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/* Copyright (c) 2011, Monty Program Ab Copyright (c) 2011, Oleksandr Byelkin Copyright (c) 2012, 2022 MariaDB Corporation AB Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. 2. Redistributions in binary form must the following disclaimer in the documentation and/or other materials provided with the distribution. THIS SOFTWARE IS PROVIDED BY <COPYRIGHT HOLDER> ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. / #ifndef ma_dyncol_h #define ma_dyncol_h #ifdef __cplusplus extern "C" { #endif #ifndef LIBMARIADB #include <decimal.h> #include <my_decimal_limits.h> #endif #include <mysql.h> #ifndef longlong_defined #if defined(HAVE_LONG_LONG) && SIZEOF_LONG != 8 typedef unsigned long long int ulonglong; / ulong or unsigned long long / typedef long long int longlong; #else typedef unsigned long ulonglong; / ulong or unsigned long long / typedef long longlong; #endif #define longlong_defined #endif #ifndef _my_sys_h typedef struct st_dynamic_string { char str; size_t length,max_length,alloc_increment; } DYNAMIC_STRING; #endif struct st_mysql_lex_string { char str; size_t length; }; typedef struct st_mysql_lex_string MYSQL_LEX_STRING; typedef struct st_mysql_lex_string LEX_STRING; / Limits of implementation / #define MAX_TOTAL_NAME_LENGTH 65535 #define MAX_NAME_LENGTH (MAX_TOTAL_NAME_LENGTH/4) / NO and OK is the same used just to show semantics / #define ER_DYNCOL_NO ER_DYNCOL_OK enum enum_dyncol_func_result { ER_DYNCOL_OK= 0, ER_DYNCOL_YES= 1, / For functions returning 0/1 / ER_DYNCOL_FORMAT= -1, / Wrong format of the encoded string / ER_DYNCOL_LIMIT= -2, / Some limit reached / ER_DYNCOL_RESOURCE= -3, / Out of resources / ER_DYNCOL_DATA= -4, / Incorrect input data / ER_DYNCOL_UNKNOWN_CHARSET= -5, / Unknown character set / ER_DYNCOL_TRUNCATED= 2 / OK, but data was truncated / }; typedef DYNAMIC_STRING DYNAMIC_COLUMN; enum enum_dynamic_column_type { DYN_COL_NULL= 0, DYN_COL_INT, DYN_COL_UINT, DYN_COL_DOUBLE, DYN_COL_STRING, DYN_COL_DECIMAL, DYN_COL_DATETIME, DYN_COL_DATE, DYN_COL_TIME, DYN_COL_DYNCOL }; typedef enum enum_dynamic_column_type DYNAMIC_COLUMN_TYPE; struct st_dynamic_column_value { DYNAMIC_COLUMN_TYPE type; union { long long long_value; unsigned long long ulong_value; double double_value; struct { MYSQL_LEX_STRING value; MARIADB_CHARSET_INFO charset; } string; #ifndef LIBMARIADB struct { decimal_digit_t buffer[DECIMAL_BUFF_LENGTH]; decimal_t value; } decimal; #endif MYSQL_TIME time_value; } x; }; typedef struct st_dynamic_column_value DYNAMIC_COLUMN_VALUE; #ifdef MADYNCOL_DEPRECATED enum enum_dyncol_func_result dynamic_column_create(DYNAMIC_COLUMN str, uint column_nr, DYNAMIC_COLUMN_VALUE value); enum enum_dyncol_func_result dynamic_column_create_many(DYNAMIC_COLUMN str, uint column_count, uint column_numbers, DYNAMIC_COLUMN_VALUE values); enum enum_dyncol_func_result dynamic_column_update(DYNAMIC_COLUMN org, uint column_nr, DYNAMIC_COLUMN_VALUE value); enum enum_dyncol_func_result dynamic_column_update_many(DYNAMIC_COLUMN str, uint add_column_count, uint column_numbers, DYNAMIC_COLUMN_VALUE values); enum enum_dyncol_func_result dynamic_column_exists(DYNAMIC_COLUMN org, uint column_nr); enum enum_dyncol_func_result dynamic_column_list(DYNAMIC_COLUMN org, DYNAMIC_ARRAY array_of_uint); enum enum_dyncol_func_result dynamic_column_get(DYNAMIC_COLUMN org, uint column_nr, DYNAMIC_COLUMN_VALUE store_it_here); #endif / new functions / enum enum_dyncol_func_result mariadb_dyncol_create_many_num(DYNAMIC_COLUMN str, uint column_count, uint column_numbers, DYNAMIC_COLUMN_VALUE values, my_bool new_string); enum enum_dyncol_func_result mariadb_dyncol_create_many_named(DYNAMIC_COLUMN str, uint column_count, MYSQL_LEX_STRING column_keys, DYNAMIC_COLUMN_VALUE values, my_bool new_string); enum enum_dyncol_func_result mariadb_dyncol_update_many_num(DYNAMIC_COLUMN str, uint add_column_count, uint column_keys, DYNAMIC_COLUMN_VALUE values); enum enum_dyncol_func_result mariadb_dyncol_update_many_named(DYNAMIC_COLUMN str, uint add_column_count, MYSQL_LEX_STRING column_keys, DYNAMIC_COLUMN_VALUE values); enum enum_dyncol_func_result mariadb_dyncol_exists_num(DYNAMIC_COLUMN org, uint column_nr); enum enum_dyncol_func_result mariadb_dyncol_exists_named(DYNAMIC_COLUMN str, MYSQL_LEX_STRING name); /* List of not NULL columns / enum enum_dyncol_func_result mariadb_dyncol_list_num(DYNAMIC_COLUMN str, uint count, uint nums); enum enum_dyncol_func_result mariadb_dyncol_list_named(DYNAMIC_COLUMN str, uint count, MYSQL_LEX_STRING names); / if the column do not exists it is NULL / enum enum_dyncol_func_result mariadb_dyncol_get_num(DYNAMIC_COLUMN org, uint column_nr, DYNAMIC_COLUMN_VALUE store_it_here); enum enum_dyncol_func_result mariadb_dyncol_get_named(DYNAMIC_COLUMN str, MYSQL_LEX_STRING name, DYNAMIC_COLUMN_VALUE store_it_here); my_bool mariadb_dyncol_has_names(DYNAMIC_COLUMN str); enum enum_dyncol_func_result mariadb_dyncol_check(DYNAMIC_COLUMN str); enum enum_dyncol_func_result mariadb_dyncol_json(DYNAMIC_COLUMN str, DYNAMIC_STRING json); void mariadb_dyncol_free(DYNAMIC_COLUMN str); #define mariadb_dyncol_init(A) memset((A), 0, sizeof(DYNAMIC_COLUMN)) #define dynamic_column_initialize(A) mariadb_dyncol_init((A)) #define dynamic_column_column_free(A) mariadb_dyncol_free((A)) / conversion of values to 3 base types / enum enum_dyncol_func_result mariadb_dyncol_val_str(DYNAMIC_STRING str, DYNAMIC_COLUMN_VALUE val, MARIADB_CHARSET_INFO cs, char quote); enum enum_dyncol_func_result mariadb_dyncol_val_long(longlong ll, DYNAMIC_COLUMN_VALUE val); enum enum_dyncol_func_result mariadb_dyncol_val_double(double dbl, DYNAMIC_COLUMN_VALUE val); enum enum_dyncol_func_result mariadb_dyncol_unpack(DYNAMIC_COLUMN str, uint count, MYSQL_LEX_STRING names, DYNAMIC_COLUMN_VALUE vals); int mariadb_dyncol_column_cmp_named(const MYSQL_LEX_STRING s1, const MYSQL_LEX_STRING s2); enum enum_dyncol_func_result mariadb_dyncol_column_count(DYNAMIC_COLUMN str, uint column_count); #define mariadb_dyncol_value_init(V) \ do {\ (V)->type= DYN_COL_NULL;\ } while(0) /* Prepare value for using as decimal / void mariadb_dyncol_prepare_decimal(DYNAMIC_COLUMN_VALUE value); #ifdef __cplusplus } #endif #endif