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CnosDBPostfixOperation.java
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97 lines (75 loc) · 2.69 KB
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package sqlancer.cnosdb.ast;
import sqlancer.Randomly;
import sqlancer.cnosdb.CnosDBSchema.CnosDBDataType;
import sqlancer.common.ast.BinaryOperatorNode.Operator;
public class CnosDBPostfixOperation implements CnosDBExpression {
private final CnosDBExpression expr;
private final String operatorTextRepresentation;
public CnosDBPostfixOperation(CnosDBExpression expr, PostfixOperator op) {
this.expr = expr;
this.operatorTextRepresentation = Randomly.fromOptions(op.textRepresentations);
}
public static CnosDBExpression create(CnosDBExpression expr, PostfixOperator op) {
return new CnosDBPostfixOperation(expr, op);
}
@Override
public CnosDBDataType getExpressionType() {
return CnosDBDataType.BOOLEAN;
}
public String getOperatorTextRepresentation() {
return operatorTextRepresentation;
}
public CnosDBExpression getExpression() {
return expr;
}
public enum PostfixOperator implements Operator {
IS_NULL("IS NULL"/* , "ISNULL" */) {
@Override
public CnosDBDataType[] getInputDataTypes() {
return CnosDBDataType.values();
}
},
IS_UNKNOWN("IS UNKNOWN") {
@Override
public CnosDBDataType[] getInputDataTypes() {
return new CnosDBDataType[] { CnosDBDataType.BOOLEAN };
}
},
IS_NOT_NULL("IS NOT NULL"/* "NOTNULL" */) {
@Override
public CnosDBDataType[] getInputDataTypes() {
return CnosDBDataType.values();
}
},
IS_NOT_UNKNOWN("IS NOT UNKNOWN") {
@Override
public CnosDBDataType[] getInputDataTypes() {
return new CnosDBDataType[] { CnosDBDataType.BOOLEAN };
}
},
IS_TRUE("IS TRUE") {
@Override
public CnosDBDataType[] getInputDataTypes() {
return new CnosDBDataType[] { CnosDBDataType.BOOLEAN };
}
},
IS_FALSE("IS FALSE") {
@Override
public CnosDBDataType[] getInputDataTypes() {
return new CnosDBDataType[] { CnosDBDataType.BOOLEAN };
}
};
private final String[] textRepresentations;
PostfixOperator(String... textRepresentations) {
this.textRepresentations = textRepresentations.clone();
}
public static PostfixOperator getRandom() {
return Randomly.fromOptions(values());
}
public abstract CnosDBDataType[] getInputDataTypes();
@Override
public String getTextRepresentation() {
return toString();
}
}
}