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QuestDBConstant.java
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111 lines (86 loc) · 2.7 KB
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package sqlancer.questdb.ast;
public class QuestDBConstant implements QuestDBExpression {
private QuestDBConstant() {
}
public static class QuestDBNullConstant extends QuestDBConstant {
@Override
public String toString() {
return "NULL";
}
}
public static class QuestDBIntConstant extends QuestDBConstant {
private final long value;
public QuestDBIntConstant(long value) {
this.value = value;
}
@Override
public String toString() {
return String.valueOf(value);
}
public long getValue() {
return value;
}
}
public static class QuestDBBooleanConstant extends QuestDBConstant {
private final boolean value;
public QuestDBBooleanConstant(boolean value) {
this.value = value;
}
@Override
public String toString() {
return String.valueOf(value);
}
public boolean getValue() {
return value;
}
}
public static class QuestDBSymbolConstant extends QuestDBConstant {
private final String value;
public QuestDBSymbolConstant(String value) {
this.value = value;
}
@Override
public String toString() {
if (value.equals("")) {
return "NULL";
}
return "'" + value + "'";
}
public String getValue() {
return value;
}
}
public static QuestDBExpression createIntConstant(long val) {
return new QuestDBIntConstant(val);
}
public static class QuestDBDoubleConstant extends QuestDBConstant {
private final double value;
public QuestDBDoubleConstant(double value) {
this.value = value;
}
public double getValue() {
return value;
}
@Override
public String toString() {
if (value == Double.POSITIVE_INFINITY) {
return "cast('Infinity' as double)";
} else if (value == Double.NEGATIVE_INFINITY) {
return "cast('-Infinity' as double)";
}
return String.valueOf(value);
}
}
public static QuestDBExpression createBooleanConstant(boolean val) {
return new QuestDBBooleanConstant(val);
}
public static QuestDBExpression createNullConstant() {
return new QuestDBNullConstant();
}
public static QuestDBExpression createFloatConstant(double val) {
return new QuestDBDoubleConstant(val);
}
public static QuestDBExpression createSymbolConstant(String val) {
return new QuestDBSymbolConstant(val);
}
}