102a4f8a35
* Switch out raw Exceptions, mostly for InvalidArgumentExceptions.
* Fake exceptions triggered to give Monolog a backtrace are for
some reason "traditionally" RuntimeExceptions, instead, so we
continue to use that pattern in remaining locations.
* Just entirely give up on PostgresResultWrapper's resource vs. object mess.
* Drop now-unneeded false positive hits.
Change-Id: Id183ab60994cd9c6dc80401d4ce4de0ddf2b3da0
100 lines
2.5 KiB
PHP
100 lines
2.5 KiB
PHP
<?php
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namespace Wikimedia\Rdbms;
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// Phan insists these are resources until we drop PHP 7.4
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/* @phan-file-suppress PhanTypeMismatchArgumentInternal */
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class PostgresResultWrapper extends ResultWrapper {
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/** @var DatabasePostgres */
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private $db;
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/** @var resource */
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private $handle;
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/** @var resource */
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private $result;
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/**
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* @internal
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* @param DatabasePostgres $db
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* @param resource $handle
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* @param resource $result
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*/
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public function __construct( DatabasePostgres $db, $handle, $result ) {
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$this->db = $db;
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$this->handle = $handle;
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$this->result = $result;
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}
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protected function doNumRows() {
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return pg_num_rows( $this->result );
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}
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protected function doFetchObject() {
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// pg_fetch_object may raise a warning after a seek to an invalid offset
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// phpcs:ignore Generic.PHP.NoSilencedErrors.Discouraged
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$row = @pg_fetch_object( $this->result );
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// Map boolean values (T352229)
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if ( is_object( $row ) ) {
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$numFields = pg_num_fields( $this->result );
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for ( $i = 0; $i < $numFields; $i++ ) {
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if ( pg_field_type( $this->result, $i ) === 'bool' ) {
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$name = pg_field_name( $this->result, $i );
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$row->$name = $this->convertBoolean( $row->$name );
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}
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}
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}
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return $row;
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}
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protected function doFetchRow() {
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// phpcs:ignore Generic.PHP.NoSilencedErrors.Discouraged
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$row = @pg_fetch_array( $this->result );
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// Map boolean values (T352229)
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if ( is_array( $row ) ) {
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$numFields = pg_num_fields( $this->result );
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for ( $i = 0; $i < $numFields; $i++ ) {
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if ( pg_field_type( $this->result, $i ) === 'bool' ) {
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$name = pg_field_name( $this->result, $i );
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$row[$i] = $this->convertBoolean( $row[$i] );
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$row[$name] = $this->convertBoolean( $row[$name] );
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}
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}
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}
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return $row;
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}
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/**
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* Convert a boolean value from the database to the string '0' or '1' for
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* compatibility with MySQL.
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*
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* @param mixed $value
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* @return mixed
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*/
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private function convertBoolean( $value ) {
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if ( $value === 't' ) {
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return '1';
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} elseif ( $value === 'f' ) {
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return '0';
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} else {
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// Just pass through values that are not 't' or 'f'
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return $value;
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}
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}
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protected function doSeek( $pos ) {
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pg_result_seek( $this->result, $pos );
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}
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protected function doFree() {
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return pg_free_result( $this->result );
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}
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protected function doGetFieldNames() {
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$names = [];
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$n = pg_num_fields( $this->result );
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for ( $i = 0; $i < $n; $i++ ) {
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$names[] = pg_field_name( $this->result, $i );
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}
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return $names;
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}
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}
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