/** Execute the DROP CLASS. */
public Object execute(final Map<Object, Object> iArgs) {
if (className == null) {
throw new OCommandExecutionException(
"Cannot execute the command because it has not been parsed yet");
}
final ODatabaseDocument database = getDatabase();
if (ifExists && !database.getMetadata().getSchema().existsClass(className)) {
return true;
}
final OClass cls = database.getMetadata().getSchema().getClass(className);
if (cls == null) {
return null;
}
final long records = cls.count(true);
if (records > 0 && !unsafe) {
// NOT EMPTY, CHECK IF CLASS IS OF VERTEX OR EDGES
if (cls.isSubClassOf("V")) {
// FOUND VERTEX CLASS
throw new OCommandExecutionException(
"'DROP CLASS' command cannot drop class '"
+ className
+ "' because it contains Vertices. Use 'DELETE VERTEX' command first to avoid broken edges in a database, or apply the 'UNSAFE' keyword to force it");
} else if (cls.isSubClassOf("E")) {
// FOUND EDGE CLASS
throw new OCommandExecutionException(
"'DROP CLASS' command cannot drop class '"
+ className
+ "' because it contains Edges. Use 'DELETE EDGE' command first to avoid broken vertices in a database, or apply the 'UNSAFE' keyword to force it");
}
}
database.getMetadata().getSchema().dropClass(className);
if (records > 0 && unsafe) {
// NOT EMPTY, CHECK IF CLASS IS OF VERTEX OR EDGES
if (cls.isSubClassOf("V")) {
// FOUND VERTICES
if (unsafe)
OLogManager.instance()
.warn(
this,
"Dropped class '%s' containing %d vertices using UNSAFE mode. Database could contain broken edges",
className,
records);
} else if (cls.isSubClassOf("E")) {
// FOUND EDGES
OLogManager.instance()
.warn(
this,
"Dropped class '%s' containing %d edges using UNSAFE mode. Database could contain broken vertices",
className,
records);
}
}
return true;
}
@Test(dependsOnMethods = "createLinkedTypeProperty")
public void removeProperty() {
database.open("admin", "admin");
database.command(new OCommandSQL("drop property account.timesheet")).execute();
database.command(new OCommandSQL("drop property account.tags")).execute();
Assert.assertFalse(
database.getMetadata().getSchema().getClass("account").existsProperty("timesheet"));
Assert.assertFalse(
database.getMetadata().getSchema().getClass("account").existsProperty("tags"));
database.close();
}
@Test(dependsOnMethods = "createLinkedClassProperty")
public void createLinkedTypeProperty() {
database.open("admin", "admin");
database.command(new OCommandSQL("create property account.tags embeddedlist string")).execute();
Assert.assertEquals(
database.getMetadata().getSchema().getClass("account").getProperty("tags").getType(),
OType.EMBEDDEDLIST);
Assert.assertEquals(
database.getMetadata().getSchema().getClass("account").getProperty("tags").getLinkedType(),
OType.STRING);
database.close();
}
private void dropClassIndexes(final OClass cls) {
final ODatabaseDocument database = getDatabase();
final OIndexManager indexManager = database.getMetadata().getIndexManager();
for (final OIndex<?> index : indexManager.getClassIndexes(cls.getName()))
indexManager.dropIndex(index.getName());
}
@Test
public void createProperty() {
database.open("admin", "admin");
database.command(new OCommandSQL("create property account.timesheet string")).execute();
Assert.assertEquals(
database.getMetadata().getSchema().getClass("account").getProperty("timesheet").getType(),
OType.STRING);
database.close();
}
@Test
public void insertOperator() {
database.open("admin", "admin");
int addressId = database.getMetadata().getSchema().getClass("Address").getDefaultClusterId();
List<OClusterPosition> positions = getValidPositions(addressId);
ODocument doc =
(ODocument)
database
.command(
new OCommandSQL(
"insert into Profile (name, surname, salary, location, dummy) values ('Luca','Smith', 109.9, #"
+ addressId
+ ":"
+ positions.get(3)
+ ", 'hooray')"))
.execute();
Assert.assertTrue(doc != null);
Assert.assertEquals(doc.field("name"), "Luca");
Assert.assertEquals(doc.field("surname"), "Smith");
Assert.assertEquals(((Number) doc.field("salary")).floatValue(), 109.9f);
Assert.assertEquals(
doc.field("location", OType.LINK), new ORecordId(addressId, positions.get(3)));
Assert.assertEquals(doc.field("dummy"), "hooray");
doc =
(ODocument)
database
.command(
new OCommandSQL(
"insert into Profile SET name = 'Luca', surname = 'Smith', salary = 109.9, location = #"
+ addressId
+ ":"
+ positions.get(3)
+ ", dummy = 'hooray'"))
.execute();
database.delete(doc);
Assert.assertTrue(doc != null);
Assert.assertEquals(doc.field("name"), "Luca");
Assert.assertEquals(doc.field("surname"), "Smith");
Assert.assertEquals(((Number) doc.field("salary")).floatValue(), 109.9f);
Assert.assertEquals(
doc.field("location", OType.LINK), new ORecordId(addressId, positions.get(3)));
Assert.assertEquals(doc.field("dummy"), "hooray");
database.close();
}
@Override
public void create() {
final ODatabaseDocument db = ODatabaseRecordThreadLocal.INSTANCE.get();
if (db.getMetadata().getSchema().existsClass(OScheduledEvent.CLASS_NAME)) return;
final OClass f = db.getMetadata().getSchema().createClass(OScheduledEvent.CLASS_NAME);
f.createProperty(OScheduledEvent.PROP_NAME, OType.STRING, (OType) null, true)
.setMandatory(true)
.setNotNull(true);
f.createProperty(OScheduledEvent.PROP_RULE, OType.STRING, (OType) null, true)
.setMandatory(true)
.setNotNull(true);
f.createProperty(OScheduledEvent.PROP_ARGUMENTS, OType.EMBEDDEDMAP, (OType) null, true);
f.createProperty(OScheduledEvent.PROP_STATUS, OType.STRING, (OType) null, true);
f.createProperty(
OScheduledEvent.PROP_FUNC,
OType.LINK,
db.getMetadata().getSchema().getClass(OFunction.CLASS_NAME),
true)
.setMandatory(true)
.setNotNull(true);
f.createProperty(OScheduledEvent.PROP_STARTTIME, OType.DATETIME, (OType) null, true);
}
@Override
public void load() {
final ODatabaseDocument db = ODatabaseRecordThreadLocal.INSTANCE.get();
if (db.getMetadata().getSchema().existsClass(OScheduledEvent.CLASS_NAME)) {
final Iterable<ODocument> result = db.browseClass(OScheduledEvent.CLASS_NAME);
for (ODocument d : result) {
final OScheduledEvent event = new OScheduledEvent(d);
if (events.putIfAbsent(event.getName(), event) == null) this.scheduleEvent(event);
}
}
}
@Test(dependsOnMethods = "createProperty")
public void createLinkedClassProperty() {
database.open("admin", "admin");
database
.command(new OCommandSQL("create property account.knows embeddedmap account"))
.execute();
Assert.assertEquals(
database.getMetadata().getSchema().getClass("account").getProperty("knows").getType(),
OType.EMBEDDEDMAP);
Assert.assertEquals(
database
.getMetadata()
.getSchema()
.getClass("account")
.getProperty("knows")
.getLinkedClass(),
database.getMetadata().getSchema().getClass("account"));
database.close();
}
@Test
public void insertWithWildcards() {
database.open("admin", "admin");
int addressId = database.getMetadata().getSchema().getClass("Address").getDefaultClusterId();
List<OClusterPosition> positions = getValidPositions(addressId);
ODocument doc =
(ODocument)
database
.command(
new OCommandSQL(
"insert into Profile (name, surname, salary, location, dummy) values (?,?,?,?,?)"))
.execute(
"Marc", "Smith", 120.0, new ORecordId(addressId, positions.get(3)), "hooray");
Assert.assertTrue(doc != null);
Assert.assertEquals(doc.field("name"), "Marc");
Assert.assertEquals(doc.field("surname"), "Smith");
Assert.assertEquals(((Number) doc.field("salary")).floatValue(), 120.0f);
Assert.assertEquals(
doc.field("location", OType.LINK), new ORecordId(addressId, positions.get(3)));
Assert.assertEquals(doc.field("dummy"), "hooray");
database.delete(doc);
doc =
(ODocument)
database
.command(
new OCommandSQL(
"insert into Profile SET name = ?, surname = ?, salary = ?, location = ?, dummy = ?"))
.execute(
"Marc", "Smith", 120.0, new ORecordId(addressId, positions.get(3)), "hooray");
Assert.assertTrue(doc != null);
Assert.assertEquals(doc.field("name"), "Marc");
Assert.assertEquals(doc.field("surname"), "Smith");
Assert.assertEquals(((Number) doc.field("salary")).floatValue(), 120.0f);
Assert.assertEquals(
doc.field("location", OType.LINK), new ORecordId(addressId, positions.get(3)));
Assert.assertEquals(doc.field("dummy"), "hooray");
database.close();
}
@Test
public void insertAvoidingSubQuery() {
database.open("admin", "admin");
final OSchema schema = database.getMetadata().getSchema();
if (schema.getClass("test") == null) schema.createClass("test");
ODocument doc =
(ODocument)
database
.command(new OCommandSQL("INSERT INTO test(text) VALUES ('(Hello World)')"))
.execute();
Assert.assertTrue(doc != null);
Assert.assertEquals(doc.field("text"), "(Hello World)");
database.close();
}
@Test
public void insertSubQuery() {
database.open("admin", "admin");
final OSchema schema = database.getMetadata().getSchema();
if (schema.getClass("test") == null) schema.createClass("test");
ODocument doc =
(ODocument)
database
.command(new OCommandSQL("INSERT INTO test SET names = (select name from OUser)"))
.execute();
Assert.assertTrue(doc != null);
Assert.assertNotNull(doc.field("names"));
Assert.assertTrue(doc.field("names") instanceof Collection);
Assert.assertEquals(((Collection<?>) doc.field("names")).size(), 3);
database.close();
}
@Test
public void queryCountWithConditions() {
OClass indexed = database.getMetadata().getSchema().getOrCreateClass("Indexed");
indexed.createProperty("key", OType.STRING);
indexed.createIndex("keyed", OClass.INDEX_TYPE.NOTUNIQUE, "key");
database.<ODocument>newInstance("Indexed").field("key", "one").save();
database.<ODocument>newInstance("Indexed").field("key", "two").save();
List<ODocument> result =
database
.command(
new OSQLSynchQuery<ODocument>(
"select count(*) as total from Indexed where key > 'one'"))
.execute();
Assert.assertTrue(result.size() == 1);
for (ODocument d : result) {
Assert.assertNotNull(d.field("total"));
Assert.assertTrue(((Number) d.field("total")).longValue() > 0);
}
}
@SuppressWarnings("unchecked")
public OCommandExecutorSQLCreateEdge parse(final OCommandRequest iRequest) {
final OCommandRequestText textRequest = (OCommandRequestText) iRequest;
String queryText = textRequest.getText();
String originalQuery = queryText;
try {
// System.out.println("NEW PARSER FROM: " + queryText);
queryText = preParse(queryText, iRequest);
// System.out.println("NEW PARSER TO: " + queryText);
textRequest.setText(queryText);
final ODatabaseDocument database = getDatabase();
init((OCommandRequestText) iRequest);
parserRequiredKeyword("CREATE");
parserRequiredKeyword("EDGE");
String className = null;
String temp = parseOptionalWord(true);
while (temp != null) {
if (temp.equals("CLUSTER")) {
clusterName = parserRequiredWord(false);
} else if (temp.equals(KEYWORD_FROM)) {
from = parserRequiredWord(false, "Syntax error", " =><,\r\n");
} else if (temp.equals("TO")) {
to = parserRequiredWord(false, "Syntax error", " =><,\r\n");
} else if (temp.equals(KEYWORD_SET)) {
fields = new LinkedHashMap<String, Object>();
parseSetFields(clazz, fields);
} else if (temp.equals(KEYWORD_CONTENT)) {
parseContent();
} else if (temp.equals(KEYWORD_RETRY)) {
parseRetry();
} else if (className == null && temp.length() > 0) {
className = temp;
clazz =
((OMetadataInternal) database.getMetadata())
.getImmutableSchemaSnapshot()
.getClass(className);
}
temp = parseOptionalWord(true);
if (parserIsEnded()) break;
}
if (className == null) {
// ASSIGN DEFAULT CLASS
className = "E";
clazz =
((OMetadataInternal) database.getMetadata())
.getImmutableSchemaSnapshot()
.getClass(className);
}
// GET/CHECK CLASS NAME
if (clazz == null)
throw new OCommandSQLParsingException("Class '" + className + "' was not found");
} finally {
textRequest.setText(originalQuery);
}
return this;
}
