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OceanBaseToStringVisitor.java
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308 lines (280 loc) · 8.86 KB
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package sqlancer.oceanbase;
import java.util.List;
import java.util.stream.Collectors;
import sqlancer.Randomly;
import sqlancer.common.visitor.ToStringVisitor;
import sqlancer.oceanbase.OceanBaseSchema.OceanBaseDataType;
import sqlancer.oceanbase.ast.OceanBaseAggregate;
import sqlancer.oceanbase.ast.OceanBaseBinaryComparisonOperation;
import sqlancer.oceanbase.ast.OceanBaseBinaryLogicalOperation;
import sqlancer.oceanbase.ast.OceanBaseCastOperation;
import sqlancer.oceanbase.ast.OceanBaseColumnName;
import sqlancer.oceanbase.ast.OceanBaseColumnReference;
import sqlancer.oceanbase.ast.OceanBaseComputableFunction;
import sqlancer.oceanbase.ast.OceanBaseConstant;
import sqlancer.oceanbase.ast.OceanBaseExists;
import sqlancer.oceanbase.ast.OceanBaseExpression;
import sqlancer.oceanbase.ast.OceanBaseInOperation;
import sqlancer.oceanbase.ast.OceanBaseOrderByTerm;
import sqlancer.oceanbase.ast.OceanBaseOrderByTerm.OceanBaseOrder;
import sqlancer.oceanbase.ast.OceanBaseSelect;
import sqlancer.oceanbase.ast.OceanBaseStringExpression;
import sqlancer.oceanbase.ast.OceanBaseTableReference;
import sqlancer.oceanbase.ast.OceanBaseText;
import sqlancer.oceanbase.ast.OceanBaseUnaryPostfixOperation;
import sqlancer.oceanbase.ast.OceanBaseUnaryPrefixOperation;
public class OceanBaseToStringVisitor extends ToStringVisitor<OceanBaseExpression> implements OceanBaseVisitor {
int ref;
private final Randomly r = new Randomly();
@Override
public void visitSpecific(OceanBaseExpression expr) {
OceanBaseVisitor.super.visit(expr);
}
@Override
public void visit(OceanBaseSelect s) {
sb.append("SELECT ");
if (s.getHint() != null) {
sb.append("/*+ ");
visit(s.getHint(), 0);
sb.append(" */ ");
}
switch (s.getFromOptions()) {
case DISTINCT:
sb.append("DISTINCT ");
break;
case ALL:
sb.append(Randomly.fromOptions("ALL ", ""));
break;
default:
throw new AssertionError();
}
sb.append(s.getModifiers().stream().collect(Collectors.joining(" ")));
if (!s.getModifiers().isEmpty()) {
sb.append(" ");
}
if (s.getFetchColumns() == null) {
sb.append("*");
} else {
for (int i = 0; i < s.getFetchColumns().size(); i++) {
if (i != 0) {
sb.append(", ");
}
visit(s.getFetchColumns().get(i));
}
}
sb.append(" FROM ");
for (int i = 0; i < s.getFromList().size(); i++) {
if (i != 0) {
sb.append(", ");
}
visit(s.getFromList().get(i));
}
for (OceanBaseExpression j : s.getJoinList()) {
visit(j);
}
if (s.getWhereClause() != null) {
OceanBaseExpression whereClause = s.getWhereClause();
sb.append(" WHERE ");
visit(whereClause);
}
if (s.getGroupByExpressions() != null && !s.getGroupByExpressions().isEmpty()) {
sb.append(" ");
sb.append("GROUP BY ");
List<OceanBaseExpression> groupBys = s.getGroupByExpressions();
for (int i = 0; i < groupBys.size(); i++) {
if (i != 0) {
sb.append(", ");
}
visit(groupBys.get(i));
}
}
if (s.getHavingClause() != null) {
sb.append(" HAVING ");
visit(s.getHavingClause());
}
if (!s.getOrderByClauses().isEmpty()) {
sb.append(" ORDER BY ");
List<OceanBaseExpression> orderBys = s.getOrderByClauses();
for (int i = 0; i < orderBys.size(); i++) {
if (i != 0) {
sb.append(", ");
}
visit(s.getOrderByClauses().get(i));
}
}
if (s.getLimitClause() != null) {
sb.append(" LIMIT ");
visit(s.getLimitClause());
}
if (s.getOffsetClause() != null) {
sb.append(" OFFSET ");
visit(s.getOffsetClause());
}
}
@Override
public void visit(OceanBaseConstant constant) {
sb.append(constant.getTextRepresentation());
}
@Override
public String get() {
return sb.toString();
}
@Override
public void visit(OceanBaseColumnReference column) {
if (column.getColumn().getType() == OceanBaseDataType.FLOAT || column.getColumn().isZeroFill()) {
sb.append("concat(");
}
sb.append(column.getColumn().getFullQualifiedName());
if (column.getColumn().getType() == OceanBaseDataType.FLOAT || column.getColumn().isZeroFill()) {
sb.append(",'')");
}
if (column.getRef()) {
sb.append(" AS ");
sb.append(column.getColumn().getTable().getName());
sb.append(column.getColumn().getName());
}
}
@Override
public void visit(OceanBaseUnaryPostfixOperation op) {
sb.append("(");
visit(op.getExpression());
sb.append(")");
sb.append(" IS ");
if (op.isNegated()) {
sb.append("NOT ");
}
switch (op.getOperator()) {
case IS_FALSE:
sb.append("FALSE");
break;
case IS_NULL:
if (Randomly.getBoolean()) {
sb.append("UNKNOWN");
} else {
sb.append("NULL");
}
break;
case IS_TRUE:
sb.append("TRUE");
break;
default:
throw new AssertionError(op);
}
}
@Override
public void visit(OceanBaseComputableFunction f) {
sb.append(f.getFunction().getName());
sb.append("(");
for (int i = 0; i < f.getArguments().length; i++) {
if (i != 0) {
sb.append(", ");
}
visit(f.getArguments()[i]);
}
sb.append(")");
}
@Override
public void visit(OceanBaseBinaryLogicalOperation op) {
sb.append("(");
visit(op.getLeft());
sb.append(")");
sb.append(" ");
sb.append(op.getTextRepresentation());
sb.append(" ");
sb.append("(");
visit(op.getRight());
sb.append(")");
}
@Override
public void visit(OceanBaseBinaryComparisonOperation op) {
sb.append("(");
visit(op.getLeft());
sb.append(") ");
sb.append(op.getOp().getTextRepresentation());
sb.append(" (");
visit(op.getRight());
sb.append(")");
}
@Override
public void visit(OceanBaseCastOperation op) {
sb.append("CAST(");
visit(op.getExpr());
sb.append(" AS ");
sb.append(op.getType());
sb.append(")");
}
@Override
public void visit(OceanBaseInOperation op) {
sb.append("(");
visit(op.getExpr());
sb.append(")");
if (!op.isTrue()) {
sb.append(" NOT");
}
sb.append(" IN ");
sb.append("(");
for (int i = 0; i < op.getListElements().size(); i++) {
if (i != 0) {
sb.append(", ");
}
visit(op.getListElements().get(i));
}
sb.append(")");
}
@Override
public void visit(OceanBaseOrderByTerm op) {
visit(op.getExpr());
sb.append(" ");
sb.append(op.getOrder() == OceanBaseOrder.ASC ? "ASC" : "DESC");
}
@Override
public void visit(OceanBaseExists op) {
sb.append(" EXISTS (");
visit(op.getExpr());
sb.append(")");
}
@Override
public void visit(OceanBaseStringExpression op) {
if (op.getStr().contains("SELECT")) {
sb.append(op.getStr());
} else {
String str = op.getStr();
if (!str.isEmpty()) {
sb.append(r.getInteger(0, 100000));
} else {
sb.append(r.getInteger(0, 1000000));
}
}
}
public void visit(OceanBaseStringExpression op, int type) {
sb.append(op.getStr());
}
@Override
public void visit(OceanBaseTableReference ref) {
sb.append(ref.getTable().getName());
}
@Override
public void visit(OceanBaseAggregate aggr) {
sb.append(aggr.getAggr());
sb.append("(");
visit(aggr.getExpr());
sb.append(")");
}
@Override
public void visit(OceanBaseColumnName c) {
sb.append(c.getColumn().getName());
}
@Override
public void visit(OceanBaseText func) {
visit(func.getExpr());
sb.append(func.getText());
}
@Override
public void visit(OceanBaseUnaryPrefixOperation op) {
sb.append("(");
sb.append(op.getOp().getTextRepresentation());
sb.append(" ");
visit(op.getExpr());
sb.append(")");
}
}