// GroupBy group by clause
type GroupBy struct {
	Columns []Column
	Having  []Expression
}

// Name from clause name
func (groupBy GroupBy) Name() string {
	return "GROUP BY"
}

// Build build group by clause
func (groupBy GroupBy) Build(builder Builder) {
	for idx, column := range groupBy.Columns {
		if idx > 0 {
			builder.WriteByte(',')
		}

		builder.WriteQuoted(column)
	}

	if len(groupBy.Having) > 0 {

 */
package org.codelibs.fess.opensearch.user.cbean;

import org.codelibs.fess.opensearch.user.cbean.bs.BsGroupCB;

/**
 * @author ESFlute (using FreeGen)
 */
public class GroupCB extends BsGroupCB {

    //                                                                             Control
    //                                                                             =======
    @Override
    public GroupDbm asDBMeta() {
        return GroupDbm.getInstance();
    }

    @Override
    public String asTableDbName() {
        return "group";
    }

    @Override
    public boolean hasSpecifiedColumn() {

		t.Errorf("no error should happen, but got %v", err)
	}

	if name != "groupby" || total != 60 {
		t.Errorf("name should be groupby, but got %v, total should be 60, but got %v", name, total)
	}

	if err := DB.Model(&User{}).Select("name, sum(age)").Where("name = ?", "groupby").Group("users.name").Row().Scan(&name, &total); err != nil {

	}{
		{
			[]clause.Interface{clause.Select{}, clause.From{}, clause.GroupBy{
				Columns: []clause.Column{{Name: "role"}},
				Having:  []clause.Expression{clause.Eq{"role", "admin"}},
			}},
			"SELECT * FROM `users` GROUP BY `role` HAVING `role` = ?",
			[]interface{}{"admin"},
		},
		{
			[]clause.Interface{clause.Select{}, clause.From{}, clause.GroupBy{
				Columns: []clause.Column{{Name: "role"}},

            .groupBy { "${it.major}.${it.minor}" }
            .map { (_, v) -> v.maxOrNull()!!.format() }

        // Limit to first and last release of each major version
        mainTestedVersions = testedVersions.map { VersionNumber.parse(it.gradleVersion().version) }
            .groupBy { it.major }
            .map { (_, v) -> listOf(v.maxOrNull()!!.format()) }.flatten()

.
 | map(select(.unitTests) | .name)
 | to_entries
 | group_by(.key % 10)
 | map({
     name: map(.value) | join(", "),
     tasks: map(.value + ":test") | join(" "),

import org.codelibs.core.beans.util.BeanUtil;
import org.codelibs.fess.Constants;
import org.codelibs.fess.app.pager.GroupPager;
import org.codelibs.fess.mylasta.direction.FessConfig;
import org.codelibs.fess.opensearch.user.cbean.GroupCB;
import org.codelibs.fess.opensearch.user.exbhv.GroupBhv;
import org.codelibs.fess.opensearch.user.exbhv.UserBhv;
import org.codelibs.fess.opensearch.user.exentity.Group;
import org.codelibs.fess.util.ComponentUtil;

                "Minimum supported '$minimumSupported' was not found in available versions: $allVersions"
            }
            val versionsByMinor = allVersions
                .groupBy { it.take(3) } // e.g. 1.9
                .toSortedMap()
            val latests = buildList {
                versionsByMinor.entries.forEachIndexed { idx, entry ->

            val packageName = packageLineRegex.find(packageLine)!!.groupValues[1]
            results.add(packageName to packageInfoFile.relativeTo(baseDir).path)
        }

        val outputData = results.groupBy(keySelector = { it.first }, valueTransform = { it.second })
        outputFile.get().asFile.writeText(Gson().toJson(outputData))
    }