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MDEV-21581 Helper functions and methods for CHARSET_INFO

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This commit is contained in:
Alexander Barkov
2020-01-26 20:27:13 +04:00
parent dd68ba74f3
commit f1e13fdc8d
118 changed files with 1416 additions and 1025 deletions
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14
sql/sql_class.h
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@ -1,6 +1,6 @@
/*
Copyright (c) 2000, 2016, Oracle and/or its affiliates.
Copyright (c) 2009, 2019, MariaDB Corporation.
Copyright (c) 2009, 2020, MariaDB Corporation.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
@ -3790,7 +3790,7 @@ public:
const char *src, size_t src_length);
/*
If either "dstcs" or "srccs" is &my_charset_bin,
then performs native copying using cs->cset->copy_fix().
then performs native copying using copy_fix().
Otherwise, performs Unicode conversion using convert_fix().
*/
bool copy_fix(CHARSET_INFO *dstcs, LEX_STRING *dst,
@ -6999,12 +6999,10 @@ public:
return
m_db.length == other->m_db.length &&
m_name.length == other->m_name.length &&
!my_strnncoll(cs,
(const uchar *) m_db.str, m_db.length,
(const uchar *) other->m_db.str, other->m_db.length) &&
!my_strnncoll(cs,
(const uchar *) m_name.str, m_name.length,
(const uchar *) other->m_name.str, other->m_name.length);
!cs->strnncoll(m_db.str, m_db.length,
other->m_db.str, other->m_db.length) &&
!cs->strnncoll(m_name.str, m_name.length,
other->m_name.str, other->m_name.length);
}
void copy(MEM_ROOT *mem_root, const LEX_CSTRING &db,
const LEX_CSTRING &name);