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Diffstat (limited to '3rdparty/mysql/include/mysql.h')
| -rw-r--r-- | 3rdparty/mysql/include/mysql.h | 847 |
1 files changed, 847 insertions, 0 deletions
diff --git a/3rdparty/mysql/include/mysql.h b/3rdparty/mysql/include/mysql.h new file mode 100644 index 000000000..925a45253 --- /dev/null +++ b/3rdparty/mysql/include/mysql.h @@ -0,0 +1,847 @@ +/* Copyright (C) 2000-2003 MySQL AB + + 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 Foundation; either version 2 of the License, or + (at your option) any later version. + + This program 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 General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ + +#ifndef _mysql_h +#define _mysql_h + +#ifdef __CYGWIN__ /* CYGWIN implements a UNIX API */ +#undef WIN +#undef _WIN +#undef _WIN32 +#undef _WIN64 +#undef __WIN__ +#endif + +#ifdef __cplusplus +extern "C" { +#endif + +#ifndef _global_h /* If not standard header */ +#include <sys/types.h> +#ifdef __LCC__ +#include <winsock.h> /* For windows */ +#endif +typedef char my_bool; +#if (defined(_WIN32) || defined(_WIN64)) && !defined(__WIN__) +#define __WIN__ +#endif +#if !defined(__WIN__) +#define STDCALL +#else +#define STDCALL __stdcall +#endif +typedef char * gptr; + +#ifndef my_socket_defined +#ifdef __WIN__ +#define my_socket SOCKET +#else +typedef int my_socket; +#endif /* __WIN__ */ +#endif /* my_socket_defined */ +#endif /* _global_h */ + +#include "mysql_com.h" +#include "mysql_time.h" +#include "mysql_version.h" +#include "typelib.h" + +#include "my_list.h" /* for LISTs used in 'MYSQL' and 'MYSQL_STMT' */ + +extern unsigned int mysql_port; +extern char *mysql_unix_port; + +#define CLIENT_NET_READ_TIMEOUT 365*24*3600 /* Timeout on read */ +#define CLIENT_NET_WRITE_TIMEOUT 365*24*3600 /* Timeout on write */ + +#ifdef __NETWARE__ +#pragma pack(push, 8) /* 8 byte alignment */ +#endif + +#define IS_PRI_KEY(n) ((n) & PRI_KEY_FLAG) +#define IS_NOT_NULL(n) ((n) & NOT_NULL_FLAG) +#define IS_BLOB(n) ((n) & BLOB_FLAG) +#define IS_NUM(t) ((t) <= FIELD_TYPE_INT24 || (t) == FIELD_TYPE_YEAR || (t) == FIELD_TYPE_NEWDECIMAL) +#define IS_NUM_FIELD(f) ((f)->flags & NUM_FLAG) +#define INTERNAL_NUM_FIELD(f) (((f)->type <= FIELD_TYPE_INT24 && ((f)->type != FIELD_TYPE_TIMESTAMP || (f)->length == 14 || (f)->length == 8)) || (f)->type == FIELD_TYPE_YEAR) + + +typedef struct st_mysql_field { + char *name; /* Name of column */ + char *org_name; /* Original column name, if an alias */ + char *table; /* Table of column if column was a field */ + char *org_table; /* Org table name, if table was an alias */ + char *db; /* Database for table */ + char *catalog; /* Catalog for table */ + char *def; /* Default value (set by mysql_list_fields) */ + unsigned long length; /* Width of column (create length) */ + unsigned long max_length; /* Max width for selected set */ + unsigned int name_length; + unsigned int org_name_length; + unsigned int table_length; + unsigned int org_table_length; + unsigned int db_length; + unsigned int catalog_length; + unsigned int def_length; + unsigned int flags; /* Div flags */ + unsigned int decimals; /* Number of decimals in field */ + unsigned int charsetnr; /* Character set */ + enum enum_field_types type; /* Type of field. See mysql_com.h for types */ +} MYSQL_FIELD; + +typedef char **MYSQL_ROW; /* return data as array of strings */ +typedef unsigned int MYSQL_FIELD_OFFSET; /* offset to current field */ + +#ifndef _global_h +#if defined(NO_CLIENT_LONG_LONG) +typedef unsigned long my_ulonglong; +#elif defined (__WIN__) +typedef unsigned __int64 my_ulonglong; +#else +typedef unsigned long long my_ulonglong; +#endif +#endif + +#define MYSQL_COUNT_ERROR (~(my_ulonglong) 0) + +/* backward compatibility define - to be removed eventually */ +#define ER_WARN_DATA_TRUNCATED WARN_DATA_TRUNCATED + +typedef struct st_mysql_rows { + struct st_mysql_rows *next; /* list of rows */ + MYSQL_ROW data; + unsigned long length; +} MYSQL_ROWS; + +typedef MYSQL_ROWS *MYSQL_ROW_OFFSET; /* offset to current row */ + +#include "my_alloc.h" + +typedef struct embedded_query_result EMBEDDED_QUERY_RESULT; +typedef struct st_mysql_data { + my_ulonglong rows; + unsigned int fields; + MYSQL_ROWS *data; + MEM_ROOT alloc; + /* extra info for embedded library */ + struct embedded_query_result *embedded_info; +} MYSQL_DATA; + +enum mysql_option +{ + MYSQL_OPT_CONNECT_TIMEOUT, MYSQL_OPT_COMPRESS, MYSQL_OPT_NAMED_PIPE, + MYSQL_INIT_COMMAND, MYSQL_READ_DEFAULT_FILE, MYSQL_READ_DEFAULT_GROUP, + MYSQL_SET_CHARSET_DIR, MYSQL_SET_CHARSET_NAME, MYSQL_OPT_LOCAL_INFILE, + MYSQL_OPT_PROTOCOL, MYSQL_SHARED_MEMORY_BASE_NAME, MYSQL_OPT_READ_TIMEOUT, + MYSQL_OPT_WRITE_TIMEOUT, MYSQL_OPT_USE_RESULT, + MYSQL_OPT_USE_REMOTE_CONNECTION, MYSQL_OPT_USE_EMBEDDED_CONNECTION, + MYSQL_OPT_GUESS_CONNECTION, MYSQL_SET_CLIENT_IP, MYSQL_SECURE_AUTH, + MYSQL_REPORT_DATA_TRUNCATION, MYSQL_OPT_RECONNECT +}; + +struct st_mysql_options { + unsigned int connect_timeout, read_timeout, write_timeout; + unsigned int port, protocol; + unsigned long client_flag; + char *host,*user,*password,*unix_socket,*db; + struct st_dynamic_array *init_commands; + char *my_cnf_file,*my_cnf_group, *charset_dir, *charset_name; + char *ssl_key; /* PEM key file */ + char *ssl_cert; /* PEM cert file */ + char *ssl_ca; /* PEM CA file */ + char *ssl_capath; /* PEM directory of CA-s? */ + char *ssl_cipher; /* cipher to use */ + char *shared_memory_base_name; + unsigned long max_allowed_packet; + my_bool use_ssl; /* if to use SSL or not */ + my_bool compress,named_pipe; + /* + On connect, find out the replication role of the server, and + establish connections to all the peers + */ + my_bool rpl_probe; + /* + Each call to mysql_real_query() will parse it to tell if it is a read + or a write, and direct it to the slave or the master + */ + my_bool rpl_parse; + /* + If set, never read from a master, only from slave, when doing + a read that is replication-aware + */ + my_bool no_master_reads; +#if !defined(CHECK_EMBEDDED_DIFFERENCES) || defined(EMBEDDED_LIBRARY) + my_bool separate_thread; +#endif + enum mysql_option methods_to_use; + char *client_ip; + /* Refuse client connecting to server if it uses old (pre-4.1.1) protocol */ + my_bool secure_auth; + /* 0 - never report, 1 - always report (default) */ + my_bool report_data_truncation; + + /* function pointers for local infile support */ + int (*local_infile_init)(void **, const char *, void *); + int (*local_infile_read)(void *, char *, unsigned int); + void (*local_infile_end)(void *); + int (*local_infile_error)(void *, char *, unsigned int); + void *local_infile_userdata; +}; + +enum mysql_status +{ + MYSQL_STATUS_READY,MYSQL_STATUS_GET_RESULT,MYSQL_STATUS_USE_RESULT +}; + +enum mysql_protocol_type +{ + MYSQL_PROTOCOL_DEFAULT, MYSQL_PROTOCOL_TCP, MYSQL_PROTOCOL_SOCKET, + MYSQL_PROTOCOL_PIPE, MYSQL_PROTOCOL_MEMORY +}; +/* + There are three types of queries - the ones that have to go to + the master, the ones that go to a slave, and the adminstrative + type which must happen on the pivot connectioin +*/ +enum mysql_rpl_type +{ + MYSQL_RPL_MASTER, MYSQL_RPL_SLAVE, MYSQL_RPL_ADMIN +}; + +typedef struct character_set +{ + unsigned int number; /* character set number */ + unsigned int state; /* character set state */ + const char *csname; /* collation name */ + const char *name; /* character set name */ + const char *comment; /* comment */ + const char *dir; /* character set directory */ + unsigned int mbminlen; /* min. length for multibyte strings */ + unsigned int mbmaxlen; /* max. length for multibyte strings */ +} MY_CHARSET_INFO; + +struct st_mysql_methods; + +typedef struct st_mysql +{ + NET net; /* Communication parameters */ + gptr connector_fd; /* ConnectorFd for SSL */ + char *host,*user,*passwd,*unix_socket,*server_version,*host_info,*info; + char *db; + struct charset_info_st *charset; + MYSQL_FIELD *fields; + MEM_ROOT field_alloc; + my_ulonglong affected_rows; + my_ulonglong insert_id; /* id if insert on table with NEXTNR */ + my_ulonglong extra_info; /* Not used */ + unsigned long thread_id; /* Id for connection in server */ + unsigned long packet_length; + unsigned int port; + unsigned long client_flag,server_capabilities; + unsigned int protocol_version; + unsigned int field_count; + unsigned int server_status; + unsigned int server_language; + unsigned int warning_count; + struct st_mysql_options options; + enum mysql_status status; + my_bool free_me; /* If free in mysql_close */ + my_bool reconnect; /* set to 1 if automatic reconnect */ + + /* session-wide random string */ + char scramble[SCRAMBLE_LENGTH+1]; + + /* + Set if this is the original connection, not a master or a slave we have + added though mysql_rpl_probe() or mysql_set_master()/ mysql_add_slave() + */ + my_bool rpl_pivot; + /* + Pointers to the master, and the next slave connections, points to + itself if lone connection. + */ + struct st_mysql* master, *next_slave; + + struct st_mysql* last_used_slave; /* needed for round-robin slave pick */ + /* needed for send/read/store/use result to work correctly with replication */ + struct st_mysql* last_used_con; + + LIST *stmts; /* list of all statements */ + const struct st_mysql_methods *methods; + void *thd; + /* + Points to boolean flag in MYSQL_RES or MYSQL_STMT. We set this flag + from mysql_stmt_close if close had to cancel result set of this object. + */ + my_bool *unbuffered_fetch_owner; +#if defined(EMBEDDED_LIBRARY) || defined(EMBEDDED_LIBRARY_COMPATIBLE) || MYSQL_VERSION_ID >= 50100 + /* needed for embedded server - no net buffer to store the 'info' */ + char *info_buffer; +#endif +} MYSQL; + +typedef struct st_mysql_res { + my_ulonglong row_count; + MYSQL_FIELD *fields; + MYSQL_DATA *data; + MYSQL_ROWS *data_cursor; + unsigned long *lengths; /* column lengths of current row */ + MYSQL *handle; /* for unbuffered reads */ + MEM_ROOT field_alloc; + unsigned int field_count, current_field; + MYSQL_ROW row; /* If unbuffered read */ + MYSQL_ROW current_row; /* buffer to current row */ + my_bool eof; /* Used by mysql_fetch_row */ + /* mysql_stmt_close() had to cancel this result */ + my_bool unbuffered_fetch_cancelled; + const struct st_mysql_methods *methods; +} MYSQL_RES; + +#define MAX_MYSQL_MANAGER_ERR 256 +#define MAX_MYSQL_MANAGER_MSG 256 + +#define MANAGER_OK 200 +#define MANAGER_INFO 250 +#define MANAGER_ACCESS 401 +#define MANAGER_CLIENT_ERR 450 +#define MANAGER_INTERNAL_ERR 500 + +#if !defined(MYSQL_SERVER) && !defined(MYSQL_CLIENT) +#define MYSQL_CLIENT +#endif + + +typedef struct st_mysql_manager +{ + NET net; + char *host,*user,*passwd; + unsigned int port; + my_bool free_me; + my_bool eof; + int cmd_status; + int last_errno; + char* net_buf,*net_buf_pos,*net_data_end; + int net_buf_size; + char last_error[MAX_MYSQL_MANAGER_ERR]; +} MYSQL_MANAGER; + +typedef struct st_mysql_parameters +{ + unsigned long *p_max_allowed_packet; + unsigned long *p_net_buffer_length; +} MYSQL_PARAMETERS; + +#if !defined(MYSQL_SERVER) && !defined(EMBEDDED_LIBRARY) +#define max_allowed_packet (*mysql_get_parameters()->p_max_allowed_packet) +#define net_buffer_length (*mysql_get_parameters()->p_net_buffer_length) +#endif + +/* + Set up and bring down the server; to ensure that applications will + work when linked against either the standard client library or the + embedded server library, these functions should be called. +*/ +int STDCALL mysql_server_init(int argc, char **argv, char **groups); +void STDCALL mysql_server_end(void); +/* + mysql_server_init/end need to be called when using libmysqld or + libmysqlclient (exactly, mysql_server_init() is called by mysql_init() so + you don't need to call it explicitely; but you need to call + mysql_server_end() to free memory). The names are a bit misleading + (mysql_SERVER* to be used when using libmysqlCLIENT). So we add more general + names which suit well whether you're using libmysqld or libmysqlclient. We + intend to promote these aliases over the mysql_server* ones. +*/ +#define mysql_library_init mysql_server_init +#define mysql_library_end mysql_server_end + +MYSQL_PARAMETERS *STDCALL mysql_get_parameters(void); + +/* + Set up and bring down a thread; these function should be called + for each thread in an application which opens at least one MySQL + connection. All uses of the connection(s) should be between these + function calls. +*/ +my_bool STDCALL mysql_thread_init(void); +void STDCALL mysql_thread_end(void); + +/* + Functions to get information from the MYSQL and MYSQL_RES structures + Should definitely be used if one uses shared libraries. +*/ + +my_ulonglong STDCALL mysql_num_rows(MYSQL_RES *res); +unsigned int STDCALL mysql_num_fields(MYSQL_RES *res); +my_bool STDCALL mysql_eof(MYSQL_RES *res); +MYSQL_FIELD *STDCALL mysql_fetch_field_direct(MYSQL_RES *res, + unsigned int fieldnr); +MYSQL_FIELD * STDCALL mysql_fetch_fields(MYSQL_RES *res); +MYSQL_ROW_OFFSET STDCALL mysql_row_tell(MYSQL_RES *res); +MYSQL_FIELD_OFFSET STDCALL mysql_field_tell(MYSQL_RES *res); + +unsigned int STDCALL mysql_field_count(MYSQL *mysql); +my_ulonglong STDCALL mysql_affected_rows(MYSQL *mysql); +my_ulonglong STDCALL mysql_insert_id(MYSQL *mysql); +unsigned int STDCALL mysql_errno(MYSQL *mysql); +const char * STDCALL mysql_error(MYSQL *mysql); +const char *STDCALL mysql_sqlstate(MYSQL *mysql); +unsigned int STDCALL mysql_warning_count(MYSQL *mysql); +const char * STDCALL mysql_info(MYSQL *mysql); +unsigned long STDCALL mysql_thread_id(MYSQL *mysql); +const char * STDCALL mysql_character_set_name(MYSQL *mysql); +int STDCALL mysql_set_character_set(MYSQL *mysql, const char *csname); + +MYSQL * STDCALL mysql_init(MYSQL *mysql); +my_bool STDCALL mysql_ssl_set(MYSQL *mysql, const char *key, + const char *cert, const char *ca, + const char *capath, const char *cipher); +my_bool STDCALL mysql_change_user(MYSQL *mysql, const char *user, + const char *passwd, const char *db); +MYSQL * STDCALL mysql_real_connect(MYSQL *mysql, const char *host, + const char *user, + const char *passwd, + const char *db, + unsigned int port, + const char *unix_socket, + unsigned long clientflag); +int STDCALL mysql_select_db(MYSQL *mysql, const char *db); +int STDCALL mysql_query(MYSQL *mysql, const char *q); +int STDCALL mysql_send_query(MYSQL *mysql, const char *q, + unsigned long length); +int STDCALL mysql_real_query(MYSQL *mysql, const char *q, + unsigned long length); +MYSQL_RES * STDCALL mysql_store_result(MYSQL *mysql); +MYSQL_RES * STDCALL mysql_use_result(MYSQL *mysql); + +/* perform query on master */ +my_bool STDCALL mysql_master_query(MYSQL *mysql, const char *q, + unsigned long length); +my_bool STDCALL mysql_master_send_query(MYSQL *mysql, const char *q, + unsigned long length); +/* perform query on slave */ +my_bool STDCALL mysql_slave_query(MYSQL *mysql, const char *q, + unsigned long length); +my_bool STDCALL mysql_slave_send_query(MYSQL *mysql, const char *q, + unsigned long length); +void STDCALL mysql_get_character_set_info(MYSQL *mysql, + MY_CHARSET_INFO *charset); + +/* local infile support */ + +#define LOCAL_INFILE_ERROR_LEN 512 + +void +mysql_set_local_infile_handler(MYSQL *mysql, + int (*local_infile_init)(void **, const char *, + void *), + int (*local_infile_read)(void *, char *, + unsigned int), + void (*local_infile_end)(void *), + int (*local_infile_error)(void *, char*, + unsigned int), + void *); + +void +mysql_set_local_infile_default(MYSQL *mysql); + + +/* + enable/disable parsing of all queries to decide if they go on master or + slave +*/ +void STDCALL mysql_enable_rpl_parse(MYSQL* mysql); +void STDCALL mysql_disable_rpl_parse(MYSQL* mysql); +/* get the value of the parse flag */ +int STDCALL mysql_rpl_parse_enabled(MYSQL* mysql); + +/* enable/disable reads from master */ +void STDCALL mysql_enable_reads_from_master(MYSQL* mysql); +void STDCALL mysql_disable_reads_from_master(MYSQL* mysql); +/* get the value of the master read flag */ +my_bool STDCALL mysql_reads_from_master_enabled(MYSQL* mysql); + +enum mysql_rpl_type STDCALL mysql_rpl_query_type(const char* q, int len); + +/* discover the master and its slaves */ +my_bool STDCALL mysql_rpl_probe(MYSQL* mysql); + +/* set the master, close/free the old one, if it is not a pivot */ +int STDCALL mysql_set_master(MYSQL* mysql, const char* host, + unsigned int port, + const char* user, + const char* passwd); +int STDCALL mysql_add_slave(MYSQL* mysql, const char* host, + unsigned int port, + const char* user, + const char* passwd); + +int STDCALL mysql_shutdown(MYSQL *mysql, + enum mysql_enum_shutdown_level + shutdown_level); +int STDCALL mysql_dump_debug_info(MYSQL *mysql); +int STDCALL mysql_refresh(MYSQL *mysql, + unsigned int refresh_options); +int STDCALL mysql_kill(MYSQL *mysql,unsigned long pid); +int STDCALL mysql_set_server_option(MYSQL *mysql, + enum enum_mysql_set_option + option); +int STDCALL mysql_ping(MYSQL *mysql); +const char * STDCALL mysql_stat(MYSQL *mysql); +const char * STDCALL mysql_get_server_info(MYSQL *mysql); +const char * STDCALL mysql_get_client_info(void); +unsigned long STDCALL mysql_get_client_version(void); +const char * STDCALL mysql_get_host_info(MYSQL *mysql); +unsigned long STDCALL mysql_get_server_version(MYSQL *mysql); +unsigned int STDCALL mysql_get_proto_info(MYSQL *mysql); +MYSQL_RES * STDCALL mysql_list_dbs(MYSQL *mysql,const char *wild); +MYSQL_RES * STDCALL mysql_list_tables(MYSQL *mysql,const char *wild); +MYSQL_RES * STDCALL mysql_list_processes(MYSQL *mysql); +int STDCALL mysql_options(MYSQL *mysql,enum mysql_option option, + const char *arg); +void STDCALL mysql_free_result(MYSQL_RES *result); +void STDCALL mysql_data_seek(MYSQL_RES *result, + my_ulonglong offset); +MYSQL_ROW_OFFSET STDCALL mysql_row_seek(MYSQL_RES *result, + MYSQL_ROW_OFFSET offset); +MYSQL_FIELD_OFFSET STDCALL mysql_field_seek(MYSQL_RES *result, + MYSQL_FIELD_OFFSET offset); +MYSQL_ROW STDCALL mysql_fetch_row(MYSQL_RES *result); +unsigned long * STDCALL mysql_fetch_lengths(MYSQL_RES *result); +MYSQL_FIELD * STDCALL mysql_fetch_field(MYSQL_RES *result); +MYSQL_RES * STDCALL mysql_list_fields(MYSQL *mysql, const char *table, + const char *wild); +unsigned long STDCALL mysql_escape_string(char *to,const char *from, + unsigned long from_length); +unsigned long STDCALL mysql_hex_string(char *to,const char *from, + unsigned long from_length); +unsigned long STDCALL mysql_real_escape_string(MYSQL *mysql, + char *to,const char *from, + unsigned long length); +void STDCALL mysql_debug(const char *debug); +char * STDCALL mysql_odbc_escape_string(MYSQL *mysql, + char *to, + unsigned long to_length, + const char *from, + unsigned long from_length, + void *param, + char * + (*extend_buffer) + (void *, char *to, + unsigned long *length)); +void STDCALL myodbc_remove_escape(MYSQL *mysql,char *name); +unsigned int STDCALL mysql_thread_safe(void); +my_bool STDCALL mysql_embedded(void); +MYSQL_MANAGER* STDCALL mysql_manager_init(MYSQL_MANAGER* con); +MYSQL_MANAGER* STDCALL mysql_manager_connect(MYSQL_MANAGER* con, + const char* host, + const char* user, + const char* passwd, + unsigned int port); +void STDCALL mysql_manager_close(MYSQL_MANAGER* con); +int STDCALL mysql_manager_command(MYSQL_MANAGER* con, + const char* cmd, int cmd_len); +int STDCALL mysql_manager_fetch_line(MYSQL_MANAGER* con, + char* res_buf, + int res_buf_size); +my_bool STDCALL mysql_read_query_result(MYSQL *mysql); + + +/* + The following definitions are added for the enhanced + client-server protocol +*/ + +/* statement state */ +enum enum_mysql_stmt_state +{ + MYSQL_STMT_INIT_DONE= 1, MYSQL_STMT_PREPARE_DONE, MYSQL_STMT_EXECUTE_DONE, + MYSQL_STMT_FETCH_DONE +}; + + +/* + This structure is used to define bind information, and + internally by the client library. + Public members with their descriptions are listed below + (conventionally `On input' refers to the binds given to + mysql_stmt_bind_param, `On output' refers to the binds given + to mysql_stmt_bind_result): + + buffer_type - One of the MYSQL_* types, used to describe + the host language type of buffer. + On output: if column type is different from + buffer_type, column value is automatically converted + to buffer_type before it is stored in the buffer. + buffer - On input: points to the buffer with input data. + On output: points to the buffer capable to store + output data. + The type of memory pointed by buffer must correspond + to buffer_type. See the correspondence table in + the comment to mysql_stmt_bind_param. + + The two above members are mandatory for any kind of bind. + + buffer_length - the length of the buffer. You don't have to set + it for any fixed length buffer: float, double, + int, etc. It must be set however for variable-length + types, such as BLOBs or STRINGs. + + length - On input: in case when lengths of input values + are different for each execute, you can set this to + point at a variable containining value length. This + way the value length can be different in each execute. + If length is not NULL, buffer_length is not used. + Note, length can even point at buffer_length if + you keep bind structures around while fetching: + this way you can change buffer_length before + each execution, everything will work ok. + On output: if length is set, mysql_stmt_fetch will + write column length into it. + + is_null - On input: points to a boolean variable that should + be set to TRUE for NULL values. + This member is useful only if your data may be + NULL in some but not all cases. + If your data is never NULL, is_null should be set to 0. + If your data is always NULL, set buffer_type + to MYSQL_TYPE_NULL, and is_null will not be used. + + is_unsigned - On input: used to signify that values provided for one + of numeric types are unsigned. + On output describes signedness of the output buffer. + If, taking into account is_unsigned flag, column data + is out of range of the output buffer, data for this column + is regarded truncated. Note that this has no correspondence + to the sign of result set column, if you need to find it out + use mysql_stmt_result_metadata. + error - where to write a truncation error if it is present. + possible error value is: + 0 no truncation + 1 value is out of range or buffer is too small + + Please note that MYSQL_BIND also has internals members. +*/ + +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; + enum enum_field_types buffer_type; /* buffer type */ + /* output buffer length, must be set when fetching str/binary */ + unsigned long buffer_length; + unsigned char *row_ptr; /* for the current data position */ + unsigned long offset; /* offset position for char/binary fetch */ + unsigned long length_value; /* Used if length is 0 */ + unsigned int param_number; /* For null count and error messages */ + unsigned int pack_length; /* Internal length for packed data */ + 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 (*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); +} MYSQL_BIND; + + +/* statement handler */ +typedef struct st_mysql_stmt +{ + MEM_ROOT mem_root; /* root allocations */ + LIST list; /* list to keep track of all stmts */ + MYSQL *mysql; /* connection handle */ + MYSQL_BIND *params; /* input parameters */ + MYSQL_BIND *bind; /* output parameters */ + MYSQL_FIELD *fields; /* result set metadata */ + MYSQL_DATA result; /* cached result set */ + MYSQL_ROWS *data_cursor; /* current row in cached result */ + /* copy of mysql->affected_rows after statement execution */ + my_ulonglong affected_rows; + my_ulonglong insert_id; /* copy of mysql->insert_id */ + /* + mysql_stmt_fetch() calls this function to fetch one row (it's different + for buffered, unbuffered and cursor fetch). + */ + int (*read_row_func)(struct st_mysql_stmt *stmt, + unsigned char **row); + unsigned long stmt_id; /* Id for prepared statement */ + unsigned long flags; /* i.e. type of cursor to open */ + unsigned long prefetch_rows; /* number of rows per one COM_FETCH */ + /* + Copied from mysql->server_status after execute/fetch to know + server-side cursor status for this statement. + */ + unsigned int server_status; + unsigned int last_errno; /* error code */ + unsigned int param_count; /* input parameter count */ + unsigned int field_count; /* number of columns in result set */ + enum enum_mysql_stmt_state state; /* statement state */ + char last_error[MYSQL_ERRMSG_SIZE]; /* error message */ + char sqlstate[SQLSTATE_LENGTH+1]; + /* Types of input parameters should be sent to server */ + my_bool send_types_to_server; + my_bool bind_param_done; /* input buffers were supplied */ + unsigned char bind_result_done; /* output buffers were supplied */ + /* mysql_stmt_close() had to cancel this result */ + my_bool unbuffered_fetch_cancelled; + /* + Is set to true if we need to calculate field->max_length for + metadata fields when doing mysql_stmt_store_result. + */ + my_bool update_max_length; +} MYSQL_STMT; + +enum enum_stmt_attr_type +{ + /* + When doing mysql_stmt_store_result calculate max_length attribute + of statement metadata. This is to be consistent with the old API, + where this was done automatically. + In the new API we do that only by request because it slows down + mysql_stmt_store_result sufficiently. + */ + STMT_ATTR_UPDATE_MAX_LENGTH, + /* + unsigned long with combination of cursor flags (read only, for update, + etc) + */ + STMT_ATTR_CURSOR_TYPE, + /* + Amount of rows to retrieve from server per one fetch if using cursors. + Accepts unsigned long attribute in the range 1 - ulong_max + */ + STMT_ATTR_PREFETCH_ROWS +}; + + +typedef struct st_mysql_methods +{ + my_bool (*read_query_result)(MYSQL *mysql); + my_bool (*advanced_command)(MYSQL *mysql, + enum enum_server_command command, + const char *header, + unsigned long header_length, + const char *arg, + unsigned long arg_length, + my_bool skip_check); + MYSQL_DATA *(*read_rows)(MYSQL *mysql,MYSQL_FIELD *mysql_fields, + unsigned int fields); + MYSQL_RES * (*use_result)(MYSQL *mysql); + void (*fetch_lengths)(unsigned long *to, + MYSQL_ROW column, unsigned int field_count); + void (*flush_use_result)(MYSQL *mysql); +#if !defined(MYSQL_SERVER) || defined(EMBEDDED_LIBRARY) + MYSQL_FIELD * (*list_fields)(MYSQL *mysql); + my_bool (*read_prepare_result)(MYSQL *mysql, MYSQL_STMT *stmt); + int (*stmt_execute)(MYSQL_STMT *stmt); + int (*read_binary_rows)(MYSQL_STMT *stmt); + int (*unbuffered_fetch)(MYSQL *mysql, char **row); + void (*free_embedded_thd)(MYSQL *mysql); + const char *(*read_statistics)(MYSQL *mysql); + my_bool (*next_result)(MYSQL *mysql); + int (*read_change_user_result)(MYSQL *mysql, char *buff, const char *passwd); + int (*read_rows_from_cursor)(MYSQL_STMT *stmt); +#endif +} MYSQL_METHODS; + + +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, + 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, my_ulonglong offset); +my_ulonglong STDCALL mysql_stmt_num_rows(MYSQL_STMT *stmt); +my_ulonglong STDCALL mysql_stmt_affected_rows(MYSQL_STMT *stmt); +my_ulonglong STDCALL mysql_stmt_insert_id(MYSQL_STMT *stmt); +unsigned int STDCALL mysql_stmt_field_count(MYSQL_STMT *stmt); + +my_bool STDCALL mysql_commit(MYSQL * mysql); +my_bool STDCALL mysql_rollback(MYSQL * mysql); +my_bool STDCALL mysql_autocommit(MYSQL * mysql, my_bool auto_mode); +my_bool STDCALL mysql_more_results(MYSQL *mysql); +int STDCALL mysql_next_result(MYSQL *mysql); +void STDCALL mysql_close(MYSQL *sock); + + +/* status return codes */ +#define MYSQL_NO_DATA 100 +#define MYSQL_DATA_TRUNCATED 101 + +#define mysql_reload(mysql) mysql_refresh((mysql),REFRESH_GRANT) + +#ifdef USE_OLD_FUNCTIONS +MYSQL * STDCALL mysql_connect(MYSQL *mysql, const char *host, + const char *user, const char *passwd); +int STDCALL mysql_create_db(MYSQL *mysql, const char *DB); +int STDCALL mysql_drop_db(MYSQL *mysql, const char *DB); +#define mysql_reload(mysql) mysql_refresh((mysql),REFRESH_GRANT) +#endif +#define HAVE_MYSQL_REAL_CONNECT + +/* + The following functions are mainly exported because of mysqlbinlog; + They are not for general usage +*/ + +#define simple_command(mysql, command, arg, length, skip_check) \ + (*(mysql)->methods->advanced_command)(mysql, command, \ + NullS, 0, arg, length, skip_check) +unsigned long net_safe_read(MYSQL* mysql); + +#ifdef __NETWARE__ +#pragma pack(pop) /* restore alignment */ +#endif + +#ifdef __cplusplus +} +#endif + +#endif /* _mysql_h */ |