/**
* @inheritdoc
*/
public function checkColumn(Column $column)
{
if ($column->flags & Column::TIMESTAMP) {
if (!$column->getDefault()) {
$column->setFlag(Column::NOT_NULL);
$column->setDefault(new Raw('CURRENT_TIMESTAMP'));
}
}
}
public function getTableDefinition($tableName)
{
$tableSymbol = new Symbol($tableName);
$res = $this->database->query("DESC ?", $tableSymbol);
$columns = new \stdClass();
while ($row = $res->fetchRow()) {
$type = $row['Type'];
$field = $row['Field'];
$phpType = $this->getTypeByString($type);
if ('auto_increment' === $row['Extra']) {
$phpType += Column::AUTO_ID;
}
$column = new Column($phpType);
$columns->{$field} = $column;
$column->schemaName = $field;
$notNull = $row['Null'] === 'NO';
if ($row['Default'] !== null || !$notNull) {
$column->setDefault($row['Default']);
}
$column->setFlag(Column::NOT_NULL, $notNull);
}
$definition = new Table($columns, $this->database, $tableName);
$res = $this->database->query("SHOW INDEX FROM ?", $tableSymbol);
$indexes = array();
$uniqueIndex = array();
foreach ($res as $row) {
$indexes[$row['Key_name']][$row['Seq_in_index']] = $columns->{$row['Column_name']};
$uniqueIndex[$row['Key_name']] = !$row['Non_unique'];
}
foreach ($indexes as $indexName => $indexData) {
ksort($indexData);
$index = new Index(array_values($indexData));
$index->setName($indexName);
$index->setType($uniqueIndex[$indexName] ? Index::TYPE_UNIQUE : Index::TYPE_KEY);
if ($indexName === self::_PRIMARY) {
$definition->setPrimaryKey($index->columns);
} else {
$definition->addIndex($index);
}
}
return $definition;
}
private function parseColumn(Parser $parser)
{
$columnName = $parser->inner(null, array(' ', "\r", "\n", "\t"));
$columnName = (string) $this->resolve(trim($columnName));
$type = (string) $parser->inner(null, ' ');
$unsigned = $parser->contain('UNSIGNED', true);
$notNull = $parser->contain('NOT NULL', true);
$autoId = $this->isAutoId($parser);
$default = $parser->inner('DEFAULT ', null, false, true);
if (!$default->isEmpty()) {
$default = (string) $default;
$defUpper = strtoupper($default);
if ('NULL' === $defUpper) {
$default = null;
} elseif ('CURRENT_TIMESTAMP' === $defUpper) {
$default = new Raw($defUpper);
} elseif (strpos($default, self::BIND_PREFIX) !== false) {
$default = $this->resolve($default);
}
} else {
$default = false;
}
$flags = $this->getTypeByString($type);
if ($notNull) {
$flags += Column::NOT_NULL;
}
if ($autoId) {
$flags += Column::AUTO_ID;
}
if ($unsigned) {
$flags += Column::UNSIGNED;
}
$column = new Column($flags);
if ($length = (string) $parser->setOffset(0)->inner('VARCHAR(', ')', false, true)) {
$column->setStringLength($length, false);
} elseif ($length = (string) $parser->setOffset(0)->inner('CHAR(', ')', false, true)) {
$column->setStringLength($length, true);
}
$column->setDefault($default);
$column->schemaName = $columnName;
$this->columns->{$columnName} = $column;
}
public function getColumns($tableName)
{
//echo PHP_EOL . 'table: ' . $tableName . PHP_EOL;
$res = $this->database->select()->select('c.column_name, c.is_nullable, c.data_type, c.column_default, tc.constraint_type')->from('INFORMATION_SCHEMA.COLUMNS AS c')->leftJoin('INFORMATION_SCHEMA.constraint_column_usage AS ccu ON c.column_name = ccu.column_name AND c.table_name = ccu.table_name')->leftJoin('INFORMATION_SCHEMA.table_constraints AS tc ON ccu.constraint_name = tc.constraint_name')->where('c.table_name = ?', $tableName)->order('c.ordinal_position ASC')->query();
$columns = new \stdClass();
while ($r = $res->fetchRow()) {
//print_r($r);
$field = $r['column_name'];
//echo 'field: ' . $field . PHP_EOL;
$phpType = $this->getColumnFlagsByString($r['data_type']);
$notNull = $r['is_nullable'] === 'NO';
$column = new Column($phpType);
$skipDefault = false;
if ('nextval' === substr($r['column_default'], 0, 7)) {
$column->setFlag(Column::AUTO_ID);
$column->setFlag(Column::INTEGER);
$skipDefault = true;
}
$column->setFlag(Column::NOT_NULL, $notNull);
if (!$skipDefault) {
$default = $r['column_default'];
if ($default !== null || !$notNull) {
if (is_string($default)) {
if ("'" === $default[0]) {
$pos = strrpos($default, "'::");
if ($pos !== false) {
$default = substr($default, 1, $pos - 1);
}
} elseif ('NULL::' === substr($default, 0, 6)) {
$default = null;
}
}
$column->setDefault($default);
}
}
$columns->{$field} = $column;
}
return $columns;
}
