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BUG Fix issues preventing a site from being migrated from SS3 to SS4 (#104)

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* BUG Enum value change wasn't being detected by alterTableAlterColumn because backslashes were not accounting

* BUG Update renameTable to also rename constraints

* BUG Add unit tests to cover requireTable and renameTable

* Fix liniting errors

* MINOR Update build to use xenial and add extra PHP version
This commit is contained in:
Maxime Rainville 2019-09-26 10:25:41 +12:00 committed by GitHub
parent beed6c7fb7
commit 753d73e1fe
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3 changed files with 190 additions and 5 deletions
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12
.travis.yml
View File

@ -1,6 +1,10 @@
language: php
dist: trusty
dist: xenial
services:
- postgresql
-
cache:
directories:
@ -19,6 +23,12 @@ matrix:
- php: 7.1
env:
- PHPUNIT_TEST=framework
- php: 7.2
env:
- PHPUNIT_TEST=framework
- php: 7.3
env:
- PHPUNIT_TEST=framework
- php: 7.1
env:
- PHPUNIT_TEST=postgresql

45
code/PostgreSQLSchemaManager.php
View File

@ -494,9 +494,15 @@ class PostgreSQLSchemaManager extends DBSchemaManager
// First, we split the column specifications into parts
// TODO: this returns an empty array for the following string: int(11) not null auto_increment
// on second thoughts, why is an auto_increment field being passed through?
$pattern = '/^([\w(\,)]+)\s?((?:not\s)?null)?\s?(default\s[\w\.\']+)?\s?(check\s[\w()\'",\s]+)?$/i';
$pattern = '/^([\w(\,)]+)\s?((?:not\s)?null)?\s?(default\s[\w\.\'\\\\]+)?\s?(check\s[\w()\'",\s\\\\]+)?$/i';
preg_match($pattern, $colSpec, $matches);
// example value this regex is expected to parse:
// varchar(255) not null default 'SS\Test\Player' check ("ClassName" in ('SS\Test\Player', 'Player', null))
// split into:
// * varchar(255)
// * not null
// * default 'SS\Test\Player'
// * check ("ClassName" in ('SS\Test\Player', 'Player', null))
if (sizeof($matches) == 0) {
return '';
@ -537,8 +543,8 @@ class PostgreSQLSchemaManager extends DBSchemaManager
if ($this->hasTable("{$tableName}_Live")) {
$updateConstraint .= "UPDATE \"{$tableName}_Live\" SET \"$colName\"='$default' WHERE \"$colName\" NOT IN ($constraint_values);";
}
if ($this->hasTable("{$tableName}_versions")) {
$updateConstraint .= "UPDATE \"{$tableName}_versions\" SET \"$colName\"='$default' WHERE \"$colName\" NOT IN ($constraint_values);";
if ($this->hasTable("{$tableName}_Versions")) {
$updateConstraint .= "UPDATE \"{$tableName}_Versions\" SET \"$colName\"='$default' WHERE \"$colName\" NOT IN ($constraint_values);";
}
$this->query($updateConstraint);
@ -560,8 +566,17 @@ class PostgreSQLSchemaManager extends DBSchemaManager
public function renameTable($oldTableName, $newTableName)
{
$constraints = $this->getConstraintForTable($oldTableName);
$this->query("ALTER TABLE \"$oldTableName\" RENAME TO \"$newTableName\"");
if ($constraints) {
foreach ($constraints as $old) {
$new = preg_replace('/^' . $oldTableName . '/', $newTableName, $old);
$this->query("ALTER TABLE \"$newTableName\" RENAME CONSTRAINT \"$old\" TO \"$new\";");
}
}
unset(self::$cached_fieldlists[$oldTableName]);
unset(self::$cached_constraints[$oldTableName]);
}
public function checkAndRepairTable($tableName)
@ -961,6 +976,28 @@ class PostgreSQLSchemaManager extends DBSchemaManager
return self::$cached_constraints[$constraint];
}
/**
* Retrieve a list of constraints for the provided table name.
* @param string $tableName
* @return array
*/
private function getConstraintForTable($tableName)
{
// Note the PostgreSQL `like` operator is case sensitive
$constraints = $this->preparedQuery(
"
SELECT conname
FROM pg_catalog.pg_constraint r
INNER JOIN pg_catalog.pg_namespace n
ON r.connamespace = n.oid
WHERE r.contype = 'c' AND conname like ? AND n.nspname = ?
ORDER BY 1;",
array($tableName . '_%', $this->database->currentSchema())
)->column('conname');
return $constraints;
}
/**
* A function to return the field names and datatypes for the particular table
*

138
tests/PostgreSQLSchemaManagerTest.php Normal file
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@ -0,0 +1,138 @@
<?php
namespace SilverStripe\PostgreSQL\Tests;
use SilverStripe\Core\ClassInfo;
use SilverStripe\Dev\SapphireTest;
use SilverStripe\ORM\Connect\Database;
use SilverStripe\ORM\Connect\DatabaseException;
use SilverStripe\ORM\DB;
use SilverStripe\PostgreSQL\PostgreSQLConnector;
use SilverStripe\PostgreSQL\PostgreSQLSchemaManager;
class PostgreSQLSchemaManagerTest extends SapphireTest
{
protected $usesTransactions = false;
public function testAlterTable()
{
try {
/** @var PostgreSQLSchemaManager $dbSchema */
$dbSchema = DB::get_schema();
$dbSchema->quiet();
$this->createSS3Table();
try {
DB::query('INSERT INTO "ClassNamesUpgrade" ("ClassName") VALUES (\'App\MySite\FooBar\')');
$this->assertFalse(true, 'SS3 Constaint should have blocked the previous insert.');
} catch (DatabaseException $ex) {
}
$dbSchema->schemaUpdate(function () use ($dbSchema) {
$dbSchema->requireTable(
'ClassNamesUpgrade',
[
'ID' => 'PrimaryKey',
'ClassName' => 'Enum(array("App\\\\MySite\\\\FooBar"))',
]
);
});
DB::query('INSERT INTO "ClassNamesUpgrade" ("ClassName") VALUES (\'App\MySite\FooBar\')');
$count = DB::query('SELECT count(*) FROM "ClassNamesUpgrade" WHERE "ClassName" = \'App\MySite\FooBar\'')
->value();
$this->assertEquals(1, $count);
} finally {
DB::query('DROP TABLE IF EXISTS "ClassNamesUpgrade"');
DB::query('DROP SEQUENCE IF EXISTS "ClassNamesUpgrade_ID_seq"');
}
}
private function createSS3Table()
{
DB::query(<<<SQL
CREATE SEQUENCE "ClassNamesUpgrade_ID_seq" start 1 increment 1;
CREATE TABLE "ClassNamesUpgrade"
(
"ID" bigint NOT NULL DEFAULT nextval('"ClassNamesUpgrade_ID_seq"'::regclass),
"ClassName" character varying(255) DEFAULT 'ClassNamesUpgrade'::character varying,
CONSTRAINT "ClassNamesUpgrade_pkey" PRIMARY KEY ("ID"),
CONSTRAINT "ClassNamesUpgrade_ClassName_check" CHECK ("ClassName"::text = ANY (ARRAY['FooBar'::character varying::text]))
)
WITH (
OIDS=FALSE
);
SQL
);
}
public function testRenameTable()
{
try {
/** @var PostgreSQLSchemaManager $dbSchema */
$dbSchema = DB::get_schema();
$dbSchema->quiet();
$this->createSS3VersionedTable();
$this->assertConstraintCount(1, 'ClassNamesUpgrade_versioned_ClassName_check');
$dbSchema->schemaUpdate(function () use ($dbSchema) {
$dbSchema->renameTable(
'ClassNamesUpgrade_versioned',
'ClassNamesUpgrade_Versioned'
);
});
$this->assertTableCount(0, 'ClassNamesUpgrade_versioned');
$this->assertTableCount(1, 'ClassNamesUpgrade_Versioned');
$this->assertConstraintCount(0, 'ClassNamesUpgrade_versioned_ClassName_check');
$this->assertConstraintCount(1, 'ClassNamesUpgrade_Versioned_ClassName_check');
} finally {
DB::query('DROP TABLE IF EXISTS "ClassNamesUpgrade_Versioned"');
DB::query('DROP TABLE IF EXISTS "ClassNamesUpgrade_versioned"');
DB::query('DROP SEQUENCE IF EXISTS "ClassNamesUpgrade_versioned_ID_seq"');
}
}
private function assertConstraintCount($expected, $constraintName)
{
$count = DB::prepared_query(
'SELECT count(*) FROM pg_catalog.pg_constraint WHERE conname like ?',
[$constraintName]
)->value();
$this->assertEquals($expected, $count);
}
private function assertTableCount($expected, $tableName)
{
$count = DB::prepared_query(
'SELECT count(*) FROM pg_catalog.pg_tables WHERE "tablename" like ?',
[$tableName]
)->value();
$this->assertEquals($expected, $count);
}
private function createSS3VersionedTable()
{
DB::query(<<<SQL
CREATE SEQUENCE "ClassNamesUpgrade_versioned_ID_seq" start 1 increment 1;
CREATE TABLE "ClassNamesUpgrade_versioned"
(
"ID" bigint NOT NULL DEFAULT nextval('"ClassNamesUpgrade_versioned_ID_seq"'::regclass),
"ClassName" character varying(255) DEFAULT 'ClassNamesUpgrade'::character varying,
CONSTRAINT "ClassNamesUpgrade_pkey" PRIMARY KEY ("ID"),
CONSTRAINT "ClassNamesUpgrade_versioned_ClassName_check" CHECK ("ClassName"::text = ANY (ARRAY['FooBar'::character varying::text]))
)
WITH (
OIDS=FALSE
);
SQL
);
}
}