Commit 0c2ffe6c authored by Zardosht Kasheff's avatar Zardosht Kasheff Committed by Yoni Fogel

addresses #1619

get cmp functions to use newly made integer comparison

git-svn-id: file:///svn/mysql/tokudb-engine/src@10726 c7de825b-a66e-492c-adef-691d508d4ae1
parent 8e343e91
......@@ -29,11 +29,43 @@ inline TOKU_TYPE mysql_to_toku_type (enum_field_types mysql_type) {
}
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(a_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;
}
//
// assuming MySQL in little endian, and we are storing in little endian
//
uchar* pack_toku_int (uchar* to_tokudb, uchar* from_mysql, int num_bytes) {
uchar* pack_toku_int (uchar* to_tokudb, uchar* from_mysql, u_int32_t num_bytes) {
switch (num_bytes) {
case (1):
case (2):
......@@ -50,7 +82,7 @@ uchar* pack_toku_int (uchar* to_tokudb, uchar* from_mysql, int num_bytes) {
//
// assuming MySQL in little endian, and we are unpacking to little endian
//
uchar* unpack_toku_int(uchar* to_mysql, uchar* from_tokudb, int num_bytes) {
uchar* unpack_toku_int(uchar* to_mysql, uchar* from_tokudb, u_int32_t num_bytes) {
switch (num_bytes) {
case (1):
case (2):
......@@ -64,12 +96,12 @@ uchar* unpack_toku_int(uchar* to_mysql, uchar* from_tokudb, int num_bytes) {
return from_tokudb+num_bytes;
}
int cmp_toku_int (uchar* a, uchar* b, bool is_signed, int num_bytes) {
int cmp_toku_int (uchar* a, uchar* b, bool is_unsigned, u_int32_t num_bytes) {
int ret_val = 0;
//
// case for unsigned integers
//
if (!is_signed) {
if (is_unsigned) {
u_int32_t a_num, b_num = 0;
u_int64_t a_big_num, b_big_num = 0;
switch (num_bytes) {
......@@ -222,12 +254,21 @@ int tokudb_compare_two_keys(
saved_key_length--;
if (!*new_key_ptr++) { continue; }
}
new_key_field_length = key_part->field->packed_col_length(new_key_ptr, key_part->length);
saved_key_field_length = key_part->field->packed_col_length(saved_key_ptr, key_part->length);
cmp = compare_field(
new_key_ptr,
saved_key_ptr,
key_part->field,
key_part->length,
&new_key_field_length,
&saved_key_field_length
);
if (cmp) {
return cmp;
}
assert(new_key_length >= new_key_field_length);
assert(saved_key_length >= saved_key_field_length);
if ((cmp = key_part->field->pack_cmp(new_key_ptr, saved_key_ptr, key_part->length, 0)))
return cmp;
new_key_ptr += new_key_field_length;
new_key_length -= new_key_field_length;
saved_key_ptr += saved_key_field_length;
......@@ -290,12 +331,21 @@ int tokudb_compare_two_clustered_keys(KEY *key, KEY* primary_key, const DBT * ne
saved_key_length--;
if (!*new_key_ptr++) { continue; }
}
new_key_field_length = key_part->field->packed_col_length(new_key_ptr, key_part->length);
saved_key_field_length = key_part->field->packed_col_length(saved_key_ptr, key_part->length);
cmp = compare_field(
new_key_ptr,
saved_key_ptr,
key_part->field,
key_part->length,
&new_key_field_length,
&saved_key_field_length
);
if (cmp) {
return cmp;
}
assert(new_key_length >= new_key_field_length);
assert(saved_key_length >= saved_key_field_length);
if ((cmp = key_part->field->pack_cmp(new_key_ptr, saved_key_ptr, key_part->length, 0)))
return cmp;
new_key_ptr += new_key_field_length;
new_key_length -= new_key_field_length;
saved_key_ptr += saved_key_field_length;
......@@ -342,12 +392,21 @@ int tokudb_compare_two_clustered_keys(KEY *key, KEY* primary_key, const DBT * ne
saved_key_length--;
if (!*new_key_ptr++) { continue; }
}
new_key_field_length = key_part->field->packed_col_length(new_key_ptr, key_part->length);
saved_key_field_length = key_part->field->packed_col_length(saved_key_ptr, key_part->length);
cmp = compare_field(
new_key_ptr,
saved_key_ptr,
key_part->field,
key_part->length,
&new_key_field_length,
&saved_key_field_length
);
if (cmp) {
return cmp;
}
assert(new_key_length >= new_key_field_length);
assert(saved_key_length >= saved_key_field_length);
if ((cmp = key_part->field->pack_cmp(new_key_ptr, saved_key_ptr, key_part->length, 0)))
return cmp;
new_key_ptr += new_key_field_length;
new_key_length -= new_key_field_length;
saved_key_ptr += saved_key_field_length;
......
......@@ -22,11 +22,12 @@ typedef enum {
inline TOKU_TYPE mysql_to_toku_type (enum_field_types mysql_type);
int compare_field(uchar* a_buf, Field* a_field, uchar* b_buf, Field* b_field);
uchar* pack_toku_int (uchar* to_tokudb, uchar* from_mysql, int num_bytes);
uchar* unpack_toku_int(uchar* to_mysql, uchar* from_tokudb, int num_bytes);
int cmp_toku_int (uchar* a, uchar* b, bool is_signed, int num_bytes);
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_signed, u_int32_t num_bytes);
//
......
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