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DuckDBNoRECOracle.java
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137 lines (128 loc) · 6.14 KB
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package sqlancer.duckdb.test;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
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.duckdb.DuckDBErrors;
import sqlancer.duckdb.DuckDBProvider.DuckDBGlobalState;
import sqlancer.duckdb.DuckDBSchema;
import sqlancer.duckdb.DuckDBSchema.DuckDBColumn;
import sqlancer.duckdb.DuckDBSchema.DuckDBCompositeDataType;
import sqlancer.duckdb.DuckDBSchema.DuckDBDataType;
import sqlancer.duckdb.DuckDBSchema.DuckDBTable;
import sqlancer.duckdb.DuckDBSchema.DuckDBTables;
import sqlancer.duckdb.DuckDBToStringVisitor;
import sqlancer.duckdb.ast.DuckDBExpression;
import sqlancer.duckdb.ast.DuckDBJoin;
import sqlancer.duckdb.ast.DuckDBSelect;
import sqlancer.duckdb.gen.DuckDBExpressionGenerator;
import sqlancer.duckdb.gen.DuckDBExpressionGenerator.DuckDBCastOperation;
public class DuckDBNoRECOracle extends NoRECBase<DuckDBGlobalState> implements TestOracle {
private final DuckDBSchema s;
public DuckDBNoRECOracle(DuckDBGlobalState globalState) {
super(globalState);
this.s = globalState.getSchema();
DuckDBErrors.addExpressionErrors(errors);
}
@Override
public void check() throws SQLException {
DuckDBTables randomTables = s.getRandomTableNonEmptyTables();
List<DuckDBColumn> columns = randomTables.getColumns();
DuckDBExpressionGenerator gen = new DuckDBExpressionGenerator(state).setColumns(columns);
Node<DuckDBExpression> randomWhereCondition = gen.generateExpression();
List<DuckDBTable> tables = randomTables.getTables();
List<TableReferenceNode<DuckDBExpression, DuckDBTable>> tableList = tables.stream()
.map(t -> new TableReferenceNode<DuckDBExpression, DuckDBTable>(t)).collect(Collectors.toList());
List<Node<DuckDBExpression>> joins = DuckDBJoin.getJoins(tableList, state);
int secondCount = getSecondQuery(tableList.stream().collect(Collectors.toList()), randomWhereCondition, joins);
int firstCount = getFirstQueryCount(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 getSecondQuery(List<Node<DuckDBExpression>> tableList, Node<DuckDBExpression> randomWhereCondition,
List<Node<DuckDBExpression>> joins) throws SQLException {
DuckDBSelect select = new DuckDBSelect();
// select.setGroupByClause(groupBys);
// DuckDBExpression isTrue = DuckDBPostfixOperation.create(randomWhereCondition,
// PostfixOperator.IS_TRUE);
Node<DuckDBExpression> asText = new NewPostfixTextNode<>(new DuckDBCastOperation(
new NewPostfixTextNode<DuckDBExpression>(randomWhereCondition,
" IS NOT NULL AND " + DuckDBToStringVisitor.asString(randomWhereCondition)),
new DuckDBCompositeDataType(DuckDBDataType.INT, 8)), "as count");
select.setFetchColumns(Arrays.asList(asText));
select.setFromList(tableList);
// select.setSelectType(SelectType.ALL);
select.setJoinList(joins);
int secondCount = 0;
unoptimizedQueryString = "SELECT SUM(count) FROM (" + DuckDBToStringVisitor.asString(select) + ") as res";
errors.add("canceling statement due to statement timeout");
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 getFirstQueryCount(SQLConnection con, List<Node<DuckDBExpression>> tableList,
List<DuckDBColumn> columns, Node<DuckDBExpression> randomWhereCondition, List<Node<DuckDBExpression>> joins)
throws SQLException {
DuckDBSelect select = new DuckDBSelect();
// select.setGroupByClause(groupBys);
// DuckDBAggregate aggr = new DuckDBAggregate(
List<Node<DuckDBExpression>> allColumns = columns.stream()
.map((c) -> new ColumnReferenceNode<DuckDBExpression, DuckDBColumn>(c)).collect(Collectors.toList());
// DuckDBAggregateFunction.COUNT);
// select.setFetchColumns(Arrays.asList(aggr));
select.setFetchColumns(allColumns);
select.setFromList(tableList);
select.setWhereClause(randomWhereCondition);
if (Randomly.getBooleanWithSmallProbability()) {
select.setOrderByExpressions(new DuckDBExpressionGenerator(state).setColumns(columns).generateOrderBys());
}
// select.setSelectType(SelectType.ALL);
select.setJoinList(joins);
int firstCount = 0;
try (Statement stat = con.createStatement()) {
optimizedQueryString = DuckDBToStringVisitor.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;
}
}