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Commit d921b1db authored by Zardosht Kasheff's avatar Zardosht Kasheff Committed by Yoni Fogel
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addresses #1619 

add support for doubles
make some of these functions inline

git-svn-id: file:///svn/mysql/tokudb-engine/src@10750 c7de825b-a66e-492c-adef-691d508d4ae1
parent a5bf8d6e
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Showing with 190 additions and 140 deletions
storage/tokudb/hatoku_cmp.cc
View file @ d921b1db
......@@ -22,149 +22,21 @@ inline TOKU_TYPE mysql_to_toku_type (enum_field_types mysql_type) {
case MYSQL_TYPE_TIMESTAMP:
ret_val = toku_type_int;
break;
case MYSQL_TYPE_DOUBLE:
ret_val = toku_type_double;
break;
default:
ret_val = toku_type_unknown;
break;
}
return ret_val;
}
int compare_field(
uchar* a_buf,
uchar* b_buf,
Field* field,
u_int32_t key_part_length, //I really hope this is temporary as I phase out the pack_cmp stuff
u_int32_t* a_bytes_read,
u_int32_t* b_bytes_read
) {
int ret_val = 0;
TOKU_TYPE toku_type = mysql_to_toku_type(field->type());
switch(toku_type) {
case (toku_type_int):
ret_val = cmp_toku_int(
a_buf,
b_buf,
field->flags & UNSIGNED_FLAG,
field->pack_length()
);
*a_bytes_read = field->pack_length();
*b_bytes_read = field->pack_length();
goto exit;
default:
*a_bytes_read = field->packed_col_length(a_buf, key_part_length);
*b_bytes_read = field->packed_col_length(b_buf, key_part_length);
ret_val = field->pack_cmp(a_buf, b_buf, key_part_length, 0);
goto exit;
}
assert(false);
exit:
return ret_val;
}
//
// at the moment, this returns new position in buffer
// I want to change this to be num_bytes_packed
// cannot do it until all functions converted, because until
// then, still relying on field->pack_cmp
//
uchar* pack_field(
uchar* to_tokudb,
uchar* from_mysql,
Field* field,
u_int32_t key_part_length //I really hope this is temporary as I phase out the pack_cmp stuff
)
{
uchar* new_pos = NULL;
TOKU_TYPE toku_type = mysql_to_toku_type(field->type());
switch(toku_type) {
case (toku_type_int):
assert(key_part_length == field->pack_length());
new_pos = pack_toku_int(
to_tokudb,
from_mysql,
field->pack_length()
);
goto exit;
default:
new_pos = field->pack_key(
to_tokudb,
from_mysql,
key_part_length,
TRUE
);
goto exit;
}
assert(false);
exit:
return new_pos;
}
uchar* pack_key_field(
uchar* to_tokudb,
uchar* from_mysql,
Field* field,
u_int32_t key_part_length //I really hope this is temporary as I phase out the pack_cmp stuff
)
{
uchar* new_pos = NULL;
TOKU_TYPE toku_type = mysql_to_toku_type(field->type());
switch(toku_type) {
case (toku_type_int):
new_pos = pack_field(to_tokudb, from_mysql, field, key_part_length);
goto exit;
default:
new_pos= field->pack_key_from_key_image(
to_tokudb,
from_mysql,
key_part_length,
true
);
goto exit;
}
assert(false);
exit:
return new_pos;
}
uchar* unpack_field(
uchar* to_mysql,
uchar* from_tokudb,
Field* field,
u_int32_t key_part_length
)
{
uchar* new_pos = NULL;
TOKU_TYPE toku_type = mysql_to_toku_type(field->type());
switch(toku_type) {
case (toku_type_int):
assert(key_part_length == field->pack_length());
new_pos = unpack_toku_int(
to_mysql,
from_tokudb,
field->pack_length()
);
goto exit;
default:
new_pos = (uchar *) field->unpack_key(
to_mysql,
from_tokudb,
key_part_length,
TRUE
);
goto exit;
}
assert(false);
exit:
return new_pos;
}
//
// assuming MySQL in little endian, and we are storing in little endian
//
uchar* pack_toku_int (uchar* to_tokudb, uchar* from_mysql, u_int32_t num_bytes) {
inline uchar* pack_toku_int (uchar* to_tokudb, uchar* from_mysql, u_int32_t num_bytes) {
switch (num_bytes) {
case (1):
case (2):
......@@ -182,7 +54,7 @@ uchar* pack_toku_int (uchar* to_tokudb, uchar* from_mysql, u_int32_t num_bytes)
//
// assuming MySQL in little endian, and we are unpacking to little endian
//
uchar* unpack_toku_int(uchar* to_mysql, uchar* from_tokudb, u_int32_t num_bytes) {
inline uchar* unpack_toku_int(uchar* to_mysql, uchar* from_tokudb, u_int32_t num_bytes) {
switch (num_bytes) {
case (1):
case (2):
......@@ -197,7 +69,7 @@ uchar* unpack_toku_int(uchar* to_mysql, uchar* from_tokudb, u_int32_t num_bytes)
return from_tokudb+num_bytes;
}
int cmp_toku_int (uchar* a_buf, uchar* b_buf, bool is_unsigned, u_int32_t num_bytes) {
inline int cmp_toku_int (uchar* a_buf, uchar* b_buf, bool is_unsigned, u_int32_t num_bytes) {
int ret_val = 0;
//
// case for unsigned integers
......@@ -303,6 +175,189 @@ exit:
return ret_val;
}
inline uchar* pack_toku_double (uchar* to_tokudb, uchar* from_mysql) {
memcpy(to_tokudb, from_mysql, sizeof(double));
return to_tokudb + sizeof(double);
}
inline uchar* unpack_toku_double(uchar* to_mysql, uchar* from_tokudb) {
memcpy(to_mysql, from_tokudb, sizeof(double));
return from_tokudb + sizeof(double);
}
inline int cmp_toku_double(uchar* a_buf, uchar* b_buf) {
int ret_val;
double a_num;
double b_num;
doubleget(a_num, a_buf);
doubleget(b_num, b_buf);
if (a_num < b_num) {
ret_val = -1;
goto exit;
}
else if (a_num > b_num) {
ret_val = 1;
goto exit;
}
ret_val = 0;
exit:
return ret_val;
}
int compare_field(
uchar* a_buf,
uchar* b_buf,
Field* field,
u_int32_t key_part_length, //I really hope this is temporary as I phase out the pack_cmp stuff
u_int32_t* a_bytes_read,
u_int32_t* b_bytes_read
) {
int ret_val = 0;
TOKU_TYPE toku_type = mysql_to_toku_type(field->type());
switch(toku_type) {
case (toku_type_int):
ret_val = cmp_toku_int(
a_buf,
b_buf,
field->flags & UNSIGNED_FLAG,
field->pack_length()
);
*a_bytes_read = field->pack_length();
*b_bytes_read = field->pack_length();
goto exit;
case (toku_type_double):
assert(field->pack_length() == sizeof(double));
assert(key_part_length == sizeof(double));
ret_val = cmp_toku_double(a_buf, b_buf);
*a_bytes_read = sizeof(double);
*b_bytes_read = sizeof(double);
goto exit;
default:
*a_bytes_read = field->packed_col_length(a_buf, key_part_length);
*b_bytes_read = field->packed_col_length(b_buf, key_part_length);
ret_val = field->pack_cmp(a_buf, b_buf, key_part_length, 0);
goto exit;
}
assert(false);
exit:
return ret_val;
}
//
// at the moment, this returns new position in buffer
// I want to change this to be num_bytes_packed
// cannot do it until all functions converted, because until
// then, still relying on field->pack_cmp
//
uchar* pack_field(
uchar* to_tokudb,
uchar* from_mysql,
Field* field,
u_int32_t key_part_length //I really hope this is temporary as I phase out the pack_cmp stuff
)
{
uchar* new_pos = NULL;
TOKU_TYPE toku_type = mysql_to_toku_type(field->type());
switch(toku_type) {
case (toku_type_int):
assert(key_part_length == field->pack_length());
new_pos = pack_toku_int(
to_tokudb,
from_mysql,
field->pack_length()
);
goto exit;
case (toku_type_double):
assert(field->pack_length() == sizeof(double));
assert(key_part_length == sizeof(double));
new_pos = pack_toku_double(to_tokudb, from_mysql);
goto exit;
default:
assert(toku_type == toku_type_unknown);
new_pos = field->pack_key(
to_tokudb,
from_mysql,
key_part_length,
TRUE
);
goto exit;
}
assert(false);
exit:
return new_pos;
}
uchar* pack_key_field(
uchar* to_tokudb,
uchar* from_mysql,
Field* field,
u_int32_t key_part_length //I really hope this is temporary as I phase out the pack_cmp stuff
)
{
uchar* new_pos = NULL;
TOKU_TYPE toku_type = mysql_to_toku_type(field->type());
switch(toku_type) {
case (toku_type_int):
case (toku_type_double):
new_pos = pack_field(to_tokudb, from_mysql, field, key_part_length);
goto exit;
default:
assert(toku_type == toku_type_unknown);
new_pos= field->pack_key_from_key_image(
to_tokudb,
from_mysql,
key_part_length,
true
);
goto exit;
}
assert(false);
exit:
return new_pos;
}
uchar* unpack_field(
uchar* to_mysql,
uchar* from_tokudb,
Field* field,
u_int32_t key_part_length
)
{
uchar* new_pos = NULL;
TOKU_TYPE toku_type = mysql_to_toku_type(field->type());
switch(toku_type) {
case (toku_type_int):
assert(key_part_length == field->pack_length());
new_pos = unpack_toku_int(
to_mysql,
from_tokudb,
field->pack_length()
);
goto exit;
case (toku_type_double):
assert(field->pack_length() == sizeof(double));
assert(key_part_length == sizeof(double));
new_pos = unpack_toku_double(to_mysql, from_tokudb);
goto exit;
default:
assert(toku_type == toku_type_unknown);
new_pos = (uchar *) field->unpack_key(
to_mysql,
from_tokudb,
key_part_length,
TRUE
);
goto exit;
}
assert(false);
exit:
return new_pos;
}
inline int tokudb_compare_two_hidden_keys(
const void* new_key_data,
......
storage/tokudb/hatoku_cmp.h
View file @ d921b1db
......@@ -46,11 +46,6 @@ uchar* unpack_field(
u_int32_t key_part_length
);
uchar* pack_toku_int (uchar* to_tokudb, uchar* from_mysql, u_int32_t num_bytes);
uchar* unpack_toku_int(uchar* to_mysql, uchar* from_tokudb, u_int32_t num_bytes);
int cmp_toku_int (uchar* a, uchar* b, bool is_unsigned, u_int32_t num_bytes);
//
// for storing NULL byte in keys
//
......
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