/**
* Retrieve the next row returned from a specific database query
* @param IteratorAggregate &$p_result Database Query Record Set to retrieve next result for.
* @return array Database result
*/
function db_fetch_array(IteratorAggregate &$p_result)
{
global $g_db, $g_db_type;
if ($p_result->EOF) {
return false;
}
# mysql obeys FETCH_MODE_BOTH, hence ->fields works, other drivers do not support this
if ($g_db_type == 'mysql' || $g_db_type == 'odbc_mssql' || $g_db_type == 'mssqlnative') {
$t_array = $p_result->fields;
$p_result->MoveNext();
return $t_array;
} else {
$t_row = $p_result->GetRowAssoc(ADODB_ASSOC_CASE_LOWER);
static $s_array_result;
static $s_array_fields;
# Oci8 returns null values for empty strings
if (db_is_oracle()) {
foreach ($t_row as &$t_value) {
if (!isset($t_value)) {
$t_value = '';
}
}
}
if ($s_array_result != $p_result) {
# new query
$s_array_result = $p_result;
$s_array_fields = null;
} else {
if ($s_array_fields === null) {
$p_result->MoveNext();
return $t_row;
}
}
$t_convert = false;
$t_fieldcount = $p_result->FieldCount();
for ($i = 0; $i < $t_fieldcount; $i++) {
if (isset($s_array_fields[$i])) {
$t_field = $s_array_fields[$i];
} else {
$t_field = $p_result->FetchField($i);
$s_array_fields[$i] = $t_field;
}
switch ($t_field->type) {
case 'bool':
switch ($t_row[$t_field->name]) {
case 'f':
$t_row[$t_field->name] = false;
break;
case 't':
$t_row[$t_field->name] = true;
break;
}
$t_convert = true;
break;
default:
break;
}
}
if ($t_convert == false) {
$s_array_fields = null;
}
$p_result->MoveNext();
return $t_row;
}
}
/**
* Iterator: rewind
*
* @return void
*/
public function rewind()
{
$this->dataSource->rewind();
// return void
}
/**
* Retrieve the next row returned from a specific database query
* @param IteratorAggregate &$p_result Database Query Record Set to retrieve next result for.
* @return array Database result
*/
function db_fetch_array(IteratorAggregate &$p_result)
{
global $g_db, $g_db_type;
if ($p_result->EOF) {
return false;
}
# Retrieve the fields from the recordset
$t_row = $p_result->fields;
# Additional handling for specific RDBMS
if (db_is_pgsql()) {
# pgsql's boolean fields are stored as 't' or 'f' and must be converted
static $s_current_result = null, $s_convert_needed;
if ($s_current_result != $p_result) {
# Processing a new query
$s_current_result = $p_result;
$s_convert_needed = false;
} elseif (!$s_convert_needed) {
# No conversion needed, return the row as-is
$p_result->MoveNext();
return $t_row;
}
foreach ($p_result->FieldTypesArray() as $t_field) {
switch ($t_field->type) {
case 'bool':
switch ($t_row[$t_field->name]) {
case 'f':
$t_row[$t_field->name] = false;
break;
case 't':
$t_row[$t_field->name] = true;
break;
}
$s_convert_needed = true;
break;
}
}
} elseif (db_is_oracle()) {
# oci8 returns null values for empty strings, convert them back
foreach ($t_row as &$t_value) {
if (!isset($t_value)) {
$t_value = '';
}
}
}
$p_result->MoveNext();
return $t_row;
}