Java Code Examples for net.sf.jsqlparser.expression.SignedExpression

The following examples show how to use net.sf.jsqlparser.expression.SignedExpression. These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
@Override
public void visit(SignedExpression value) {
  Expression underlyingValue = value.getExpression();
  if (underlyingValue instanceof DoubleValue) {
    DoubleValue doubleValue = (DoubleValue) underlyingValue;
    doubleValue
        .setValue(value.getSign() == '-' ? -doubleValue.getValue() : doubleValue.getValue());
    visit(doubleValue);
  } else if (underlyingValue instanceof LongValue) {
    LongValue longValue = (LongValue) underlyingValue;
    longValue.setValue(value.getSign() == '-' ? -longValue.getValue() : longValue.getValue());
    visit(longValue);
  } else {
    super.visit(value);
  }
}
 
Example 2
Source Project: sql-to-mongo-db-query-converter   Source File: SqlUtils.java    License: Apache License 2.0 6 votes vote down vote up
public static Object getValue(Expression incomingExpression, Expression otherSide,
                              FieldType defaultFieldType,
                              Map<String, FieldType> fieldNameToFieldTypeMapping) throws ParseException {
    FieldType fieldType = otherSide !=null ? firstNonNull(fieldNameToFieldTypeMapping.get(getStringValue(otherSide)),
            defaultFieldType) : FieldType.UNKNOWN;
    if (LongValue.class.isInstance(incomingExpression)) {
        return normalizeValue((((LongValue)incomingExpression).getValue()),fieldType);
    } else if (SignedExpression.class.isInstance(incomingExpression)) {
        return normalizeValue((((SignedExpression)incomingExpression).toString()),fieldType);
    } else if (StringValue.class.isInstance(incomingExpression)) {
        return normalizeValue((((StringValue)incomingExpression).getValue()),fieldType);
    } else if (Column.class.isInstance(incomingExpression)) {
        return normalizeValue(getStringValue(incomingExpression),fieldType);
    } else {
        throw new ParseException("can not parseNaturalLanguageDate: " + incomingExpression.toString());
    }
}
 
Example 3
Source Project: quetzal   Source File: CTEToNestedQueryConverter.java    License: Eclipse Public License 2.0 5 votes vote down vote up
@Override
public void visit(SignedExpression signedExpression) {
	clear();
	boolean prevIsTopVal = isTopLevel;
	isTopLevel = false;
	signedExpression.getExpression().accept(this);
	isTopLevel = prevIsTopVal;
	defaultTopLevelProcessing(signedExpression);
}
 
Example 4
@Override
public void visit(SignedExpression signedExpression) {
    signedExpression.accept(new ExpressionVisitorImpl());
}
 
Example 5
Source Project: herddb   Source File: DDLSQLPlanner.java    License: Apache License 2.0 4 votes vote down vote up
private static Object resolveValue(Expression expression, boolean allowColumn) throws StatementExecutionException {
    if (expression instanceof JdbcParameter) {
        throw new StatementExecutionException("jdbcparameter expression not usable in this query");
    } else if (allowColumn && expression instanceof net.sf.jsqlparser.schema.Column) {
        // this is only for supporting back ticks in DDL
        return fixMySqlBackTicks(((net.sf.jsqlparser.schema.Column) expression).getColumnName());
    } else if (expression instanceof StringValue) {
        return ((StringValue) expression).getValue();
    } else if (expression instanceof LongValue) {
        return ((LongValue) expression).getValue();
    } else if (expression instanceof TimestampValue) {
        return ((TimestampValue) expression).getValue();
    } else if (expression instanceof SignedExpression) {
        SignedExpression se = (SignedExpression) expression;
        switch (se.getSign()) {
            case '+': {
                return resolveValue(se.getExpression(), allowColumn);
            }
            case '-': {
                Object value = resolveValue(se.getExpression(), allowColumn);
                if (value == null) {
                    return null;
                }
                if (value instanceof Integer) {
                    return -1L * ((Integer) value);
                } else if (value instanceof Long) {
                    return -1L * ((Long) value);
                } else {
                    throw new StatementExecutionException(
                            "unsupported value type " + expression.getClass() + " with sign " + se.getSign() + " on value " + value + " of type " + value.
                            getClass());
                }
            }
            default:
                throw new StatementExecutionException(
                        "unsupported value type " + expression.getClass() + " with sign " + se.getSign());
        }

    } else {
        throw new StatementExecutionException("unsupported value type " + expression.getClass());
    }
}