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CockroachDBJoin.java
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73 lines (58 loc) · 2.24 KB
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package sqlancer.cockroachdb.ast;
import java.util.Arrays;
import sqlancer.Randomly;
import sqlancer.cockroachdb.CockroachDBSchema.CockroachDBColumn;
import sqlancer.cockroachdb.CockroachDBSchema.CockroachDBTable;
import sqlancer.common.ast.newast.Join;
public class CockroachDBJoin
implements CockroachDBExpression, Join<CockroachDBExpression, CockroachDBTable, CockroachDBColumn> {
private final CockroachDBExpression leftTable;
private final CockroachDBExpression rightTable;
private JoinType joinType;
private CockroachDBExpression onCondition;
public enum JoinType {
INNER, LEFT, RIGHT, FULL, CROSS, NATURAL;
public static JoinType getRandom() {
return Randomly.fromOptions(values());
}
public static JoinType getRandomExcept(JoinType... exclude) {
JoinType[] values = Arrays.stream(values()).filter(m -> !Arrays.asList(exclude).contains(m))
.toArray(JoinType[]::new);
return Randomly.fromOptions(values);
}
}
public CockroachDBJoin(CockroachDBExpression leftTable, CockroachDBExpression rightTable, JoinType joinType,
CockroachDBExpression whereCondition) {
this.leftTable = leftTable;
this.rightTable = rightTable;
this.joinType = joinType;
this.onCondition = whereCondition;
}
public CockroachDBExpression getLeftTable() {
return leftTable;
}
public CockroachDBExpression getRightTable() {
return rightTable;
}
public void setJoinType(JoinType joinType) {
this.joinType = joinType;
}
public JoinType getJoinType() {
return joinType;
}
@Override
public void setOnClause(CockroachDBExpression onCondition) {
this.onCondition = onCondition;
}
public CockroachDBExpression getOnCondition() {
return onCondition;
}
public static CockroachDBJoin createJoin(CockroachDBExpression left, CockroachDBExpression right, JoinType type,
CockroachDBExpression onClause) {
if (type.compareTo(JoinType.CROSS) >= 0) {
return new CockroachDBJoin(left, right, type, null);
} else {
return new CockroachDBJoin(left, right, type, onClause);
}
}
}