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TiDBConstant.java
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137 lines (96 loc) · 2.93 KB
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package sqlancer.tidb.ast;
public class TiDBConstant implements TiDBExpression {
private TiDBConstant() {
}
public static class TiDBNullConstant extends TiDBConstant {
@Override
public String toString() {
return "NULL";
}
}
public static class TiDBIntConstant extends TiDBConstant {
private final long value;
public TiDBIntConstant(long value) {
this.value = value;
}
@Override
public String toString() {
return String.valueOf(value);
}
public long getValue() {
return value;
}
}
public static class TiDBDoubleConstant extends TiDBConstant {
private final double value;
public TiDBDoubleConstant(double value) {
this.value = value;
}
public double getValue() {
return value;
}
@Override
public String toString() {
if (value == Double.POSITIVE_INFINITY) {
return "'+Inf'";
} else if (value == Double.NEGATIVE_INFINITY) {
return "'-Inf'";
}
return String.valueOf(value);
}
}
public static class TiDBTextConstant extends TiDBConstant {
private final String value;
public TiDBTextConstant(String value) {
this.value = value;
}
public String getValue() {
return value;
}
@Override
public String toString() {
return "'" + value.replace("\\", "\\\\").replace("'", "\\'") + "'";
}
}
public static class TiDBBitConstant extends TiDBConstant {
private final String value;
public TiDBBitConstant(long value) {
this.value = Long.toBinaryString(value);
}
public String getValue() {
return value;
}
@Override
public String toString() {
return "B'" + value + "'";
}
}
public static class TiDBBooleanConstant extends TiDBConstant {
private final boolean value;
public TiDBBooleanConstant(boolean value) {
this.value = value;
}
public boolean getValue() {
return value;
}
@Override
public String toString() {
return String.valueOf(value);
}
}
public static TiDBTextConstant createStringConstant(String text) {
return new TiDBTextConstant(text);
}
public static TiDBDoubleConstant createFloatConstant(double val) {
return new TiDBDoubleConstant(val);
}
public static TiDBIntConstant createIntConstant(long val) {
return new TiDBIntConstant(val);
}
public static TiDBNullConstant createNullConstant() {
return new TiDBNullConstant();
}
public static TiDBConstant createBooleanConstant(boolean val) {
return new TiDBBooleanConstant(val);
}
}