/**
* Load foreign keys for this table.
*/
protected function addForeignKeys(Table $table, $oid, $version)
{
$database = $table->getDatabase();
$stmt = $this->dbh->prepare("SELECT\n\t\t\t\t\t\t\t\t conname,\n\t\t\t\t\t\t\t\t confupdtype,\n\t\t\t\t\t\t\t\t confdeltype,\n\t\t\t\t\t\t\t\t CASE nl.nspname WHEN 'public' THEN cl.relname ELSE nl.nspname||'.'||cl.relname END as fktab,\n\t\t\t\t\t\t\t\t a2.attname as fkcol,\n\t\t\t\t\t\t\t\t CASE nr.nspname WHEN 'public' THEN cr.relname ELSE nr.nspname||'.'||cr.relname END as reftab,\n\t\t\t\t\t\t\t\t a1.attname as refcol\n\t\t\t\t\t\t\t\t FROM pg_constraint ct\n\t\t\t\t\t\t\t\t JOIN pg_class cl ON cl.oid=conrelid\n\t\t\t\t\t\t\t\t JOIN pg_class cr ON cr.oid=confrelid\n\t\t\t\t\t\t\t\t JOIN pg_namespace nl ON nl.oid = cl.relnamespace\n\t\t\t\t\t\t\t\t JOIN pg_namespace nr ON nr.oid = cr.relnamespace\n\t\t\t\t\t\t\t\t LEFT JOIN pg_catalog.pg_attribute a1 ON a1.attrelid = ct.confrelid\n\t\t\t\t\t\t\t\t LEFT JOIN pg_catalog.pg_attribute a2 ON a2.attrelid = ct.conrelid\n\t\t\t\t\t\t\t\t WHERE\n\t\t\t\t\t\t\t\t contype='f'\n\t\t\t\t\t\t\t\t AND conrelid = ?\n\t\t\t\t\t\t\t\t AND a2.attnum = ct.conkey[1]\n\t\t\t\t\t\t\t\t AND a1.attnum = ct.confkey[1]\n\t\t\t\t\t\t\t\t ORDER BY conname");
$stmt->bindValue(1, $oid);
$stmt->execute();
$foreignKeys = array();
// local store to avoid duplicates
while ($row = $stmt->fetch(PDO::FETCH_ASSOC)) {
$name = $row['conname'];
$local_table = $row['fktab'];
$local_column = $row['fkcol'];
$foreign_table = $row['reftab'];
$foreign_column = $row['refcol'];
// On Update
switch ($row['confupdtype']) {
case 'c':
$onupdate = ForeignKey::CASCADE;
break;
case 'd':
$onupdate = ForeignKey::SETDEFAULT;
break;
case 'n':
$onupdate = ForeignKey::SETNULL;
break;
case 'r':
$onupdate = ForeignKey::RESTRICT;
break;
default:
case 'a':
//NOACTION is the postgresql default
$onupdate = ForeignKey::NONE;
break;
}
// On Delete
switch ($row['confdeltype']) {
case 'c':
$ondelete = ForeignKey::CASCADE;
break;
case 'd':
$ondelete = ForeignKey::SETDEFAULT;
break;
case 'n':
$ondelete = ForeignKey::SETNULL;
break;
case 'r':
$ondelete = ForeignKey::RESTRICT;
break;
default:
case 'a':
//NOACTION is the postgresql default
$ondelete = ForeignKey::NONE;
break;
}
$foreignTable = $database->getTable($foreign_table);
$foreignColumn = $foreignTable->getColumn($foreign_column);
$localTable = $database->getTable($local_table);
$localColumn = $localTable->getColumn($local_column);
if (!isset($foreignKeys[$name])) {
$fk = new ForeignKey($name);
$fk->setForeignTableName($foreignTable->getName());
$fk->setOnDelete($ondelete);
$fk->setOnUpdate($onupdate);
$table->addForeignKey($fk);
$foreignKeys[$name] = $fk;
}
$foreignKeys[$name]->addReference($localColumn, $foreignColumn);
}
}
/**
* Load foreign keys for this table.
*/
protected function addForeignKeys(Table $table)
{
$database = $table->getDatabase();
$stmt = $this->dbh->query("SHOW CREATE TABLE `" . $table->getName() . "`");
$row = $stmt->fetch(PDO::FETCH_NUM);
$foreignKeys = array();
// local store to avoid duplicates
// Get the information on all the foreign keys
$regEx = '/CONSTRAINT `([^`]+)` FOREIGN KEY \\((.+)\\) REFERENCES `([^`]*)` \\((.+)\\)(.*)/';
if (preg_match_all($regEx, $row[1], $matches)) {
$tmpArray = array_keys($matches[0]);
foreach ($tmpArray as $curKey) {
$name = $matches[1][$curKey];
$rawlcol = $matches[2][$curKey];
$ftbl = $matches[3][$curKey];
$rawfcol = $matches[4][$curKey];
$fkey = $matches[5][$curKey];
$lcols = array();
foreach (preg_split('/`, `/', $rawlcol) as $piece) {
$lcols[] = trim($piece, '` ');
}
$fcols = array();
foreach (preg_split('/`, `/', $rawfcol) as $piece) {
$fcols[] = trim($piece, '` ');
}
//typical for mysql is RESTRICT
$fkactions = array('ON DELETE' => ForeignKey::RESTRICT, 'ON UPDATE' => ForeignKey::RESTRICT);
if ($fkey) {
//split foreign key information -> search for ON DELETE and afterwords for ON UPDATE action
foreach (array_keys($fkactions) as $fkaction) {
$result = NULL;
preg_match('/' . $fkaction . ' (' . ForeignKey::CASCADE . '|' . ForeignKey::SETNULL . ')/', $fkey, $result);
if ($result && is_array($result) && isset($result[1])) {
$fkactions[$fkaction] = $result[1];
}
}
}
$localColumns = array();
$foreignColumns = array();
$foreignTable = $database->getTable($ftbl);
foreach ($fcols as $fcol) {
$foreignColumns[] = $foreignTable->getColumn($fcol);
}
foreach ($lcols as $lcol) {
$localColumns[] = $table->getColumn($lcol);
}
if (!isset($foreignKeys[$name])) {
$fk = new ForeignKey($name);
$fk->setForeignTableName($foreignTable->getName());
$fk->setOnDelete($fkactions['ON DELETE']);
$fk->setOnUpdate($fkactions['ON UPDATE']);
$table->addForeignKey($fk);
$foreignKeys[$name] = $fk;
}
for ($i = 0; $i < count($localColumns); $i++) {
$foreignKeys[$name]->addReference($localColumns[$i], $foreignColumns[$i]);
}
}
}
}
public function modifyTable()
{
$table = $this->getTable();
$parentTable = $this->getParentTable();
if ($this->isCopyData()) {
// tell the parent table that it has a descendant
if (!$parentTable->hasBehavior('concrete_inheritance_parent')) {
$parentBehavior = new ConcreteInheritanceParentBehavior();
$parentBehavior->setName('concrete_inheritance_parent');
$parentBehavior->addParameter(array('name' => 'descendant_column', 'value' => $this->getParameter('descendant_column')));
$parentTable->addBehavior($parentBehavior);
// The parent table's behavior modifyTable() must be executed before this one
$parentBehavior->getTableModifier()->modifyTable();
$parentBehavior->setTableModified(true);
}
}
// Add the columns of the parent table
foreach ($parentTable->getColumns() as $column) {
if ($column->getName() == $this->getParameter('descendant_column')) {
continue;
}
if ($table->containsColumn($column->getName())) {
continue;
}
$copiedColumn = clone $column;
if ($column->isAutoIncrement() && $this->isCopyData()) {
$copiedColumn->setAutoIncrement(false);
}
$table->addColumn($copiedColumn);
if ($column->isPrimaryKey() && $this->isCopyData()) {
$fk = new ForeignKey();
$fk->setForeignTableName($column->getTable()->getName());
$fk->setOnDelete('CASCADE');
$fk->setOnUpdate(null);
$fk->addReference($copiedColumn, $column);
$fk->isParentChild = true;
$table->addForeignKey($fk);
}
}
// add the foreign keys of the parent table
foreach ($parentTable->getForeignKeys() as $fk) {
$copiedFk = clone $fk;
$copiedFk->setName('');
$copiedFk->setRefPhpName('');
$this->getTable()->addForeignKey($copiedFk);
}
// add the validators of the parent table
foreach ($parentTable->getValidators() as $validator) {
$copiedValidator = clone $validator;
$this->getTable()->addValidator($copiedValidator);
}
// add the indices of the parent table
foreach ($parentTable->getIndices() as $index) {
$copiedIndex = clone $index;
$copiedIndex->setName('');
$this->getTable()->addIndex($copiedIndex);
}
// add the unique indices of the parent table
foreach ($parentTable->getUnices() as $unique) {
$copiedUnique = clone $unique;
$copiedUnique->setName('');
$this->getTable()->addUnique($copiedUnique);
}
// give name to newly added foreign keys and indices
// (this is already done for other elements of the current table)
$table->doNaming();
// add the Behaviors of the parent table
foreach ($parentTable->getBehaviors() as $behavior) {
if ($behavior->getName() == 'concrete_inheritance_parent' || $behavior->getName() == 'concrete_inheritance') {
continue;
}
$copiedBehavior = clone $behavior;
$copiedBehavior->setTableModified(false);
$this->getTable()->addBehavior($copiedBehavior);
}
}
/**
* Load foreign keys for this table.
*
* @param Table $table The Table model class to add FKs to
*/
protected function addForeignKeys(Table $table)
{
// local store to avoid duplicates
$foreignKeys = array();
$stmt = $this->dbh->query("SELECT CONSTRAINT_NAME, DELETE_RULE, R_CONSTRAINT_NAME FROM USER_CONSTRAINTS WHERE CONSTRAINT_TYPE = 'R' AND TABLE_NAME = '" . $table->getName(). "'");
/* @var stmt PDOStatement */
while ($row = $stmt->fetch(PDO::FETCH_ASSOC)) {
// Local reference
$stmt2 = $this->dbh->query("SELECT COLUMN_NAME FROM USER_CONS_COLUMNS WHERE CONSTRAINT_NAME = '".$row['CONSTRAINT_NAME']."' AND TABLE_NAME = '" . $table->getName(). "'");
/* @var stmt2 PDOStatement */
$localReferenceInfo = $stmt2->fetch(PDO::FETCH_ASSOC);
// Foreign reference
$stmt2 = $this->dbh->query("SELECT TABLE_NAME, COLUMN_NAME FROM USER_CONS_COLUMNS WHERE CONSTRAINT_NAME = '".$row['R_CONSTRAINT_NAME']."'");
$foreignReferenceInfo = $stmt2->fetch(PDO::FETCH_ASSOC);
if (!isset($foreignKeys[$row["CONSTRAINT_NAME"]])) {
$fk = new ForeignKey($row["CONSTRAINT_NAME"]);
$fk->setForeignTableName($foreignReferenceInfo['TABLE_NAME']);
$fk->setOnDelete($row["DELETE_RULE"]);
$fk->setOnUpdate($row["DELETE_RULE"]);
$fk->addReference(array("local" => $localReferenceInfo['COLUMN_NAME'], "foreign" => $foreignReferenceInfo['COLUMN_NAME']));
$table->addForeignKey($fk);
$foreignKeys[$row["CONSTRAINT_NAME"]] = $fk;
}
}
}
/**
* Load foreign keys for this table.
*/
protected function addForeignKeys(Table $table)
{
$database = $table->getDatabase();
$stmt = $this->dbh->query("SELECT ccu1.TABLE_NAME, ccu1.COLUMN_NAME, ccu2.TABLE_NAME AS FK_TABLE_NAME, ccu2.COLUMN_NAME AS FK_COLUMN_NAME\n\t\t\t\t\t\t\t\t\tFROM INFORMATION_SCHEMA.CONSTRAINT_COLUMN_USAGE ccu1 INNER JOIN\n\t\t\t\t\t\t\t\t INFORMATION_SCHEMA.TABLE_CONSTRAINTS tc1 ON tc1.CONSTRAINT_NAME = ccu1.CONSTRAINT_NAME AND\n\t\t\t\t\t\t\t\t CONSTRAINT_TYPE = 'Foreign Key' INNER JOIN\n\t\t\t\t\t\t\t\t INFORMATION_SCHEMA.REFERENTIAL_CONSTRAINTS rc1 ON rc1.CONSTRAINT_NAME = tc1.CONSTRAINT_NAME INNER JOIN\n\t\t\t\t\t\t\t\t INFORMATION_SCHEMA.CONSTRAINT_COLUMN_USAGE ccu2 ON ccu2.CONSTRAINT_NAME = rc1.UNIQUE_CONSTRAINT_NAME\n\t\t\t\t\t\t\t\t\tWHERE (ccu1.table_name = '" . $table->getName() . "')");
$row = $stmt->fetch(PDO::FETCH_NUM);
$foreignKeys = array();
// local store to avoid duplicates
while ($row = $stmt->fetch(PDO::FETCH_ASSOC)) {
$lcol = $row['COLUMN_NAME'];
$ftbl = $row['FK_TABLE_NAME'];
$fcol = $row['FK_COLUMN_NAME'];
$foreignTable = $database->getTable($ftbl);
$foreignColumn = $foreignTable->getColumn($fcol);
$localColumn = $table->getColumn($lcol);
if (!isset($foreignKeys[$name])) {
$fk = new ForeignKey($name);
$fk->setForeignTableName($foreignTable->getName());
//$fk->setOnDelete($fkactions['ON DELETE']);
//$fk->setOnUpdate($fkactions['ON UPDATE']);
$table->addForeignKey($fk);
$foreignKeys[$name] = $fk;
}
$foreignKeys[$name]->addReference($localColumn, $foreignColumn);
}
}
/**
* Load foreign keys for this table.
*/
protected function addForeignKeys(Table $table)
{
$database = $table->getDatabase();
$stmt = $this->dbh->query("SELECT CONSTRAINT_NAME, DELETE_RULE, R_CONSTRAINT_NAME FROM ALL_CONSTRAINTS WHERE CONSTRAINT_TYPE = 'R' AND TABLE_NAME = '" . $table->getName() . "'");
$foreignKeys = array();
// local store to avoid duplicates
while ($row = $stmt->fetch(PDO::FETCH_ASSOC)) {
$name = $row['CONSTRAINT_NAME'];
$stmt2 = $this->dbh->query("SELECT CON.CONSTRAINT_NAME, CON.TABLE_NAME, COL.COLUMN_NAME FROM USER_CONS_COLUMNS COL, USER_CONSTRAINTS CON WHERE COL.CONSTRAINT_NAME = CON.CONSTRAINT_NAME AND COL.CONSTRAINT_NAME = '" . $row['R_CONSTRAINT_NAME'] . "'");
$foreignKeyCols = $stmt2->fetch(PDO::FETCH_ASSOC);
if (!is_array($foreignKeyCols[0])) {
$foreignRows[0] = $foreignKeyCols;
} else {
$foreignRows = $foreignKeyCols;
}
$stmt2 = $this->dbh->query("SELECT CON.CONSTRAINT_NAME, CON.TABLE_NAME, COL.COLUMN_NAME FROM USER_CONS_COLUMNS COL, USER_CONSTRAINTS CON WHERE COL.CONSTRAINT_NAME = CON.CONSTRAINT_NAME AND COL.CONSTRAINT_NAME = '" . $row['CONSTRAINT_NAME'] . "'");
$localKeyCols = $stmt2->fetch(PDO::FETCH_ASSOC);
if (!is_array($localKeyCols[0])) {
$localRows[0] = $localKeyCols;
} else {
$localRows = $localKeyCols;
}
print_r($foreignRows);
$localColumns = array();
$foreignColumns = array();
$foreignTable = $database->getTable($foreignRows[0]["TABLE_NAME"]);
foreach ($foreignRows as $foreignCol) {
$foreignColumns[] = $foreignTable->getColumn($foreignCol["COLUMN_NAME"]);
}
foreach ($localRows as $localCol) {
$localColumns[] = $table->getColumn($localCol['COLUMN_NAME']);
}
if (!isset($foreignKeys[$name])) {
$fk = new ForeignKey($name);
$fk->setForeignTableName($foreignTable->getName());
$fk->setOnDelete($row["DELETE_RULE"]);
$fk->setOnUpdate($row["DELETE_RULE"]);
$table->addForeignKey($fk);
$foreignKeys[$name] = $fk;
}
for ($i = 0; $i < count($localColumns); $i++) {
$foreignKeys[$name]->addReference($localColumns[$i], $foreignColumns[$i]);
}
}
}
