public function setUp()
{
$forkRate = 16;
$file = new FileResourceProxy(fopen("php://memory", "w"));
$doublesFile = new FileResourceProxy(fopen("php://memory", "w"));
$tableSchemaFile = new FileResourceProxy(fopen("php://memory", "w"));
$indexSchemaFile = new FileResourceProxy(fopen("php://memory", "w"));
$tableSchema = new TableSchema($tableSchemaFile, $indexSchemaFile);
$columnPageA = new ColumnSchema();
$columnPageA->setName("columnB");
$columnPageA->setIndex(0);
$columnPageA->setDataType(DataType::INT());
$columnPageA->setLength(4);
$tableSchema->addColumnSchema($columnPageA);
$columnPageB = new ColumnSchema();
$columnPageB->setName("columnC");
$columnPageB->setIndex(1);
$columnPageB->setDataType(DataType::VARCHAR());
$columnPageB->setLength(4);
$tableSchema->addColumnSchema($columnPageB);
$indexPage = new IndexSchema();
$indexPage->setName("test-index");
$indexPage->setColumns([0, 1]);
$indexPage->setType(Type::INDEX());
$indexPage->setEngine(IndexEngine::BTREE());
$this->btree = new BTree($file, $tableSchema, $indexPage, $forkRate);
$this->btree->setDoublesFile($doublesFile);
$this->btree->setIsDevelopmentMode(true);
}
public function setUp()
{
$file = new FileResourceProxy(fopen("php://memory", "w"));
$columnSchema = new ColumnSchema();
$columnSchema->setName("test_column");
$columnSchema->setIndex(0);
$columnSchema->setDataType(DataType::VARCHAR());
$columnSchema->setLength(10);
$this->columnData = new ColumnData($file, $columnSchema);
}
public function createTableSchema($tableSchemaFile, $indexSchemaFile, $tableName)
{
$tableSchema = new TableSchema(new FileResourceProxy(fopen("php://memory", "w")), new FileResourceProxy(fopen("php://memory", "w")));
$columns = array();
if (isset($this->columnsMap[$tableName])) {
$columns = $this->columnsMap[$tableName];
}
foreach ($columns as $index => list($name, $type, $length)) {
$columnSchema = new ColumnSchema();
$columnSchema->setName($name);
$columnSchema->setIndex($index);
$columnSchema->setDataType(DataType::getByValue($type));
$columnSchema->setLength($length);
$tableSchema->addColumnSchema($columnSchema);
}
return $tableSchema;
}
public function modifyColumn(ColumnSchema $columnSchema, ColumnDataInterface $addedColumnData)
{
/* @var $tableSchema TableSchema */
$tableSchema = $this->getTableSchema();
$columnIndex = $tableSchema->getColumnIndex($columnSchema->getName());
$originalColumn = $tableSchema->getColumn($columnIndex);
if (is_null($columnIndex)) {
throw new InvalidArgumentException("Column '{$columnSchema->getName()}' does not exist!");
}
$columnSchema->setIndex($originalColumn->getIndex());
$tableSchema->writeColumn($columnIndex, $columnSchema);
$oldColumnData = $this->getColumnData($columnIndex);
foreach ($oldColumnData as $rowId => $cellData) {
$addedColumnData->setCellData($rowId, $cellData);
}
$this->columnDatas[$columnIndex] = $addedColumnData;
}