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DorisNoRECOracle.java
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package sqlancer.doris.oracle;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.stream.Collectors;
import sqlancer.IgnoreMeException;
import sqlancer.Randomly;
import sqlancer.SQLConnection;
import sqlancer.common.ast.newast.ColumnReferenceNode;
import sqlancer.common.ast.newast.NewPostfixTextNode;
import sqlancer.common.ast.newast.Node;
import sqlancer.common.ast.newast.TableReferenceNode;
import sqlancer.common.oracle.NoRECBase;
import sqlancer.common.oracle.TestOracle;
import sqlancer.common.query.SQLQueryAdapter;
import sqlancer.common.query.SQLancerResultSet;
import sqlancer.doris.DorisErrors;
import sqlancer.doris.DorisProvider.DorisGlobalState;
import sqlancer.doris.DorisSchema;
import sqlancer.doris.DorisSchema.DorisColumn;
import sqlancer.doris.DorisSchema.DorisCompositeDataType;
import sqlancer.doris.DorisSchema.DorisDataType;
import sqlancer.doris.DorisSchema.DorisTable;
import sqlancer.doris.DorisSchema.DorisTables;
import sqlancer.doris.ast.DorisCastOperation;
import sqlancer.doris.ast.DorisConstant;
import sqlancer.doris.ast.DorisExpression;
import sqlancer.doris.ast.DorisJoin;
import sqlancer.doris.ast.DorisSelect;
import sqlancer.doris.gen.DorisNewExpressionGenerator;
import sqlancer.doris.visitor.DorisExprToNode;
import sqlancer.doris.visitor.DorisToStringVisitor;
public class DorisNoRECOracle extends NoRECBase<DorisGlobalState> implements TestOracle<DorisGlobalState> {
private final DorisSchema s;
public DorisNoRECOracle(DorisGlobalState globalState) {
super(globalState);
this.s = globalState.getSchema();
DorisErrors.addExpressionErrors(errors);
DorisErrors.addInsertErrors(errors);
}
@Override
public void check() throws SQLException {
DorisTables randomTables = s.getRandomTableNonEmptyTables();
List<DorisColumn> columns = randomTables.getColumns();
DorisNewExpressionGenerator gen = new DorisNewExpressionGenerator(state).setColumns(columns);
Node<DorisExpression> randomWhereCondition = DorisExprToNode
.cast(gen.generateExpression(DorisDataType.BOOLEAN));
List<DorisTable> tables = randomTables.getTables();
List<TableReferenceNode<DorisExpression, DorisTable>> tableList = tables.stream()
.map(t -> new TableReferenceNode<DorisExpression, DorisTable>(t)).collect(Collectors.toList());
List<Node<DorisExpression>> joins = DorisJoin.getJoins(tableList, state);
int secondCount = getUnoptimizedQueryCount(tableList.stream().collect(Collectors.toList()),
randomWhereCondition, joins);
int firstCount = getOptimizedQueryCount(con, tableList.stream().collect(Collectors.toList()), columns,
randomWhereCondition, joins);
if (firstCount == -1 || secondCount == -1) {
throw new IgnoreMeException();
}
if (firstCount != secondCount) {
throw new AssertionError(
optimizedQueryString + "; -- " + firstCount + "\n" + unoptimizedQueryString + " -- " + secondCount);
}
}
private int getUnoptimizedQueryCount(List<Node<DorisExpression>> tableList,
Node<DorisExpression> randomWhereCondition, List<Node<DorisExpression>> joins) throws SQLException {
DorisSelect select = new DorisSelect();
Node<DorisExpression> asText = new NewPostfixTextNode<>(new DorisCastOperation(
new NewPostfixTextNode<DorisExpression>(randomWhereCondition,
" IS NOT NULL AND " + DorisToStringVisitor.asString(randomWhereCondition)),
new DorisCompositeDataType(DorisDataType.INT, 8)), "as count");
select.setFetchColumns(Arrays.asList(asText));
select.setFromList(tableList);
select.setJoinList(joins);
int secondCount = 0;
unoptimizedQueryString = "SELECT SUM(count) FROM (" + DorisToStringVisitor.asString(select) + ") as res";
SQLQueryAdapter q = new SQLQueryAdapter(unoptimizedQueryString, errors);
SQLancerResultSet rs;
try {
rs = q.executeAndGetLogged(state);
} catch (Exception e) {
throw new AssertionError(unoptimizedQueryString, e);
}
if (rs == null) {
return -1;
}
if (rs.next()) {
secondCount += rs.getLong(1);
}
rs.close();
return secondCount;
}
private int getOptimizedQueryCount(SQLConnection con, List<Node<DorisExpression>> tableList,
List<DorisColumn> columns, Node<DorisExpression> randomWhereCondition, List<Node<DorisExpression>> joins)
throws SQLException {
DorisSelect select = new DorisSelect();
// select.setGroupByClause(groupBys);
List<Node<DorisExpression>> allColumns = columns.stream()
.map((c) -> new ColumnReferenceNode<DorisExpression, DorisColumn>(c)).collect(Collectors.toList());
select.setFetchColumns(allColumns);
select.setFromList(tableList);
select.setWhereClause(randomWhereCondition);
if (Randomly.getBooleanWithSmallProbability()) {
List<Node<DorisExpression>> constants = new ArrayList<>();
constants.add(
new DorisConstant.DorisIntConstant(Randomly.smallNumber() % select.getFetchColumns().size() + 1));
select.setOrderByClauses(constants);
}
select.setJoinList(joins);
int firstCount = 0;
try (Statement stat = con.createStatement()) {
optimizedQueryString = DorisToStringVisitor.asString(select);
if (options.logEachSelect()) {
logger.writeCurrent(optimizedQueryString);
}
try (ResultSet rs = stat.executeQuery(optimizedQueryString)) {
while (rs.next()) {
firstCount++;
}
}
} catch (SQLException e) {
throw new IgnoreMeException();
}
return firstCount;
}
}