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/************************************************************************
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
MA 02111-1301, USA
Part of this code includes code from PHP's mysqlnd extension
(written by Andrey Hristov, Georg Richter and Ulf Wendel), freely
available from http://www.php.net/software
*************************************************************************/
#define MYSQL_NO_DATA 100
#define MYSQL_DATA_TRUNCATED 101
#define MYSQL_DEFAULT_PREFETCH_ROWS (unsigned long) 1
/* Bind flags */
#define MADB_BIND_DUMMY 1
#define MARIADB_STMT_BULK_SUPPORTED(stmt)\
((stmt)->mysql && \
(!((stmt)->mysql->server_capabilities & CLIENT_MYSQL) &&\
((stmt)->mysql->extension->mariadb_server_capabilities & \
(MARIADB_CLIENT_STMT_BULK_OPERATIONS >> 32))))
#define CLEAR_CLIENT_STMT_ERROR(a) \
do { \
(a)->last_errno= 0;\
strcpy((a)->sqlstate, "00000");\
(a)->last_error[0]= 0;\
} while (0)
#define MYSQL_PS_SKIP_RESULT_W_LEN -1
#define MYSQL_PS_SKIP_RESULT_STR -2
#define STMT_ID_LENGTH 4
typedef struct st_mysql_stmt MYSQL_STMT;
typedef MYSQL_RES* (*mysql_stmt_use_or_store_func)(MYSQL_STMT *);
enum enum_stmt_attr_type
{
STMT_ATTR_UPDATE_MAX_LENGTH,
STMT_ATTR_CURSOR_TYPE,
STMT_ATTR_PREFETCH_ROWS,
/* MariaDB only */
STMT_ATTR_PREBIND_PARAMS=200,
STMT_ATTR_ARRAY_SIZE,
STMT_ATTR_ROW_SIZE,
STMT_ATTR_STATE,
STMT_ATTR_CB_USER_DATA,
STMT_ATTR_CB_PARAM,
STMT_ATTR_CB_RESULT
};
enum enum_cursor_type
{
CURSOR_TYPE_NO_CURSOR= 0,
CURSOR_TYPE_READ_ONLY= 1,
CURSOR_TYPE_FOR_UPDATE= 2,
CURSOR_TYPE_SCROLLABLE= 4
};
enum enum_indicator_type
{
STMT_INDICATOR_NTS=-1,
STMT_INDICATOR_NONE=0,
STMT_INDICATOR_NULL=1,
STMT_INDICATOR_DEFAULT=2,
STMT_INDICATOR_IGNORE=3,
STMT_INDICATOR_IGNORE_ROW=4
};
/*
bulk PS flags
*/
#define STMT_BULK_FLAG_CLIENT_SEND_TYPES 128
#define STMT_BULK_FLAG_INSERT_ID_REQUEST 64
typedef enum mysql_stmt_state
{
MYSQL_STMT_INITTED = 0,
MYSQL_STMT_PREPARED,
MYSQL_STMT_EXECUTED,
MYSQL_STMT_WAITING_USE_OR_STORE,
MYSQL_STMT_USE_OR_STORE_CALLED,
MYSQL_STMT_USER_FETCHING, /* fetch_row_buff or fetch_row_unbuf */
MYSQL_STMT_FETCH_DONE
} enum_mysqlnd_stmt_state;
typedef struct st_mysql_bind
{
unsigned long *length; /* output length pointer */
my_bool *is_null; /* Pointer to null indicator */
void *buffer; /* buffer to get/put data */
/* set this if you want to track data truncations happened during fetch */
my_bool *error;
union {
unsigned char *row_ptr; /* for the current data position */
char *indicator; /* indicator variable */
} u;
void (*store_param_func)(NET *net, struct st_mysql_bind *param);
void (*fetch_result)(struct st_mysql_bind *, MYSQL_FIELD *,
unsigned char **row);
void (*skip_result)(struct st_mysql_bind *, MYSQL_FIELD *,
unsigned char **row);
/* output buffer length, must be set when fetching str/binary */
unsigned long buffer_length;
unsigned long offset; /* offset position for char/binary fetch */
unsigned long length_value; /* Used if length is 0 */
unsigned int flags; /* special flags, e.g. for dummy bind */
unsigned int pack_length; /* Internal length for packed data */
enum enum_field_types buffer_type; /* buffer type */
my_bool error_value; /* used if error is 0 */
my_bool is_unsigned; /* set if integer type is unsigned */
my_bool long_data_used; /* If used with mysql_send_long_data */
my_bool is_null_value; /* Used if is_null is 0 */
void *extension;
} MYSQL_BIND;
typedef struct st_mysqlnd_upsert_result
{
unsigned int warning_count;
unsigned int server_status;
unsigned long long affected_rows;
unsigned long long last_insert_id;
} mysql_upsert_status;
typedef struct st_mysql_cmd_buffer
{
unsigned char *buffer;
size_t length;
} MYSQL_CMD_BUFFER;
typedef struct st_mysql_error_info
{
unsigned int error_no;
char error[MYSQL_ERRMSG_SIZE+1];
char sqlstate[SQLSTATE_LENGTH + 1];
} mysql_error_info;
typedef int (*mysql_stmt_fetch_row_func)(MYSQL_STMT *stmt, unsigned char **row);
typedef void (*ps_result_callback)(void *data, unsigned int column, unsigned char **row);
typedef my_bool *(*ps_param_callback)(void *data, MYSQL_BIND *bind, unsigned int row_nr);
struct st_mysql_stmt
{
MA_MEM_ROOT mem_root;
MYSQL *mysql;
unsigned long stmt_id;
unsigned long flags;/* cursor is set here */
enum_mysqlnd_stmt_state state;
MYSQL_FIELD *fields;
unsigned int field_count;
unsigned int param_count;
unsigned char send_types_to_server;
MYSQL_BIND *params;
MYSQL_BIND *bind;
MYSQL_DATA result; /* we don't use mysqlnd's result set logic */
MYSQL_ROWS *result_cursor;
my_bool bind_result_done;
my_bool bind_param_done;
mysql_upsert_status upsert_status;
unsigned int last_errno;
char last_error[MYSQL_ERRMSG_SIZE+1];
char sqlstate[SQLSTATE_LENGTH + 1];
my_bool update_max_length;
unsigned long prefetch_rows;
LIST list;
my_bool cursor_exists;
void *extension;
mysql_stmt_fetch_row_func fetch_row_func;
unsigned int execute_count;/* count how many times the stmt was executed */
mysql_stmt_use_or_store_func default_rset_handler;
unsigned char *request_buffer;
unsigned int array_size;
size_t row_size;
unsigned int prebind_params;
void *user_data;
ps_result_callback result_callback;
ps_param_callback param_callback;
size_t request_length;
};
typedef void (*ps_field_fetch_func)(MYSQL_BIND *r_param, const MYSQL_FIELD * field, unsigned char **row);
typedef struct st_mysql_perm_bind {
ps_field_fetch_func func;
/* should be signed int */
int pack_len;
unsigned long max_len;
} MYSQL_PS_CONVERSION;
extern MYSQL_PS_CONVERSION mysql_ps_fetch_functions[MYSQL_TYPE_GEOMETRY + 1];
unsigned long ma_net_safe_read(MYSQL *mysql);
void mysql_init_ps_subsystem(void);
unsigned long net_field_length(unsigned char **packet);
int ma_simple_command(MYSQL *mysql,enum enum_server_command command, const char *arg,
size_t length, my_bool skipp_check, void *opt_arg);
void stmt_set_error(MYSQL_STMT *stmt,
unsigned int error_nr,
const char *sqlstate,
const char *format,
...);
/*
* function prototypes
*/
MYSQL_STMT * STDCALL mysql_stmt_init(MYSQL *mysql);
int STDCALL mysql_stmt_prepare(MYSQL_STMT *stmt, const char *query, unsigned long length);
int STDCALL mysql_stmt_execute(MYSQL_STMT *stmt);
int STDCALL mysql_stmt_fetch(MYSQL_STMT *stmt);
int STDCALL mysql_stmt_fetch_column(MYSQL_STMT *stmt, MYSQL_BIND *bind_arg, unsigned int column, unsigned long offset);
int STDCALL mysql_stmt_store_result(MYSQL_STMT *stmt);
unsigned long STDCALL mysql_stmt_param_count(MYSQL_STMT * stmt);
my_bool STDCALL mysql_stmt_attr_set(MYSQL_STMT *stmt, enum enum_stmt_attr_type attr_type, const void *attr);
my_bool STDCALL mysql_stmt_attr_get(MYSQL_STMT *stmt, enum enum_stmt_attr_type attr_type, void *attr);
my_bool STDCALL mysql_stmt_bind_param(MYSQL_STMT * stmt, MYSQL_BIND * bnd);
my_bool STDCALL mysql_stmt_bind_result(MYSQL_STMT * stmt, MYSQL_BIND * bnd);
my_bool STDCALL mysql_stmt_close(MYSQL_STMT * stmt);
my_bool STDCALL mysql_stmt_reset(MYSQL_STMT * stmt);
my_bool STDCALL mysql_stmt_free_result(MYSQL_STMT *stmt);
my_bool STDCALL mysql_stmt_send_long_data(MYSQL_STMT *stmt, unsigned int param_number, const char *data, unsigned long length);
MYSQL_RES *STDCALL mysql_stmt_result_metadata(MYSQL_STMT *stmt);
MYSQL_RES *STDCALL mysql_stmt_param_metadata(MYSQL_STMT *stmt);
unsigned int STDCALL mysql_stmt_errno(MYSQL_STMT * stmt);
const char *STDCALL mysql_stmt_error(MYSQL_STMT * stmt);
const char *STDCALL mysql_stmt_sqlstate(MYSQL_STMT * stmt);
MYSQL_ROW_OFFSET STDCALL mysql_stmt_row_seek(MYSQL_STMT *stmt, MYSQL_ROW_OFFSET offset);
MYSQL_ROW_OFFSET STDCALL mysql_stmt_row_tell(MYSQL_STMT *stmt);
void STDCALL mysql_stmt_data_seek(MYSQL_STMT *stmt, unsigned long long offset);
unsigned long long STDCALL mysql_stmt_num_rows(MYSQL_STMT *stmt);
unsigned long long STDCALL mysql_stmt_affected_rows(MYSQL_STMT *stmt);
unsigned long long STDCALL mysql_stmt_insert_id(MYSQL_STMT *stmt);
unsigned int STDCALL mysql_stmt_field_count(MYSQL_STMT *stmt);
int STDCALL mysql_stmt_next_result(MYSQL_STMT *stmt);
my_bool STDCALL mysql_stmt_more_results(MYSQL_STMT *stmt);
int STDCALL mariadb_stmt_execute_direct(MYSQL_STMT *stmt, const char *stmt_str, size_t length);
MYSQL_FIELD * STDCALL mariadb_stmt_fetch_fields(MYSQL_STMT *stmt);