TableCollectAndHookInitializer.java

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package org.apache.doris.nereids.jobs.executor;

import org.apache.doris.nereids.CascadesContext;
import org.apache.doris.nereids.jobs.rewrite.RewriteJob;
import org.apache.doris.nereids.rules.analysis.AddInitMaterializationHook;
import org.apache.doris.nereids.rules.analysis.CollectRelation;
import org.apache.doris.nereids.trees.plans.logical.LogicalView;

import com.google.common.collect.ImmutableSet;

import java.util.List;

/**
 * Bind symbols according to metadata in the catalog, perform semantic analysis, etc.
 * TODO: revisit the interface after subquery analysis is supported.
 */
public class TableCollectAndHookInitializer extends AbstractBatchJobExecutor {

    public static final List<RewriteJob> COLLECT_JOBS = buildCollectTableJobs();

    /**
     * constructor of Analyzer. For view, we only do bind relation since other analyze step will do by outer Analyzer.
     *
     * @param cascadesContext current context for analyzer
     */
    public TableCollectAndHookInitializer(CascadesContext cascadesContext) {
        super(cascadesContext);

    }

    @Override
    public List<RewriteJob> getJobs() {
        return COLLECT_JOBS;
    }

    /**
     * nereids analyze sql.
     */
    public void collect() {
        execute();
    }

    private static List<RewriteJob> buildCollectTableJobs() {
        return notTraverseChildrenOf(
                ImmutableSet.of(LogicalView.class),
                TableCollectAndHookInitializer::buildCollectorJobs
        );
    }

    private static List<RewriteJob> buildCollectorJobs() {
        return jobs(
                topDown(new AddInitMaterializationHook()),
                topDown(new CollectRelation())
        );
    }
}