/**
* Define fields that use temporary tables for transitional purposes
- * @var array Keys are '$key', values are arrays with four fields:
+ * @var array Keys are '$key', values are arrays with these possible fields:
* - table: Temporary table name
* - pk: Temporary table column referring to the main table's primary key
* - field: Temporary table column referring comment.comment_id
* - joinPK: Main table's primary key
+ * - stage: Migration stage
+ * - deprecatedIn: Version when using insertWithTempTable() was deprecated
*/
- protected static $tempTables = [
+ protected $tempTables = [
'rev_comment' => [
'table' => 'revision_comment_temp',
'pk' => 'revcomment_rev',
'field' => 'revcomment_comment_id',
'joinPK' => 'rev_id',
+ 'stage' => MIGRATION_OLD,
+ 'deprecatedIn' => null,
],
'img_description' => [
- 'table' => 'image_comment_temp',
- 'pk' => 'imgcomment_name',
- 'field' => 'imgcomment_description_id',
- 'joinPK' => 'img_name',
+ 'stage' => MIGRATION_NEW,
+ 'deprecatedIn' => '1.32',
],
];
- /**
- * Fields that formerly used $tempTables
- * @var array Key is '$key', value is the MediaWiki version in which it was
- * removed from $tempTables.
- */
- protected static $formerTempTables = [];
-
/**
* @since 1.30
* @deprecated in 1.31
*/
public static function newKey( $key ) {
global $wgCommentTableSchemaMigrationStage;
- // TODO uncomment once not used in extensions
- // wfDeprecated( __METHOD__, '1.31' );
+ wfDeprecated( __METHOD__, '1.31' );
$store = new CommentStore( MediaWikiServices::getInstance()->getContentLanguage(),
$wgCommentTableSchemaMigrationStage );
$store->key = $key;
if ( $this->stage < MIGRATION_NEW ) {
$fields["{$key}_old"] = $key;
}
- if ( isset( self::$tempTables[$key] ) ) {
- $fields["{$key}_pk"] = self::$tempTables[$key]['joinPK'];
- } else {
+
+ $tempTableStage = isset( $this->tempTables[$key] )
+ ? $this->tempTables[$key]['stage'] : MIGRATION_NEW;
+ if ( $tempTableStage < MIGRATION_NEW ) {
+ $fields["{$key}_pk"] = $this->tempTables[$key]['joinPK'];
+ }
+ if ( $tempTableStage > MIGRATION_OLD ) {
$fields["{$key}_id"] = "{$key}_id";
}
}
} else {
$join = $this->stage === MIGRATION_NEW ? 'JOIN' : 'LEFT JOIN';
- if ( isset( self::$tempTables[$key] ) ) {
- $t = self::$tempTables[$key];
+ $tempTableStage = isset( $this->tempTables[$key] )
+ ? $this->tempTables[$key]['stage'] : MIGRATION_NEW;
+ if ( $tempTableStage < MIGRATION_NEW ) {
+ $t = $this->tempTables[$key];
$alias = "temp_$key";
$tables[$alias] = $t['table'];
$joins[$alias] = [ $join, "{$alias}.{$t['pk']} = {$t['joinPK']}" ];
- $joinField = "{$alias}.{$t['field']}";
+ if ( $tempTableStage === MIGRATION_OLD ) {
+ $joinField = "{$alias}.{$t['field']}";
+ } else {
+ // Nothing hits this code path for now, but will in the future when we set
+ // $this->tempTables['rev_comment']['stage'] to MIGRATION_WRITE_NEW while
+ // merging revision_comment_temp into revision.
+ // @codeCoverageIgnoreStart
+ $joins[$alias][0] = 'LEFT JOIN';
+ $joinField = "(CASE WHEN {$key}_id != 0 THEN {$key}_id ELSE {$alias}.{$t['field']} END)";
+ throw new LogicException( 'Nothing should reach this code path at this time' );
+ // @codeCoverageIgnoreEnd
+ }
} else {
$joinField = "{$key}_id";
}
}
$data = null;
} else {
- if ( isset( self::$tempTables[$key] ) ) {
- if ( array_key_exists( "{$key}_pk", $row ) ) {
- if ( !$db ) {
- throw new InvalidArgumentException(
- "\$row does not contain fields needed for comment $key and getComment(), but "
- . "does have fields for getCommentLegacy()"
- );
- }
- $t = self::$tempTables[$key];
- $id = $row["{$key}_pk"];
- $row2 = $db->selectRow(
- [ $t['table'], 'comment' ],
- [ 'comment_id', 'comment_text', 'comment_data' ],
- [ $t['pk'] => $id ],
- __METHOD__,
- [],
- [ 'comment' => [ 'JOIN', [ "comment_id = {$t['field']}" ] ] ]
+ $tempTableStage = isset( $this->tempTables[$key] )
+ ? $this->tempTables[$key]['stage'] : MIGRATION_NEW;
+ $row2 = null;
+ if ( $tempTableStage > MIGRATION_OLD && array_key_exists( "{$key}_id", $row ) ) {
+ if ( !$db ) {
+ throw new InvalidArgumentException(
+ "\$row does not contain fields needed for comment $key and getComment(), but "
+ . "does have fields for getCommentLegacy()"
);
- } elseif ( $fallback && isset( $row[$key] ) ) {
- wfLogWarning( "Using deprecated fallback handling for comment $key" );
- $row2 = (object)[ 'comment_text' => $row[$key], 'comment_data' => null ];
- } else {
- throw new InvalidArgumentException( "\$row does not contain fields needed for comment $key" );
}
- } else {
- if ( array_key_exists( "{$key}_id", $row ) ) {
- if ( !$db ) {
- throw new InvalidArgumentException(
- "\$row does not contain fields needed for comment $key and getComment(), but "
- . "does have fields for getCommentLegacy()"
- );
- }
- $id = $row["{$key}_id"];
- $row2 = $db->selectRow(
- 'comment',
- [ 'comment_id', 'comment_text', 'comment_data' ],
- [ 'comment_id' => $id ],
- __METHOD__
+ $id = $row["{$key}_id"];
+ $row2 = $db->selectRow(
+ 'comment',
+ [ 'comment_id', 'comment_text', 'comment_data' ],
+ [ 'comment_id' => $id ],
+ __METHOD__
+ );
+ }
+ if ( !$row2 && $tempTableStage < MIGRATION_NEW && array_key_exists( "{$key}_pk", $row ) ) {
+ if ( !$db ) {
+ throw new InvalidArgumentException(
+ "\$row does not contain fields needed for comment $key and getComment(), but "
+ . "does have fields for getCommentLegacy()"
);
- } elseif ( $fallback && isset( $row[$key] ) ) {
- wfLogWarning( "Using deprecated fallback handling for comment $key" );
- $row2 = (object)[ 'comment_text' => $row[$key], 'comment_data' => null ];
- } else {
- throw new InvalidArgumentException( "\$row does not contain fields needed for comment $key" );
}
+ $t = $this->tempTables[$key];
+ $id = $row["{$key}_pk"];
+ $row2 = $db->selectRow(
+ [ $t['table'], 'comment' ],
+ [ 'comment_id', 'comment_text', 'comment_data' ],
+ [ $t['pk'] => $id ],
+ __METHOD__,
+ [],
+ [ 'comment' => [ 'JOIN', [ "comment_id = {$t['field']}" ] ] ]
+ );
+ }
+ if ( $row2 === null && $fallback && isset( $row[$key] ) ) {
+ wfLogWarning( "Using deprecated fallback handling for comment $key" );
+ $row2 = (object)[ 'comment_text' => $row[$key], 'comment_data' => null ];
+ }
+ if ( $row2 === null ) {
+ throw new InvalidArgumentException( "\$row does not contain fields needed for comment $key" );
}
if ( $row2 ) {
$msg = null;
if ( $data !== null ) {
- $data = FormatJson::decode( $data );
- if ( !is_object( $data ) ) {
+ $data = FormatJson::decode( $data, true );
+ if ( !is_array( $data ) ) {
// @codeCoverageIgnoreStart
wfLogWarning( "Invalid JSON object in comment: $data" );
$data = null;
// @codeCoverageIgnoreEnd
} else {
- $data = (array)$data;
if ( isset( $data['_message'] ) ) {
$msg = self::decodeMessage( $data['_message'] )
->setInterfaceMessageFlag( true );
}
if ( $this->stage >= MIGRATION_WRITE_BOTH ) {
- if ( isset( self::$tempTables[$key] ) ) {
- $t = self::$tempTables[$key];
+ $tempTableStage = isset( $this->tempTables[$key] )
+ ? $this->tempTables[$key]['stage'] : MIGRATION_NEW;
+ if ( $tempTableStage <= MIGRATION_WRITE_BOTH ) {
+ $t = $this->tempTables[$key];
$func = __METHOD__;
$commentId = $comment->id;
$callback = function ( $id ) use ( $dbw, $commentId, $t, $func ) {
$func
);
};
- } else {
+ }
+ if ( $tempTableStage >= MIGRATION_WRITE_BOTH ) {
$fields["{$key}_id"] = $comment->id;
}
}
// @codeCoverageIgnoreEnd
}
- if ( isset( self::$tempTables[$key] ) ) {
+ $tempTableStage = isset( $this->tempTables[$key] )
+ ? $this->tempTables[$key]['stage'] : MIGRATION_NEW;
+ if ( $tempTableStage < MIGRATION_WRITE_NEW ) {
throw new InvalidArgumentException( "Must use insertWithTempTable() for $key" );
}
// @codeCoverageIgnoreEnd
}
- if ( isset( self::$formerTempTables[$key] ) ) {
- wfDeprecated( __METHOD__ . " for $key", self::$formerTempTables[$key] );
- } elseif ( !isset( self::$tempTables[$key] ) ) {
+ if ( !isset( $this->tempTables[$key] ) ) {
throw new InvalidArgumentException( "Must use insert() for $key" );
+ } elseif ( isset( $this->tempTables[$key]['deprecatedIn'] ) ) {
+ wfDeprecated( __METHOD__ . " for $key", $this->tempTables[$key]['deprecatedIn'] );
}
list( $fields, $callback ) = $this->insertInternal( $dbw, $key, $comment, $data );