================================================================================
Table: billiards_dwd.dim_assistant
Primary Key: assistant_id, scd2_start_time
================================================================================

## COLUMNS
--------------------------------------------------------------------------------
assistant_id: bigint | nullable=NO | PK
user_id: bigint | nullable=YES | 
assistant_no: text | nullable=YES | 
real_name: text | nullable=YES | 
nickname: text | nullable=YES | 
mobile: text | nullable=YES | 
tenant_id: bigint | nullable=YES | 
site_id: bigint | nullable=YES | 
team_id: bigint | nullable=YES | 
team_name: text | nullable=YES | 
level: integer | nullable=YES | 
entry_time: timestamp with time zone | nullable=YES | 
resign_time: timestamp with time zone | nullable=YES | 
leave_status: integer | nullable=YES | 
assistant_status: integer | nullable=YES | 
scd2_start_time: timestamp with time zone | nullable=NO | PK
scd2_end_time: timestamp with time zone | nullable=YES | 
scd2_is_current: integer | nullable=YES | 
scd2_version: integer | nullable=YES | 

## VALUE ANALYSIS (for enum detection)
--------------------------------------------------------------------------------

assistant_id:
  Total: 69, Non-null: 69, Distinct: 69
  Top values:
    2793528386048069: 1
    2967523548220229: 1
    3021267412585413: 1
    2907972756342981: 1
    2793532503855173: 1
    2981625091950725: 1
    3058170108874053: 1
    2859886363986821: 1
    2795061580517445: 1
    3021271397288901: 1
    2964640248745157: 1
    2907961535433285: 1
    2968952636082757: 1
    2946266869435205: 1
    2793399247179845: 1

user_id:
  Total: 69, Non-null: 69, Distinct: 1
  *** LIKELY ENUM (distinct <= 15) ***
  Top values:
    0: 69

assistant_no:
  Total: 69, Non-null: 69, Distinct: 42
  Top values:
    11: 4
    10: 4
    7: 4
    22: 3
    13: 3
    38: 3
    27: 3
    3: 3
    16: 2
    28: 2
    12: 2
    30: 2
    1: 2
    8: 2
    29: 2

real_name:
  Total: 69, Non-null: 69, Distinct: 68
  Top values:
    梁婷婷: 2
    覃咏欣: 1
    向国锐: 1
    郑美婷: 1
    赵思源: 1
    李楚欣: 1
    杨小满: 1
    吴丹妮: 1
    黄月柳: 1
    卢曼瑶: 1
    宋家宇: 1
    田茂楠: 1
    王嘉琪: 1
    李萍: 1
    张芳梅: 1

nickname:
  Total: 69, Non-null: 69, Distinct: 68
  Top values:
    柚子: 2
    Amy: 1
    梦梦: 1
    乔西: 1
    一一: 1
    菲菲: 1
    布丁: 1
    椰椰: 1
    小唯: 1
    饭团: 1
    周周: 1
    凤梨: 1
    小向: 1
    小崔: 1
    甜甜: 1

mobile:
  Total: 69, Non-null: 69, Distinct: 68
  Top values:
    17811423992: 2
    15675487204: 1
    13790128037: 1
    13143526347: 1
    15213282732: 1
    18529341883: 1
    13336435390: 1
    19024752286: 1
    15760674807: 1
    15113501901: 1
    13042004215: 1
    13286525485: 1
    13537431206: 1
    19974234385: 1
    15815080450: 1

tenant_id:
  Total: 69, Non-null: 69, Distinct: 1
  *** LIKELY ENUM (distinct <= 15) ***
  Top values:
    2790683160709957: 69

site_id:
  Total: 69, Non-null: 69, Distinct: 1
  *** LIKELY ENUM (distinct <= 15) ***
  Top values:
    2790685415443269: 69

team_id:
  Total: 69, Non-null: 69, Distinct: 2
  *** LIKELY ENUM (distinct <= 15) ***
  Top values:
    2792011585884037: 52
    2959085810992645: 17

team_name:
  Total: 69, Non-null: 69, Distinct: 2
  *** LIKELY ENUM (distinct <= 15) ***
  Top values:
    1组: 52
    2组: 17

level:
  Total: 69, Non-null: 69, Distinct: 5
  *** LIKELY ENUM (distinct <= 15) ***
  Top values:
    10: 32
    20: 28
    30: 4
    40: 4
    8: 1

leave_status:
  Total: 69, Non-null: 69, Distinct: 2
  *** LIKELY ENUM (distinct <= 15) ***
  Top values:
    1: 40
    0: 29

assistant_status:
  Total: 69, Non-null: 69, Distinct: 2
  *** LIKELY ENUM (distinct <= 15) ***
  Top values:
    1: 64
    2: 5

scd2_is_current:
  Total: 69, Non-null: 69, Distinct: 1
  *** LIKELY ENUM (distinct <= 15) ***
  Top values:
    1: 69

scd2_version:
  Total: 69, Non-null: 69, Distinct: 1
  *** LIKELY ENUM (distinct <= 15) ***
  Top values:
    1: 69

## SAMPLE DATA (first 10 rows)
--------------------------------------------------------------------------------
Columns: ['assistant_id', 'user_id', 'assistant_no', 'real_name', 'nickname', 'mobile', 'tenant_id', 'site_id', 'team_id', 'team_name', 'level', 'entry_time', 'resign_time', 'leave_status', 'assistant_status', 'scd2_start_time', 'scd2_end_time', 'scd2_is_current', 'scd2_version']

Row 1:
  assistant_id: 2946261384596293
  user_id: 0
  assistant_no: 7
  real_name: 梁婷婷
  nickname: 柚子
  mobile: 17811423992
  tenant_id: 2790683160709957
  site_id: 2790685415443269
  team_id: 2959085810992645
  team_name: 2组
  level: 20
  entry_time: 2025-11-01 08:00:00+08:00
  resign_time: 2025-12-01 08:00:00+08:00
  leave_status: 1
  assistant_status: 1
  scd2_start_time: 2025-12-14 21:20:28.731914+08:00
  scd2_end_time: 9999-12-31 00:00:00+08:00
  scd2_is_current: 1
  scd2_version: 1

Row 2:
  assistant_id: 2929246850797189
  user_id: 0
  assistant_no: 38
  real_name: 陈冰淼
  nickname: 希希
  mobile: 18172319817
  tenant_id: 2790683160709957
  site_id: 2790685415443269
  team_id: 2792011585884037
  team_name: 1组
  level: 10
  entry_time: 2025-10-20 08:00:00+08:00
  resign_time: 2025-11-10 08:00:00+08:00
  leave_status: 1
  assistant_status: 1
  scd2_start_time: 2025-12-14 21:20:28.731914+08:00
  scd2_end_time: 9999-12-31 00:00:00+08:00
  scd2_is_current: 1
  scd2_version: 1

Row 3:
  assistant_id: 2920786464294661
  user_id: 0
  assistant_no: 16
  real_name: 周佳怡
  nickname: 周周
  mobile: 19874278725
  tenant_id: 2790683160709957
  site_id: 2790685415443269
  team_id: 2792011585884037
  team_name: 1组
  level: 10
  entry_time: 2025-10-14 08:00:00+08:00
  resign_time: 2225-10-14 17:57:40+08:00
  leave_status: 0
  assistant_status: 1
  scd2_start_time: 2025-12-14 21:20:28.731914+08:00
  scd2_end_time: 9999-12-31 00:00:00+08:00
  scd2_is_current: 1
  scd2_version: 1

Row 4:
  assistant_id: 2920799537645381
  user_id: 0
  assistant_no: 10
  real_name: 谭思燕
  nickname: 欣怡
  mobile: 13143526347
  tenant_id: 2790683160709957
  site_id: 2790685415443269
  team_id: 2792011585884037
  team_name: 1组
  level: 20
  entry_time: 2025-10-14 08:00:00+08:00
  resign_time: 2025-11-10 08:00:00+08:00
  leave_status: 1
  assistant_status: 1
  scd2_start_time: 2025-12-14 21:20:28.731914+08:00
  scd2_end_time: 9999-12-31 00:00:00+08:00
  scd2_is_current: 1
  scd2_version: 1

Row 5:
  assistant_id: 2907961535433285
  user_id: 0
  assistant_no: 25
  real_name: 林雨琪
  nickname: 琪琪
  mobile: 18575917075
  tenant_id: 2790683160709957
  site_id: 2790685415443269
  team_id: 2792011585884037
  team_name: 1组
  level: 20
  entry_time: 2025-10-05 08:00:00+08:00
  resign_time: 2025-10-13 08:00:00+08:00
  leave_status: 1
  assistant_status: 1
  scd2_start_time: 2025-12-14 21:20:28.731914+08:00
  scd2_end_time: 9999-12-31 00:00:00+08:00
  scd2_is_current: 1
  scd2_version: 1

Row 6:
  assistant_id: 2907972756342981
  user_id: 0
  assistant_no: 12
  real_name: 林梢熔
  nickname: 可可
  mobile: 15768442206
  tenant_id: 2790683160709957
  site_id: 2790685415443269
  team_id: 2792011585884037
  team_name: 1组
  level: 20
  entry_time: 2025-10-05 08:00:00+08:00
  resign_time: 2025-10-13 08:00:00+08:00
  leave_status: 1
  assistant_status: 1
  scd2_start_time: 2025-12-14 21:20:28.731914+08:00
  scd2_end_time: 9999-12-31 00:00:00+08:00
  scd2_is_current: 1
  scd2_version: 1

Row 7:
  assistant_id: 2889708249270149
  user_id: 0
  assistant_no: 22
  real_name: 张代悦
  nickname: 悦悦
  mobile: 18582838005
  tenant_id: 2790683160709957
  site_id: 2790685415443269
  team_id: 2792011585884037
  team_name: 1组
  level: 10
  entry_time: 2025-09-22 08:00:00+08:00
  resign_time: 2025-10-19 08:00:00+08:00
  leave_status: 1
  assistant_status: 1
  scd2_start_time: 2025-12-14 21:20:28.731914+08:00
  scd2_end_time: 9999-12-31 00:00:00+08:00
  scd2_is_current: 1
  scd2_version: 1

Row 8:
  assistant_id: 2866964303400005
  user_id: 0
  assistant_no: 10
  real_name: 王安琪
  nickname: 椰子
  mobile: 18026446974
  tenant_id: 2790683160709957
  site_id: 2790685415443269
  team_id: 2792011585884037
  team_name: 1组
  level: 20
  entry_time: 2025-09-06 08:00:00+08:00
  resign_time: 2025-09-13 08:00:00+08:00
  leave_status: 1
  assistant_status: 1
  scd2_start_time: 2025-12-14 21:20:28.731914+08:00
  scd2_end_time: 9999-12-31 00:00:00+08:00
  scd2_is_current: 1
  scd2_version: 1

Row 9:
  assistant_id: 2866961022749829
  user_id: 0
  assistant_no: 39
  real_name: 肖紫月
  nickname: 毛毛
  mobile: 15815080450
  tenant_id: 2790683160709957
  site_id: 2790685415443269
  team_id: 2792011585884037
  team_name: 1组
  level: 20
  entry_time: 2025-09-06 08:00:00+08:00
  resign_time: 2025-09-13 08:00:00+08:00
  leave_status: 1
  assistant_status: 1
  scd2_start_time: 2025-12-14 21:20:28.731914+08:00
  scd2_end_time: 9999-12-31 00:00:00+08:00
  scd2_is_current: 1
  scd2_version: 1

Row 10:
  assistant_id: 2866962315594885
  user_id: 0
  assistant_no: 11
  real_name: 田茂楠
  nickname: 甜甜
  mobile: 15329058634
  tenant_id: 2790683160709957
  site_id: 2790685415443269
  team_id: 2792011585884037
  team_name: 1组
  level: 10
  entry_time: 2025-09-06 08:00:00+08:00
  resign_time: 2025-09-07 08:00:00+08:00
  leave_status: 1
  assistant_status: 1
  scd2_start_time: 2025-12-14 21:20:28.731914+08:00
  scd2_end_time: 9999-12-31 00:00:00+08:00
  scd2_is_current: 1
  scd2_version: 1