use of org.h2.value.ExtTypeInfoRow in project h2database by h2database.
the class Aggregate method optimize.
@Override
public Expression optimize(SessionLocal session) {
super.optimize(session);
if (args.length == 1) {
type = args[0].getType();
}
if (orderByList != null) {
int offset;
switch(aggregateType) {
case ARRAY_AGG:
case LISTAGG:
case JSON_ARRAYAGG:
offset = 1;
break;
default:
offset = 0;
}
for (Iterator<QueryOrderBy> i = orderByList.iterator(); i.hasNext(); ) {
QueryOrderBy o = i.next();
Expression e = o.expression.optimize(session);
if (offset != 0 && e.isConstant()) {
i.remove();
} else {
o.expression = e;
}
}
if (orderByList.isEmpty()) {
orderByList = null;
} else {
orderBySort = createOrder(session, orderByList, offset);
}
}
switch(aggregateType) {
case LISTAGG:
type = TypeInfo.TYPE_VARCHAR;
break;
case COUNT:
if (args[0].isConstant()) {
if (args[0].getValue(session) == ValueNull.INSTANCE) {
return ValueExpression.get(ValueBigint.get(0L));
}
if (!distinct) {
Aggregate aggregate = new Aggregate(AggregateType.COUNT_ALL, new Expression[0], select, false);
aggregate.setFilterCondition(filterCondition);
aggregate.setOverCondition(over);
return aggregate.optimize(session);
}
}
// $FALL-THROUGH$
case COUNT_ALL:
case REGR_COUNT:
type = TypeInfo.TYPE_BIGINT;
break;
case HISTOGRAM:
{
LinkedHashMap<String, TypeInfo> fields = new LinkedHashMap<>(4);
fields.put("VALUE", type);
fields.put("COUNT", TypeInfo.TYPE_BIGINT);
type = TypeInfo.getTypeInfo(Value.ARRAY, -1, 0, TypeInfo.getTypeInfo(Value.ROW, -1, -1, new ExtTypeInfoRow(fields)));
break;
}
case SUM:
if ((type = getSumType(type)) == null) {
throw DbException.get(ErrorCode.SUM_OR_AVG_ON_WRONG_DATATYPE_1, getTraceSQL());
}
break;
case AVG:
if ((type = getAvgType(type)) == null) {
throw DbException.get(ErrorCode.SUM_OR_AVG_ON_WRONG_DATATYPE_1, getTraceSQL());
}
break;
case MIN:
case MAX:
break;
case STDDEV_POP:
case STDDEV_SAMP:
case VAR_POP:
case VAR_SAMP:
case COVAR_POP:
case COVAR_SAMP:
case CORR:
case REGR_SLOPE:
case REGR_INTERCEPT:
case REGR_R2:
case REGR_SXX:
case REGR_SYY:
case REGR_SXY:
type = TypeInfo.TYPE_DOUBLE;
break;
case REGR_AVGX:
if ((type = getAvgType(args[1].getType())) == null) {
throw DbException.get(ErrorCode.SUM_OR_AVG_ON_WRONG_DATATYPE_1, getTraceSQL());
}
break;
case REGR_AVGY:
if ((type = getAvgType(args[0].getType())) == null) {
throw DbException.get(ErrorCode.SUM_OR_AVG_ON_WRONG_DATATYPE_1, getTraceSQL());
}
break;
case RANK:
case DENSE_RANK:
type = TypeInfo.TYPE_BIGINT;
break;
case PERCENT_RANK:
case CUME_DIST:
type = TypeInfo.TYPE_DOUBLE;
break;
case PERCENTILE_CONT:
type = orderByList.get(0).expression.getType();
// $FALL-THROUGH$
case MEDIAN:
switch(type.getValueType()) {
case Value.TINYINT:
case Value.SMALLINT:
case Value.INTEGER:
case Value.BIGINT:
case Value.NUMERIC:
case Value.REAL:
case Value.DOUBLE:
case Value.DECFLOAT:
type = TypeInfo.TYPE_NUMERIC_FLOATING_POINT;
break;
}
break;
case PERCENTILE_DISC:
case MODE:
type = orderByList.get(0).expression.getType();
break;
case EVERY:
case ANY:
type = TypeInfo.TYPE_BOOLEAN;
break;
case BIT_AND_AGG:
case BIT_OR_AGG:
case BIT_XOR_AGG:
case BIT_NAND_AGG:
case BIT_NOR_AGG:
case BIT_XNOR_AGG:
BitFunction.checkArgType(args[0]);
break;
case ARRAY_AGG:
type = TypeInfo.getTypeInfo(Value.ARRAY, -1, 0, args[0].getType());
break;
case ENVELOPE:
type = TypeInfo.TYPE_GEOMETRY;
break;
case JSON_OBJECTAGG:
case JSON_ARRAYAGG:
type = TypeInfo.TYPE_JSON;
break;
default:
throw DbException.getInternalError("type=" + aggregateType);
}
return this;
}
use of org.h2.value.ExtTypeInfoRow in project h2database by h2database.
the class ValueDataType method readValue.
/**
* Read a value.
*
* @param buff the source buffer
* @param columnType the data type of value, or {@code null}
* @return the value
*/
Value readValue(ByteBuffer buff, TypeInfo columnType) {
int type = buff.get() & 255;
switch(type) {
case NULL:
return ValueNull.INSTANCE;
case BOOLEAN_TRUE:
return ValueBoolean.TRUE;
case BOOLEAN_FALSE:
return ValueBoolean.FALSE;
case INT_NEG:
return ValueInteger.get(-readVarInt(buff));
case INTEGER:
return ValueInteger.get(readVarInt(buff));
case BIGINT_NEG:
return ValueBigint.get(-readVarLong(buff));
case BIGINT:
return ValueBigint.get(readVarLong(buff));
case TINYINT:
return ValueTinyint.get(buff.get());
case SMALLINT:
return ValueSmallint.get(buff.getShort());
case NUMERIC_0_1:
return ValueNumeric.ZERO;
case NUMERIC_0_1 + 1:
return ValueNumeric.ONE;
case NUMERIC_SMALL_0:
return ValueNumeric.get(BigDecimal.valueOf(readVarLong(buff)));
case NUMERIC_SMALL:
{
int scale = readVarInt(buff);
return ValueNumeric.get(BigDecimal.valueOf(readVarLong(buff), scale));
}
case NUMERIC:
{
int scale = readVarInt(buff);
return ValueNumeric.get(new BigDecimal(new BigInteger(readVarBytes(buff)), scale));
}
case DECFLOAT:
{
int scale = readVarInt(buff), len = readVarInt(buff);
switch(len) {
case -3:
return ValueDecfloat.NEGATIVE_INFINITY;
case -2:
return ValueDecfloat.POSITIVE_INFINITY;
case -1:
return ValueDecfloat.NAN;
default:
byte[] b = Utils.newBytes(len);
buff.get(b, 0, len);
return ValueDecfloat.get(new BigDecimal(new BigInteger(b), scale));
}
}
case DATE:
return ValueDate.fromDateValue(readVarLong(buff));
case TIME:
return ValueTime.fromNanos(readTimestampTime(buff));
case TIME_TZ:
return ValueTimeTimeZone.fromNanos(readVarInt(buff) * DateTimeUtils.NANOS_PER_SECOND + readVarInt(buff), readTimeZone(buff));
case TIMESTAMP:
return ValueTimestamp.fromDateValueAndNanos(readVarLong(buff), readTimestampTime(buff));
case TIMESTAMP_TZ_OLD:
return ValueTimestampTimeZone.fromDateValueAndNanos(readVarLong(buff), readTimestampTime(buff), readVarInt(buff) * 60);
case TIMESTAMP_TZ:
return ValueTimestampTimeZone.fromDateValueAndNanos(readVarLong(buff), readTimestampTime(buff), readTimeZone(buff));
case VARBINARY:
return ValueVarbinary.getNoCopy(readVarBytes(buff));
case BINARY:
return ValueBinary.getNoCopy(readVarBytes(buff));
case JAVA_OBJECT:
return ValueJavaObject.getNoCopy(readVarBytes(buff));
case UUID:
return ValueUuid.get(buff.getLong(), buff.getLong());
case VARCHAR:
return ValueVarchar.get(readString(buff));
case VARCHAR_IGNORECASE:
return ValueVarcharIgnoreCase.get(readString(buff));
case CHAR:
return ValueChar.get(readString(buff));
case ENUM:
{
int ordinal = readVarInt(buff);
if (columnType != null) {
return ((ExtTypeInfoEnum) columnType.getExtTypeInfo()).getValue(ordinal, provider);
}
return ValueInteger.get(ordinal);
}
case INTERVAL:
{
int ordinal = buff.get();
boolean negative = ordinal < 0;
if (negative) {
ordinal = ~ordinal;
}
return ValueInterval.from(IntervalQualifier.valueOf(ordinal), negative, readVarLong(buff), ordinal < 5 ? 0 : readVarLong(buff));
}
case REAL_0_1:
return ValueReal.ZERO;
case REAL_0_1 + 1:
return ValueReal.ONE;
case DOUBLE_0_1:
return ValueDouble.ZERO;
case DOUBLE_0_1 + 1:
return ValueDouble.ONE;
case DOUBLE:
return ValueDouble.get(Double.longBitsToDouble(Long.reverse(readVarLong(buff))));
case REAL:
return ValueReal.get(Float.intBitsToFloat(Integer.reverse(readVarInt(buff))));
case BLOB:
{
int smallLen = readVarInt(buff);
if (smallLen >= 0) {
byte[] small = Utils.newBytes(smallLen);
buff.get(small, 0, smallLen);
return ValueBlob.createSmall(small);
} else if (smallLen == -3) {
return new ValueBlob(readLobDataDatabase(buff), readVarLong(buff));
} else {
throw DbException.get(ErrorCode.FILE_CORRUPTED_1, "lob type: " + smallLen);
}
}
case CLOB:
{
int smallLen = readVarInt(buff);
if (smallLen >= 0) {
byte[] small = Utils.newBytes(smallLen);
buff.get(small, 0, smallLen);
return ValueClob.createSmall(small, readVarLong(buff));
} else if (smallLen == -3) {
return new ValueClob(readLobDataDatabase(buff), readVarLong(buff), readVarLong(buff));
} else {
throw DbException.get(ErrorCode.FILE_CORRUPTED_1, "lob type: " + smallLen);
}
}
case ARRAY:
{
if (columnType != null) {
TypeInfo elementType = (TypeInfo) columnType.getExtTypeInfo();
return ValueArray.get(elementType, readArrayElements(buff, elementType), provider);
}
return ValueArray.get(readArrayElements(buff, null), provider);
}
case ROW:
{
int len = readVarInt(buff);
Value[] list = new Value[len];
if (columnType != null) {
ExtTypeInfoRow extTypeInfoRow = (ExtTypeInfoRow) columnType.getExtTypeInfo();
Iterator<Entry<String, TypeInfo>> fields = extTypeInfoRow.getFields().iterator();
for (int i = 0; i < len; i++) {
list[i] = readValue(buff, fields.next().getValue());
}
return ValueRow.get(columnType, list);
}
TypeInfo[] columnTypes = rowFactory.getColumnTypes();
for (int i = 0; i < len; i++) {
list[i] = readValue(buff, columnTypes[i]);
}
return ValueRow.get(list);
}
case GEOMETRY:
return ValueGeometry.get(readVarBytes(buff));
case JSON:
return ValueJson.getInternal(readVarBytes(buff));
default:
if (type >= INT_0_15 && type < INT_0_15 + 16) {
int i = type - INT_0_15;
if (columnType != null && columnType.getValueType() == Value.ENUM) {
return ((ExtTypeInfoEnum) columnType.getExtTypeInfo()).getValue(i, provider);
}
return ValueInteger.get(i);
} else if (type >= BIGINT_0_7 && type < BIGINT_0_7 + 8) {
return ValueBigint.get(type - BIGINT_0_7);
} else if (type >= VARBINARY_0_31 && type < VARBINARY_0_31 + 32) {
int len = type - VARBINARY_0_31;
byte[] b = Utils.newBytes(len);
buff.get(b, 0, len);
return ValueVarbinary.getNoCopy(b);
} else if (type >= VARCHAR_0_31 && type < VARCHAR_0_31 + 32) {
return ValueVarchar.get(readString(buff, type - VARCHAR_0_31));
}
throw DbException.get(ErrorCode.FILE_CORRUPTED_1, "type: " + type);
}
}
use of org.h2.value.ExtTypeInfoRow in project h2database by h2database.
the class Parser method parseRowType.
private TypeInfo parseRowType() {
read(OPEN_PAREN);
LinkedHashMap<String, TypeInfo> fields = new LinkedHashMap<>();
do {
String name = readIdentifier();
if (fields.putIfAbsent(name, parseDataType()) != null) {
throw DbException.get(ErrorCode.DUPLICATE_COLUMN_NAME_1, name);
}
} while (readIfMore());
return TypeInfo.getTypeInfo(Value.ROW, -1L, -1, new ExtTypeInfoRow(fields));
}
use of org.h2.value.ExtTypeInfoRow in project SpringStudy by myounghaklee.
the class Parser method parseRowType.
private TypeInfo parseRowType() {
read(OPEN_PAREN);
LinkedHashMap<String, TypeInfo> fields = new LinkedHashMap<>();
do {
String name = readIdentifier();
if (fields.putIfAbsent(name, parseDataType()) != null) {
throw DbException.get(ErrorCode.DUPLICATE_COLUMN_NAME_1, name);
}
} while (readIfMore());
return TypeInfo.getTypeInfo(Value.ROW, -1L, -1, new ExtTypeInfoRow(fields));
}
use of org.h2.value.ExtTypeInfoRow in project 468H2Project by lukeunderwood42.
the class FieldReference method optimize.
@Override
public Expression optimize(SessionLocal session) {
arg = arg.optimize(session);
TypeInfo type = arg.getType();
if (type.getValueType() != Value.ROW) {
throw DbException.getInvalidExpressionTypeException("ROW", arg);
}
int ordinal = 0;
for (Entry<String, TypeInfo> entry : ((ExtTypeInfoRow) type.getExtTypeInfo()).getFields()) {
if (fieldName.equals(entry.getKey())) {
type = entry.getValue();
this.type = type;
this.ordinal = ordinal;
if (arg.isConstant()) {
return TypedValueExpression.get(getValue(session), type);
}
return this;
}
ordinal++;
}
throw DbException.get(ErrorCode.COLUMN_NOT_FOUND_1, fieldName);
}
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