/**
* Copyright (C) 2009-2013 FoundationDB, LLC
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.foundationdb.server.test.it.qp;
import com.foundationdb.qp.expression.IndexBound;
import com.foundationdb.qp.expression.IndexKeyRange;
import com.foundationdb.qp.operator.API;
import com.foundationdb.qp.operator.Operator;
import com.foundationdb.qp.row.Row;
import com.foundationdb.qp.rowtype.IndexRowType;
import com.foundationdb.qp.rowtype.RowType;
import com.foundationdb.qp.rowtype.Schema;
import com.foundationdb.server.api.dml.ColumnSelector;
import com.foundationdb.server.api.dml.SetColumnSelector;
import com.foundationdb.server.test.ExpressionGenerators;
import org.junit.Ignore;
import org.junit.Test;
import static com.foundationdb.qp.operator.API.cursor;
import static com.foundationdb.qp.operator.API.indexScan_Default;
// Inspired by bug 1033754.
public class NonRootPKIndexScanIT extends OperatorITBase
{
@Override
protected void setupCreateSchema()
{
parent = createTable(
"schema", "parent",
"pid1 int not null",
"pid2 int not null",
"primary key(pid1, pid2)");
child = createTable(
"schema", "child",
"cid int not null",
"pid1 int",
"pid2 int",
"primary key(cid)",
"grouping foreign key (pid1, pid2) references parent(pid1, pid2)");
}
@Override
protected void setupPostCreateSchema()
{
parentRowType = schema.tableRowType(table(parent));
childRowType = schema.tableRowType(table(child));
childPKRowType = indexType(child, "cid");
db = new Row[] {
row(parent, 1L, 1L),
row(child, 11L, 1L, 1L),
row(child, 12L, 1L, 1L),
row(parent, 2L, 2L),
row(child, 21L, 2L, 2L),
row(child, 22L, 2L, 2L),
};
queryContext = queryContext(adapter);
queryBindings = queryContext.createBindings();
use(db);
}
@Test
public void testAtChildAtParentUnidirectional()
{
long[] childPKs = new long[] {11, 12, 21, 22};
int[] orderingMasks = new int[]{ALL_ASCENDING, ALL_DESCENDING};
for (int orderingMask : orderingMasks) {
for (long childPK : childPKs) {
long parentPK = childPK / 10;
IndexBound loBound = new IndexBound(row(childPKRowType, childPK, parentPK, parentPK), SELECTOR);
IndexBound hiBound = new IndexBound(row(childPKRowType, childPK, parentPK, parentPK), SELECTOR);
IndexKeyRange range = IndexKeyRange.bounded(childPKRowType, loBound, true, hiBound, true);
Operator plan = indexScan_Default(childPKRowType, range, ordering(orderingMask));
Row[] expected = new Row[] {
row(childRowType, childPK, parentPK, parentPK),
};
compareRows(expected, cursor(plan, queryContext, queryBindings));
}
}
}
@Test
public void testAtChildAfterParentUnidirectional()
{
long[] childPKs = new long[] {11, 12, 21, 22};
int[] orderingMasks = new int[]{ALL_ASCENDING, ALL_DESCENDING};
for (int orderingMask : orderingMasks) {
// Empty due to pid1
for (long childPK : childPKs) {
long parentPK = childPK / 10;
IndexBound loBound = new IndexBound(row(childPKRowType, childPK, parentPK + 1, parentPK + 1), SELECTOR);
IndexBound hiBound = new IndexBound(row(childPKRowType, childPK, parentPK + 1, parentPK + 1), SELECTOR);
IndexKeyRange range = IndexKeyRange.bounded(childPKRowType, loBound, true, hiBound, true);
Operator plan = indexScan_Default(childPKRowType, range, ordering(orderingMask));
Row[] expected = new Row[] {
};
compareRows(expected, cursor(plan, queryContext, queryBindings));
}
// Empty due to pid2
for (long childPK : childPKs) {
long parentPK = childPK / 10;
IndexBound loBound = new IndexBound(row(childPKRowType, childPK, parentPK, parentPK + 1), SELECTOR);
IndexBound hiBound = new IndexBound(row(childPKRowType, childPK, parentPK, parentPK + 1), SELECTOR);
IndexKeyRange range = IndexKeyRange.bounded(childPKRowType, loBound, true, hiBound, true);
Operator plan = indexScan_Default(childPKRowType, range, ordering(orderingMask));
Row[] expected = new Row[] {
};
compareRows(expected, cursor(plan, queryContext, queryBindings));
}
// Non-empty
for (long childPK : childPKs) {
long parentPK = childPK / 10;
IndexBound loBound = new IndexBound(row(childPKRowType, childPK, parentPK, parentPK), SELECTOR);
IndexBound hiBound = new IndexBound(row(childPKRowType, childPK, parentPK, parentPK + 1), SELECTOR);
IndexKeyRange range = IndexKeyRange.bounded(childPKRowType, loBound, true, hiBound, true);
Operator plan = indexScan_Default(childPKRowType, range, ordering(orderingMask));
Row[] expected = new Row[] {
row(childRowType, childPK, parentPK, parentPK),
};
compareRows(expected, cursor(plan, queryContext, queryBindings));
}
}
}
@Test
public void testAtChildBeforeParentUnidirectional()
{
long[] childPKs = new long[] {11, 12, 21, 22};
int[] orderingMasks = new int[]{ALL_ASCENDING, ALL_DESCENDING};
for (int orderingMask : orderingMasks) {
for (long childPK : childPKs) {
long parentPK = childPK / 10;
IndexBound loBound = new IndexBound(row(childPKRowType, childPK, parentPK, parentPK - 1), SELECTOR);
IndexBound hiBound = new IndexBound(row(childPKRowType, childPK, parentPK, parentPK), SELECTOR);
IndexKeyRange range = IndexKeyRange.bounded(childPKRowType, loBound, true, hiBound, true);
Operator plan = indexScan_Default(childPKRowType, range, ordering(orderingMask));
Row[] expected = new Row[] {
row(childRowType, childPK, parentPK, parentPK),
};
compareRows(expected, cursor(plan, queryContext, queryBindings));
}
}
}
private API.Ordering ordering(int mask)
{
API.Ordering ordering = new API.Ordering();
ordering.append(ExpressionGenerators.field(childPKRowType, 0), (mask & 0x1) != 0);
ordering.append(ExpressionGenerators.field(childPKRowType, 1), (mask & 0x2) != 0);
ordering.append(ExpressionGenerators.field(childPKRowType, 2), (mask & 0x4) != 0);
return ordering;
}
private static final int ALL_ASCENDING = 0x7;
private static final int ALL_DESCENDING = 0x0;
private static final ColumnSelector SELECTOR = new SetColumnSelector(0, 1, 2);
private int parent;
private int child;
private RowType parentRowType;
private RowType childRowType;
private IndexRowType childPKRowType;
}