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Diffstat (limited to 'include/ma_dyncol.h')
| -rw-r--r-- | include/ma_dyncol.h | 251 |
1 files changed, 251 insertions, 0 deletions
diff --git a/include/ma_dyncol.h b/include/ma_dyncol.h new file mode 100644 index 00000000..f697c907 --- /dev/null +++ b/include/ma_dyncol.h @@ -0,0 +1,251 @@ +/* Copyright (c) 2011, Monty Program Ab + Copyright (c) 2011, Oleksandr Byelkin + + 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 + +#include <decimal.h> +#include <my_decimal_limits.h> +#include <mysql_time.h> + +#ifndef _my_sys_h +typedef struct st_dynamic_string +{ + char *str; + size_t length,max_length,alloc_increment; +} DYNAMIC_STRING; +#endif + +#ifndef MY_GLOBAL_INCLUDED +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; +#endif + +/* + 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 + +#ifdef HAVE_CHARSET_utf8mb4 +#define DYNCOL_UTF (&my_charset_utf8mb4_general_ci) +#else +#define DYNCOL_UTF (&my_charset_utf8mb3_general_ci) +#endif + +/* escape json strings */ +#define DYNCOL_JSON_ESC ((char)1) + +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; + CHARSET_INFO *charset; + } string; + struct { + decimal_digit_t buffer[DECIMAL_BUFF_LENGTH]; + decimal_t value; + } decimal; + 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); + +#define mariadb_dyncol_init(A) memset((A), 0, sizeof(*(A))) +void mariadb_dyncol_free(DYNAMIC_COLUMN *str); + +/* conversion of values to 3 base types */ +enum enum_dyncol_func_result +mariadb_dyncol_val_str(DYNAMIC_STRING *str, DYNAMIC_COLUMN_VALUE *val, + CHARSET_INFO *cs, my_bool 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); + +void mariadb_dyncol_unpack_free(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) (V)->type= DYN_COL_NULL + +/* + Prepare value for using as decimal +*/ +void mariadb_dyncol_prepare_decimal(DYNAMIC_COLUMN_VALUE *value); + +#ifdef __cplusplus +} +#endif +#endif |