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package db.sql.api.impl.cmd.struct.update;


import db.sql.api.Cmd;
import db.sql.api.DbType;
import db.sql.api.SqlBuilderContext;
import db.sql.api.cmd.struct.update.IUpdateSets;
import db.sql.api.impl.cmd.basic.TableField;
import db.sql.api.impl.tookit.SqlConst;
import db.sql.api.tookit.CmdUtils;

import java.util.ArrayList;
import java.util.List;

public class UpdateSets implements IUpdateSets {

    private List updateSets;


    public UpdateSets set(TableField field, Cmd value) {
        if (this.updateSets == null) {
            this.updateSets = new ArrayList<>(6);
        }
        this.updateSets.add(new UpdateSet(field, value));
        return this;
    }

    @Override
    public List getUpdateSets() {
        return updateSets;
    }

    @Override
    public StringBuilder sql(Cmd module, Cmd parent, SqlBuilderContext context, StringBuilder sqlBuilder) {
        if (context.getDbType() == DbType.CLICK_HOUSE) {
            sqlBuilder.append(SqlConst.BLANK).append(SqlConst.UPDATE);
        } else {
            sqlBuilder.append(SqlConst.SET);
        }
        return CmdUtils.join(module, this, context, sqlBuilder, this.updateSets, SqlConst.DELIMITER);
    }

    @Override
    public boolean contain(Cmd cmd) {
        return CmdUtils.contain(cmd, this.updateSets);
    }
}