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MDL-54947 database: Update PostgreSQL binary handling.

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PostgreSQL 9.1 allows hex formating for binary which is handled better
by pg_query_params().

Getting bytea isn't required on connection, it can be used as pg_field_type()
when binary needs to be checked.
This commit is contained in:
Russell Smith 2016-06-14 13:47:36 +10:00
parent b8474fe0c7
commit 1b0b082a08
3 changed files with 70 additions and 172 deletions
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21
lib/dml/pgsql_native_moodle_recordset.php
View file

@ -38,18 +38,21 @@ class pgsql_native_moodle_recordset extends moodle_recordset {
protected $result;
/** @var current row as array.*/
protected $current;
protected $bytea_oid;
protected $blobs = array();
public function __construct($result, $bytea_oid) {
$this->result = $result;
$this->bytea_oid = $bytea_oid;
/**
* Build a new recordset to iterate over.
*
* @param resource $result A pg_query() result object to create a recordset from.
*/
public function __construct($result) {
$this->result = $result;
// find out if there are any blobs
$numrows = pg_num_fields($result);
for($i=0; $i<$numrows; $i++) {
$type_oid = pg_field_type_oid($result, $i);
if ($type_oid == $this->bytea_oid) {
// Find out if there are any blobs.
$numfields = pg_num_fields($result);
for ($i = 0; $i < $numfields; $i++) {
$type = pg_field_type($result, $i);
if ($type == 'bytea') {
$this->blobs[] = pg_field_name($result, $i);
}
}