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Merge bk-internal.mysql.com:/home/bk/mysql-4.1

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into mysql.com:/home/kostja/mysql/mysql-4.1-u2
This commit is contained in:
konstantin@mysql.com
2004-04-30 03:00:55 +04:00
parent 9550dd6fae aec8522569
commit 07eaf18642
7 changed files with 220 additions and 46 deletions
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59
libmysql/libmysql.c
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@ -2131,17 +2131,6 @@ mysql_stmt_param_metadata(MYSQL_STMT *stmt)
Prepare-execute, and param handling
*********************************************************************/
/*
Store the buffer type
*/
static void store_param_type(NET *net, uint type)
{
int2store(net->write_pos, type);
net->write_pos+=2;
}
/****************************************************************************
Functions to store parameter data from a prepared statement.
@ -2389,7 +2378,11 @@ int cli_stmt_execute(MYSQL_STMT *stmt)
that is sent to the server.
*/
for (param= stmt->params; param < param_end ; param++)
store_param_type(net, (uint) param->buffer_type);
{
uint typecode= param->buffer_type | (param->is_unsigned ? 32768 : 0);
int2store(net->write_pos, typecode);
net->write_pos+= 2;
}
}
for (param= stmt->params; param < param_end; param++)
@ -3267,28 +3260,28 @@ static void fetch_results(MYSQL_BIND *param, MYSQL_FIELD *field, uchar **row)
static void fetch_result_tinyint(MYSQL_BIND *param, uchar **row)
{
*param->buffer= (uchar) **row;
*param->buffer= **row;
(*row)++;
}
static void fetch_result_short(MYSQL_BIND *param, uchar **row)
{
short value = (short)sint2korr(*row);
int2store(param->buffer, value);
shortstore(param->buffer, value);
*row+= 2;
}
static void fetch_result_int32(MYSQL_BIND *param, uchar **row)
{
int32 value= (int32)sint4korr(*row);
int4store(param->buffer, value);
longstore(param->buffer, value);
*row+= 4;
}
static void fetch_result_int64(MYSQL_BIND *param, uchar **row)
{
longlong value= (longlong)sint8korr(*row);
int8store(param->buffer, value);
longlongstore(param->buffer, value);
*row+= 8;
}
@ -3296,7 +3289,7 @@ static void fetch_result_float(MYSQL_BIND *param, uchar **row)
{
float value;
float4get(value,*row);
float4store(param->buffer, value);
floatstore(param->buffer, value);
*row+= 4;
}
@ -3304,7 +3297,7 @@ static void fetch_result_double(MYSQL_BIND *param, uchar **row)
{
double value;
float8get(value,*row);
float8store(param->buffer, value);
doublestore(param->buffer, value);
*row+= 8;
}
@ -3375,8 +3368,7 @@ my_bool STDCALL mysql_stmt_bind_result(MYSQL_STMT *stmt, MYSQL_BIND *bind)
stmt->bind was initialized in mysql_stmt_prepare
*/
memcpy((char*) stmt->bind, (char*) bind,
sizeof(MYSQL_BIND)*bind_count);
memcpy((char*) stmt->bind, (char*) bind, sizeof(MYSQL_BIND) * bind_count);
for (param= stmt->bind, end= param+bind_count; param < end ; param++)
{
@ -3493,10 +3485,20 @@ static int stmt_fetch_row(MYSQL_STMT *stmt, uchar *row)
bind++, field++)
{
if (*null_ptr & bit)
*bind->is_null= bind->null_field= 1;
{
/*
We should set both inter_buffer and is_null to be able to see
nulls in mysql_stmt_fetch_column. This is because is_null may point
to user data which can be overwritten between mysql_stmt_fetch and
mysql_stmt_fetch_column, and in this case nullness of column will be
lost. See mysql_stmt_fetch_column for details.
*/
bind->inter_buffer= NULL;
*bind->is_null= 1;
}
else
{
*bind->is_null= bind->null_field= 0;
*bind->is_null= 0;
bind->inter_buffer= row;
if (field->type == bind->buffer_type)
(*bind->fetch_result)(bind, &row);
@ -3580,14 +3582,8 @@ int STDCALL mysql_stmt_fetch_column(MYSQL_STMT *stmt, MYSQL_BIND *bind,
DBUG_RETURN(1);
}
if (param->null_field)
if (param->inter_buffer)
{
if (bind->is_null)
*bind->is_null= 1;
}
else
{
MYSQL_FIELD *field= stmt->fields+column;
uchar *row= param->inter_buffer;
bind->offset= offset;
@ -3599,6 +3595,11 @@ int STDCALL mysql_stmt_fetch_column(MYSQL_STMT *stmt, MYSQL_BIND *bind,
bind->length= &param->internal_length; /* Needed for fetch_result() */
fetch_results(bind, field, &row);
}
else
{
if (bind->is_null)
*bind->is_null= 1;
}
DBUG_RETURN(0);
}