database/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2025-07-27 18:02:13 +03:00
Code Activity

Added mysql_fetch_column function

Browse Source 
Added MYSQL_TYPE_NULL as a dummy bind case for fetch buffers
Fix for offset based re-fetch using mysql_fetch_column
Misc cleanups for ODBC compatibility
This commit is contained in:
venu@myvenu.com
2003-05-20 23:41:15 -07:00
parent 55f2e01879
commit 08e10a976a
3 changed files with 254 additions and 51 deletions
Download Patch File Download Diff File Expand all files Collapse all files

65
include/mysql.h
View File

@ -494,7 +494,7 @@ enum mysql_st_timestamp_type { MYSQL_TIMESTAMP_NONE, MYSQL_TIMESTAMP_DATE,
typedef struct mysql_st_time
{
unsigned int year,month,day,hour,minute,second;
unsigned long second_part;
unsigned long second_part;
my_bool neg;
enum mysql_st_timestamp_type time_type;
@ -505,16 +505,19 @@ typedef struct mysql_st_time
/* bind structure */
typedef struct st_mysql_bind
{
unsigned long *length; /* output length pointer */
my_bool *is_null; /* Pointer to null indicators */
char *buffer; /* buffer to get/put data */
unsigned long *length; /* output length pointer */
my_bool *is_null; /* Pointer to null indicators */
char *buffer; /* buffer to get/put data */
enum enum_field_types buffer_type; /* buffer type */
/* Must be set for string/blob data */
unsigned long buffer_length; /* buffer length */
unsigned long buffer_length; /* buffer length, must be set for str/binary */
/* The following are for internal use. Set by mysql_bind_param */
unsigned int param_number; /* For null count and error messages */
my_bool long_data_used; /* If used with mysql_send_long_data */
/* Following are for internal use. Set by mysql_bind_param */
unsigned char *inter_buffer; /* for the current data position */
unsigned long offset; /* offset position for char/binary fetch */
unsigned int param_number; /* For null count and error messages */
my_bool long_data_used; /* If used with mysql_send_long_data */
my_bool binary_data; /* data buffer is binary */
my_bool null_field; /* NULL data cache flag */
void (*store_param_func)(NET *net, struct st_mysql_bind *param);
void (*fetch_result)(struct st_mysql_bind *, unsigned char **row);
} MYSQL_BIND;
@ -523,25 +526,28 @@ typedef struct st_mysql_bind
/* statement handler */
typedef struct st_mysql_stmt
{
MYSQL *mysql; /* connection handle */
MYSQL_BIND *params; /* input parameters */
MYSQL_RES *result; /* resultset */
MYSQL_BIND *bind; /* row binding */
MYSQL_FIELD *fields; /* prepare meta info */
LIST list; /* list to keep track of all stmts */
char *query; /* query buffer */
MEM_ROOT mem_root; /* root allocations */
unsigned long param_count; /* parameters count */
unsigned long field_count; /* fields count */
unsigned long stmt_id; /* Id for prepared statement */
unsigned int last_errno; /* error code */
enum PREP_STMT_STATE state; /* statement state */
char last_error[MYSQL_ERRMSG_SIZE]; /* error message */
my_bool long_alloced; /* flag to indicate long alloced */
my_bool send_types_to_server; /* Types sent to server */
my_bool param_buffers; /* param bound buffers */
my_bool res_buffers; /* output bound buffers */
my_bool result_buffered; /* Results buffered */
MYSQL *mysql; /* connection handle */
MYSQL_BIND *params; /* input parameters */
MYSQL_RES *result; /* resultset */
MYSQL_BIND *bind; /* row binding */
MYSQL_FIELD *fields; /* prepare meta info */
LIST list; /* list to keep track of all stmts */
unsigned char *current_row; /* unbuffered row */
unsigned char *last_fetched_buffer; /* last fetched column buffer */
char *query; /* query buffer */
MEM_ROOT mem_root; /* root allocations */
my_ulonglong last_fetched_column; /* last fetched column */
unsigned long param_count; /* parameters count */
unsigned long field_count; /* fields count */
unsigned long stmt_id; /* Id for prepared statement */
unsigned int last_errno; /* error code */
enum PREP_STMT_STATE state; /* statement state */
char last_error[MYSQL_ERRMSG_SIZE]; /* error message */
my_bool long_alloced; /* flag to indicate long alloced */
my_bool send_types_to_server; /* Types sent to server */
my_bool param_buffers; /* param bound buffers */
my_bool res_buffers; /* output bound buffers */
my_bool result_buffered; /* Results buffered */
} MYSQL_STMT;
@ -558,6 +564,9 @@ 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);
int STDCALL mysql_fetch(MYSQL_STMT *stmt);
int STDCALL mysql_fetch_column(MYSQL_STMT *stmt, MYSQL_BIND *bind,
my_ulonglong column,
unsigned long offset);
my_bool STDCALL mysql_send_long_data(MYSQL_STMT *stmt,
unsigned int param_number,
const char *data,