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mariadb_stmt.h
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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 MARIADB_STMT_BULK_UNIT_RESULTS_SUPPORTED(stmt)\ ((stmt)->mysql && \ (!((stmt)->mysql->server_capabilities & CLIENT_MYSQL) &&\ ((stmt)->mysql->extension->mariadb_client_flag & \ (MARIADB_CLIENT_BULK_UNIT_RESULTS >> 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, STMT_ATTR_SQL_STATEMENT }; 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_SEND_UNIT_RESULTS 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; MARIADB_CONST_STRING sql; }; 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);