Examples with HepProgramBuilder org.apache.calcite.plan.hep.HepProgramBuilder used on opensource projects

Example 1 with HepProgramBuilder

use of org.apache.calcite.plan.hep.HepProgramBuilder in project calcite by apache.

the class HepPlannerTest method checkRuleApplyCount.

private long checkRuleApplyCount(HepMatchOrder matchOrder) {
    final HepProgramBuilder programBuilder = HepProgram.builder();
    programBuilder.addMatchOrder(matchOrder);
    programBuilder.addRuleInstance(ReduceExpressionsRule.FILTER_INSTANCE);
    programBuilder.addRuleInstance(ReduceExpressionsRule.PROJECT_INSTANCE);
    final HepTestListener listener = new HepTestListener(0);
    HepPlanner planner = new HepPlanner(programBuilder.build());
    planner.addListener(listener);
    planner.setRoot(tester.convertSqlToRel(COMPLEX_UNION_TREE).rel);
    planner.findBestExp();
    return listener.getApplyTimes();
}

Example 2 with HepProgramBuilder

use of org.apache.calcite.plan.hep.HepProgramBuilder in project calcite by apache.

the class HepPlannerTest method testGC.

@Test
public void testGC() throws Exception {
    HepProgramBuilder programBuilder = HepProgram.builder();
    programBuilder.addMatchOrder(HepMatchOrder.TOP_DOWN);
    programBuilder.addRuleInstance(CalcMergeRule.INSTANCE);
    programBuilder.addRuleInstance(ProjectToCalcRule.INSTANCE);
    programBuilder.addRuleInstance(FilterToCalcRule.INSTANCE);
    HepPlanner planner = new HepPlanner(programBuilder.build());
    planner.setRoot(tester.convertSqlToRel("select upper(name) from dept where deptno=20").rel);
    planner.findBestExp();
    // Reuse of HepPlanner (should trigger GC).
    planner.setRoot(tester.convertSqlToRel("select upper(name) from dept where deptno=20").rel);
    planner.findBestExp();
}

Example 3 with HepProgramBuilder

use of org.apache.calcite.plan.hep.HepProgramBuilder in project calcite by apache.

the class HepPlannerTest method testMatchLimitOneBottomUp.

@Test
public void testMatchLimitOneBottomUp() throws Exception {
    // Verify that only the bottom union gets rewritten.
    HepProgramBuilder programBuilder = HepProgram.builder();
    programBuilder.addMatchLimit(1);
    programBuilder.addMatchOrder(HepMatchOrder.BOTTOM_UP);
    programBuilder.addRuleInstance(UnionToDistinctRule.INSTANCE);
    checkPlanning(programBuilder.build(), UNION_TREE);
}

Example 4 with HepProgramBuilder

use of org.apache.calcite.plan.hep.HepProgramBuilder in project calcite by apache.

the class HepPlannerTest method testMatchUntilFixpoint.

@Test
public void testMatchUntilFixpoint() throws Exception {
    // Verify that both unions get rewritten.
    HepProgramBuilder programBuilder = HepProgram.builder();
    programBuilder.addMatchLimit(HepProgram.MATCH_UNTIL_FIXPOINT);
    programBuilder.addRuleInstance(UnionToDistinctRule.INSTANCE);
    checkPlanning(programBuilder.build(), UNION_TREE);
}

Example 5 with HepProgramBuilder

use of org.apache.calcite.plan.hep.HepProgramBuilder in project calcite by apache.

the class HepPlannerTest method testGroup.

@Test
public void testGroup() throws Exception {
    // Verify simultaneous application of a group of rules.
    // Intentionally add them in the wrong order to make sure
    // that order doesn't matter within the group.
    HepProgramBuilder programBuilder = HepProgram.builder();
    programBuilder.addGroupBegin();
    programBuilder.addRuleInstance(CalcMergeRule.INSTANCE);
    programBuilder.addRuleInstance(ProjectToCalcRule.INSTANCE);
    programBuilder.addRuleInstance(FilterToCalcRule.INSTANCE);
    programBuilder.addGroupEnd();
    checkPlanning(programBuilder.build(), "select upper(name) from dept where deptno=20");
}