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MDEV-5163 Merge WEIGHT_STRING function from MySQL-5.6

This commit is contained in:
Alexander Barkov
2013-10-23 20:25:52 +04:00
parent de8e306b69
commit 426d246f5b
103 changed files with 14248 additions and 826 deletions

View File

@ -0,0 +1,30 @@
select @@collation_connection;
select hex(weight_string(cast(_latin1 0x80 as char)));
select hex(weight_string(cast(_latin1 0x808080 as char)));
select hex(weight_string(cast(_latin1 0x808080 as char) as char(2)));
select hex(weight_string(cast(_latin1 0x808080 as char) as char(3)));
select hex(weight_string(cast(_latin1 0x808080 as char) as char(5)));
# Read 2 characters from the source string (the last character is not used).
select hex(weight_string(cast(_latin1 0x808080 as char), 1, 2, 0xC0));
select hex(weight_string(cast(_latin1 0x808080 as char), 2, 2, 0xC0));
select hex(weight_string(cast(_latin1 0x808080 as char), 3, 2, 0xC0));
select hex(weight_string(cast(_latin1 0x808080 as char), 4, 2, 0xC0));
select hex(weight_string(cast(_latin1 0x808080 as char), 5, 2, 0xC0));
select hex(weight_string(cast(_latin1 0x808080 as char),25, 2, 0xC0));
# Read 3 characters from the source string (the entire string is used).
select hex(weight_string(cast(_latin1 0x808080 as char), 1, 3, 0xC0));
select hex(weight_string(cast(_latin1 0x808080 as char), 2, 3, 0xC0));
select hex(weight_string(cast(_latin1 0x808080 as char), 3, 3, 0xC0));
select hex(weight_string(cast(_latin1 0x808080 as char), 4, 3, 0xC0));
select hex(weight_string(cast(_latin1 0x808080 as char), 5, 3, 0xC0));
select hex(weight_string(cast(_latin1 0x808080 as char),25, 3, 0xC0));
# Read 4 characters from the source string (extra space is added)
select hex(weight_string(cast(_latin1 0x808080 as char), 1, 4, 0xC0));
select hex(weight_string(cast(_latin1 0x808080 as char), 2, 4, 0xC0));
select hex(weight_string(cast(_latin1 0x808080 as char), 3, 4, 0xC0));
select hex(weight_string(cast(_latin1 0x808080 as char), 4, 4, 0xC0));
select hex(weight_string(cast(_latin1 0x808080 as char), 5, 4, 0xC0));
select hex(weight_string(cast(_latin1 0x808080 as char),25, 4, 0xC0));