Merging with mysql-5.1-rep+2

This commit is contained in:
Mats Kindahl 2009-12-15 21:21:00 +01:00
commit f9abd14225
44 changed files with 2977 additions and 485 deletions

View file

@ -104,10 +104,10 @@ pack_row(TABLE *table, MY_BITMAP const* cols,
#endif
pack_ptr= field->pack(pack_ptr, field->ptr + offset,
field->max_data_length(), TRUE);
DBUG_PRINT("debug", ("field: %s; pack_ptr: 0x%lx;"
DBUG_PRINT("debug", ("field: %s; real_type: %d, pack_ptr: 0x%lx;"
" pack_ptr':0x%lx; bytes: %d",
field->field_name, (ulong) old_pack_ptr,
(ulong) pack_ptr,
field->field_name, field->real_type(),
(ulong) old_pack_ptr, (ulong) pack_ptr,
(int) (pack_ptr - old_pack_ptr)));
}
@ -202,10 +202,30 @@ unpack_row(Relay_log_info const *rli,
// The "current" null bits
unsigned int null_bits= *null_ptr++;
uint i= 0;
table_def *tabledef= ((Relay_log_info*)rli)->get_tabledef(table);
table_def *tabledef;
TABLE *conv_table;
bool table_found= rli->get_table_data(table, &tabledef, &conv_table);
DBUG_PRINT("debug", ("Table data: table_found: %d, tabldef: %p, conv_table: %p",
table_found, tabledef, conv_table));
DBUG_ASSERT(table_found);
if (!table_found)
return HA_ERR_GENERIC;
for (field_ptr= begin_ptr ; field_ptr < end_ptr && *field_ptr ; ++field_ptr)
{
Field *const f= *field_ptr;
/*
If there is a conversion table, we pick up the field pointer to
the conversion table. If the conversion table or the field
pointer is NULL, no conversions are necessary.
*/
Field *conv_field=
conv_table ? conv_table->field[field_ptr - begin_ptr] : NULL;
Field *const f=
conv_field ? conv_field : *field_ptr;
DBUG_PRINT("debug", ("Conversion %srequired for field '%s' (#%d)",
conv_field ? "" : "not ",
(*field_ptr)->field_name, field_ptr - begin_ptr));
DBUG_ASSERT(f != NULL);
/*
No need to bother about columns that does not exist: they have
@ -275,6 +295,39 @@ unpack_row(Relay_log_info const *rli,
(int) (pack_ptr - old_pack_ptr)));
}
/*
If conv_field is set, then we are doing a conversion. In this
case, we have unpacked the master data to the conversion
table, so we need to copy the value stored in the conversion
table into the final table and do the conversion at the same time.
*/
if (conv_field)
{
Copy_field copy;
#ifndef DBUG_OFF
char source_buf[MAX_FIELD_WIDTH];
char value_buf[MAX_FIELD_WIDTH];
String source_type(source_buf, sizeof(source_buf), system_charset_info);
String value_string(value_buf, sizeof(value_buf), system_charset_info);
conv_field->sql_type(source_type);
conv_field->val_str(&value_string);
DBUG_PRINT("debug", ("Copying field '%s' of type '%s' with value '%s'",
(*field_ptr)->field_name,
source_type.c_ptr(), value_string.c_ptr()));
#endif
copy.set(*field_ptr, f, TRUE);
(*copy.do_copy)(&copy);
#ifndef DBUG_OFF
char target_buf[MAX_FIELD_WIDTH];
String target_type(target_buf, sizeof(target_buf), system_charset_info);
(*field_ptr)->sql_type(target_type);
(*field_ptr)->val_str(&value_string);
DBUG_PRINT("debug", ("Value of field '%s' of type '%s' is now '%s'",
(*field_ptr)->field_name,
target_type.c_ptr(), value_string.c_ptr()));
#endif
}
null_mask <<= 1;
}
i++;