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PhabricatorConfigKeySchema.php
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Created
Tue, Apr 8, 12:13

PhabricatorConfigKeySchema.php
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<?php
final class PhabricatorConfigKeySchema
extends PhabricatorConfigStorageSchema {
const MAX_INNODB_KEY_LENGTH = 767;
private $columnNames;
private $unique;
private $table;
private $indexType;
public function setIndexType($index_type) {
$this->indexType = $index_type;
return $this;
}
public function getIndexType() {
return $this->indexType;
}
public function setProperty($property) {
$this->property = $property;
return $this;
}
public function getProperty() {
return $this->property;
}
public function setUnique($unique) {
$this->unique = $unique;
return $this;
}
public function getUnique() {
return $this->unique;
}
public function setTable(PhabricatorConfigTableSchema $table) {
$this->table = $table;
return $this;
}
public function getTable() {
return $this->table;
}
public function setColumnNames(array $column_names) {
$this->columnNames = array_values($column_names);
return $this;
}
public function getColumnNames() {
return $this->columnNames;
}
protected function getSubschemata() {
return array();
}
public function getKeyColumnAndPrefix($column_name) {
$matches = null;
if (preg_match('/^(.*)\((\d+)\)\z/', $column_name, $matches)) {
return array($matches[1], (int)$matches[2]);
} else {
return array($column_name, null);
}
}
public function getKeyByteLength() {
$size = 0;
foreach ($this->getColumnNames() as $column_spec) {
list($column_name, $prefix) = $this->getKeyColumnAndPrefix($column_spec);
$column = $this->getTable()->getColumn($column_name);
if (!$column) {
$size = 0;
break;
}
$size += $column->getKeyByteLength($prefix);
}
return $size;
}
protected function compareToSimilarSchema(
PhabricatorConfigStorageSchema $expect) {
$issues = array();
if ($this->getColumnNames() !== $expect->getColumnNames()) {
$issues[] = self::ISSUE_KEYCOLUMNS;
}
if ($this->getUnique() !== $expect->getUnique()) {
$issues[] = self::ISSUE_UNIQUE;
}
// A fulltext index can be of any length.
if ($this->getIndexType() != 'FULLTEXT') {
if ($this->getKeyByteLength() > self::MAX_INNODB_KEY_LENGTH) {
$issues[] = self::ISSUE_LONGKEY;
}
}
return $issues;
}
public function newEmptyClone() {
$clone = clone $this;
$this->table = null;
return $clone;
}
}

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