Examples with ProjectionPlanNode org.voltdb.plannodes.ProjectionPlanNode used on opensource projects

Example 41 with ProjectionPlanNode

use of org.voltdb.plannodes.ProjectionPlanNode in project voltdb by VoltDB.

the class TestPlansScalarSubQueries method testSelectCorrelatedScalarWithGroupby.

public void testSelectCorrelatedScalarWithGroupby() {
    String sql = "select franchise_id, count(*) as stores_in_category_AdHoc, " + " (select category from store_types where type_id = stores.type_id) as store_category " + "from stores group by franchise_id, type_id;";
    AbstractPlanNode pn = compile(sql);
    pn = pn.getChild(0);
    assertTrue(pn instanceof ProjectionPlanNode);
    NodeSchema schema = pn.getOutputSchema();
    assertEquals(3, schema.size());
    SchemaColumn col = schema.getColumns().get(2);
    assertTrue(col != null);
    assertEquals("STORE_CATEGORY", col.getColumnName());
    assertTrue(col.getExpression() instanceof ScalarValueExpression);
    pn = pn.getChild(0);
    assertTrue(pn instanceof AbstractScanPlanNode);
    assertNotNull(pn.getInlinePlanNode(PlanNodeType.HASHAGGREGATE));
}

Example 42 with ProjectionPlanNode

use of org.voltdb.plannodes.ProjectionPlanNode in project voltdb by VoltDB.

the class TestPlansScalarSubQueries method testSelectCorrelatedScalarInGroupbyClause.

public void testSelectCorrelatedScalarInGroupbyClause() {
    String sql = "select franchise_id, count(*) as stores_in_category_AdHoc " + " from stores group by franchise_id, (select category from store_types where type_id = stores.type_id);";
    AbstractPlanNode pn = compile(sql);
    pn = pn.getChild(0);
    assertTrue(pn instanceof ProjectionPlanNode);
    NodeSchema schema = pn.getOutputSchema();
    assertEquals(2, schema.size());
    pn = pn.getChild(0);
    assertTrue(pn instanceof AbstractScanPlanNode);
    assertNotNull(pn.getInlinePlanNode(PlanNodeType.HASHAGGREGATE));
    HashAggregatePlanNode aggNode = (HashAggregatePlanNode) pn.getInlinePlanNode(PlanNodeType.HASHAGGREGATE);
    assertEquals(2, aggNode.getGroupByExpressionsSize());
    AbstractExpression tveExpr = aggNode.getGroupByExpressions().get(0);
    assertTrue(tveExpr instanceof TupleValueExpression);
    AbstractExpression gbExpr = aggNode.getGroupByExpressions().get(1);
    assertTrue(gbExpr instanceof ScalarValueExpression);
    assertTrue(gbExpr.getLeft() instanceof SelectSubqueryExpression);
}

Example 43 with ProjectionPlanNode

use of org.voltdb.plannodes.ProjectionPlanNode in project voltdb by VoltDB.

the class TestPlansLimit method checkInlineLimitAndOrderbyWithReceive.

private void checkInlineLimitAndOrderbyWithReceive(List<AbstractPlanNode> pns, boolean pushdown) {
    AbstractPlanNode p;
    p = pns.get(0).getChild(0);
    assertTrue(p instanceof ProjectionPlanNode);
    p = p.getChild(0);
    assertTrue(p instanceof MergeReceivePlanNode);
    assertNotNull(p.getInlinePlanNode(PlanNodeType.LIMIT));
    assertNotNull(p.getInlinePlanNode(PlanNodeType.ORDERBY));
    if (pushdown) {
        assertEquals(2, pns.size());
        p = pns.get(1).getChild(0);
        assertTrue(p instanceof OrderByPlanNode);
        assertNotNull(p.getInlinePlanNode(PlanNodeType.LIMIT));
    } else if (pns.size() == 2) {
        p = pns.get(1).getChild(0);
        assertFalse(p.toExplainPlanString().toLowerCase().contains("limit"));
    }
}

Example 44 with ProjectionPlanNode

use of org.voltdb.plannodes.ProjectionPlanNode in project voltdb by VoltDB.

the class TestPlansSubQueries method checkReplicatedOne.

private void checkReplicatedOne(String sql) {
    AbstractPlanNode pn;
    List<AbstractPlanNode> planNodes;
    AbstractPlanNode nlpn;
    planNodes = compileToFragments(sql);
    assertEquals(1, planNodes.size());
    pn = planNodes.get(0);
    assertTrue(pn instanceof SendPlanNode);
    pn = pn.getChild(0);
    assertTrue(pn instanceof ProjectionPlanNode);
    nlpn = pn.getChild(0);
    assertTrue(nlpn instanceof NestLoopPlanNode);
}

Example 45 with ProjectionPlanNode

use of org.voltdb.plannodes.ProjectionPlanNode in project voltdb by VoltDB.

the class TestPlansGroupBy method testEdgeComplexRelatedCases.

public void testEdgeComplexRelatedCases() {
    List<AbstractPlanNode> pns;
    pns = compileToFragments("select PKEY+A1 from T1 Order by PKEY+A1");
    AbstractPlanNode p = pns.get(0).getChild(0);
    assertTrue(p instanceof ProjectionPlanNode);
    assertTrue(p.getChild(0) instanceof OrderByPlanNode);
    assertTrue(p.getChild(0).getChild(0) instanceof ReceivePlanNode);
    p = pns.get(1).getChild(0);
    assertTrue(p instanceof AbstractScanPlanNode);
    // Useless order by clause.
    pns = compileToFragments("SELECT count(*)  FROM P1 order by PKEY");
    p = pns.get(0).getChild(0);
    assertTrue(p instanceof AggregatePlanNode);
    assertTrue(p.getChild(0) instanceof ReceivePlanNode);
    p = pns.get(1).getChild(0);
    assertTrue(p instanceof AbstractScanPlanNode);
    pns = compileToFragments("SELECT A1, count(*) as tag FROM P1 group by A1 order by tag, A1 limit 1");
    p = pns.get(0).getChild(0);
    // ENG-5066: now Limit is pushed under Projection
    // Limit is also inlined with Orderby node
    assertTrue(p instanceof ProjectionPlanNode);
    p = p.getChild(0);
    assertTrue(p instanceof OrderByPlanNode);
    assertNotNull(p.getInlinePlanNode(PlanNodeType.LIMIT));
    assertTrue(p.getChild(0) instanceof AggregatePlanNode);
    p = pns.get(1).getChild(0);
    // inline aggregate
    assertTrue(p instanceof AbstractScanPlanNode);
    assertNotNull(p.getInlinePlanNode(PlanNodeType.HASHAGGREGATE));
    pns = compileToFragments("SELECT F_D1, count(*) as tag FROM RF group by F_D1 order by tag");
    p = pns.get(0).getChild(0);
    //* enable to debug */ System.out.println("DEBUG: " + p.toExplainPlanString());
    assertTrue(p instanceof ProjectionPlanNode);
    p = p.getChild(0);
    assertTrue(p instanceof OrderByPlanNode);
    p = p.getChild(0);
    assertTrue(p instanceof IndexScanPlanNode);
    assertNotNull(p.getInlinePlanNode(PlanNodeType.AGGREGATE));
    pns = compileToFragments("SELECT F_D1, count(*) FROM RF group by F_D1 order by 2");
    p = pns.get(0).getChild(0);
    //* enable to debug */ System.out.println("DEBUG: " + p.toExplainPlanString());
    assertTrue(p instanceof ProjectionPlanNode);
    p = p.getChild(0);
    assertTrue(p instanceof OrderByPlanNode);
    p = p.getChild(0);
    assertTrue(p instanceof IndexScanPlanNode);
    assertNotNull(p.getInlinePlanNode(PlanNodeType.AGGREGATE));
}