Java Code Examples for org.apache.calcite.sql.SqlIntervalLiteral#IntervalValue
The following examples show how to use
org.apache.calcite.sql.SqlIntervalLiteral#IntervalValue .
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Example 1
| Source File: Db2SqlDialect.java From Bats with Apache License 2.0 | 6 votes |
|
@Override public void unparseSqlIntervalLiteral(SqlWriter writer,
SqlIntervalLiteral literal, int leftPrec, int rightPrec) {
// A duration is a positive or negative number representing an interval of time.
// If one operand is a date, the other labeled duration of YEARS, MONTHS, or DAYS.
// If one operand is a time, the other must be labeled duration of HOURS, MINUTES, or SECONDS.
// If one operand is a timestamp, the other operand can be any of teh duration.
SqlIntervalLiteral.IntervalValue interval =
(SqlIntervalLiteral.IntervalValue) literal.getValue();
if (interval.getSign() == -1) {
writer.print("-");
}
writer.literal(literal.getValue().toString());
unparseSqlIntervalQualifier(writer, interval.getIntervalQualifier(),
RelDataTypeSystem.DEFAULT);
}
Example 2
| Source File: BigQuerySqlDialect.java From calcite with Apache License 2.0 | 6 votes |
|
/** BigQuery interval syntax: INTERVAL int64 time_unit. */
@Override public void unparseSqlIntervalLiteral(
SqlWriter writer, SqlIntervalLiteral literal, int leftPrec, int rightPrec) {
SqlIntervalLiteral.IntervalValue interval =
(SqlIntervalLiteral.IntervalValue) literal.getValue();
writer.keyword("INTERVAL");
if (interval.getSign() == -1) {
writer.print("-");
}
Long intervalValueInLong;
try {
intervalValueInLong = Long.parseLong(literal.getValue().toString());
} catch (NumberFormatException e) {
throw new RuntimeException("Only INT64 is supported as the interval value for BigQuery.");
}
writer.literal(intervalValueInLong.toString());
unparseSqlIntervalQualifier(writer, interval.getIntervalQualifier(),
RelDataTypeSystem.DEFAULT);
}
Example 3
| Source File: Db2SqlDialect.java From calcite with Apache License 2.0 | 6 votes |
|
@Override public void unparseSqlIntervalLiteral(SqlWriter writer,
SqlIntervalLiteral literal, int leftPrec, int rightPrec) {
// A duration is a positive or negative number representing an interval of time.
// If one operand is a date, the other labeled duration of YEARS, MONTHS, or DAYS.
// If one operand is a time, the other must be labeled duration of HOURS, MINUTES, or SECONDS.
// If one operand is a timestamp, the other operand can be any of teh duration.
SqlIntervalLiteral.IntervalValue interval =
(SqlIntervalLiteral.IntervalValue) literal.getValue();
if (interval.getSign() == -1) {
writer.print("-");
}
writer.literal(literal.getValue().toString());
unparseSqlIntervalQualifier(writer, interval.getIntervalQualifier(),
RelDataTypeSystem.DEFAULT);
}
Example 4
| Source File: AbstractSqlTester.java From calcite with Apache License 2.0 | 6 votes |
|
public void checkIntervalConv(String sql, String expected) {
SqlValidator validator = getValidator();
final SqlCall n = (SqlCall) parseAndValidate(validator, sql);
SqlNode node = null;
for (int i = 0; i < n.operandCount(); i++) {
node = stripAs(n.operand(i));
if (node instanceof SqlCall) {
node = ((SqlCall) node).operand(0);
break;
}
}
assertNotNull(node);
SqlIntervalLiteral intervalLiteral = (SqlIntervalLiteral) node;
SqlIntervalLiteral.IntervalValue interval =
(SqlIntervalLiteral.IntervalValue) intervalLiteral.getValue();
long l =
interval.getIntervalQualifier().isYearMonth()
? SqlParserUtil.intervalToMonths(interval)
: SqlParserUtil.intervalToMillis(interval);
String actual = l + "";
assertEquals(expected, actual);
}
Example 5
| Source File: StandardConvertletTable.java From Bats with Apache License 2.0 | 5 votes |
|
protected RexNode convertFloorCeil(SqlRexContext cx, SqlCall call) {
final boolean floor = call.getKind() == SqlKind.FLOOR;
// Rewrite floor, ceil of interval
if (call.operandCount() == 1
&& call.operand(0) instanceof SqlIntervalLiteral) {
final SqlIntervalLiteral literal = call.operand(0);
SqlIntervalLiteral.IntervalValue interval =
(SqlIntervalLiteral.IntervalValue) literal.getValue();
BigDecimal val =
interval.getIntervalQualifier().getStartUnit().multiplier;
RexNode rexInterval = cx.convertExpression(literal);
final RexBuilder rexBuilder = cx.getRexBuilder();
RexNode zero = rexBuilder.makeExactLiteral(BigDecimal.valueOf(0));
RexNode cond = ge(rexBuilder, rexInterval, zero);
RexNode pad =
rexBuilder.makeExactLiteral(val.subtract(BigDecimal.ONE));
RexNode cast = rexBuilder.makeReinterpretCast(
rexInterval.getType(), pad, rexBuilder.makeLiteral(false));
RexNode sum = floor
? minus(rexBuilder, rexInterval, cast)
: plus(rexBuilder, rexInterval, cast);
RexNode kase = floor
? case_(rexBuilder, rexInterval, cond, sum)
: case_(rexBuilder, sum, cond, rexInterval);
RexNode factor = rexBuilder.makeExactLiteral(val);
RexNode div = divideInt(rexBuilder, kase, factor);
return multiply(rexBuilder, div, factor);
}
// normal floor, ceil function
return convertFunction(cx, (SqlFunction) call.getOperator(), call);
}
Example 6
| Source File: MssqlSqlDialect.java From Bats with Apache License 2.0 | 5 votes |
|
private void unparseSqlIntervalLiteralMssql(
SqlWriter writer, SqlIntervalLiteral literal, int sign) {
final SqlIntervalLiteral.IntervalValue interval =
(SqlIntervalLiteral.IntervalValue) literal.getValue();
unparseSqlIntervalQualifier(writer, interval.getIntervalQualifier(),
RelDataTypeSystem.DEFAULT);
writer.sep(",", true);
if (interval.getSign() * sign == -1) {
writer.print("-");
}
writer.literal(literal.getValue().toString());
}
Example 7
| Source File: StandardConvertletTable.java From calcite with Apache License 2.0 | 5 votes |
|
protected RexNode convertFloorCeil(SqlRexContext cx, SqlCall call) {
final boolean floor = call.getKind() == SqlKind.FLOOR;
// Rewrite floor, ceil of interval
if (call.operandCount() == 1
&& call.operand(0) instanceof SqlIntervalLiteral) {
final SqlIntervalLiteral literal = call.operand(0);
SqlIntervalLiteral.IntervalValue interval =
(SqlIntervalLiteral.IntervalValue) literal.getValue();
BigDecimal val =
interval.getIntervalQualifier().getStartUnit().multiplier;
RexNode rexInterval = cx.convertExpression(literal);
final RexBuilder rexBuilder = cx.getRexBuilder();
RexNode zero = rexBuilder.makeExactLiteral(BigDecimal.valueOf(0));
RexNode cond = ge(rexBuilder, rexInterval, zero);
RexNode pad =
rexBuilder.makeExactLiteral(val.subtract(BigDecimal.ONE));
RexNode cast = rexBuilder.makeReinterpretCast(
rexInterval.getType(), pad, rexBuilder.makeLiteral(false));
RexNode sum = floor
? minus(rexBuilder, rexInterval, cast)
: plus(rexBuilder, rexInterval, cast);
RexNode kase = floor
? case_(rexBuilder, rexInterval, cond, sum)
: case_(rexBuilder, sum, cond, rexInterval);
RexNode factor = rexBuilder.makeExactLiteral(val);
RexNode div = divideInt(rexBuilder, kase, factor);
return multiply(rexBuilder, div, factor);
}
// normal floor, ceil function
return convertFunction(cx, (SqlFunction) call.getOperator(), call);
}
Example 8
| Source File: MssqlSqlDialect.java From calcite with Apache License 2.0 | 5 votes |
|
private void unparseSqlIntervalLiteralMssql(
SqlWriter writer, SqlIntervalLiteral literal, int sign) {
final SqlIntervalLiteral.IntervalValue interval =
(SqlIntervalLiteral.IntervalValue) literal.getValue();
unparseSqlIntervalQualifier(writer, interval.getIntervalQualifier(),
RelDataTypeSystem.DEFAULT);
writer.sep(",", true);
if (interval.getSign() * sign == -1) {
writer.print("-");
}
writer.literal(literal.getValue().toString());
}
Example 9
| Source File: SqlNodeToRexConverterImpl.java From Bats with Apache License 2.0 | 4 votes |
|
public RexNode convertLiteral(
SqlRexContext cx,
SqlLiteral literal) {
RexBuilder rexBuilder = cx.getRexBuilder();
RelDataTypeFactory typeFactory = cx.getTypeFactory();
SqlValidator validator = cx.getValidator();
if (literal.getValue() == null) {
// Since there is no eq. RexLiteral of SqlLiteral.Unknown we
// treat it as a cast(null as boolean)
RelDataType type;
if (literal.getTypeName() == SqlTypeName.BOOLEAN) {
type = typeFactory.createSqlType(SqlTypeName.BOOLEAN);
type = typeFactory.createTypeWithNullability(type, true);
} else {
type = validator.getValidatedNodeType(literal);
}
return rexBuilder.makeCast(
type,
rexBuilder.constantNull());
}
BitString bitString;
SqlIntervalLiteral.IntervalValue intervalValue;
long l;
switch (literal.getTypeName()) {
case DECIMAL:
// exact number
BigDecimal bd = literal.getValueAs(BigDecimal.class);
return rexBuilder.makeExactLiteral(
bd,
literal.createSqlType(typeFactory));
case DOUBLE:
// approximate type
// TODO: preserve fixed-point precision and large integers
return rexBuilder.makeApproxLiteral(literal.getValueAs(BigDecimal.class));
case CHAR:
return rexBuilder.makeCharLiteral(literal.getValueAs(NlsString.class));
case BOOLEAN:
return rexBuilder.makeLiteral(literal.getValueAs(Boolean.class));
case BINARY:
bitString = literal.getValueAs(BitString.class);
Preconditions.checkArgument((bitString.getBitCount() % 8) == 0,
"incomplete octet");
// An even number of hexits (e.g. X'ABCD') makes whole number
// of bytes.
ByteString byteString = new ByteString(bitString.getAsByteArray());
return rexBuilder.makeBinaryLiteral(byteString);
case SYMBOL:
return rexBuilder.makeFlag(literal.getValueAs(Enum.class));
case TIMESTAMP:
return rexBuilder.makeTimestampLiteral(
literal.getValueAs(TimestampString.class),
((SqlTimestampLiteral) literal).getPrec());
case TIME:
return rexBuilder.makeTimeLiteral(
literal.getValueAs(TimeString.class),
((SqlTimeLiteral) literal).getPrec());
case DATE:
return rexBuilder.makeDateLiteral(literal.getValueAs(DateString.class));
case INTERVAL_YEAR:
case INTERVAL_YEAR_MONTH:
case INTERVAL_MONTH:
case INTERVAL_DAY:
case INTERVAL_DAY_HOUR:
case INTERVAL_DAY_MINUTE:
case INTERVAL_DAY_SECOND:
case INTERVAL_HOUR:
case INTERVAL_HOUR_MINUTE:
case INTERVAL_HOUR_SECOND:
case INTERVAL_MINUTE:
case INTERVAL_MINUTE_SECOND:
case INTERVAL_SECOND:
SqlIntervalQualifier sqlIntervalQualifier =
literal.getValueAs(SqlIntervalLiteral.IntervalValue.class)
.getIntervalQualifier();
return rexBuilder.makeIntervalLiteral(
literal.getValueAs(BigDecimal.class),
sqlIntervalQualifier);
default:
throw Util.unexpected(literal.getTypeName());
}
}
Example 10
| Source File: SqlValidatorImpl.java From Flink-CEPplus with Apache License 2.0 | 4 votes |
|
public void validateLiteral(SqlLiteral literal) {
switch (literal.getTypeName()) {
case DECIMAL:
// Decimal and long have the same precision (as 64-bit integers), so
// the unscaled value of a decimal must fit into a long.
// REVIEW jvs 4-Aug-2004: This should probably be calling over to
// the available calculator implementations to see what they
// support. For now use ESP instead.
//
// jhyde 2006/12/21: I think the limits should be baked into the
// type system, not dependent on the calculator implementation.
BigDecimal bd = (BigDecimal) literal.getValue();
BigInteger unscaled = bd.unscaledValue();
long longValue = unscaled.longValue();
if (!BigInteger.valueOf(longValue).equals(unscaled)) {
// overflow
throw newValidationError(literal,
RESOURCE.numberLiteralOutOfRange(bd.toString()));
}
break;
case DOUBLE:
validateLiteralAsDouble(literal);
break;
case BINARY:
final BitString bitString = (BitString) literal.getValue();
if ((bitString.getBitCount() % 8) != 0) {
throw newValidationError(literal, RESOURCE.binaryLiteralOdd());
}
break;
case DATE:
case TIME:
case TIMESTAMP:
Calendar calendar = literal.getValueAs(Calendar.class);
final int year = calendar.get(Calendar.YEAR);
final int era = calendar.get(Calendar.ERA);
if (year < 1 || era == GregorianCalendar.BC || year > 9999) {
throw newValidationError(literal,
RESOURCE.dateLiteralOutOfRange(literal.toString()));
}
break;
case INTERVAL_YEAR:
case INTERVAL_YEAR_MONTH:
case INTERVAL_MONTH:
case INTERVAL_DAY:
case INTERVAL_DAY_HOUR:
case INTERVAL_DAY_MINUTE:
case INTERVAL_DAY_SECOND:
case INTERVAL_HOUR:
case INTERVAL_HOUR_MINUTE:
case INTERVAL_HOUR_SECOND:
case INTERVAL_MINUTE:
case INTERVAL_MINUTE_SECOND:
case INTERVAL_SECOND:
if (literal instanceof SqlIntervalLiteral) {
SqlIntervalLiteral.IntervalValue interval =
(SqlIntervalLiteral.IntervalValue)
literal.getValue();
SqlIntervalQualifier intervalQualifier =
interval.getIntervalQualifier();
// ensure qualifier is good before attempting to validate literal
validateIntervalQualifier(intervalQualifier);
String intervalStr = interval.getIntervalLiteral();
// throws CalciteContextException if string is invalid
int[] values = intervalQualifier.evaluateIntervalLiteral(intervalStr,
literal.getParserPosition(), typeFactory.getTypeSystem());
Util.discard(values);
}
break;
default:
// default is to do nothing
}
}
Example 11
| Source File: SqlValidatorImpl.java From flink with Apache License 2.0 | 4 votes |
|
public void validateLiteral(SqlLiteral literal) {
switch (literal.getTypeName()) {
case DECIMAL:
// Decimal and long have the same precision (as 64-bit integers), so
// the unscaled value of a decimal must fit into a long.
// REVIEW jvs 4-Aug-2004: This should probably be calling over to
// the available calculator implementations to see what they
// support. For now use ESP instead.
//
// jhyde 2006/12/21: I think the limits should be baked into the
// type system, not dependent on the calculator implementation.
BigDecimal bd = (BigDecimal) literal.getValue();
BigInteger unscaled = bd.unscaledValue();
long longValue = unscaled.longValue();
if (!BigInteger.valueOf(longValue).equals(unscaled)) {
// overflow
throw newValidationError(literal,
RESOURCE.numberLiteralOutOfRange(bd.toString()));
}
break;
case DOUBLE:
validateLiteralAsDouble(literal);
break;
case BINARY:
final BitString bitString = (BitString) literal.getValue();
if ((bitString.getBitCount() % 8) != 0) {
throw newValidationError(literal, RESOURCE.binaryLiteralOdd());
}
break;
case DATE:
case TIME:
case TIMESTAMP:
Calendar calendar = literal.getValueAs(Calendar.class);
final int year = calendar.get(Calendar.YEAR);
final int era = calendar.get(Calendar.ERA);
if (year < 1 || era == GregorianCalendar.BC || year > 9999) {
throw newValidationError(literal,
RESOURCE.dateLiteralOutOfRange(literal.toString()));
}
break;
case INTERVAL_YEAR:
case INTERVAL_YEAR_MONTH:
case INTERVAL_MONTH:
case INTERVAL_DAY:
case INTERVAL_DAY_HOUR:
case INTERVAL_DAY_MINUTE:
case INTERVAL_DAY_SECOND:
case INTERVAL_HOUR:
case INTERVAL_HOUR_MINUTE:
case INTERVAL_HOUR_SECOND:
case INTERVAL_MINUTE:
case INTERVAL_MINUTE_SECOND:
case INTERVAL_SECOND:
if (literal instanceof SqlIntervalLiteral) {
SqlIntervalLiteral.IntervalValue interval =
(SqlIntervalLiteral.IntervalValue)
literal.getValue();
SqlIntervalQualifier intervalQualifier =
interval.getIntervalQualifier();
// ensure qualifier is good before attempting to validate literal
validateIntervalQualifier(intervalQualifier);
String intervalStr = interval.getIntervalLiteral();
// throws CalciteContextException if string is invalid
int[] values = intervalQualifier.evaluateIntervalLiteral(intervalStr,
literal.getParserPosition(), typeFactory.getTypeSystem());
Util.discard(values);
}
break;
default:
// default is to do nothing
}
}
Example 12
| Source File: SqlNodeToRexConverterImpl.java From calcite with Apache License 2.0 | 4 votes |
|
public RexNode convertLiteral(
SqlRexContext cx,
SqlLiteral literal) {
RexBuilder rexBuilder = cx.getRexBuilder();
RelDataTypeFactory typeFactory = cx.getTypeFactory();
SqlValidator validator = cx.getValidator();
if (literal.getValue() == null) {
// Since there is no eq. RexLiteral of SqlLiteral.Unknown we
// treat it as a cast(null as boolean)
RelDataType type;
if (literal.getTypeName() == SqlTypeName.BOOLEAN) {
type = typeFactory.createSqlType(SqlTypeName.BOOLEAN);
type = typeFactory.createTypeWithNullability(type, true);
} else {
type = validator.getValidatedNodeType(literal);
}
return rexBuilder.makeNullLiteral(type);
}
BitString bitString;
SqlIntervalLiteral.IntervalValue intervalValue;
long l;
switch (literal.getTypeName()) {
case DECIMAL:
// exact number
BigDecimal bd = literal.getValueAs(BigDecimal.class);
return rexBuilder.makeExactLiteral(
bd,
literal.createSqlType(typeFactory));
case DOUBLE:
// approximate type
// TODO: preserve fixed-point precision and large integers
return rexBuilder.makeApproxLiteral(literal.getValueAs(BigDecimal.class));
case CHAR:
return rexBuilder.makeCharLiteral(literal.getValueAs(NlsString.class));
case BOOLEAN:
return rexBuilder.makeLiteral(literal.getValueAs(Boolean.class));
case BINARY:
bitString = literal.getValueAs(BitString.class);
Preconditions.checkArgument((bitString.getBitCount() % 8) == 0,
"incomplete octet");
// An even number of hexits (e.g. X'ABCD') makes whole number
// of bytes.
ByteString byteString = new ByteString(bitString.getAsByteArray());
return rexBuilder.makeBinaryLiteral(byteString);
case SYMBOL:
return rexBuilder.makeFlag(literal.getValueAs(Enum.class));
case TIMESTAMP:
return rexBuilder.makeTimestampLiteral(
literal.getValueAs(TimestampString.class),
((SqlTimestampLiteral) literal).getPrec());
case TIME:
return rexBuilder.makeTimeLiteral(
literal.getValueAs(TimeString.class),
((SqlTimeLiteral) literal).getPrec());
case DATE:
return rexBuilder.makeDateLiteral(literal.getValueAs(DateString.class));
case INTERVAL_YEAR:
case INTERVAL_YEAR_MONTH:
case INTERVAL_MONTH:
case INTERVAL_DAY:
case INTERVAL_DAY_HOUR:
case INTERVAL_DAY_MINUTE:
case INTERVAL_DAY_SECOND:
case INTERVAL_HOUR:
case INTERVAL_HOUR_MINUTE:
case INTERVAL_HOUR_SECOND:
case INTERVAL_MINUTE:
case INTERVAL_MINUTE_SECOND:
case INTERVAL_SECOND:
SqlIntervalQualifier sqlIntervalQualifier =
literal.getValueAs(SqlIntervalLiteral.IntervalValue.class)
.getIntervalQualifier();
return rexBuilder.makeIntervalLiteral(
literal.getValueAs(BigDecimal.class),
sqlIntervalQualifier);
default:
throw Util.unexpected(literal.getTypeName());
}
}
Example 13
| Source File: SqlParserUtil.java From Bats with Apache License 2.0 | 3 votes |
|
/**
* Converts the interval value into a millisecond representation.
*
* @param interval Interval
* @return a long value that represents millisecond equivalent of the
* interval value.
*/
public static long intervalToMillis(
SqlIntervalLiteral.IntervalValue interval) {
return intervalToMillis(
interval.getIntervalLiteral(),
interval.getIntervalQualifier());
}
Example 14
| Source File: SqlParserUtil.java From Bats with Apache License 2.0 | 3 votes |
|
/**
* Converts the interval value into a months representation.
*
* @param interval Interval
* @return a long value that represents months equivalent of the interval
* value.
*/
public static long intervalToMonths(
SqlIntervalLiteral.IntervalValue interval) {
return intervalToMonths(
interval.getIntervalLiteral(),
interval.getIntervalQualifier());
}
Example 15
| Source File: SqlParserUtil.java From calcite with Apache License 2.0 | 3 votes |
|
/**
* Converts the interval value into a millisecond representation.
*
* @param interval Interval
* @return a long value that represents millisecond equivalent of the
* interval value.
*/
public static long intervalToMillis(
SqlIntervalLiteral.IntervalValue interval) {
return intervalToMillis(
interval.getIntervalLiteral(),
interval.getIntervalQualifier());
}
Example 16
| Source File: SqlParserUtil.java From calcite with Apache License 2.0 | 3 votes |
|
/**
* Converts the interval value into a months representation.
*
* @param interval Interval
* @return a long value that represents months equivalent of the interval
* value.
*/
public static long intervalToMonths(
SqlIntervalLiteral.IntervalValue interval) {
return intervalToMonths(
interval.getIntervalLiteral(),
interval.getIntervalQualifier());
}
