use of org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.util.TimestampString in project flink by apache.
the class ExpressionConverterTest method testTimestampLiteral.
@Test
public void testTimestampLiteral() {
RexNode rex = converter.visit(valueLiteral(LocalDateTime.parse("2012-12-12T12:12:12.12345"), DataTypes.TIMESTAMP(3).notNull()));
assertThat(((RexLiteral) rex).getValueAs(TimestampString.class), equalTo(new TimestampString("2012-12-12 12:12:12.123")));
assertThat(rex.getType().getSqlTypeName(), equalTo(SqlTypeName.TIMESTAMP));
assertThat(rex.getType().getPrecision(), equalTo(3));
}
use of org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.util.TimestampString in project flink by apache.
the class TimestampStringUtils method toLocalDateTime.
/**
* Convert a calcite's {@link TimestampString} to a {@link LocalDateTime}.
*/
public static LocalDateTime toLocalDateTime(TimestampString timestampString) {
final String v = timestampString.toString();
final int year = Integer.parseInt(v.substring(0, 4));
final int month = Integer.parseInt(v.substring(5, 7));
final int day = Integer.parseInt(v.substring(8, 10));
final int h = Integer.parseInt(v.substring(11, 13));
final int m = Integer.parseInt(v.substring(14, 16));
final int s = Integer.parseInt(v.substring(17, 19));
final int nano = getNanosInSecond(v);
return LocalDateTime.of(year, month, day, h, m, s, nano);
}
use of org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.util.TimestampString in project hive by apache.
the class RexNodeConverter method convert.
protected RexNode convert(ExprNodeConstantDesc literal) throws CalciteSemanticException {
final RelDataTypeFactory dtFactory = rexBuilder.getTypeFactory();
final PrimitiveTypeInfo hiveType = (PrimitiveTypeInfo) literal.getTypeInfo();
final RelDataType calciteDataType = TypeConverter.convert(hiveType, dtFactory);
PrimitiveCategory hiveTypeCategory = hiveType.getPrimitiveCategory();
ConstantObjectInspector coi = literal.getWritableObjectInspector();
Object value = ObjectInspectorUtils.copyToStandardJavaObject(coi.getWritableConstantValue(), coi);
RexNode calciteLiteral = null;
// If value is null, the type should also be VOID.
if (value == null) {
hiveTypeCategory = PrimitiveCategory.VOID;
}
// TODO: Verify if we need to use ConstantObjectInspector to unwrap data
switch(hiveTypeCategory) {
case BOOLEAN:
calciteLiteral = rexBuilder.makeLiteral(((Boolean) value).booleanValue());
break;
case BYTE:
calciteLiteral = rexBuilder.makeExactLiteral(new BigDecimal((Byte) value), calciteDataType);
break;
case SHORT:
calciteLiteral = rexBuilder.makeExactLiteral(new BigDecimal((Short) value), calciteDataType);
break;
case INT:
calciteLiteral = rexBuilder.makeExactLiteral(new BigDecimal((Integer) value));
break;
case LONG:
calciteLiteral = rexBuilder.makeBigintLiteral(new BigDecimal((Long) value));
break;
case DECIMAL:
if (value instanceof HiveDecimal) {
value = ((HiveDecimal) value).bigDecimalValue();
} else if (value instanceof Decimal128) {
value = ((Decimal128) value).toBigDecimal();
}
if (value == null) {
// literals.
throw new CalciteSemanticException("Expression " + literal.getExprString() + " is not a valid decimal", UnsupportedFeature.Invalid_decimal);
// TODO: return createNullLiteral(literal);
}
calciteLiteral = rexBuilder.makeExactLiteral((BigDecimal) value, calciteDataType);
break;
case FLOAT:
calciteLiteral = rexBuilder.makeApproxLiteral(new BigDecimal(Float.toString((Float) value)), calciteDataType);
break;
case DOUBLE:
// TODO: The best solution is to support NaN in expression reduction.
if (Double.isNaN((Double) value)) {
throw new CalciteSemanticException("NaN", UnsupportedFeature.Invalid_decimal);
}
calciteLiteral = rexBuilder.makeApproxLiteral(new BigDecimal(Double.toString((Double) value)), calciteDataType);
break;
case CHAR:
if (value instanceof HiveChar) {
value = ((HiveChar) value).getValue();
}
final int lengthChar = TypeInfoUtils.getCharacterLengthForType(hiveType);
RelDataType charType = rexBuilder.getTypeFactory().createTypeWithCharsetAndCollation(rexBuilder.getTypeFactory().createSqlType(SqlTypeName.CHAR, lengthChar), Charset.forName(ConversionUtil.NATIVE_UTF16_CHARSET_NAME), SqlCollation.IMPLICIT);
calciteLiteral = rexBuilder.makeLiteral(RexNodeExprFactory.makeHiveUnicodeString((String) value), charType, false);
break;
case VARCHAR:
if (value instanceof HiveVarchar) {
value = ((HiveVarchar) value).getValue();
}
final int lengthVarchar = TypeInfoUtils.getCharacterLengthForType(hiveType);
RelDataType varcharType = rexBuilder.getTypeFactory().createTypeWithCharsetAndCollation(rexBuilder.getTypeFactory().createSqlType(SqlTypeName.VARCHAR, lengthVarchar), Charset.forName(ConversionUtil.NATIVE_UTF16_CHARSET_NAME), SqlCollation.IMPLICIT);
calciteLiteral = rexBuilder.makeLiteral(RexNodeExprFactory.makeHiveUnicodeString((String) value), varcharType, true);
break;
case STRING:
RelDataType stringType = rexBuilder.getTypeFactory().createTypeWithCharsetAndCollation(rexBuilder.getTypeFactory().createSqlType(SqlTypeName.VARCHAR, Integer.MAX_VALUE), Charset.forName(ConversionUtil.NATIVE_UTF16_CHARSET_NAME), SqlCollation.IMPLICIT);
calciteLiteral = rexBuilder.makeLiteral(RexNodeExprFactory.makeHiveUnicodeString((String) value), stringType, true);
break;
case DATE:
final Date date = (Date) value;
calciteLiteral = rexBuilder.makeDateLiteral(DateString.fromDaysSinceEpoch(date.toEpochDay()));
break;
case TIMESTAMP:
final TimestampString tsString;
if (value instanceof Calendar) {
tsString = TimestampString.fromCalendarFields((Calendar) value);
} else {
final Timestamp ts = (Timestamp) value;
tsString = TimestampString.fromMillisSinceEpoch(ts.toEpochMilli()).withNanos(ts.getNanos());
}
// Must call makeLiteral, not makeTimestampLiteral
// to have the RexBuilder.roundTime logic kick in
calciteLiteral = rexBuilder.makeLiteral(tsString, rexBuilder.getTypeFactory().createSqlType(SqlTypeName.TIMESTAMP, rexBuilder.getTypeFactory().getTypeSystem().getDefaultPrecision(SqlTypeName.TIMESTAMP)), false);
break;
case TIMESTAMPLOCALTZ:
final TimestampString tsLocalTZString;
Instant i = ((TimestampTZ) value).getZonedDateTime().toInstant();
tsLocalTZString = TimestampString.fromMillisSinceEpoch(i.toEpochMilli()).withNanos(i.getNano());
calciteLiteral = rexBuilder.makeTimestampWithLocalTimeZoneLiteral(tsLocalTZString, rexBuilder.getTypeFactory().getTypeSystem().getDefaultPrecision(SqlTypeName.TIMESTAMP_WITH_LOCAL_TIME_ZONE));
break;
case INTERVAL_YEAR_MONTH:
// Calcite year-month literal value is months as BigDecimal
BigDecimal totalMonths = BigDecimal.valueOf(((HiveIntervalYearMonth) value).getTotalMonths());
calciteLiteral = rexBuilder.makeIntervalLiteral(totalMonths, new SqlIntervalQualifier(TimeUnit.YEAR, TimeUnit.MONTH, new SqlParserPos(1, 1)));
break;
case INTERVAL_DAY_TIME:
// Calcite day-time interval is millis value as BigDecimal
// Seconds converted to millis
BigDecimal secsValueBd = BigDecimal.valueOf(((HiveIntervalDayTime) value).getTotalSeconds() * 1000);
// Nanos converted to millis
BigDecimal nanosValueBd = BigDecimal.valueOf(((HiveIntervalDayTime) value).getNanos(), 6);
calciteLiteral = rexBuilder.makeIntervalLiteral(secsValueBd.add(nanosValueBd), new SqlIntervalQualifier(TimeUnit.MILLISECOND, null, new SqlParserPos(1, 1)));
break;
case VOID:
calciteLiteral = rexBuilder.makeLiteral(null, calciteDataType, true);
break;
case BINARY:
case UNKNOWN:
default:
throw new RuntimeException("Unsupported Literal");
}
return calciteLiteral;
}
use of org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.util.TimestampString in project hive by apache.
the class RexNodeExprFactory method createTimestampLocalTimeZoneConstantExpr.
/**
* {@inheritDoc}
*/
@Override
protected RexLiteral createTimestampLocalTimeZoneConstantExpr(String value, ZoneId zoneId) {
TimestampTZ t = TimestampTZUtil.parse(value);
final TimestampString tsLocalTZString;
if (value == null) {
tsLocalTZString = null;
} else {
Instant i = t.getZonedDateTime().toInstant();
tsLocalTZString = TimestampString.fromMillisSinceEpoch(i.toEpochMilli()).withNanos(i.getNano());
}
return rexBuilder.makeTimestampWithLocalTimeZoneLiteral(tsLocalTZString, rexBuilder.getTypeFactory().getTypeSystem().getDefaultPrecision(SqlTypeName.TIMESTAMP_WITH_LOCAL_TIME_ZONE));
}
use of org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.util.TimestampString in project hazelcast by hazelcast.
the class RexToExpressionTest method test_timestamp.
@Test
public void test_timestamp() {
RexLiteral literal = literal(new TimestampString("2021-09-17 12:23:34"), new TimestampString("2021-09-17 12:23:35"), SqlTypeName.TIMESTAMP);
Range<?> converted = convert(literal);
assertThat(converted).isEqualToComparingFieldByField(range(LocalDateTime.of(2021, 9, 17, 12, 23, 34), LocalDateTime.of(2021, 9, 17, 12, 23, 35)));
}
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