PartitionsSysTable.java

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package org.apache.doris.datasource.systable;

import org.apache.doris.analysis.TableValuedFunctionRef;
import org.apache.doris.nereids.trees.expressions.functions.table.PartitionValues;
import org.apache.doris.nereids.trees.expressions.functions.table.TableValuedFunction;

import com.google.common.collect.Lists;
import com.google.common.collect.Maps;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;

import java.util.List;
import java.util.Map;

// table$partitions
public class PartitionsSysTable extends SysTable {
    private static final Logger LOG = LogManager.getLogger(PartitionsSysTable.class);

    public static final PartitionsSysTable INSTANCE = new PartitionsSysTable();

    private PartitionsSysTable() {
        super("partitions", "partition_values");
    }

    @Override
    public TableValuedFunction createFunction(String ctlName, String dbName, String sourceNameWithMetaName) {
        List<String> nameParts = Lists.newArrayList(ctlName, dbName,
                getSourceTableName(sourceNameWithMetaName));
        return PartitionValues.create(nameParts);
    }

    @Override
    public TableValuedFunctionRef createFunctionRef(String ctlName, String dbName, String sourceNameWithMetaName) {
        Map<String, String> params = Maps.newHashMap();
        params.put("catalog", ctlName);
        params.put("database", dbName);
        params.put("table", getSourceTableName(sourceNameWithMetaName));
        try {
            return new TableValuedFunctionRef(tvfName, null, params);
        } catch (org.apache.doris.common.AnalysisException e) {
            LOG.warn("should not happen. {}.{}.{}", ctlName, dbName, sourceNameWithMetaName);
            return null;
        }
    }
}