use of org.h2.engine.Role in project h2database by h2database.
the class CreateRole method update.
@Override
public int update() {
session.getUser().checkAdmin();
session.commit(true);
Database db = session.getDatabase();
if (db.findUser(roleName) != null) {
throw DbException.get(ErrorCode.USER_ALREADY_EXISTS_1, roleName);
}
if (db.findRole(roleName) != null) {
if (ifNotExists) {
return 0;
}
throw DbException.get(ErrorCode.ROLE_ALREADY_EXISTS_1, roleName);
}
int id = getObjectId();
Role role = new Role(db, id, roleName, false);
db.addDatabaseObject(session, role);
return 0;
}
use of org.h2.engine.Role in project h2database by h2database.
the class DropDatabase method dropAllObjects.
private void dropAllObjects() {
session.getUser().checkAdmin();
session.commit(true);
Database db = session.getDatabase();
db.lockMeta(session);
// There can be dependencies between tables e.g. using computed columns,
// so we might need to loop over them multiple times.
boolean runLoopAgain;
do {
ArrayList<Table> tables = db.getAllTablesAndViews(false);
ArrayList<Table> toRemove = New.arrayList();
for (Table t : tables) {
if (t.getName() != null && TableType.VIEW == t.getTableType()) {
toRemove.add(t);
}
}
for (Table t : tables) {
if (t.getName() != null && TableType.TABLE_LINK == t.getTableType()) {
toRemove.add(t);
}
}
for (Table t : tables) {
if (t.getName() != null && TableType.TABLE == t.getTableType() && !t.isHidden()) {
toRemove.add(t);
}
}
for (Table t : tables) {
if (t.getName() != null && TableType.EXTERNAL_TABLE_ENGINE == t.getTableType() && !t.isHidden()) {
toRemove.add(t);
}
}
runLoopAgain = false;
for (Table t : toRemove) {
if (t.getName() == null) {
// ignore, already dead
} else if (db.getDependentTable(t, t) == null) {
db.removeSchemaObject(session, t);
} else {
runLoopAgain = true;
}
}
} while (runLoopAgain);
// TODO session-local temp tables are not removed
for (Schema schema : db.getAllSchemas()) {
if (schema.canDrop()) {
db.removeDatabaseObject(session, schema);
}
}
ArrayList<SchemaObject> list = New.arrayList();
for (SchemaObject obj : db.getAllSchemaObjects(DbObject.SEQUENCE)) {
// ones that belong to session-local temp tables.
if (!((Sequence) obj).getBelongsToTable()) {
list.add(obj);
}
}
// maybe constraints and triggers on system tables will be allowed in
// the future
list.addAll(db.getAllSchemaObjects(DbObject.CONSTRAINT));
list.addAll(db.getAllSchemaObjects(DbObject.TRIGGER));
list.addAll(db.getAllSchemaObjects(DbObject.CONSTANT));
list.addAll(db.getAllSchemaObjects(DbObject.FUNCTION_ALIAS));
for (SchemaObject obj : list) {
if (obj.isHidden()) {
continue;
}
db.removeSchemaObject(session, obj);
}
for (User user : db.getAllUsers()) {
if (user != session.getUser()) {
db.removeDatabaseObject(session, user);
}
}
for (Role role : db.getAllRoles()) {
String sql = role.getCreateSQL();
// the role PUBLIC must not be dropped
if (sql != null) {
db.removeDatabaseObject(session, role);
}
}
ArrayList<DbObject> dbObjects = New.arrayList();
dbObjects.addAll(db.getAllRights());
dbObjects.addAll(db.getAllAggregates());
dbObjects.addAll(db.getAllUserDataTypes());
for (DbObject obj : dbObjects) {
String sql = obj.getCreateSQL();
// the role PUBLIC must not be dropped
if (sql != null) {
db.removeDatabaseObject(session, obj);
}
}
}
use of org.h2.engine.Role in project h2database by h2database.
the class CreateSchema method update.
@Override
public int update() {
session.getUser().checkSchemaAdmin();
session.commit(true);
Database db = session.getDatabase();
User user = db.getUser(authorization);
// during DB startup, the Right/Role records have not yet been loaded
if (!db.isStarting()) {
user.checkSchemaAdmin();
}
if (db.findSchema(schemaName) != null) {
if (ifNotExists) {
return 0;
}
throw DbException.get(ErrorCode.SCHEMA_ALREADY_EXISTS_1, schemaName);
}
int id = getObjectId();
Schema schema = new Schema(db, id, schemaName, user, false);
schema.setTableEngineParams(tableEngineParams);
db.addDatabaseObject(session, schema);
return 0;
}
use of org.h2.engine.Role in project h2database by h2database.
the class Value method convertTo.
/**
* Compare a value to the specified type.
*
* @param targetType the type of the returned value
* @param precision the precision of the column to convert this value to.
* The special constant <code>-1</code> is used to indicate that
* the precision plays no role when converting the value
* @param mode the conversion mode
* @param column the column (if any), used for to improve the error message if conversion fails
* @param enumerators the ENUM datatype enumerators (if any),
* for dealing with ENUM conversions
* @return the converted value
*/
public Value convertTo(int targetType, int precision, Mode mode, Object column, String[] enumerators) {
// converting BLOB to CLOB and vice versa is done in ValueLob
if (getType() == targetType) {
return this;
}
try {
// decimal conversion
switch(targetType) {
case BOOLEAN:
{
switch(getType()) {
case BYTE:
case SHORT:
case INT:
case LONG:
case DECIMAL:
case DOUBLE:
case FLOAT:
return ValueBoolean.get(getSignum() != 0);
case TIME:
case DATE:
case TIMESTAMP:
case TIMESTAMP_TZ:
case BYTES:
case JAVA_OBJECT:
case UUID:
case ENUM:
throw DbException.get(ErrorCode.DATA_CONVERSION_ERROR_1, getString());
}
break;
}
case BYTE:
{
switch(getType()) {
case BOOLEAN:
return ValueByte.get(getBoolean() ? (byte) 1 : (byte) 0);
case SHORT:
case ENUM:
case INT:
return ValueByte.get(convertToByte(getInt(), column));
case LONG:
return ValueByte.get(convertToByte(getLong(), column));
case DECIMAL:
return ValueByte.get(convertToByte(convertToLong(getBigDecimal(), column), column));
case DOUBLE:
return ValueByte.get(convertToByte(convertToLong(getDouble(), column), column));
case FLOAT:
return ValueByte.get(convertToByte(convertToLong(getFloat(), column), column));
case BYTES:
return ValueByte.get((byte) Integer.parseInt(getString(), 16));
case TIMESTAMP_TZ:
throw DbException.get(ErrorCode.DATA_CONVERSION_ERROR_1, getString());
}
break;
}
case SHORT:
{
switch(getType()) {
case BOOLEAN:
return ValueShort.get(getBoolean() ? (short) 1 : (short) 0);
case BYTE:
return ValueShort.get(getByte());
case ENUM:
case INT:
return ValueShort.get(convertToShort(getInt(), column));
case LONG:
return ValueShort.get(convertToShort(getLong(), column));
case DECIMAL:
return ValueShort.get(convertToShort(convertToLong(getBigDecimal(), column), column));
case DOUBLE:
return ValueShort.get(convertToShort(convertToLong(getDouble(), column), column));
case FLOAT:
return ValueShort.get(convertToShort(convertToLong(getFloat(), column), column));
case BYTES:
return ValueShort.get((short) Integer.parseInt(getString(), 16));
case TIMESTAMP_TZ:
throw DbException.get(ErrorCode.DATA_CONVERSION_ERROR_1, getString());
}
break;
}
case INT:
{
switch(getType()) {
case BOOLEAN:
return ValueInt.get(getBoolean() ? 1 : 0);
case BYTE:
case ENUM:
case SHORT:
return ValueInt.get(getInt());
case LONG:
return ValueInt.get(convertToInt(getLong(), column));
case DECIMAL:
return ValueInt.get(convertToInt(convertToLong(getBigDecimal(), column), column));
case DOUBLE:
return ValueInt.get(convertToInt(convertToLong(getDouble(), column), column));
case FLOAT:
return ValueInt.get(convertToInt(convertToLong(getFloat(), column), column));
case BYTES:
return ValueInt.get((int) Long.parseLong(getString(), 16));
case TIMESTAMP_TZ:
throw DbException.get(ErrorCode.DATA_CONVERSION_ERROR_1, getString());
}
break;
}
case LONG:
{
switch(getType()) {
case BOOLEAN:
return ValueLong.get(getBoolean() ? 1 : 0);
case BYTE:
case SHORT:
case ENUM:
case INT:
return ValueLong.get(getInt());
case DECIMAL:
return ValueLong.get(convertToLong(getBigDecimal(), column));
case DOUBLE:
return ValueLong.get(convertToLong(getDouble(), column));
case FLOAT:
return ValueLong.get(convertToLong(getFloat(), column));
case BYTES:
{
// parseLong doesn't work for ffffffffffffffff
byte[] d = getBytes();
if (d.length == 8) {
return ValueLong.get(Bits.readLong(d, 0));
}
return ValueLong.get(Long.parseLong(getString(), 16));
}
case TIMESTAMP_TZ:
throw DbException.get(ErrorCode.DATA_CONVERSION_ERROR_1, getString());
}
break;
}
case DECIMAL:
{
switch(getType()) {
case BOOLEAN:
return ValueDecimal.get(BigDecimal.valueOf(getBoolean() ? 1 : 0));
case BYTE:
case SHORT:
case ENUM:
case INT:
return ValueDecimal.get(BigDecimal.valueOf(getInt()));
case LONG:
return ValueDecimal.get(BigDecimal.valueOf(getLong()));
case DOUBLE:
{
double d = getDouble();
if (Double.isInfinite(d) || Double.isNaN(d)) {
throw DbException.get(ErrorCode.DATA_CONVERSION_ERROR_1, "" + d);
}
return ValueDecimal.get(BigDecimal.valueOf(d));
}
case FLOAT:
{
float f = getFloat();
if (Float.isInfinite(f) || Float.isNaN(f)) {
throw DbException.get(ErrorCode.DATA_CONVERSION_ERROR_1, "" + f);
}
// better rounding behavior than BigDecimal.valueOf(f)
return ValueDecimal.get(new BigDecimal(Float.toString(f)));
}
case TIMESTAMP_TZ:
throw DbException.get(ErrorCode.DATA_CONVERSION_ERROR_1, getString());
}
break;
}
case DOUBLE:
{
switch(getType()) {
case BOOLEAN:
return ValueDouble.get(getBoolean() ? 1 : 0);
case BYTE:
case SHORT:
case INT:
return ValueDouble.get(getInt());
case LONG:
return ValueDouble.get(getLong());
case DECIMAL:
return ValueDouble.get(getBigDecimal().doubleValue());
case FLOAT:
return ValueDouble.get(getFloat());
case ENUM:
case TIMESTAMP_TZ:
throw DbException.get(ErrorCode.DATA_CONVERSION_ERROR_1, getString());
}
break;
}
case FLOAT:
{
switch(getType()) {
case BOOLEAN:
return ValueFloat.get(getBoolean() ? 1 : 0);
case BYTE:
case SHORT:
case INT:
return ValueFloat.get(getInt());
case LONG:
return ValueFloat.get(getLong());
case DECIMAL:
return ValueFloat.get(getBigDecimal().floatValue());
case DOUBLE:
return ValueFloat.get((float) getDouble());
case ENUM:
case TIMESTAMP_TZ:
throw DbException.get(ErrorCode.DATA_CONVERSION_ERROR_1, getString());
}
break;
}
case DATE:
{
switch(getType()) {
case TIME:
// this will be the result
return ValueDate.fromDateValue(DateTimeUtils.EPOCH_DATE_VALUE);
case TIMESTAMP:
return ValueDate.fromDateValue(((ValueTimestamp) this).getDateValue());
case TIMESTAMP_TZ:
{
ValueTimestampTimeZone ts = (ValueTimestampTimeZone) this;
long dateValue = ts.getDateValue(), timeNanos = ts.getTimeNanos();
long millis = DateTimeUtils.getMillis(dateValue, timeNanos, ts.getTimeZoneOffsetMins());
return ValueDate.fromMillis(millis);
}
case ENUM:
throw DbException.get(ErrorCode.DATA_CONVERSION_ERROR_1, getString());
}
break;
}
case TIME:
{
switch(getType()) {
case DATE:
// has the time set to 0, the result will be 0
return ValueTime.fromNanos(0);
case TIMESTAMP:
return ValueTime.fromNanos(((ValueTimestamp) this).getTimeNanos());
case TIMESTAMP_TZ:
{
ValueTimestampTimeZone ts = (ValueTimestampTimeZone) this;
long dateValue = ts.getDateValue(), timeNanos = ts.getTimeNanos();
long millis = DateTimeUtils.getMillis(dateValue, timeNanos, ts.getTimeZoneOffsetMins());
return ValueTime.fromNanos(DateTimeUtils.nanosFromDate(millis) + timeNanos % 1_000_000);
}
case ENUM:
throw DbException.get(ErrorCode.DATA_CONVERSION_ERROR_1, getString());
}
break;
}
case TIMESTAMP:
{
switch(getType()) {
case TIME:
return DateTimeUtils.normalizeTimestamp(0, ((ValueTime) this).getNanos());
case DATE:
return ValueTimestamp.fromDateValueAndNanos(((ValueDate) this).getDateValue(), 0);
case TIMESTAMP_TZ:
{
ValueTimestampTimeZone ts = (ValueTimestampTimeZone) this;
long dateValue = ts.getDateValue(), timeNanos = ts.getTimeNanos();
long millis = DateTimeUtils.getMillis(dateValue, timeNanos, ts.getTimeZoneOffsetMins());
return ValueTimestamp.fromMillisNanos(millis, (int) (timeNanos % 1_000_000));
}
case ENUM:
throw DbException.get(ErrorCode.DATA_CONVERSION_ERROR_1, getString());
}
break;
}
case TIMESTAMP_TZ:
{
switch(getType()) {
case TIME:
{
ValueTimestamp ts = DateTimeUtils.normalizeTimestamp(0, ((ValueTime) this).getNanos());
return DateTimeUtils.timestampTimeZoneFromLocalDateValueAndNanos(ts.getDateValue(), ts.getTimeNanos());
}
case DATE:
return DateTimeUtils.timestampTimeZoneFromLocalDateValueAndNanos(((ValueDate) this).getDateValue(), 0);
case TIMESTAMP:
{
ValueTimestamp ts = (ValueTimestamp) this;
return DateTimeUtils.timestampTimeZoneFromLocalDateValueAndNanos(ts.getDateValue(), ts.getTimeNanos());
}
case ENUM:
throw DbException.get(ErrorCode.DATA_CONVERSION_ERROR_1, getString());
}
break;
}
case BYTES:
{
switch(getType()) {
case JAVA_OBJECT:
case BLOB:
return ValueBytes.getNoCopy(getBytesNoCopy());
case UUID:
case GEOMETRY:
return ValueBytes.getNoCopy(getBytes());
case BYTE:
return ValueBytes.getNoCopy(new byte[] { getByte() });
case SHORT:
{
int x = getShort();
return ValueBytes.getNoCopy(new byte[] { (byte) (x >> 8), (byte) x });
}
case INT:
{
byte[] b = new byte[4];
Bits.writeInt(b, 0, getInt());
return ValueBytes.getNoCopy(b);
}
case LONG:
{
byte[] b = new byte[8];
Bits.writeLong(b, 0, getLong());
return ValueBytes.getNoCopy(b);
}
case ENUM:
case TIMESTAMP_TZ:
throw DbException.get(ErrorCode.DATA_CONVERSION_ERROR_1, getString());
}
break;
}
case JAVA_OBJECT:
{
switch(getType()) {
case BYTES:
case BLOB:
return ValueJavaObject.getNoCopy(null, getBytesNoCopy(), getDataHandler());
case ENUM:
case TIMESTAMP_TZ:
throw DbException.get(ErrorCode.DATA_CONVERSION_ERROR_1, getString());
}
break;
}
case ENUM:
{
switch(getType()) {
case BYTE:
case SHORT:
case INT:
case LONG:
case DECIMAL:
return ValueEnum.get(enumerators, getInt());
case STRING:
case STRING_IGNORECASE:
case STRING_FIXED:
return ValueEnum.get(enumerators, getString());
case JAVA_OBJECT:
Object object = JdbcUtils.deserialize(getBytesNoCopy(), getDataHandler());
if (object instanceof String) {
return ValueEnum.get(enumerators, (String) object);
} else if (object instanceof Integer) {
return ValueEnum.get(enumerators, (int) object);
}
// $FALL-THROUGH$
default:
throw DbException.get(ErrorCode.DATA_CONVERSION_ERROR_1, getString());
}
}
case BLOB:
{
switch(getType()) {
case BYTES:
return ValueLobDb.createSmallLob(Value.BLOB, getBytesNoCopy());
case TIMESTAMP_TZ:
throw DbException.get(ErrorCode.DATA_CONVERSION_ERROR_1, getString());
}
break;
}
case UUID:
{
switch(getType()) {
case BYTES:
return ValueUuid.get(getBytesNoCopy());
case JAVA_OBJECT:
Object object = JdbcUtils.deserialize(getBytesNoCopy(), getDataHandler());
if (object instanceof java.util.UUID) {
return ValueUuid.get((java.util.UUID) object);
}
throw DbException.get(ErrorCode.DATA_CONVERSION_ERROR_1, getString());
case TIMESTAMP_TZ:
throw DbException.get(ErrorCode.DATA_CONVERSION_ERROR_1, getString());
}
break;
}
case GEOMETRY:
{
switch(getType()) {
case BYTES:
return ValueGeometry.get(getBytesNoCopy());
case JAVA_OBJECT:
Object object = JdbcUtils.deserialize(getBytesNoCopy(), getDataHandler());
if (DataType.isGeometry(object)) {
return ValueGeometry.getFromGeometry(object);
}
// $FALL-THROUGH$
case TIMESTAMP_TZ:
throw DbException.get(ErrorCode.DATA_CONVERSION_ERROR_1, getString());
}
break;
}
}
// conversion by parsing the string value
String s = getString();
switch(targetType) {
case NULL:
return ValueNull.INSTANCE;
case BOOLEAN:
{
if (s.equalsIgnoreCase("true") || s.equalsIgnoreCase("t") || s.equalsIgnoreCase("yes") || s.equalsIgnoreCase("y")) {
return ValueBoolean.TRUE;
} else if (s.equalsIgnoreCase("false") || s.equalsIgnoreCase("f") || s.equalsIgnoreCase("no") || s.equalsIgnoreCase("n")) {
return ValueBoolean.FALSE;
} else {
// convert to a number, and if it is not 0 then it is true
return ValueBoolean.get(new BigDecimal(s).signum() != 0);
}
}
case BYTE:
return ValueByte.get(Byte.parseByte(s.trim()));
case SHORT:
return ValueShort.get(Short.parseShort(s.trim()));
case INT:
return ValueInt.get(Integer.parseInt(s.trim()));
case LONG:
return ValueLong.get(Long.parseLong(s.trim()));
case DECIMAL:
return ValueDecimal.get(new BigDecimal(s.trim()));
case TIME:
return ValueTime.parse(s.trim());
case DATE:
return ValueDate.parse(s.trim());
case TIMESTAMP:
return ValueTimestamp.parse(s.trim(), mode);
case TIMESTAMP_TZ:
return ValueTimestampTimeZone.parse(s.trim());
case BYTES:
return ValueBytes.getNoCopy(StringUtils.convertHexToBytes(s.trim()));
case JAVA_OBJECT:
return ValueJavaObject.getNoCopy(null, StringUtils.convertHexToBytes(s.trim()), getDataHandler());
case STRING:
return ValueString.get(s);
case STRING_IGNORECASE:
return ValueStringIgnoreCase.get(s);
case STRING_FIXED:
return ValueStringFixed.get(s, precision, mode);
case DOUBLE:
return ValueDouble.get(Double.parseDouble(s.trim()));
case FLOAT:
return ValueFloat.get(Float.parseFloat(s.trim()));
case CLOB:
return ValueLobDb.createSmallLob(CLOB, s.getBytes(StandardCharsets.UTF_8));
case BLOB:
return ValueLobDb.createSmallLob(BLOB, StringUtils.convertHexToBytes(s.trim()));
case ARRAY:
return ValueArray.get(new Value[] { ValueString.get(s) });
case RESULT_SET:
{
SimpleResultSet rs = new SimpleResultSet();
rs.setAutoClose(false);
rs.addColumn("X", Types.VARCHAR, s.length(), 0);
rs.addRow(s);
return ValueResultSet.get(rs);
}
case UUID:
return ValueUuid.get(s);
case GEOMETRY:
return ValueGeometry.get(s);
default:
if (JdbcUtils.customDataTypesHandler != null) {
return JdbcUtils.customDataTypesHandler.convert(this, targetType);
}
throw DbException.throwInternalError("type=" + targetType);
}
} catch (NumberFormatException e) {
throw DbException.get(ErrorCode.DATA_CONVERSION_ERROR_1, e, getString());
}
}
Aggregations