添加speakerModel
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@@ -0,0 +1,31 @@
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package model
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import (
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"github.com/zeromicro/go-zero/core/stores/sqlx"
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)
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var _ MeetingModel = (*customMeetingModel)(nil)
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type (
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// MeetingModel is an interface to be customized, add more methods here,
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// and implement the added methods in customMeetingModel.
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MeetingModel interface {
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meetingModel
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withSession(session sqlx.Session) MeetingModel
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}
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customMeetingModel struct {
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*defaultMeetingModel
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}
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)
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// NewMeetingModel returns a model for the database table.
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func NewMeetingModel(conn sqlx.SqlConn) MeetingModel {
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return &customMeetingModel{
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defaultMeetingModel: newMeetingModel(conn),
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}
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}
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func (m *customMeetingModel) withSession(session sqlx.Session) MeetingModel {
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return NewMeetingModel(sqlx.NewSqlConnFromSession(session))
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}
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@@ -0,0 +1,123 @@
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// Code generated by goctl. DO NOT EDIT.
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// versions:
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// goctl version: 1.9.2
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package model
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import (
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"context"
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"database/sql"
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"fmt"
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"strings"
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"time"
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"github.com/zeromicro/go-zero/core/stores/builder"
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"github.com/zeromicro/go-zero/core/stores/sqlx"
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"github.com/zeromicro/go-zero/core/stringx"
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)
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var (
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meetingFieldNames = builder.RawFieldNames(&Meeting{})
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meetingRows = strings.Join(meetingFieldNames, ",")
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meetingRowsExpectAutoSet = strings.Join(stringx.Remove(meetingFieldNames, "`id`", "`create_at`", "`create_time`", "`created_at`", "`update_at`", "`update_time`", "`updated_at`"), ",")
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meetingRowsWithPlaceHolder = strings.Join(stringx.Remove(meetingFieldNames, "`id`", "`create_at`", "`create_time`", "`created_at`", "`update_at`", "`update_time`", "`updated_at`"), "=?,") + "=?"
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)
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type (
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meetingModel interface {
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Insert(ctx context.Context, data *Meeting) (sql.Result, error)
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FindOne(ctx context.Context, id int64) (*Meeting, error)
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Update(ctx context.Context, data *Meeting) error
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Delete(ctx context.Context, id int64) error
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FindPage(ctx context.Context, page, pageSize int) ([]*Meeting, int64, error)
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SoftDelete(ctx context.Context, id int64) error
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}
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defaultMeetingModel struct {
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conn sqlx.SqlConn
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table string
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}
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Meeting struct {
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Id int64 `db:"id"` // 会议ID(主键)
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Theme string `db:"theme"` // 会议主题
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Subtitle string `db:"subtitle"` // 会议副标题(允许为空)
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Intro sql.NullString `db:"intro"` // 会议简介(支持长文本,可存Markdown)
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CoverUrl string `db:"cover_url"` // 会议封面图片URL(允许为空)
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ScheduleImageUrl string `db:"schedule_image_url"` // 会议日程图片URL(允许为空,无日程图时存空字符串)
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StartTime time.Time `db:"start_time"` // 会议开始时间
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EndTime time.Time `db:"end_time"` // 会议结束时间
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CreateTime time.Time `db:"create_time"` // 创建时间
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UpdateTime time.Time `db:"update_time"` // 更新时间
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IsDelete int64 `db:"is_delete"` // 软删除(0-未删,1-已删)
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}
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)
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func newMeetingModel(conn sqlx.SqlConn) *defaultMeetingModel {
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return &defaultMeetingModel{
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conn: conn,
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table: "`meeting`",
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}
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}
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func (m *defaultMeetingModel) Delete(ctx context.Context, id int64) error {
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query := fmt.Sprintf("delete from %s where `id` = ?", m.table)
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_, err := m.conn.ExecCtx(ctx, query, id)
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return err
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}
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func (m *defaultMeetingModel) FindOne(ctx context.Context, id int64) (*Meeting, error) {
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query := fmt.Sprintf("select %s from %s where `id` = ? limit 1", meetingRows, m.table)
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var resp Meeting
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err := m.conn.QueryRowCtx(ctx, &resp, query, id)
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switch err {
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case nil:
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return &resp, nil
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case sqlx.ErrNotFound:
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return nil, ErrNotFound
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default:
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return nil, err
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}
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}
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func (m *defaultMeetingModel) Insert(ctx context.Context, data *Meeting) (sql.Result, error) {
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query := fmt.Sprintf("insert into %s (%s) values (?, ?, ?, ?, ?, ?, ?, ?)", m.table, meetingRowsExpectAutoSet)
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ret, err := m.conn.ExecCtx(ctx, query, data.Theme, data.Subtitle, data.Intro, data.CoverUrl, data.ScheduleImageUrl, data.StartTime, data.EndTime, data.IsDelete)
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return ret, err
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}
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func (m *defaultMeetingModel) Update(ctx context.Context, data *Meeting) error {
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query := fmt.Sprintf("update %s set %s where `id` = ?", m.table, meetingRowsWithPlaceHolder)
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_, err := m.conn.ExecCtx(ctx, query, data.Theme, data.Subtitle, data.Intro, data.CoverUrl, data.ScheduleImageUrl, data.StartTime, data.EndTime, data.IsDelete, data.Id)
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return err
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}
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func (m *defaultMeetingModel) FindPage(ctx context.Context, page, pageSize int) ([]*Meeting, int64, error) {
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// 计算偏移量(分页公式:offset = (page-1) * pageSize)
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offset := (page - 1) * pageSize
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// 1. 查询当前页数据(过滤软删除,按创建时间倒序,最新的在前)
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query := fmt.Sprintf("select %s from %s where is_delete = 0 order by create_time desc limit ?, ?", meetingRows, m.table)
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var meetings []*Meeting
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err := m.conn.QueryRowsCtx(ctx, &meetings, query, offset, pageSize)
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if err != nil {
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return nil, 0, err
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}
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// 2. 查询总条数(用于计算总页数)
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countQuery := fmt.Sprintf("select count(1) from %s where is_delete = 0", m.table)
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var total int64
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err = m.conn.QueryRowCtx(ctx, &total, countQuery)
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if err != nil {
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return nil, 0, err
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}
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return meetings, total, nil
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}
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func (m *defaultMeetingModel) SoftDelete(ctx context.Context, id int64) error {
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query := fmt.Sprintf("update %s set `is_delete` = 1 where `id` = ?", m.table)
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_, err := m.conn.ExecCtx(ctx, query, id)
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return err
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}
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func (m *defaultMeetingModel) tableName() string {
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return m.table
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}
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@@ -28,6 +28,8 @@ type (
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FindOne(ctx context.Context, id int64) (*MeetingSpeaker, error)
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Update(ctx context.Context, data *MeetingSpeaker) error
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Delete(ctx context.Context, id int64) error
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SoftDelete(ctx context.Context, id int64) (int64, error)
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ListByMeetingId(ctx context.Context, meetingId int64, page, pageSize int) ([]*MeetingSpeaker, int64, error)
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}
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defaultMeetingSpeakerModel struct {
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@@ -85,6 +87,50 @@ func (m *defaultMeetingSpeakerModel) Update(ctx context.Context, data *MeetingSp
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return err
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}
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func (m *defaultMeetingSpeakerModel) SoftDelete(ctx context.Context, id int64) (int64, error) {
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query := fmt.Sprintf(`
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update %s
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set is_delete=1
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where id=? and is_delete=0`, m.table)
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result, err := m.conn.ExecCtx(ctx, query, id)
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if err != nil {
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return 0, err
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}
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return result.RowsAffected() // 返回受影响行数,判断是否删除成功
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}
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func (m *defaultMeetingSpeakerModel) ListByMeetingId(ctx context.Context, meetingId int64, page, pageSize int) ([]*MeetingSpeaker, int64, error) {
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// 分页参数计算
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offset := (page - 1) * pageSize
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if offset < 0 {
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offset = 0
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}
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// 1. 查询当前页嘉宾数据(过滤软删除,按Sort升序,相同Sort按ID升序)
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query := fmt.Sprintf(`
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select %s from %s
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where meeting_id = ? and is_delete = 0
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order by sort asc, id asc
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limit ?, ?`, meetingSpeakerRows, m.table)
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var speakers []*MeetingSpeaker
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err := m.conn.QueryRowsCtx(ctx, &speakers, query, meetingId, offset, pageSize)
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if err != nil {
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return nil, 0, err
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}
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// 2. 查询该会议下未删除的嘉宾总条数(用于分页计算)
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countQuery := fmt.Sprintf(`
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select count(1) from %s
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where meeting_id = ? and is_delete = 0`, m.table)
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var total int64
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err = m.conn.QueryRowCtx(ctx, &total, countQuery, meetingId)
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if err != nil {
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return nil, 0, err
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}
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return speakers, total, nil
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}
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func (m *defaultMeetingSpeakerModel) tableName() string {
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return m.table
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}
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