
" Master's column size should be <= the slave's "
137
"column size."), col,
138
table->field[col]->pack_length_from_metadata(
139
m_field_metadata[col]),
140
tsh->db.str, tsh->table_name.str,
141
table->field[col]->row_pack_length());
200
my_snprintf(buf, sizeof(buf), "Column %d size mismatch - "
201
"master has size %d, %s.%s on slave has size %d."
202
" Master's column size should be <= the slave's "
204
table->field[col]->pack_length_from_metadata(
205
m_field_metadata[col]),
206
tsh->db.str, tsh->table_name.str,
207
table->field[col]->row_pack_length());
142
208
rli->report(ERROR_LEVEL, ER_BINLOG_ROW_WRONG_TABLE_DEF,
143
209
ER(ER_BINLOG_ROW_WRONG_TABLE_DEF), buf);