static result_set process_result_set (DB_HANDLE conn,MYSQL_RES *res_set)
{
MYSQL_ROW row;
MYSQL_FIELD **field;
unsigned long field_num;
unsigned int i;
mysql_field_seek (res_set, 0);
field_num = mysql_num_fields (res_set);
//field = malloc(sizeof(MYSQL_FIELD*)*field_num);
//if(field == NULL)
// return NULL;
result_set result = create_result_set(field_num);
/*if(result == NULL)
{
free(field);
return NULL;
}*/
while ((row = mysql_fetch_row (res_set)) != NULL)
{
mysql_field_seek (res_set, 0);
for (i = 0; i < mysql_num_fields (res_set); i++)
{
if (row[i] == NULL)
printf (" %s ","NULL");
//else if (IS_NUM (field[i]->type))
// printf (" %s ",row[i]);
else
printf (" %s ",row[i]);
}
fputc ('\n', stdout);
}
//free(field);
return result;
}
//测试用
void MySqlConn::printResult(MYSQL_RES* result) {
int iFields = mysql_num_fields(result);
MYSQL_FIELD* field;
mysql_field_seek(result, 0);
for (int i = 0; i < iFields; ++i) {
field = mysql_fetch_field(result);
if (i > 0) {
printf("\t");
}
printf("%s", field->name);
}
printf("\n");
MYSQL_ROW row;
while ((row = mysql_fetch_row(result)) != NULL) {
for (int i = 0; i < iFields; ++i) {
if (i > 0) {
printf("\t");
}
printf("%s", row[i] != NULL ? row[i] : "NULL");
}
printf("\n");
}
}
CMysqlRow* CMysqlQuery::fetch()
{
if( m_bEnd )
return 0;
if( !m_row.m_row )
{
m_row.m_row = mysql_fetch_row(m_pResult);
m_row.m_lengths = mysql_fetch_lengths(m_pResult);
m_row.m_fields = mysql_num_fields(m_pResult);
mysql_field_seek(m_pResult, 0);
unsigned int i;
for( i=0; i<m_row.m_fields; i++ )
{
MYSQL_FIELD* field = mysql_fetch_field(m_pResult);
m_row.m_types[i] = field->type;
m_field_index.insert(std::pair<std::string, unsigned int>(field->name, i));
}
}
else
{
m_row.m_row = mysql_fetch_row(m_pResult);
//m_row.m_lengths = mysql_fetch_lengths(m_pResult);
}
if( !m_row.m_row )
{
clear();
m_bEnd = true;
return 0;
}
return &m_row;
}
QSqlRecordInfo QMYSQLDriver::recordInfo( const QSqlQuery& query ) const
{
QSqlRecordInfo info;
if ( !isOpen() )
return info;
if ( query.isActive() && query.isSelect() && query.driver() == this ) {
QMYSQLResult* result = (QMYSQLResult*)query.result();
QMYSQLResultPrivate* p = result->d;
if ( !mysql_errno( p->mysql ) ) {
for ( ;; ) {
MYSQL_FIELD* field = mysql_fetch_field( p->result );
if ( field ) {
info.append ( QSqlFieldInfo( QString( field->name ),
qDecodeMYSQLType( (int)field->type, field->flags ),
IS_NOT_NULL( field->flags ),
(int)field->length,
(int)field->decimals,
QVariant(),
(int)field->type ) );
} else
break;
}
}
mysql_field_seek( p->result, 0 );
}
return info;
}
struct field_metadatas *db_get_table_metadata(DB_HANDLE conn,const char *table)
{
MYSQL_RES *res_set;
res_set = mysql_list_fields(conn,table,NULL);
if(res_set)
{
struct field_metadatas* metadatas = malloc(sizeof(struct field_metadatas));
MYSQL_FIELD **field;
unsigned int i;
mysql_field_seek(res_set, 0);
metadatas->size = mysql_num_fields(res_set);
metadatas->_field_metadata = malloc(sizeof(struct field_metadata)*metadatas->size);
field = malloc(sizeof(MYSQL_FIELD*)*metadatas->size);
for (i = 0; i < metadatas->size; i++)
{
field[i] = mysql_fetch_field (res_set);
strncpy(metadatas->_field_metadata[i].name,field[i]->name,NAME_CHAR_LEN);
metadatas->_field_metadata[i].type = field[i]->type;
metadatas->_field_metadata[i].max_length = field[i]->length;
metadatas->_field_metadata[i].default_value = make_defaule_value(field[i]);
}
free(field);
mysql_free_result (res_set);
return metadatas;
}
print_error(conn, "Could not execute statement");
return NULL;
}
static void my_print_result_metadata(MYSQL_RES *result)
{
MYSQL_FIELD *field;
unsigned int i;
size_t j;
unsigned int field_count;
mysql_field_seek(result, 0);
if (!opt_silent)
{
fputc('\n', stdout);
fputc('\n', stdout);
}
field_count= mysql_num_fields(result);
for(i= 0; i< field_count; i++)
{
field= mysql_fetch_field(result);
j= strlen(field->name);
if (j < field->max_length)
j= field->max_length;
if (j < 4 && !IS_NOT_NULL(field->flags))
j= 4;
field->max_length= j;
}
if (!opt_silent)
{
my_print_dashes(result);
fputc('\t', stdout);
fputc('|', stdout);
}
mysql_field_seek(result, 0);
for(i= 0; i< field_count; i++)
{
field= mysql_fetch_field(result);
if (!opt_silent)
fprintf(stdout, " %-*s |", (int) field->max_length, field->name);
}
if (!opt_silent)
{
fputc('\n', stdout);
my_print_dashes(result);
}
}
void CSql::first(void)
{
if ( m_hResult != NULL )
{
mysql_data_seek( m_hResult, 0 );
mysql_field_seek( m_hResult, 0 );
next();
}
}
static Variant HHVM_FUNCTION(mysql_async_fetch_array, const Resource& result,
int result_type /* = 1 */) {
if ((result_type & PHP_MYSQL_BOTH) == 0) {
throw_invalid_argument("result_type: %d", result_type);
return false;
}
auto res = php_mysql_extract_result(result);
if (!res) {
return false;
}
MYSQL_RES* mysql_result = res->get();
if (!mysql_result) {
raise_warning("invalid parameter to mysql_async_fetch_array");
return false;
}
MYSQL_ROW mysql_row = nullptr;
int status = mysql_fetch_row_nonblocking(mysql_result, &mysql_row);
// Last row, or no row yet available.
if (status != NET_ASYNC_COMPLETE) {
return false;
}
if (mysql_row == nullptr) {
res->close();
return false;
}
unsigned long *mysql_row_lengths = mysql_fetch_lengths(mysql_result);
if (!mysql_row_lengths) {
return false;
}
mysql_field_seek(mysql_result, 0);
Array ret;
MYSQL_FIELD *mysql_field;
int i;
for (mysql_field = mysql_fetch_field(mysql_result), i = 0; mysql_field;
mysql_field = mysql_fetch_field(mysql_result), i++) {
Variant data;
if (mysql_row[i]) {
data = mysql_makevalue(String(mysql_row[i], mysql_row_lengths[i],
CopyString), mysql_field);
}
if (result_type & PHP_MYSQL_NUM) {
ret.set(i, data);
}
if (result_type & PHP_MYSQL_ASSOC) {
ret.set(String(mysql_field->name, CopyString), data);
}
}
return ret;
}
void
summary_stats (MYSQL_RES *res_set, unsigned int col_num)
{
MYSQL_FIELD *field;
MYSQL_ROW row;
unsigned int n, missing;
double val, sum, sum_squares, var;
/* verify data requirements: column must be in range and numeric */
if (col_num < 0 || col_num >= mysql_num_fields (res_set))
{
print_error (NULL, "illegal column number");
return;
}
mysql_field_seek (res_set, col_num);
field = mysql_fetch_field (res_set);
if (!IS_NUM (field->type))
{
print_error (NULL, "column is not numeric");
return;
}
/* calculate summary statistics */
n = 0;
missing = 0;
sum = 0;
sum_squares = 0;
mysql_data_seek (res_set, 0);
while ((row = mysql_fetch_row (res_set)) != NULL)
{
if (row[col_num] == NULL)
missing++;
else
{
n++;
val = atof (row[col_num]); /* convert string to number */
sum += val;
sum_squares += val * val;
}
}
if (n == 0)
printf ("No observations\n");
else
{
printf ("Number of observations: %u\n", n);
printf ("Missing observations: %u\n", missing);
printf ("Sum: %g\n", sum);
printf ("Mean: %g\n", sum / n);
printf ("Sum of squares: %g\n", sum_squares);
var = ((n * sum_squares) - (sum * sum)) / (n * (n - 1));
printf ("Variance: %g\n", var);
printf ("Standard deviation: %g\n", sqrt (var));
}
}
static int my_process_result_set(MYSQL_RES *result)
{
MYSQL_ROW row;
MYSQL_FIELD *field;
unsigned int i;
unsigned int row_count= 0;
if (!result)
return 0;
my_print_result_metadata(result);
while ((row= mysql_fetch_row(result)) != NULL)
{
mysql_field_seek(result, 0);
if (!opt_silent)
{
fputc('\t', stdout);
fputc('|', stdout);
}
for(i= 0; i< mysql_num_fields(result); i++)
{
field= mysql_fetch_field(result);
if (!opt_silent)
{
if (row[i] == NULL)
fprintf(stdout, " %-*s |", (int) field->max_length, "NULL");
else if (IS_NUM(field->type))
fprintf(stdout, " %*s |", (int) field->max_length, row[i]);
else
fprintf(stdout, " %-*s |", (int) field->max_length, row[i]);
}
}
if (!opt_silent)
{
fputc('\t', stdout);
fputc('\n', stdout);
}
row_count++;
}
if (!opt_silent)
{
if (row_count)
my_print_dashes(result);
if (mysql_errno(mysql) != 0)
fprintf(stderr, "\n\tmysql_fetch_row() failed\n");
else
fprintf(stdout, "\n\t%d %s returned\n", row_count,
row_count == 1 ? "row" : "rows");
}
return row_count;
}
void
MySQLDriver::getColumnNames( const void* result,
vector< MC2String >& colNames )
{
MYSQL_FIELD* field;
while ( (field = mysql_fetch_field( ( MYSQL_RES* )result )) ) {
colNames.push_back( field->name );
}
// Seek to the beginning of the row to reset the field cursor
mysql_field_seek( ( MYSQL_RES* )result, 0 );
}
/**
* do fetch
*/
static int Lmysql_do_fetch (lua_State *L, lua_mysql_res *my_res, int result_type) {
MYSQL_RES *res = my_res->res;
unsigned long *lengths;
MYSQL_ROW row = mysql_fetch_row(res);
if (row == NULL) {
lua_pushnil(L); /* no more results */
return 1;
}
lengths = mysql_fetch_lengths(res);
if (result_type == MYSQL_NUM) {
int i;
lua_newtable(L); /* result */
for (i = 0; i < my_res->numcols; i++) {
luaM_pushvalue (L, row[i], lengths[i]);
lua_rawseti (L, -2, i+1);
}
}
else {
int i,j;
MYSQL_FIELD *field;
/* Check if colnames exists */
lua_newtable(L); /* result */
mysql_field_seek(my_res->res, 0);
for (field = mysql_fetch_field(my_res->res), i = 0;
field;
field = mysql_fetch_field(my_res->res), i++)
{
/* push the field name */
luaM_pushvalue (L, field->name, field->name_length);
/* Actually push the value */
luaM_pushvalue (L, row[i], lengths[i]);
lua_rawset (L, -3);
}
if (result_type == MYSQL_BOTH) {
/* Copy values to numerical indices */
for (j = 0; j < my_res->numcols; j++) {
lua_pushnumber(L, j+1);
luaM_pushvalue (L, row[j], lengths[j]);
lua_rawset (L, -3);
}
}
}
return 1;
}
void GameDBChannel::SelectFriendList(int64_t userNo, int* friendCount, NickNameInfo* nickNameInfoList)
{
char query[256] = { 0, };
sprintf(query,
SELECT_FRIEND_QUERY,
userNo, userNo);
MYSQL_RES* resultSet = NULL;
_dbConn.ProcessResultQuery(query, &resultSet);
if (resultSet)
{
MYSQL_ROW row;
int i = 0;
while ((row = mysql_fetch_row(resultSet)) != NULL)
{
mysql_field_seek(resultSet, 0);
if (mysql_num_fields(resultSet) != USER_FIELD_COUNT)
{
ErrorLog("the retrieved field is incorrect, fields:%d", mysql_num_fields(resultSet));
mysql_free_result(resultSet);
return ;
}
if (atoll(row[FRIEND_F1]) == userNo)
{
strcpy(nickNameInfoList[i].nickName, row[FRIEND_F1]);
nickNameInfoList[i].nickNameLen = strlen(row[FRIEND_F1]);
}
else if (atoll(row[FRIEND_F2]) == userNo)
{
strcpy(nickNameInfoList[i].nickName, row[FRIEND_F2]);
nickNameInfoList[i].nickNameLen = strlen(row[FRIEND_F2]);
}
else
{
ErrorLog("??");
}
i++;
}
*friendCount = i;
mysql_free_result(resultSet);
}
}
//---------------------------------------------------------------------------
deque<string> fill_rows(MYSQL_RES *res)
{
MYSQL_ROW row;
deque<string> rows;
while ((row=mysql_fetch_row(res)) != 0)
{
mysql_field_seek(res,0);
for (unsigned int i=0 ; i < mysql_num_fields(res); i++)
rows.push_back(row[i]);
}
return rows;
}
map<string, string> CDatabase_Connection::fetch_assoc()
{
map<string, string> daten;
daten["error"] = "false";
try
{
if(this->initialised == false)
throw "No query found!";
if(mysql_res == NULL)
throw "Query failed!";
mysql_field_seek(mysql_res, 0); //!
if(mysql_affected_rows(&my) == 0)
throw "Nothing found! Is your request right??";
if((row = mysql_fetch_row (mysql_res)) != NULL)
{
mysql_field_seek (mysql_res, 0);
for (i = 0; i < mysql_num_fields (mysql_res); i++)
{
field = mysql_fetch_field (mysql_res);
if (row[i] == NULL)
daten[field->name] = "";
else
daten[field->name] = row[i];
}
}
}
catch(char* error)
{
cerr << error << endl;
daten["error"] = "true";
}
catch(...)
{
daten["error"] = "true";
}
return daten;
}
bool MySQLResult::seekField(int64_t field) {
if (field < 0 || field >= getFieldCount()) {
raise_warning("Field %" PRId64 " is invalid for MySQL result index %d",
field, o_getId());
return false;
}
if (!m_localized) {
mysql_field_seek(m_res, (MYSQL_FIELD_OFFSET)field);
}
m_current_field = field - 1;
return true;
}
static int
_verify_type (MYSQL_RES *res, int i, enum enum_field_types t)
{
int retval = -1;
MYSQL_FIELD *field;
mysql_field_seek(res, i);
if (!(field = mysql_fetch_field(res)))
goto done;
if (field->type != t)
goto done;
retval = 0;
done:
return retval;
}
int ADBRow::loadRow(MYSQL_RES *queryRes)
{
int ret = 0;
MYSQL_ROW rawRow;
unsigned long *rowLengths;
MYSQL_FIELD *curField;
ADBDebugMsg(7, "ADBRow::loadRow clearing currently loaded data...");
// clearRow();
ADBDebugMsg(7, "ADBRow::loadRow determining field count...");
numFields = mysql_num_fields(queryRes);
// Now that we have the number of fields, we can proceed.
if (numFields > 0) {
rawRow = mysql_fetch_row(queryRes);
if (rawRow) {
rowLengths = (unsigned long *) mysql_fetch_lengths(queryRes);
ADBDebugMsg(7, "ADBRow::loadRow fethcing %d fields...", numFields);
mysql_field_seek(queryRes, 0);
for (uint i = 0; i < numFields; i++) {
// Instantiate the column class for this column
if (!intRowDefined) columns[i] = new ADBColumn();
// Get the field by number
curField = mysql_fetch_field(queryRes);
// Now, fill in the column name, its type, etc.
columns[i]->setDebugLevel(debugLevel);
columns[i]->define(i, curField, rawRow[i]);
}
intRowDefined = 1;
ret = 1;
}
}
if (debugLevel > 7 && intRowDefined && ret) {
ADBDebugMsg(7, "ADBRow: Loaded row with the following structure");
for (uint i = 0; i < numFields ; i++) {
ADBDebugMsg(7, " Column[%d]->Name = '%s'", i, columns[i]->ColumnName());
ADBDebugMsg(7, " Column[%d]->Table = '%s'", i, columns[i]->TableName());
ADBDebugMsg(7, " Column[%d]->Data = '%s'", i, columns[i]->Data());
ADBDebugMsg(7, " Column[%d]->Type = '%d'", i, columns[i]->DataType());
}
}
return ret;
}
void print_line(MYSQL_RES *res) {
MYSQL_FIELD *field;
unsigned int i, j;
mysql_field_seek (res, 0);
/* erstes Zeichen der Linie */
printf("+");
for (i = 0; i < mysql_num_fields(res); i++) {
field = mysql_fetch_field(res);
/* max_length '-' Zeichen jeder Spalte ausgeben */
for (j = 0; j < field->max_length + 2; j++)
printf("-");
/* am Ende der Spalte '+' ausgeben */
printf("+");
}
printf("\n");
}
static void my_print_dashes(MYSQL_RES *result)
{
MYSQL_FIELD *field;
unsigned int i, j;
mysql_field_seek(result, 0);
fputc('\t', stdout);
fputc('+', stdout);
for(i= 0; i< mysql_num_fields(result); i++)
{
field= mysql_fetch_field(result);
for(j= 0; j < field->max_length+2; j++)
fputc('-', stdout);
fputc('+', stdout);
}
fputc('\n', stdout);
}
void do_listhelp(CHAR_DATA *ch, char *argument)
{
MYSQL *conn;
MYSQL_FIELD *field;
MYSQL_ROW row;
MYSQL_RES *res_set;
char buf[MSL], query[MSL], arg1[MSL];
if(!str_cmp(argument,""))
{
send_to_char("Syntax: listhelp all\n\r",ch);
send_to_char(" listhelp <field> <value>\n\r",ch);
send_to_char(" Valid fields are: id, title, skill, minlevel, helpdata\n\r",ch);
send_to_char(" You can search for substrings by entering them normally.\n\r",ch);
return;
}
argument = one_argument(argument,arg1);
if(!str_cmp(arg1,"ALL"))
sprintf(query, "select * from helpfiles");
else
sprintf(query, "select * from helpfiles where %s RLIKE '%s'", arg1, argument);
conn = open_conn();
if(!conn)
return send_to_char("Error opening help database.\n\r",ch);
mysql_query (conn, query);
res_set = mysql_store_result (conn);
if (res_set == NULL || mysql_field_count(conn)<1)
send_to_char("Error accessing results.\n\r",ch);
else
{
while((row = mysql_fetch_row (res_set)) != NULL)
{
mysql_field_seek (res_set, 0);
field = mysql_fetch_field (res_set);
sprintf(buf, "Help ID: %s\n\rHelp Title: %s\n\rRequired Skill: %s\n\rMinimum Level: %s\n\r",
row[0], row[1], row[2], row[3]);
send_to_char(buf,ch);
sprintf(buf,"Help Text:\n\r%s\n\r", row[4]);
send_to_char(buf,ch);
}
mysql_free_result(res_set);
}
do_disc (conn);
}
static void
print_table_data_xml(MYSQL_RES *result, char *query_name)
{
MYSQL_ROW cur;
MYSQL_FIELD *fields;
mysql_field_seek(result,0);
printf("<?xml version=\"1.0\"?>\n");
printf("<");
printf(query_name);
printf(">\n");
fields = mysql_fetch_fields(result);
uint i;
while ((cur = mysql_fetch_row(result)))
{
ulong *lengths=mysql_fetch_lengths(result);
printf("\t<");
printf(query_name);
printf(">\n");
for (i=0; i < mysql_num_fields(result); i++)
{
printf("\t\t<");
printf(fields[i].name, (uint) strlen(fields[i].name));
if (cur[i])
{
printf(">");
printf(cur[i], lengths[i]);
printf("</");
printf(fields[i].name, (uint) strlen(fields[i].name));
printf(">\n");
}
else
printf("\" xsi:nil=\"true\" />\n");
}
(void) printf("\t</");
(void) printf(query_name);
(void) printf(">\n");
}
printf("</");
printf(query_name);
printf(">\n");
}
MySqlResult::MySqlResult(MYSQL_RES* pRes)
:m_pRes(pRes)
,m_iRows(0)
,m_iFields(0) {
m_pRes = pRes;
if (m_pRes == NULL) {
return;
}
m_iRows = mysql_num_rows(m_pRes);
m_iFields = mysql_num_fields(m_pRes);
MYSQL_FIELD* field;
mysql_field_seek(m_pRes, 0);
for (uint32_t i = 0; i < m_iFields; ++i) {
field = mysql_fetch_field(m_pRes);
m_mField2Index.insert(std::make_pair(field->name, i));
}
}
QSqlRecord QMYSQLDriver::record( const QSqlQuery& query ) const
{
QSqlRecord fil;
if ( !isOpen() )
return fil;
if ( query.isActive() && query.isSelect() && query.driver() == this ) {
QMYSQLResult* result = (QMYSQLResult*)query.result();
QMYSQLResultPrivate* p = result->d;
if ( !mysql_errno( p->mysql ) ) {
for ( ;; ) {
MYSQL_FIELD* f = mysql_fetch_field( p->result );
if ( f ) {
QSqlField fi( QString((const char*)f->name), qDecodeMYSQLType( f->type, f->flags ) );
fil.append( fi );
} else
break;
}
}
mysql_field_seek( p->result, 0 );
}
return fil;
}
int gsc_mysql_field_seek()
{
int result;
int offset;
int helper = 0;
helper += stackGetParamInt(1, &result);
helper += stackGetParamInt(2, &offset);
#if DEBUG_MYSQL
printf_hide("gsc_mysql_field_seek(result=%d, offset=%d)\n", result, offset);
#endif
if (helper != 2)
{
printf_hide("scriptengine> wrongs args for mysql_field_seek(result, offset);\n");
return stackPushUndefined();
}
int ret = mysql_field_seek((MYSQL_RES *)result, offset);
return stackReturnInt(ret);
}
/*for the SQL result formatter*/
void print_dashes (CHAR_DATA *ch, MYSQL_RES *res)
{
MYSQL_FIELD *field;
unsigned int i, j;
char sbuf[MSL];
int jic;
mysql_field_seek (res, 0);
sprintf (sbuf,"#G+#0");
stc(sbuf, ch);
for (i = 0; i < mysql_num_fields (res); i++)
{
field = mysql_fetch_field (res);
if(!strcmp(field->name,"message_num"))
{
for (j = 0; j < 8 ; j++)
{
sprintf (sbuf,"#8-#0");
stc(sbuf, ch);
}
}
else if(!strcmp(field->name,"log_num"))
{
for (j = 0; j < strlen(field->name) +2; j++)
{
sprintf (sbuf,"#8-#0");
stc(sbuf, ch);
}
}
else if(!strcmp(field->name,"timestamp"))
{
for (j = 0; j < 17 ; j++)
{
sprintf (sbuf,"#8-#0");
stc(sbuf, ch);
}
}
else if(!strcmp(field->name,"entry_num"))
{
for (j = 0; j < 11 ; j++)
{
sprintf (sbuf,"#8-#0");
stc(sbuf, ch);
}
}
else if(field->max_length > 55)
{
for (j = 0; j < 55; j++)
{
sprintf (sbuf,"#8-#0");
stc(sbuf, ch);
}
}
else
{
for (j = 0; j < field->max_length + 2; j++)
{
sprintf (sbuf,"#8-#0");
stc(sbuf, ch);
}
}
sprintf (sbuf,"#G+#0");
stc(sbuf, ch);
}
sprintf (sbuf,"\n");
stc(sbuf, ch);
}
void
process_result_set (CHAR_DATA *ch, MYSQL *db, MYSQL_RES *res)
{
MYSQL_FIELD *field;
MYSQL_ROW row;
unsigned int i, c, col_len;
char sbuf[MSL];
/* determine column display widths */
mysql_field_seek (res, 0);
unsigned int clen[1000];
for (i = 0; i < mysql_num_fields (res); i++)
{
field = mysql_fetch_field (res);
clen[i] = strlen (field->name);
if (clen[i] < field->max_length)
clen[i]=field->max_length;
if (clen[i] < 4 && !IS_NOT_NULL (field->flags))
clen[i] = 4; /* 4 = length of the word “NULL” */
if(!strcmp(field->name,"timestamp"))
clen[i] -= 18;
}
print_dashes (ch, res);
mysql_field_seek (res, 0);
for (i = 0; i < mysql_num_fields (res); i++)
{
field = mysql_fetch_field (res);
sprintf (sbuf,"#8| #C%-*s #0", clen[i], field->name);
stc(sbuf, ch);
}
sprintf (sbuf,"\n");
stc(sbuf, ch);
print_dashes (ch, res);
while ((row = mysql_fetch_row (res)) != NULL)
{
mysql_field_seek (res, 0);
for (i = 0; i < mysql_num_fields (res); i++)
{
field = mysql_fetch_field (res);
if (row[i] == NULL)
{
sprintf (sbuf,"#8| %-*s #0", clen[i], "NULL");
stc(sbuf, ch);
}
else if (IS_NUM (field->type))
{
sprintf (sbuf,"#8| #R%*s #0", clen[i], row[i]);
stc(sbuf, ch);
}
else
{
c = strlen(field->name);
sprintf (sbuf,"#8| #W%-*s #0", clen[i], row[i]);
stc(sbuf, ch);
}
}
sprintf (sbuf,"\n");
stc(sbuf, ch);
}
print_dashes (ch, res);
sprintf (sbuf,"\n\r#R%lu #8Records returned#0\n\r", (unsigned long) mysql_num_rows (res));
stc(sbuf, ch);
}
static int my_process_stmt_result(MYSQL_STMT *stmt)
{
int field_count;
int row_count= 0;
MYSQL_BIND buffer[MAX_RES_FIELDS];
MYSQL_FIELD *field;
MYSQL_RES *result;
char data[MAX_RES_FIELDS][MAX_FIELD_DATA_SIZE];
ulong length[MAX_RES_FIELDS];
my_bool is_null[MAX_RES_FIELDS];
int rc, i;
if (!(result= mysql_stmt_result_metadata(stmt))) /* No meta info */
{
while (!mysql_stmt_fetch(stmt))
row_count++;
return row_count;
}
field_count= MY_MIN(mysql_num_fields(result), MAX_RES_FIELDS);
memset(buffer, 0, sizeof(buffer));
memset(length, 0, sizeof(length));
memset(is_null, 0, sizeof(is_null));
for(i= 0; i < field_count; i++)
{
buffer[i].buffer_type= MYSQL_TYPE_STRING;
buffer[i].buffer_length= MAX_FIELD_DATA_SIZE;
buffer[i].length= &length[i];
buffer[i].buffer= (void *) data[i];
buffer[i].is_null= &is_null[i];
}
rc= mysql_stmt_bind_result(stmt, buffer);
check_execute(stmt, rc);
rc= 1;
mysql_stmt_attr_set(stmt, STMT_ATTR_UPDATE_MAX_LENGTH, (void*)&rc);
rc= mysql_stmt_store_result(stmt);
check_execute(stmt, rc);
my_print_result_metadata(result);
mysql_field_seek(result, 0);
while ((rc= mysql_stmt_fetch(stmt)) == 0)
{
if (!opt_silent)
{
fputc('\t', stdout);
fputc('|', stdout);
}
mysql_field_seek(result, 0);
for (i= 0; i < field_count; i++)
{
field= mysql_fetch_field(result);
if (!opt_silent)
{
if (is_null[i])
fprintf(stdout, " %-*s |", (int) field->max_length, "NULL");
else if (length[i] == 0)
{
data[i][0]= '\0'; /* unmodified buffer */
fprintf(stdout, " %*s |", (int) field->max_length, data[i]);
}
else if (IS_NUM(field->type))
fprintf(stdout, " %*s |", (int) field->max_length, data[i]);
else
fprintf(stdout, " %-*s |", (int) field->max_length, data[i]);
}
}
if (!opt_silent)
{
fputc('\t', stdout);
fputc('\n', stdout);
}
row_count++;
}
DIE_UNLESS(rc == MYSQL_NO_DATA);
if (!opt_silent)
{
if (row_count)
my_print_dashes(result);
fprintf(stdout, "\n\t%d %s returned\n", row_count,
row_count == 1 ? "row" : "rows");
}
mysql_free_result(result);
return row_count;
}
void alle_daten_ausgeben(void) {
unsigned int i, col_len;
MYSQL_ROW row;
MYSQL_RES *res;
MYSQL_FIELD *field;
/* jetzt die Anfrage an den Datenbankserver */
mysql_real_query(mysql, "SELECT * FROM filmdaten",
strlen("SELECT * FROM filmdaten"));
check_error();
/* Anfrage vom Server in die Struktur MYSQL_RES laden */
res = mysql_store_result(mysql);
check_error();
/* offset = 0 bedeutet: auf den Anfang der Zeile setzen */
mysql_field_seek (res, 0);
/* Damit bei der Ausgabe ein einheitliches Bild entsteht,
* sollen die Daten für die maximale Länge einer Spalte
* bei jeder einzelnen (MYSQL_FIELD)-Spalte verändert werden. */
for (i = 0; i < mysql_num_fields(res); i++) {
field = mysql_fetch_field (res);
/* Länge des Namens in der Spalte ermitteln */
col_len = strlen (field->name);
/* Ist die Länge des Elements in der Spalte kleiner als
die maximale Länge ... */
if (col_len < field->max_length)
/* ... dann bekommt col_len den Wert der maximal
erlaubten Länge der Spalte. */
col_len = field->max_length;
/* Für den Fall, dass eine Spalte keine Daten
beinhaltet ... */
if (col_len < 4 && !IS_NOT_NULL (field->flags))
/* ... bekommt col_len den Wert 4 für den String
"NULL" ->keine Daten. */
col_len = 4;
/* maximale Länge von Spalten-Info verändern */
field->max_length = col_len;
}
/* Namen der Tabelle ausgeben */
printf("Daten der Tabelle: [ %s ]\n", field->table);
print_line(res);
printf("|");
/* alles wieder auf den Anfang stellen */
mysql_field_seek (res, 0);
/* jetzt den Tabellenkopf ausgeben (titel, hauptrolle, fsk,
* gedreht) */
for (i = 0; i < mysql_num_fields (res); i++) {
field = mysql_fetch_field (res);
printf (" %-*s |", field->max_length, field->name);
}
printf("\n");
print_line(res);
/* jetzt die Daten aus der Struktur MYSQL_RES zeilenweise
* einlesen */
while ((row = mysql_fetch_row (res)) != NULL) {
mysql_field_seek (res, 0);
printf("|");
for (i = 0; i < mysql_num_fields (res); i++) {
/* Spalte für Spalte abarbeiten */
field = mysql_fetch_field (res);
/* keine Daten in dieser Spalte */
if (row[i] == NULL)
printf (" %-*s |", field->max_length, "NULL");
/* Handelt es sich um ein numerisches Feld? */
else if (IS_NUM (field->type))
/* Dann wird der Inhalt rechtsbündig formatiert
* ausgegeben. */
printf (" %*s |", field->max_length, row[i]);
else
/* Der Wert der Spalte ist ein String, also
* linksbündige Ausgabe. */
printf (" %-*s |", field->max_length, row[i]);
}
printf("\n");
}
print_line(res);
mysql_free_result(res);
}
//---------------------------------------------------------------------------
bool __fastcall TForm1::get_desc_table(String table_name)
{
MYSQL_RES *res, *res1;
MYSQL_ROW row;
AnsiString use_db, show_cols, show_desc;
unsigned int num_fields;
int fields_control = 0, grid_row = 1, fields_number;
b_new_line= true;
clean_desc_grid();
use_db = "use ";
use_db+= DBView->Selected->Text.c_str();
show_desc = "desc ";
show_cols = "show full columns from ";
show_cols+= table_name.c_str();
show_desc+= table_name.c_str();
if (mysql_query(MySQL, use_db.c_str() ))
return false;
if (mysql_query(MySQL, show_cols.c_str() ) ||
!(res1=mysql_store_result(MySQL)))
{
if (mysql_query(MySQL, show_desc.c_str() ) ||
!(res1=mysql_store_result(MySQL)))
return false ;
}
mysql_fetch_row(res1);
mysql_field_seek(res1,0);
fields_number = (mysql_num_fields(res1) - 2);
mysql_free_result(res1);
if (mysql_query(MySQL, show_cols.c_str() ) ||
!(res=mysql_store_result(MySQL)))
{
if (mysql_query(MySQL, show_desc.c_str() ) ||
!(res=mysql_store_result(MySQL)))
return false ;
}
titles_grid();
while ((row=mysql_fetch_row(res)) != 0)
{
mysql_field_seek(res,0);
for (num_fields=0 ; num_fields < mysql_num_fields(res); num_fields++)
{
if (fields_control <= fields_number )
{
desc_table_grid->Cells[fields_control][grid_row] = row[num_fields];
fields_control++;
}
else
{
desc_table_grid->Cells[(fields_control)][grid_row] = row[num_fields];
fields_control = 0;
grid_row++ ;
desc_table_grid->RowCount++;
}
}
}
desc_table_grid->RowCount--;
mysql_free_result(res);
return true;
}
