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silverstripe-postgresql
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FIX: Return correct types in PostgreSQLQuery 

Fixes https://github.com/silverstripe/silverstripe-postgresql/issues/90
Helps fix https://github.com/silverstripe/silverstripe-framework/issues/7039
This commit is contained in:
Sam Minnee 2018-10-10 22:23:22 +13:00
parent 4c6034f350
commit 72787ae83e
1 changed files with 42 additions and 2 deletions
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44
code/PostgreSQLQuery.php
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@ -18,6 +18,23 @@ class PostgreSQLQuery extends Query
*/
private $handle;
private $columnNames = [];
/**
* Mapping of postgresql types to PHP types
* Note that the bool => int mapping is by design, designed to mimic MySQL's behaviour
* @var array
*/
protected static $typeMapping = [
'bool' => 'int',
'int2' => 'int',
'int4' => 'int',
'int8' => 'int',
'float4' => 'float',
'float8' => 'float',
'numeric' => 'float',
];
/**
* Hook the result-set given into a Query class, suitable for use by sapphire.
* @param resource $handle the internal Postgres handle that is points to the resultset.
@ -25,6 +42,11 @@ class PostgreSQLQuery extends Query
public function __construct($handle)
{
$this->handle = $handle;
$numColumns = pg_num_fields($handle);
for ($i = 0; $i<$numColumns; $i++) {
$this->columnNames[$i] = pg_field_name($handle, $i);
}
}
public function __destruct()
@ -37,7 +59,7 @@ class PostgreSQLQuery extends Query
public function seek($row)
{
pg_result_seek($this->handle, $row);
return pg_fetch_assoc($this->handle);
return $this->nextRecord();
}
public function numRecords()
@ -47,6 +69,24 @@ class PostgreSQLQuery extends Query
public function nextRecord()
{
return pg_fetch_assoc($this->handle);
$row = pg_fetch_array($this->handle, null, PGSQL_NUM);
// Correct non-string types
if ($row) {
$record = [];
foreach ($row as $i => $v) {
$k = $this->columnNames[$i];
$record[$k] = $v;
$type = pg_field_type($this->handle, $i);
if (isset(self::$typeMapping[$type])) {
settype($record[$k], self::$typeMapping[$type]);
}
}
return $record;
}
return false;
}
}