/**
* Generate body of stored procedure.
*
* @param array[] $columns Columns from table.
* @param array[] $params Params for where block.
*/
private function generateBodyPart($params, $columns)
{
$lines = [];
$this->modifiesPart($this->checkAutoIncrement($columns), $lines);
$lines[] = 'begin';
$this->bodyPart($params, $columns, $lines);
$lines[] = 'end';
$this->storedProcedureCode->append($lines, false);
}
/**
* Returns a SQL statement for creating the audit table.
*
* @return string
*/
public function buildStatement()
{
$code = new MySqlCompoundSyntaxCodeStore();
$code->append(sprintf('create table `%s`.`%s`', $this->auditSchemaName, $this->tableName));
// Create SQL for columns.
$code->append('(');
$code->append($this->getColumnDefinitions());
// Create SQL for table options.
$tableOptions = AuditDataLayer::getTableOptions($this->dataSchemaName, $this->tableName);
$code->append(sprintf(') engine=%s character set=%s collate=%s', $tableOptions['engine'], $tableOptions['character_set_name'], $tableOptions['table_collation']));
return $code->getCode();
}
/**
* Returns a SQL statement for adding new columns to the audit table.
*
* @return string
*/
public function buildStatement()
{
$code = new MySqlCompoundSyntaxCodeStore();
$code->append(sprintf('alter table `%s`.`%s`', $this->auditSchemaName, $this->tableName));
/** @var ColumnMetadata $column */
foreach ($this->columns->getColumns() as $column) {
$code->append(sprintf(' add `%s` %s', $column->getProperty('column_name'), $column->getProperty('column_type')), false);
$after = $column->getProperty('after');
if (isset($after)) {
$code->appendToLastLine(sprintf(' after `%s`', $after));
} else {
$code->appendToLastLine(' first');
}
$columns = $this->columns->getColumns();
if (end($columns) !== $column) {
$code->appendToLastLine(',');
}
}
return $code->getCode();
}
/**
* Adds the "values" part of an insert SQL statement to SQL code for a trigger.
*
* @param string $rowState The row state (i.e. OLD or NEW).
*/
private function createInsertStatementValues($rowState)
{
$values = '';
// First the values for the audit columns.
foreach ($this->auditColumns->getColumns() as $column) {
$column = $column->getProperties();
if ($values) {
$values .= ',';
}
switch (true) {
case isset($column['value_type']):
switch ($column['value_type']) {
case 'ACTION':
$values .= StaticDataLayer::quoteString($this->triggerAction);
break;
case 'STATE':
$values .= StaticDataLayer::quoteString($rowState);
break;
default:
throw new FallenException('value_type', $column['value_type']);
}
break;
case isset($column['expression']):
$values .= $column['expression'];
break;
default:
throw new RuntimeException('None of value_type and expression are set.');
}
}
// Second the values for the audit columns.
foreach ($this->tableColumns->getColumns() as $column) {
if ($values) {
$values .= ',';
}
$values .= sprintf('%s.`%s`', $rowState, $column->getProperty('column_name'));
}
$this->code->append(sprintf('values(%s);', $values));
}
/**
* Generate code for stored procedure.
*
* @param string $tableName The table name.
* @param string $spType Stored procedure type {insert|update|delete|select}.
* @param string $spName Stored procedure name.
*
* @return string
*/
private function generateSP($tableName, $spType, $spName)
{
$this->storedProcedureCode = new MySqlCompoundSyntaxCodeStore();
switch ($spType) {
case 'UPDATE':
$routine = new UpdateRoutine($this->input, $this->output, $this->helper, $spType, $spName, $tableName, $this->dataSchema);
$this->storedProcedureCode->append($routine->getCode(), false);
break;
case 'DELETE':
$routine = new DeleteRoutine($this->input, $this->output, $this->helper, $spType, $spName, $tableName, $this->dataSchema);
$this->storedProcedureCode->append($routine->getCode(), false);
break;
case 'SELECT':
$routine = new SelectRoutine($this->input, $this->output, $this->helper, $spType, $spName, $tableName, $this->dataSchema);
$this->storedProcedureCode->append($routine->getCode(), false);
break;
case 'INSERT':
$routine = new InsertRoutine($this->input, $this->output, $this->helper, $spType, $spName, $tableName, $this->dataSchema);
$this->storedProcedureCode->append($routine->getCode(), false);
break;
}
return $this->storedProcedureCode->getCode();
}
/**
* Create temp table for getting column type information for audit columns.
*
* @param string $schemaName The name of the table schema.
* @param string $tableName The table name.
* @param array[] $auditColumns Audit columns from config file.
*/
public static function createTemporaryTable($schemaName, $tableName, $auditColumns)
{
$sql = new MySqlCompoundSyntaxCodeStore();
$sql->append(sprintf('create table `%s`.`%s` (', $schemaName, $tableName));
foreach ($auditColumns as $column) {
$sql->append(sprintf('%s %s', $column['column_name'], $column['column_type']));
if (end($auditColumns) !== $column) {
$sql->appendToLastLine(',');
}
}
$sql->append(')');
self::executeNone($sql->getCode());
}
