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PostgresResultWrapper.php
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PostgresResultWrapper.php
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<?php
namespace Wikimedia\Rdbms;
use PgSql\Connection;
use PgSql\Result;
/**
* Result wrapper for PostgreSQL database results.
*
* @since 1.37
*/
class PostgresResultWrapper extends ResultWrapper {
/** @var DatabasePostgres */
private $db;
private Connection $handle;
private Result $result;
/**
* @internal
*/
public function __construct( DatabasePostgres $db, Connection $handle, Result $result ) {
$this->db = $db;
$this->handle = $handle;
$this->result = $result;
}
protected function doNumRows() {
return pg_num_rows( $this->result );
}
protected function doFetchObject() {
// pg_fetch_object may raise a warning after a seek to an invalid offset
// phpcs:ignore Generic.PHP.NoSilencedErrors.Discouraged
$row = @pg_fetch_object( $this->result );
// Map boolean values (T352229)
if ( is_object( $row ) ) {
$numFields = pg_num_fields( $this->result );
for ( $i = 0; $i < $numFields; $i++ ) {
if ( pg_field_type( $this->result, $i ) === 'bool' ) {
$name = pg_field_name( $this->result, $i );
$row->$name = $this->convertBoolean( $row->$name );
}
}
}
return $row;
}
protected function doFetchRow() {
// phpcs:ignore Generic.PHP.NoSilencedErrors.Discouraged
$row = @pg_fetch_array( $this->result );
// Map boolean values (T352229)
if ( is_array( $row ) ) {
$numFields = pg_num_fields( $this->result );
for ( $i = 0; $i < $numFields; $i++ ) {
if ( pg_field_type( $this->result, $i ) === 'bool' ) {
$name = pg_field_name( $this->result, $i );
$row[$i] = $this->convertBoolean( $row[$i] );
$row[$name] = $this->convertBoolean( $row[$name] );
}
}
}
return $row;
}
/**
* Convert a boolean value from the database to the string '0' or '1' for
* compatibility with MySQL.
*
* @param mixed $value
* @return mixed
*/
private function convertBoolean( $value ) {
if ( $value === 't' ) {
return '1';
} elseif ( $value === 'f' ) {
return '0';
} else {
// Just pass through values that are not 't' or 'f'
return $value;
}
}
protected function doSeek( $pos ) {
pg_result_seek( $this->result, $pos );
}
protected function doFree() {
return pg_free_result( $this->result );
}
protected function doGetFieldNames() {
$names = [];
$n = pg_num_fields( $this->result );
for ( $i = 0; $i < $n; $i++ ) {
$names[] = pg_field_name( $this->result, $i );
}
return $names;
}
}

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text/x-php
Expires
Sun, Oct 4, 01:22 (3 w, 4 d ago)
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Storage Format
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Storage Handle
1b/06/28eeea315b39eee1c0084322e403
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PostgresResultWrapper.php (2 KB)

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