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

## COLUMNS
--------------------------------------------------------------------------------
refund_id: bigint | nullable=NO | PK
tenant_name: character varying(64) | nullable=YES | 
pay_sn: bigint | nullable=YES | 
refund_amount: numeric(18,2) | nullable=YES | 
round_amount: numeric(18,2) | nullable=YES | 
balance_frozen_amount: numeric(18,2) | nullable=YES | 
card_frozen_amount: numeric(18,2) | nullable=YES | 
pay_status: integer | nullable=YES | 
action_type: integer | nullable=YES | 
is_revoke: integer | nullable=YES | 
is_delete: integer | nullable=YES | 
check_status: integer | nullable=YES | 
online_pay_channel: integer | nullable=YES | 
online_pay_type: integer | nullable=YES | 
pay_terminal: integer | nullable=YES | 
pay_config_id: integer | nullable=YES | 
cashier_point_id: integer | nullable=YES | 
operator_id: bigint | nullable=YES | 
channel_payer_id: character varying(128) | nullable=YES | 
channel_pay_no: character varying(128) | nullable=YES | 

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

refund_id:
  Total: 45, Non-null: 45, Distinct: 45
  Top values:
    2955171790194821: 1
    3010370563410373: 1
    2967433935357637: 1
    3047989151893189: 1
    3042871700817797: 1
    2931109065131653: 1
    2977293299926853: 1
    2951883030513413: 1
    2919690732146181: 1
    3038756832234821: 1
    2888536816749061: 1
    3023410603902917: 1
    2990528572459717: 1
    3004097305612997: 1
    2948959062542597: 1

tenant_name:
  Total: 45, Non-null: 45, Distinct: 1
  *** LIKELY ENUM (distinct <= 15) ***
  Top values:
    朗朗桌球: 45

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

pay_status:
  Total: 45, Non-null: 45, Distinct: 1
  *** LIKELY ENUM (distinct <= 15) ***
  Top values:
    2: 45

action_type:
  Total: 45, Non-null: 45, Distinct: 1
  *** LIKELY ENUM (distinct <= 15) ***
  Top values:
    2: 45

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

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

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

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

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

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

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

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

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

channel_payer_id:
  Total: 45, Non-null: 0, Distinct: 0
  Top values:

channel_pay_no:
  Total: 45, Non-null: 0, Distinct: 0
  Top values:

## SAMPLE DATA (first 10 rows)
--------------------------------------------------------------------------------
Columns: ['refund_id', 'tenant_name', 'pay_sn', 'refund_amount', 'round_amount', 'balance_frozen_amount', 'card_frozen_amount', 'pay_status', 'action_type', 'is_revoke', 'is_delete', 'check_status', 'online_pay_channel', 'online_pay_type', 'pay_terminal', 'pay_config_id', 'cashier_point_id', 'operator_id', 'channel_payer_id', 'channel_pay_no']

Row 1:
  refund_id: 2955202296416389
  tenant_name: 朗朗桌球
  pay_sn: 0
  refund_amount: 0.00
  round_amount: 0.00
  balance_frozen_amount: 0.00
  card_frozen_amount: 0.00
  pay_status: 2
  action_type: 2
  is_revoke: 0
  is_delete: 0
  check_status: 1
  online_pay_channel: 0
  online_pay_type: 0
  pay_terminal: 1
  pay_config_id: 0
  cashier_point_id: 0
  operator_id: 0
  channel_payer_id: NULL
  channel_pay_no: NULL

Row 2:
  refund_id: 2955171790194821
  tenant_name: 朗朗桌球
  pay_sn: 0
  refund_amount: 0.00
  round_amount: 0.00
  balance_frozen_amount: 0.00
  card_frozen_amount: 0.00
  pay_status: 2
  action_type: 2
  is_revoke: 0
  is_delete: 0
  check_status: 1
  online_pay_channel: 0
  online_pay_type: 0
  pay_terminal: 1
  pay_config_id: 0
  cashier_point_id: 0
  operator_id: 0
  channel_payer_id: NULL
  channel_pay_no: NULL

Row 3:
  refund_id: 2951883030513413
  tenant_name: 朗朗桌球
  pay_sn: 0
  refund_amount: 0.00
  round_amount: 0.00
  balance_frozen_amount: 0.00
  card_frozen_amount: 0.00
  pay_status: 2
  action_type: 2
  is_revoke: 0
  is_delete: 0
  check_status: 1
  online_pay_channel: 0
  online_pay_type: 0
  pay_terminal: 1
  pay_config_id: 0
  cashier_point_id: 0
  operator_id: 0
  channel_payer_id: NULL
  channel_pay_no: NULL

Row 4:
  refund_id: 2948959062542597
  tenant_name: 朗朗桌球
  pay_sn: 0
  refund_amount: 0.00
  round_amount: 0.00
  balance_frozen_amount: 0.00
  card_frozen_amount: 0.00
  pay_status: 2
  action_type: 2
  is_revoke: 0
  is_delete: 0
  check_status: 1
  online_pay_channel: 0
  online_pay_type: 0
  pay_terminal: 1
  pay_config_id: 0
  cashier_point_id: 0
  operator_id: 0
  channel_payer_id: NULL
  channel_pay_no: NULL

Row 5:
  refund_id: 2948630468005509
  tenant_name: 朗朗桌球
  pay_sn: 0
  refund_amount: 0.00
  round_amount: 0.00
  balance_frozen_amount: 0.00
  card_frozen_amount: 0.00
  pay_status: 2
  action_type: 2
  is_revoke: 0
  is_delete: 0
  check_status: 1
  online_pay_channel: 0
  online_pay_type: 0
  pay_terminal: 1
  pay_config_id: 0
  cashier_point_id: 0
  operator_id: 0
  channel_payer_id: NULL
  channel_pay_no: NULL

Row 6:
  refund_id: 2948269239095045
  tenant_name: 朗朗桌球
  pay_sn: 0
  refund_amount: 0.00
  round_amount: 0.00
  balance_frozen_amount: 0.00
  card_frozen_amount: 0.00
  pay_status: 2
  action_type: 2
  is_revoke: 0
  is_delete: 0
  check_status: 1
  online_pay_channel: 0
  online_pay_type: 0
  pay_terminal: 1
  pay_config_id: 0
  cashier_point_id: 0
  operator_id: 0
  channel_payer_id: NULL
  channel_pay_no: NULL

Row 7:
  refund_id: 2944743812581445
  tenant_name: 朗朗桌球
  pay_sn: 0
  refund_amount: 0.00
  round_amount: 0.00
  balance_frozen_amount: 0.00
  card_frozen_amount: 0.00
  pay_status: 2
  action_type: 2
  is_revoke: 0
  is_delete: 0
  check_status: 1
  online_pay_channel: 0
  online_pay_type: 0
  pay_terminal: 1
  pay_config_id: 0
  cashier_point_id: 0
  operator_id: 0
  channel_payer_id: NULL
  channel_pay_no: NULL

Row 8:
  refund_id: 2931109065131653
  tenant_name: 朗朗桌球
  pay_sn: 0
  refund_amount: 0.00
  round_amount: 0.00
  balance_frozen_amount: 0.00
  card_frozen_amount: 0.00
  pay_status: 2
  action_type: 2
  is_revoke: 0
  is_delete: 0
  check_status: 1
  online_pay_channel: 0
  online_pay_type: 0
  pay_terminal: 1
  pay_config_id: 0
  cashier_point_id: 0
  operator_id: 0
  channel_payer_id: NULL
  channel_pay_no: NULL

Row 9:
  refund_id: 2921195994465669
  tenant_name: 朗朗桌球
  pay_sn: 0
  refund_amount: 0.00
  round_amount: 0.00
  balance_frozen_amount: 0.00
  card_frozen_amount: 0.00
  pay_status: 2
  action_type: 2
  is_revoke: 0
  is_delete: 0
  check_status: 1
  online_pay_channel: 0
  online_pay_type: 0
  pay_terminal: 1
  pay_config_id: 0
  cashier_point_id: 0
  operator_id: 0
  channel_payer_id: NULL
  channel_pay_no: NULL

Row 10:
  refund_id: 2919690732146181
  tenant_name: 朗朗桌球
  pay_sn: 0
  refund_amount: 0.00
  round_amount: 0.00
  balance_frozen_amount: 0.00
  card_frozen_amount: 0.00
  pay_status: 2
  action_type: 2
  is_revoke: 0
  is_delete: 0
  check_status: 1
  online_pay_channel: 0
  online_pay_type: 0
  pay_terminal: 1
  pay_config_id: 0
  cashier_point_id: 0
  operator_id: 0
  channel_payer_id: NULL
  channel_pay_no: NULL