org.apache.calcite.util.BitString Java Examples
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org.apache.calcite.util.BitString.
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Example #1
Source File: SqlLiteral.java From calcite with Apache License 2.0 | 5 votes |
/** * Creates a literal like X'ABAB' from an array of bytes. * * @param bytes Contents of binary literal * @param pos Parser position * @return Binary string literal */ public static SqlBinaryStringLiteral createBinaryString( byte[] bytes, SqlParserPos pos) { BitString bits; try { bits = BitString.createFromBytes(bytes); } catch (NumberFormatException e) { throw SqlUtil.newContextException(pos, RESOURCE.binaryLiteralInvalid()); } return new SqlBinaryStringLiteral(bits, pos); }
Example #2
Source File: SqlLiteral.java From calcite with Apache License 2.0 | 5 votes |
/** * Creates a literal like X'ABAB'. Although it matters when we derive a type * for this beastie, we don't care at this point whether the number of * hexits is odd or even. */ public static SqlBinaryStringLiteral createBinaryString( String s, SqlParserPos pos) { BitString bits; try { bits = BitString.createFromHexString(s); } catch (NumberFormatException e) { throw SqlUtil.newContextException(pos, RESOURCE.binaryLiteralInvalid()); } return new SqlBinaryStringLiteral(bits, pos); }
Example #3
Source File: SqlBinaryStringLiteral.java From Bats with Apache License 2.0 | 5 votes |
protected SqlAbstractStringLiteral concat1(List<SqlLiteral> literals) { return new SqlBinaryStringLiteral( BitString.concat( Util.transform(literals, literal -> ((SqlBinaryStringLiteral) literal).getBitString())), literals.get(0).getParserPosition()); }
Example #4
Source File: SqlBinaryStringLiteral.java From calcite with Apache License 2.0 | 5 votes |
protected SqlAbstractStringLiteral concat1(List<SqlLiteral> literals) { return new SqlBinaryStringLiteral( BitString.concat( Util.transform(literals, literal -> ((SqlBinaryStringLiteral) literal).getBitString())), literals.get(0).getParserPosition()); }
Example #5
Source File: SqlLiteral.java From Bats with Apache License 2.0 | 5 votes |
/** * Creates a literal like X'ABAB'. Although it matters when we derive a type * for this beastie, we don't care at this point whether the number of * hexits is odd or even. */ public static SqlBinaryStringLiteral createBinaryString( String s, SqlParserPos pos) { BitString bits; try { bits = BitString.createFromHexString(s); } catch (NumberFormatException e) { throw SqlUtil.newContextException(pos, RESOURCE.binaryLiteralInvalid()); } return new SqlBinaryStringLiteral(bits, pos); }
Example #6
Source File: SqlLiteral.java From Bats with Apache License 2.0 | 5 votes |
/** * Creates a literal like X'ABAB' from an array of bytes. * * @param bytes Contents of binary literal * @param pos Parser position * @return Binary string literal */ public static SqlBinaryStringLiteral createBinaryString( byte[] bytes, SqlParserPos pos) { BitString bits; try { bits = BitString.createFromBytes(bytes); } catch (NumberFormatException e) { throw SqlUtil.newContextException(pos, RESOURCE.binaryLiteralInvalid()); } return new SqlBinaryStringLiteral(bits, pos); }
Example #7
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 #8
Source File: SqlLiteral.java From calcite with Apache License 2.0 | 4 votes |
public <T> T getValueAs(Class<T> clazz) { if (clazz.isInstance(value)) { return clazz.cast(value); } switch (typeName) { case CHAR: if (clazz == String.class) { return clazz.cast(((NlsString) value).getValue()); } break; case BINARY: if (clazz == byte[].class) { return clazz.cast(((BitString) value).getAsByteArray()); } break; case DECIMAL: if (clazz == Long.class) { return clazz.cast(((BigDecimal) value).unscaledValue().longValue()); } // fall through case BIGINT: case INTEGER: case SMALLINT: case TINYINT: case DOUBLE: case REAL: case FLOAT: if (clazz == Long.class) { return clazz.cast(((BigDecimal) value).longValue()); } else if (clazz == Integer.class) { return clazz.cast(((BigDecimal) value).intValue()); } else if (clazz == Short.class) { return clazz.cast(((BigDecimal) value).shortValue()); } else if (clazz == Byte.class) { return clazz.cast(((BigDecimal) value).byteValue()); } else if (clazz == Double.class) { return clazz.cast(((BigDecimal) value).doubleValue()); } else if (clazz == Float.class) { return clazz.cast(((BigDecimal) value).floatValue()); } break; case DATE: if (clazz == Calendar.class) { return clazz.cast(((DateString) value).toCalendar()); } break; case TIME: if (clazz == Calendar.class) { return clazz.cast(((TimeString) value).toCalendar()); } break; case TIMESTAMP: if (clazz == Calendar.class) { return clazz.cast(((TimestampString) value).toCalendar()); } break; case INTERVAL_YEAR: case INTERVAL_YEAR_MONTH: case INTERVAL_MONTH: final SqlIntervalLiteral.IntervalValue valMonth = (SqlIntervalLiteral.IntervalValue) value; if (clazz == Long.class) { return clazz.cast(valMonth.getSign() * SqlParserUtil.intervalToMonths(valMonth)); } else if (clazz == BigDecimal.class) { return clazz.cast(BigDecimal.valueOf(getValueAs(Long.class))); } else if (clazz == TimeUnitRange.class) { return clazz.cast(valMonth.getIntervalQualifier().timeUnitRange); } break; 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: final SqlIntervalLiteral.IntervalValue valTime = (SqlIntervalLiteral.IntervalValue) value; if (clazz == Long.class) { return clazz.cast(valTime.getSign() * SqlParserUtil.intervalToMillis(valTime)); } else if (clazz == BigDecimal.class) { return clazz.cast(BigDecimal.valueOf(getValueAs(Long.class))); } else if (clazz == TimeUnitRange.class) { return clazz.cast(valTime.getIntervalQualifier().timeUnitRange); } break; } throw new AssertionError("cannot cast " + value + " as " + clazz); }
Example #9
Source File: SqlLiteral.java From calcite with Apache License 2.0 | 4 votes |
/** * @return whether value is appropriate for its type (we have rules about * these things) */ public static boolean valueMatchesType( Object value, SqlTypeName typeName) { switch (typeName) { case BOOLEAN: return (value == null) || (value instanceof Boolean); case NULL: return value == null; case DECIMAL: case DOUBLE: return value instanceof BigDecimal; case DATE: return value instanceof DateString; case TIME: return value instanceof TimeString; case TIMESTAMP: return value instanceof TimestampString; 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: return value instanceof SqlIntervalLiteral.IntervalValue; case BINARY: return value instanceof BitString; case CHAR: return value instanceof NlsString; case SYMBOL: return (value instanceof Enum) || (value instanceof SqlSampleSpec); case MULTISET: return true; case INTEGER: // not allowed -- use Decimal case VARCHAR: // not allowed -- use Char case VARBINARY: // not allowed -- use Binary default: throw Util.unexpected(typeName); } }
Example #10
Source File: SqlLiteralChainOperator.java From calcite with Apache License 2.0 | 4 votes |
public void unparse( SqlWriter writer, SqlCall call, int leftPrec, int rightPrec) { final SqlWriter.Frame frame = writer.startList("", ""); SqlCollation collation = null; for (Ord<SqlNode> operand : Ord.zip(call.getOperandList())) { SqlLiteral rand = (SqlLiteral) operand.e; if (operand.i > 0) { // SQL:2003 says there must be a newline between string // fragments. writer.newlineAndIndent(); } if (rand instanceof SqlCharStringLiteral) { NlsString nls = ((SqlCharStringLiteral) rand).getNlsString(); if (operand.i == 0) { collation = nls.getCollation(); // print with prefix writer.literal(nls.asSql(true, false, writer.getDialect())); } else { // print without prefix writer.literal(nls.asSql(false, false, writer.getDialect())); } } else if (operand.i == 0) { // print with prefix rand.unparse(writer, leftPrec, rightPrec); } else { // print without prefix if (rand.getTypeName() == SqlTypeName.BINARY) { BitString bs = (BitString) rand.getValue(); writer.literal("'" + bs.toHexString() + "'"); } else { writer.literal("'" + rand.toValue() + "'"); } } } if (collation != null) { collation.unparse(writer); } writer.endList(frame); }
Example #11
Source File: SqlBinaryStringLiteral.java From calcite with Apache License 2.0 | 4 votes |
@Override public SqlBinaryStringLiteral clone(SqlParserPos pos) { return new SqlBinaryStringLiteral((BitString) value, pos); }
Example #12
Source File: SqlBinaryStringLiteral.java From calcite with Apache License 2.0 | 4 votes |
/** * @return the underlying BitString */ public BitString getBitString() { return (BitString) value; }
Example #13
Source File: SqlBinaryStringLiteral.java From calcite with Apache License 2.0 | 4 votes |
protected SqlBinaryStringLiteral( BitString val, SqlParserPos pos) { super(val, SqlTypeName.BINARY, pos); }
Example #14
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 #15
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 #16
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 #17
Source File: SqlLiteral.java From Bats with Apache License 2.0 | 4 votes |
public <T> T getValueAs(Class<T> clazz) { if (clazz.isInstance(value)) { return clazz.cast(value); } switch (typeName) { case CHAR: if (clazz == String.class) { return clazz.cast(((NlsString) value).getValue()); } break; case BINARY: if (clazz == byte[].class) { return clazz.cast(((BitString) value).getAsByteArray()); } break; case DECIMAL: if (clazz == Long.class) { return clazz.cast(((BigDecimal) value).unscaledValue().longValue()); } // fall through case BIGINT: case INTEGER: case SMALLINT: case TINYINT: case DOUBLE: case REAL: case FLOAT: if (clazz == Long.class) { return clazz.cast(((BigDecimal) value).longValue()); } else if (clazz == Integer.class) { return clazz.cast(((BigDecimal) value).intValue()); } else if (clazz == Short.class) { return clazz.cast(((BigDecimal) value).shortValue()); } else if (clazz == Byte.class) { return clazz.cast(((BigDecimal) value).byteValue()); } else if (clazz == Double.class) { return clazz.cast(((BigDecimal) value).doubleValue()); } else if (clazz == Float.class) { return clazz.cast(((BigDecimal) value).floatValue()); } break; case DATE: if (clazz == Calendar.class) { return clazz.cast(((DateString) value).toCalendar()); } break; case TIME: if (clazz == Calendar.class) { return clazz.cast(((TimeString) value).toCalendar()); } break; case TIMESTAMP: if (clazz == Calendar.class) { return clazz.cast(((TimestampString) value).toCalendar()); } break; case INTERVAL_YEAR: case INTERVAL_YEAR_MONTH: case INTERVAL_MONTH: final SqlIntervalLiteral.IntervalValue valMonth = (SqlIntervalLiteral.IntervalValue) value; if (clazz == Long.class) { return clazz.cast(valMonth.getSign() * SqlParserUtil.intervalToMonths(valMonth)); } else if (clazz == BigDecimal.class) { return clazz.cast(BigDecimal.valueOf(getValueAs(Long.class))); } else if (clazz == TimeUnitRange.class) { return clazz.cast(valMonth.getIntervalQualifier().timeUnitRange); } break; 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: final SqlIntervalLiteral.IntervalValue valTime = (SqlIntervalLiteral.IntervalValue) value; if (clazz == Long.class) { return clazz.cast(valTime.getSign() * SqlParserUtil.intervalToMillis(valTime)); } else if (clazz == BigDecimal.class) { return clazz.cast(BigDecimal.valueOf(getValueAs(Long.class))); } else if (clazz == TimeUnitRange.class) { return clazz.cast(valTime.getIntervalQualifier().timeUnitRange); } break; } throw new AssertionError("cannot cast " + value + " as " + clazz); }
Example #18
Source File: SqlLiteral.java From Bats with Apache License 2.0 | 4 votes |
/** * @return whether value is appropriate for its type (we have rules about * these things) */ public static boolean valueMatchesType( Object value, SqlTypeName typeName) { switch (typeName) { case BOOLEAN: return (value == null) || (value instanceof Boolean); case NULL: return value == null; case DECIMAL: case DOUBLE: return value instanceof BigDecimal; case DATE: return value instanceof DateString; case TIME: return value instanceof TimeString; case TIMESTAMP: return value instanceof TimestampString; 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: return value instanceof SqlIntervalLiteral.IntervalValue; case BINARY: return value instanceof BitString; case CHAR: return value instanceof NlsString; case SYMBOL: return (value instanceof Enum) || (value instanceof SqlSampleSpec); case MULTISET: return true; case INTEGER: // not allowed -- use Decimal case VARCHAR: // not allowed -- use Char case VARBINARY: // not allowed -- use Binary default: throw Util.unexpected(typeName); } }
Example #19
Source File: SqlLiteralChainOperator.java From Bats with Apache License 2.0 | 4 votes |
public void unparse( SqlWriter writer, SqlCall call, int leftPrec, int rightPrec) { final SqlWriter.Frame frame = writer.startList("", ""); SqlCollation collation = null; for (Ord<SqlNode> operand : Ord.zip(call.getOperandList())) { SqlLiteral rand = (SqlLiteral) operand.e; if (operand.i > 0) { // SQL:2003 says there must be a newline between string // fragments. writer.newlineAndIndent(); } if (rand instanceof SqlCharStringLiteral) { NlsString nls = ((SqlCharStringLiteral) rand).getNlsString(); if (operand.i == 0) { collation = nls.getCollation(); // print with prefix writer.literal(nls.asSql(true, false)); } else { // print without prefix writer.literal(nls.asSql(false, false)); } } else if (operand.i == 0) { // print with prefix rand.unparse(writer, leftPrec, rightPrec); } else { // print without prefix if (rand.getTypeName() == SqlTypeName.BINARY) { BitString bs = (BitString) rand.getValue(); writer.literal("'" + bs.toHexString() + "'"); } else { writer.literal("'" + rand.toValue() + "'"); } } } if (collation != null) { collation.unparse(writer, 0, 0); } writer.endList(frame); }
Example #20
Source File: SqlBinaryStringLiteral.java From Bats with Apache License 2.0 | 4 votes |
@Override public SqlBinaryStringLiteral clone(SqlParserPos pos) { return new SqlBinaryStringLiteral((BitString) value, pos); }
Example #21
Source File: SqlBinaryStringLiteral.java From Bats with Apache License 2.0 | 4 votes |
/** * @return the underlying BitString */ public BitString getBitString() { return (BitString) value; }
Example #22
Source File: SqlBinaryStringLiteral.java From Bats with Apache License 2.0 | 4 votes |
protected SqlBinaryStringLiteral( BitString val, SqlParserPos pos) { super(val, SqlTypeName.BINARY, pos); }