Actualización

app/Migrations/Schema/V111/Version20160715122300.php

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+<?php
+/* For licensing terms, see /license.txt */
+
+namespace Application\Migrations\Schema\V111;
+
+use Application\Migrations\AbstractMigrationChamilo;
+use Doctrine\DBAL\Schema\Schema;
+
+/**
+ * Class Version20160715122300
+ * Add association mapping between Session and CStudentPublication
+ * @package Application\Migrations\Schema\V111
+ */
+class Version20160715122300 extends AbstractMigrationChamilo
+{
+    /**
+     * @param Schema $schema
+     * @throws \Doctrine\DBAL\DBALException
+     * @throws \Doctrine\DBAL\Schema\SchemaException
+     */
+    public function up(Schema $schema)
+    {
+        $this->addSql('ALTER TABLE c_student_publication CHANGE session_id session_id INT DEFAULT NULL');
+        $this->addSql('UPDATE c_student_publication SET session_id = NULL WHERE session_id = 0');
+        // Fix not existing session id
+        $this->addSql('DELETE FROM c_student_publication WHERE session_id <> NULL AND session_id not in (SELECT id FROM session)');
+        $this->addSql('ALTER TABLE c_student_publication ADD CONSTRAINT fk_session FOREIGN KEY (session_id) REFERENCES session (id)');
+    }
+
+    /**
+     * @param Schema $schema
+     * @throws \Doctrine\DBAL\DBALException
+     * @throws \Doctrine\DBAL\Schema\SchemaException
+     */
+    public function down(Schema $schema)
+    {
+        $studentPublication = $schema->getTable('c_student_publication');
+        $studentPublication->removeForeignKey('fk_session');
+        $studentPublication->getColumn('session_id')->setNotnull(true);
+    }
+}