Examples with HazelcastRelOptCluster org.apache.calcite.plan.HazelcastRelOptCluster used on opensource projects

Example 1 with HazelcastRelOptCluster

use of org.apache.calcite.plan.HazelcastRelOptCluster in project hazelcast by hazelcast.

the class OptimizerContext method createCluster.

private static HazelcastRelOptCluster createCluster(VolcanoPlanner planner, DistributionTraitDef distributionTraitDef) {
    HazelcastRelOptCluster cluster = HazelcastRelOptCluster.create(planner, HazelcastRexBuilder.INSTANCE, distributionTraitDef);
    // Wire up custom metadata providers.
    cluster.setMetadataProvider(JaninoRelMetadataProvider.of(METADATA_PROVIDER));
    return cluster;
}

Example 2 with HazelcastRelOptCluster

use of org.apache.calcite.plan.HazelcastRelOptCluster in project hazelcast by hazelcast.

the class SlidingWindow method windowPolicyProvider.

public final FunctionEx<ExpressionEvalContext, SlidingWindowPolicy> windowPolicyProvider() {
    QueryParameterMetadata parameterMetadata = ((HazelcastRelOptCluster) getCluster()).getParameterMetadata();
    RexToExpressionVisitor visitor = new RexToExpressionVisitor(FAILING_FIELD_TYPE_PROVIDER, parameterMetadata);
    if (operator() == HazelcastSqlOperatorTable.TUMBLE) {
        Expression<?> windowSizeExpression = operand(2).accept(visitor);
        return context -> tumblingWinPolicy(WindowUtils.extractMillis(windowSizeExpression, context));
    } else if (operator() == HazelcastSqlOperatorTable.HOP) {
        Expression<?> windowSizeExpression = operand(2).accept(visitor);
        Expression<?> slideSizeExpression = operand(3).accept(visitor);
        return context -> slidingWinPolicy(WindowUtils.extractMillis(windowSizeExpression, context), WindowUtils.extractMillis(slideSizeExpression, context));
    } else {
        throw new IllegalArgumentException();
    }
}

Example 3 with HazelcastRelOptCluster

use of org.apache.calcite.plan.HazelcastRelOptCluster in project hazelcast by hazelcast.

the class SlidingWindowAggregatePhysicalRel method timestampExpression.

public Expression<?> timestampExpression() {
    QueryParameterMetadata parameterMetadata = ((HazelcastRelOptCluster) getCluster()).getParameterMetadata();
    RexVisitor<Expression<?>> visitor = OptUtils.createRexToExpressionVisitor(schema(parameterMetadata), parameterMetadata);
    return timestampExpression.accept(visitor);
}

Example 4 with HazelcastRelOptCluster

use of org.apache.calcite.plan.HazelcastRelOptCluster in project hazelcast by hazelcast.

the class OptimizerContext method create.

public static OptimizerContext create(HazelcastSchema rootSchema, List<List<String>> schemaPaths, List<Object> arguments, int memberCount, IMapResolver iMapResolver) {
    DistributionTraitDef distributionTraitDef = new DistributionTraitDef(memberCount);
    Prepare.CatalogReader catalogReader = createCatalogReader(rootSchema, schemaPaths);
    HazelcastSqlValidator validator = new HazelcastSqlValidator(catalogReader, arguments, iMapResolver);
    VolcanoPlanner volcanoPlanner = createPlanner(distributionTraitDef);
    HazelcastRelOptCluster cluster = createCluster(volcanoPlanner, distributionTraitDef);
    QueryParser parser = new QueryParser(validator);
    QueryConverter converter = new QueryConverter(validator, catalogReader, cluster);
    QueryPlanner planner = new QueryPlanner(volcanoPlanner);
    return new OptimizerContext(cluster, parser, converter, planner);
}