================================================================================
Table: billiards_dwd.dwd_refund
Primary Key: refund_id
================================================================================

## COLUMNS
--------------------------------------------------------------------------------
refund_id: bigint | nullable=NO | PK
tenant_id: bigint | nullable=YES | 
site_id: bigint | nullable=YES | 
relate_type: integer | nullable=YES | 
relate_id: bigint | nullable=YES | 
pay_amount: numeric(18,2) | nullable=YES | 
channel_fee: numeric(18,2) | nullable=YES | 
pay_time: timestamp with time zone | nullable=YES | 
create_time: timestamp with time zone | nullable=YES | 
payment_method: integer | nullable=YES | 
member_id: bigint | nullable=YES | 
member_card_id: bigint | nullable=YES | 

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

refund_id:
  Total: 45, Non-null: 45, Distinct: 45
  Top values:
    2899369734589381: 1
    2970732399348869: 1
    2985661358707397: 1
    2951883030513413: 1
    3038756832234821: 1
    2948269239095045: 1
    2967433935357637: 1
    3042871700817797: 1
    2931109065131653: 1
    2977293299926853: 1
    2919690732146181: 1
    3023410603902917: 1
    2990528572459717: 1
    3004097305612997: 1
    3005642933373061: 1

tenant_id:
  Total: 45, Non-null: 45, Distinct: 1
  *** LIKELY ENUM (distinct <= 15) ***
  Top values:
    2790683160709957: 45

site_id:
  Total: 45, Non-null: 45, Distinct: 1
  *** LIKELY ENUM (distinct <= 15) ***
  Top values:
    2790685415443269: 45

relate_type:
  Total: 45, Non-null: 45, Distinct: 3
  *** LIKELY ENUM (distinct <= 15) ***
  Top values:
    2: 31
    5: 7
    1: 7

relate_id:
  Total: 45, Non-null: 45, Distinct: 44
  Top values:
    2948246513454661: 2
    2970731884121221: 1
    2990525684091525: 1
    2974815237903237: 1
    2899368952286213: 1
    3001688743250949: 1
    3010369794509318: 1
    3005642658105477: 1
    2968954827492229: 1
    2914030720124357: 1
    3046931113969541: 1
    2931108522378885: 1
    3063630706494661: 1
    2955078219057349: 1
    3022919500843077: 1

payment_method:
  Total: 45, Non-null: 45, Distinct: 2
  *** LIKELY ENUM (distinct <= 15) ***
  Top values:
    4: 43
    2: 2

member_id:
  Total: 45, Non-null: 45, Distinct: 1
  *** LIKELY ENUM (distinct <= 15) ***
  Top values:
    0: 45

member_card_id:
  Total: 45, Non-null: 45, Distinct: 1
  *** LIKELY ENUM (distinct <= 15) ***
  Top values:
    0: 45

## SAMPLE DATA (first 10 rows)
--------------------------------------------------------------------------------
Columns: ['refund_id', 'tenant_id', 'site_id', 'relate_type', 'relate_id', 'pay_amount', 'channel_fee', 'pay_time', 'create_time', 'payment_method', 'member_id', 'member_card_id']

Row 1:
  refund_id: 2955202296416389
  tenant_id: 2790683160709957
  site_id: 2790685415443269
  relate_type: 5
  relate_id: 2955078219057349
  pay_amount: -5000.00
  channel_fee: 0.00
  pay_time: 2025-11-08 01:27:16+08:00
  create_time: 2025-11-08 01:27:16+08:00
  payment_method: 4
  member_id: 0
  member_card_id: 0

Row 2:
  refund_id: 2955171790194821
  tenant_id: 2790683160709957
  site_id: 2790685415443269
  relate_type: 5
  relate_id: 2955153380001861
  pay_amount: -10000.00
  channel_fee: 0.00
  pay_time: 2025-11-08 00:56:14+08:00
  create_time: 2025-11-08 00:56:14+08:00
  payment_method: 4
  member_id: 0
  member_card_id: 0

Row 3:
  refund_id: 2951883030513413
  tenant_id: 2790683160709957
  site_id: 2790685415443269
  relate_type: 2
  relate_id: 2951881496577861
  pay_amount: -12.00
  channel_fee: 0.00
  pay_time: 2025-11-05 17:10:44+08:00
  create_time: 2025-11-05 17:10:44+08:00
  payment_method: 4
  member_id: 0
  member_card_id: 0

Row 4:
  refund_id: 2948959062542597
  tenant_id: 2790683160709957
  site_id: 2790685415443269
  relate_type: 2
  relate_id: 2948934289967557
  pay_amount: -65.00
  channel_fee: 0.00
  pay_time: 2025-11-03 15:36:19+08:00
  create_time: 2025-11-03 15:36:19+08:00
  payment_method: 4
  member_id: 0
  member_card_id: 0

Row 5:
  refund_id: 2948630468005509
  tenant_id: 2790683160709957
  site_id: 2790685415443269
  relate_type: 2
  relate_id: 2948246513454661
  pay_amount: -88.33
  channel_fee: 0.00
  pay_time: 2025-11-03 10:02:03+08:00
  create_time: 2025-11-03 10:02:03+08:00
  payment_method: 4
  member_id: 0
  member_card_id: 0

Row 6:
  refund_id: 2948269239095045
  tenant_id: 2790683160709957
  site_id: 2790685415443269
  relate_type: 2
  relate_id: 2948246513454661
  pay_amount: -0.67
  channel_fee: 0.00
  pay_time: 2025-11-03 03:54:36+08:00
  create_time: 2025-11-03 03:54:36+08:00
  payment_method: 4
  member_id: 0
  member_card_id: 0

Row 7:
  refund_id: 2944743812581445
  tenant_id: 2790683160709957
  site_id: 2790685415443269
  relate_type: 5
  relate_id: 2944743413958789
  pay_amount: -44000.00
  channel_fee: 0.00
  pay_time: 2025-10-31 16:08:21+08:00
  create_time: 2025-10-31 16:08:21+08:00
  payment_method: 4
  member_id: 0
  member_card_id: 0

Row 8:
  refund_id: 2931109065131653
  tenant_id: 2790683160709957
  site_id: 2790685415443269
  relate_type: 2
  relate_id: 2931108522378885
  pay_amount: -10.00
  channel_fee: 0.00
  pay_time: 2025-10-22 00:58:22+08:00
  create_time: 2025-10-22 00:58:22+08:00
  payment_method: 4
  member_id: 0
  member_card_id: 0

Row 9:
  refund_id: 2921195994465669
  tenant_id: 2790683160709957
  site_id: 2790685415443269
  relate_type: 2
  relate_id: 2920440691344901
  pay_amount: -2.00
  channel_fee: 0.00
  pay_time: 2025-10-15 00:54:16+08:00
  create_time: 2025-10-15 00:54:16+08:00
  payment_method: 4
  member_id: 0
  member_card_id: 0

Row 10:
  refund_id: 2919690732146181
  tenant_id: 2790683160709957
  site_id: 2790685415443269
  relate_type: 5
  relate_id: 2919519811440261
  pay_amount: -3000.00
  channel_fee: 0.00
  pay_time: 2025-10-13 23:23:02+08:00
  create_time: 2025-10-13 23:23:02+08:00
  payment_method: 4
  member_id: 0
  member_card_id: 0