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Merged
blizzz merged 3 commits into from
Jan 3, 2019
Merged

Only enforce schema limits for supported apps #10555

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f265657
Only check changed items
nickvergessen Aug 6, 2018
c09fa1e
Only check the Oracle schema conditions if the app supports it
nickvergessen Aug 6, 2018
85a0e10
Update the tests to the comparison logic
nickvergessen Oct 10, 2018
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Only check changed items 
Signed-off-by: Joas Schilling <[email protected]>
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@nickvergessen
nickvergessen committed Dec 17, 2018
commit f265657bc676272476f814d66c783560f139db02
31 changes: 18 additions & 13 deletions lib/private/DB/MigrationService.php
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Original file line number Diff line number Diff line change
Expand Up @@ -25,11 +25,11 @@

use Doctrine\DBAL\Platforms\OraclePlatform;
use Doctrine\DBAL\Platforms\PostgreSqlPlatform;
use Doctrine\DBAL\Schema\Column;
use Doctrine\DBAL\Schema\Index;
use Doctrine\DBAL\Schema\Schema;
use Doctrine\DBAL\Schema\SchemaException;
use Doctrine\DBAL\Schema\Sequence;
use Doctrine\DBAL\Schema\Table;
use OC\IntegrityCheck\Helpers\AppLocator;
use OC\Migration\SimpleOutput;
use OCP\AppFramework\App;
Expand Down Expand Up @@ -456,9 +456,9 @@ public function executeStep($version, $schemaOnly = false) {
}, ['tablePrefix' => $this->connection->getPrefix()]);

if ($toSchema instanceof SchemaWrapper) {
$sourceSchema = $this->connection->createSchema();
$targetSchema = $toSchema->getWrappedSchema();
// TODO re-enable once stable14 is branched of: https://github.com/nextcloud/server/issues/10518
// $this->ensureOracleIdentifierLengthLimit($targetSchema, strlen($this->connection->getPrefix()));
$this->ensureOracleIdentifierLengthLimit($sourceSchema, $targetSchema, strlen($this->connection->getPrefix()));
$this->connection->migrateToSchema($targetSchema);
$toSchema->performDropTableCalls();
}
Expand All @@ -472,34 +472,39 @@ public function executeStep($version, $schemaOnly = false) {
$this->markAsExecuted($version);
}

public function ensureOracleIdentifierLengthLimit(Schema $schema, int $prefixLength) {
$sequences = $schema->getSequences();
public function ensureOracleIdentifierLengthLimit(Schema $sourceSchema, Schema $targetSchema, int $prefixLength) {
$sequences = $targetSchema->getSequences();

foreach ($schema->getTables() as $table) {
if (\strlen($table->getName()) - $prefixLength > 27) {
throw new \InvalidArgumentException('Table name "' . $table->getName() . '" is too long.');
foreach ($targetSchema->getTables() as $table) {
try {
$sourceTable = $sourceSchema->getTable($table->getName());
} catch (SchemaException $e) {
if (\strlen($table->getName()) - $prefixLength > 27) {
throw new \InvalidArgumentException('Table name "' . $table->getName() . '" is too long.');
}
$sourceTable = null;
}

foreach ($table->getColumns() as $thing) {
if (\strlen($thing->getName()) - $prefixLength > 27) {
if ((!$sourceTable instanceof Table || !$sourceTable->hasColumn($thing->getName())) && \strlen($thing->getName()) - $prefixLength > 27) {
throw new \InvalidArgumentException('Column name "' . $table->getName() . '"."' . $thing->getName() . '" is too long.');
}
}

foreach ($table->getIndexes() as $thing) {
if (\strlen($thing->getName()) - $prefixLength > 27) {
if ((!$sourceTable instanceof Table || !$sourceTable->hasIndex($thing->getName())) && \strlen($thing->getName()) - $prefixLength > 27) {
throw new \InvalidArgumentException('Index name "' . $table->getName() . '"."' . $thing->getName() . '" is too long.');
}
}

foreach ($table->getForeignKeys() as $thing) {
if (\strlen($thing->getName()) - $prefixLength > 27) {
if ((!$sourceTable instanceof Table || !$sourceTable->hasForeignKey($thing->getName())) && \strlen($thing->getName()) - $prefixLength > 27) {
throw new \InvalidArgumentException('Foreign key name "' . $table->getName() . '"."' . $thing->getName() . '" is too long.');
}
}

$primaryKey = $table->getPrimaryKey();
if ($primaryKey instanceof Index) {
if ($primaryKey instanceof Index && (!$sourceTable instanceof Table || !$sourceTable->hasPrimaryKey())) {
$indexName = strtolower($primaryKey->getName());
$isUsingDefaultName = $indexName === 'primary';

Expand Down Expand Up @@ -528,7 +533,7 @@ public function ensureOracleIdentifierLengthLimit(Schema $schema, int $prefixLen
}

foreach ($sequences as $sequence) {
if (\strlen($sequence->getName()) - $prefixLength > 27) {
if (!$sourceSchema->hasSequence($sequence->getName()) && \strlen($sequence->getName()) - $prefixLength > 27) {
throw new \InvalidArgumentException('Sequence name "' . $sequence->getName() . '" is too long.');
}
}
Expand Down