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<?php
/**
* Convert a JSON abstract schema to a schema file in the given DBMS type
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
*
* @file
* @ingroup Maintenance
*/
use Doctrine\SqlFormatter\NullHighlighter;
use Doctrine\SqlFormatter\SqlFormatter;
use Wikimedia\Rdbms\DoctrineSchemaBuilderFactory;
require_once __DIR__ . '/Maintenance.php';
/**
* Maintenance script to generate schema from abstract json files.
*
* @ingroup Maintenance
*/
class GenerateSchemaSql extends Maintenance {
public function __construct() {
parent::__construct();
$this->addDescription( 'Build SQL files from abstract JSON files' );
$this->addOption(
'json',
'Path to the json file. Default: tables.json',
false,
true
);
$this->addOption(
'sql',
'Path to output. Default: tables-generated.sql',
false,
true
);
$this->addOption(
'type',
'Can be either \'mysql\', \'sqlite\', or \'postgres\'. Default: mysql',
false,
true
);
}
public function execute() {
global $IP;
$platform = $this->getOption( 'type', 'mysql' );
$jsonPath = $this->getOption( 'json', __DIR__ . '/tables.json' );
$installPath = $IP;
// For windows
if ( DIRECTORY_SEPARATOR === '\\' ) {
$installPath = strtr( $installPath, '\\', '/' );
$jsonPath = strtr( $jsonPath, '\\', '/' );
}
$relativeJsonPath = str_replace(
[ "$installPath/extensions/", "$installPath/" ],
'',
$jsonPath
);
$sqlPath = $this->getOption( 'sql', __DIR__ . '/tables-generated.sql' );
$abstractSchema = json_decode( file_get_contents( $jsonPath ), true );
$schemaBuilder = ( new DoctrineSchemaBuilderFactory() )->getSchemaBuilder( $platform );
if ( $abstractSchema === null ) {
$this->fatalError( "'$jsonPath' seems to be invalid json. Check the syntax and try again!" );
}
foreach ( $abstractSchema as $table ) {
$schemaBuilder->addTable( $table );
}
$sql = "-- This file is automatically generated using maintenance/generateSchemaSql.php.\n" .
"-- Source: $relativeJsonPath\n" .
"-- Do not modify this file directly.\n" .
"-- See https://www.mediawiki.org/wiki/Manual:Schema_changes\n";
$tables = $schemaBuilder->getSql();
if ( $tables !== [] ) {
// Temporary
$sql .= implode( ";\n\n", $tables ) . ';';
$sql = ( new SqlFormatter( new NullHighlighter() ) )->format( $sql );
}
// Postgres hacks
if ( $platform === 'postgres' ) {
// FIXME: Fix a lot of weird formatting issues caused by
// presence of partial index's WHERE clause, this should probably
// be done in some better way, but for now this can work temporarily
$sql = str_replace(
[ "WHERE\n ", "\n /*_*/\n ", " ", " );", "KEY(\n " ],
[ "WHERE", ' ', " ", ');', "KEY(\n " ],
$sql
);
// MySQL goes with varbinary for collation reasons, but postgres can't
// properly understand BYTEA type and works just fine with TEXT type
// FIXME: This should be fixed at some point (T257755)
$sql = str_replace( "BYTEA", 'TEXT', $sql );
}
// Until the linting issue is resolved
// https://github.com/doctrine/sql-formatter/issues/53
$sql = str_replace( "\n/*_*/\n", " /*_*/", $sql );
$sql = str_replace( "; CREATE ", ";\n\nCREATE ", $sql );
$sql = str_replace( ";\n\nCREATE TABLE ", ";\n\n\nCREATE TABLE ", $sql );
$sql = str_replace(
"\n" . '/*$wgDBTableOptions*/' . ";",
' /*$wgDBTableOptions*/;',
$sql
);
$sql = str_replace(
"\n" . '/*$wgDBTableOptions*/' . "\n;",
' /*$wgDBTableOptions*/;',
$sql
);
$sql .= "\n";
file_put_contents( $sqlPath, $sql );
}
}
$maintClass = GenerateSchemaSql::class;
require_once RUN_MAINTENANCE_IF_MAIN;
|
