diff options
Diffstat (limited to 'storage/xtradb/include/data0type.h')
| -rw-r--r-- | storage/xtradb/include/data0type.h | 51 |
1 files changed, 15 insertions, 36 deletions
diff --git a/storage/xtradb/include/data0type.h b/storage/xtradb/include/data0type.h index df6b6a41c11..f3ecab5a3ba 100644 --- a/storage/xtradb/include/data0type.h +++ b/storage/xtradb/include/data0type.h @@ -1,7 +1,7 @@ /***************************************************************************** Copyright (c) 1996, 2012, Oracle and/or its affiliates. All Rights Reserved. -Copyright (c) 2017, MariaDB Corporation. +Copyright (c) 2017, 2018, 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 the Free Software @@ -182,18 +182,7 @@ store the charset-collation number; one byte is left unused, though */ #define DATA_NEW_ORDER_NULL_TYPE_BUF_SIZE 6 /* Maximum multi-byte character length in bytes, plus 1 */ -#define DATA_MBMAX 5 - -/* Pack mbminlen, mbmaxlen to mbminmaxlen. */ -#define DATA_MBMINMAXLEN(mbminlen, mbmaxlen) \ - ((mbmaxlen) * DATA_MBMAX + (mbminlen)) -/* Get mbminlen from mbminmaxlen. Cast the result of UNIV_EXPECT to ulint -because in GCC it returns a long. */ -#define DATA_MBMINLEN(mbminmaxlen) ((ulint) \ - UNIV_EXPECT(((mbminmaxlen) % DATA_MBMAX), \ - 1)) -/* Get mbmaxlen from mbminmaxlen. */ -#define DATA_MBMAXLEN(mbminmaxlen) ((ulint) ((mbminmaxlen) / DATA_MBMAX)) +#define DATA_MBMAX 8 /* We now support 15 bits (up to 32767) collation number */ #define MAX_CHAR_COLL_NUM 32767 @@ -220,8 +209,10 @@ ulint dtype_get_at_most_n_mbchars( /*========================*/ ulint prtype, /*!< in: precise type */ - ulint mbminmaxlen, /*!< in: minimum and maximum length of - a multi-byte character */ + ulint mbminlen, /*!< in: minimum length of + a multi-byte character, in bytes */ + ulint mbmaxlen, /*!< in: maximum length of + a multi-byte character, in bytes */ ulint prefix_len, /*!< in: length of the requested prefix, in characters, multiplied by dtype_get_mbmaxlen(dtype) */ @@ -366,19 +357,6 @@ dtype_get_mbmaxlen( /*===============*/ const dtype_t* type); /*!< in: type */ /*********************************************************************//** -Sets the minimum and maximum length of a character, in bytes. */ -UNIV_INLINE -void -dtype_set_mbminmaxlen( -/*==================*/ - dtype_t* type, /*!< in/out: type */ - ulint mbminlen, /*!< in: minimum length of a char, - in bytes, or 0 if this is not - a character type */ - ulint mbmaxlen); /*!< in: maximum length of a char, - in bytes, or 0 if this is not - a character type */ -/*********************************************************************//** Gets the padding character code for the type. @return padding character code, or ULINT_UNDEFINED if no padding specified */ UNIV_INLINE @@ -398,7 +376,9 @@ dtype_get_fixed_size_low( ulint mtype, /*!< in: main type */ ulint prtype, /*!< in: precise type */ ulint len, /*!< in: length */ - ulint mbminmaxlen, /*!< in: minimum and maximum length of a + ulint mbminlen, /*!< in: minimum length of a + multibyte character, in bytes */ + ulint mbmaxlen, /*!< in: maximum length of a multibyte character, in bytes */ ulint comp); /*!< in: nonzero=ROW_FORMAT=COMPACT */ #ifndef UNIV_HOTBACKUP @@ -412,8 +392,8 @@ dtype_get_min_size_low( ulint mtype, /*!< in: main type */ ulint prtype, /*!< in: precise type */ ulint len, /*!< in: length */ - ulint mbminmaxlen); /*!< in: minimum and maximum length of a - multibyte character */ + ulint mbminlen, /*!< in: minimum length of a character */ + ulint mbmaxlen); /*!< in: maximum length of a character */ /***********************************************************************//** Returns the maximum size of a data type. Note: types in system tables may be incomplete and return incorrect information. @@ -530,11 +510,10 @@ struct dtype_t{ the string, MySQL uses 1 or 2 bytes to store the string length) */ #ifndef UNIV_HOTBACKUP - unsigned mbminmaxlen:5; /*!< minimum and maximum length of a - character, in bytes; - DATA_MBMINMAXLEN(mbminlen,mbmaxlen); - mbminlen=DATA_MBMINLEN(mbminmaxlen); - mbmaxlen=DATA_MBMINLEN(mbminmaxlen) */ + unsigned mbminlen:3; /*!< minimum length of a character, + in bytes */ + unsigned mbmaxlen:3; /*!< maximum length of a character, + in bytes */ #endif /* !UNIV_HOTBACKUP */ }; |