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HiveConstant.java
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192 lines (143 loc) · 4.57 KB
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package sqlancer.hive.ast;
import java.math.BigDecimal;
import java.sql.Timestamp;
import java.text.SimpleDateFormat;
public abstract class HiveConstant implements HiveExpression {
public boolean isNull() {
return false;
}
public static class HiveNullConstant extends HiveConstant {
@Override
public boolean isNull() {
return true;
}
@Override
public String toString() {
return "NULL";
}
}
public static class HiveIntConstant extends HiveConstant {
private final long value;
public HiveIntConstant(long value) {
this.value = value;
}
public long getValue() {
return value;
}
@Override
public String toString() {
return String.valueOf(value);
}
}
public static class HiveDoubleConstant extends HiveConstant {
private final double value;
public HiveDoubleConstant(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 HiveDecimalConstant extends HiveConstant {
private final BigDecimal value;
public HiveDecimalConstant(BigDecimal value) {
this.value = value;
}
public BigDecimal getValue() {
return value;
}
@Override
public String toString() {
return String.valueOf(value);
}
}
public static class HiveTimestampConstant extends HiveConstant {
private final String textRepr;
public HiveTimestampConstant(long value) {
Timestamp timestamp = new Timestamp(value);
SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd");
this.textRepr = dateFormat.format(timestamp);
}
public String getValue() {
return textRepr;
}
@Override
public String toString() {
return String.format("TIMESTAMP '%s'", textRepr);
}
}
public static class HiveDateConstant extends HiveConstant {
private final String textRepr;
public HiveDateConstant(long value) {
Timestamp timestamp = new Timestamp(value);
SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd");
this.textRepr = dateFormat.format(timestamp);
}
public String getValue() {
return textRepr;
}
@Override
public String toString() {
return String.format("DATE '%s'", textRepr);
}
}
public static class StringConstant extends HiveConstant {
private final String value;
public StringConstant(String value) {
this.value = value;
}
public String getValue() {
return value;
}
@Override
public String toString() {
return "'" + value.replace("'", "''") + "'";
}
}
public static class HiveBooleanConstant extends HiveConstant {
private final boolean value;
public HiveBooleanConstant(boolean value) {
this.value = value;
}
public boolean getValue() {
return value;
}
@Override
public String toString() {
return String.valueOf(value);
}
}
public static HiveConstant createNullConstant() {
return new HiveNullConstant();
}
public static HiveConstant createIntConstant(long value) {
return new HiveIntConstant(value);
}
public static HiveConstant createDoubleConstant(double value) {
return new HiveDoubleConstant(value);
}
public static HiveConstant createDecimalConstant(BigDecimal value) {
return new HiveDecimalConstant(value);
}
public static HiveConstant createTimestampConstant(long value) {
return new HiveTimestampConstant(value);
}
public static HiveConstant createDateConstant(long value) {
return new HiveDateConstant(value);
}
public static HiveConstant createStringConstant(String value) {
return new StringConstant(value);
}
public static HiveConstant createBooleanConstant(boolean value) {
return new HiveBooleanConstant(value);
}
}