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InnoDB: Speed up comparison functions by making

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DATA_MYSQL_LATIN1_SWEDISH_CHARSET_COLL a constant.


innobase/data/data0type.c:
  Remove data_mysql_latin1_swedish_charset_coll.
innobase/include/data0type.h:
  Replace variable data_mysql_latin1_swedish_charset_coll
  with constant DATA_MYSQL_LATIN1_SWEDISH_CHARSET_COLL.
innobase/rem/rem0cmp.c:
  Replace variable data_mysql_latin1_swedish_charset_coll
  with constant DATA_MYSQL_LATIN1_SWEDISH_CHARSET_COLL.
sql/ha_innodb.cc:
  Eliminate variable data_mysql_latin1_swedish_charset_coll.
  Add an assertion about DATA_MYSQL_LATIN1_SWEDISH_CHARSET_COLL.
This commit is contained in:
unknown 2005-04-21 15:09:10 +03:00
commit fea290807c
4 changed files with 6 additions and 7 deletions
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6
innobase/rem/rem0cmp.c
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@ -320,7 +320,7 @@ cmp_data_data_slow(
|| (cur_type->mtype == DATA_BLOB
&& 0 == (cur_type->prtype & DATA_BINARY_TYPE)
&& dtype_get_charset_coll(cur_type->prtype) !=
data_mysql_latin1_swedish_charset_coll)) {
DATA_MYSQL_LATIN1_SWEDISH_CHARSET_COLL)) {
return(cmp_whole_field(cur_type,
data1, (unsigned) len1,
@ -530,7 +530,7 @@ cmp_dtuple_rec_with_match(
|| (cur_type->mtype == DATA_BLOB
&& 0 == (cur_type->prtype & DATA_BINARY_TYPE)
&& dtype_get_charset_coll(cur_type->prtype) !=
data_mysql_latin1_swedish_charset_coll)) {
DATA_MYSQL_LATIN1_SWEDISH_CHARSET_COLL)) {
ret = cmp_whole_field(
cur_type,
@ -832,7 +832,7 @@ cmp_rec_rec_with_match(
|| (cur_type->mtype == DATA_BLOB
&& 0 == (cur_type->prtype & DATA_BINARY_TYPE)
&& dtype_get_charset_coll(cur_type->prtype) !=
data_mysql_latin1_swedish_charset_coll)) {
DATA_MYSQL_LATIN1_SWEDISH_CHARSET_COLL)) {
ret = cmp_whole_field(cur_type,
rec1_b_ptr, (unsigned) rec1_f_len,