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CnosDBPrefixOperation.java
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73 lines (55 loc) · 1.84 KB
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package sqlancer.cnosdb.ast;
import sqlancer.cnosdb.CnosDBSchema.CnosDBDataType;
import sqlancer.common.ast.BinaryOperatorNode.Operator;
public class CnosDBPrefixOperation implements CnosDBExpression {
private final CnosDBExpression expr;
private final PrefixOperator op;
public CnosDBPrefixOperation(CnosDBExpression expr, PrefixOperator op) {
this.expr = expr;
this.op = op;
}
@Override
public CnosDBDataType getExpressionType() {
return op.getExpressionType();
}
public CnosDBDataType[] getInputDataTypes() {
return op.dataTypes;
}
public String getTextRepresentation() {
return op.textRepresentation;
}
public CnosDBExpression getExpression() {
return expr;
}
public enum PrefixOperator implements Operator {
NOT("NOT", CnosDBDataType.BOOLEAN) {
@Override
public CnosDBDataType getExpressionType() {
return CnosDBDataType.BOOLEAN;
}
},
UNARY_PLUS("+", CnosDBDataType.INT) {
@Override
public CnosDBDataType getExpressionType() {
return CnosDBDataType.INT;
}
},
UNARY_MINUS("-", CnosDBDataType.INT) {
@Override
public CnosDBDataType getExpressionType() {
return CnosDBDataType.INT;
}
};
private final String textRepresentation;
private final CnosDBDataType[] dataTypes;
PrefixOperator(String textRepresentation, CnosDBDataType... dataTypes) {
this.textRepresentation = textRepresentation;
this.dataTypes = dataTypes.clone();
}
public abstract CnosDBDataType getExpressionType();
@Override
public String getTextRepresentation() {
return toString();
}
}
}