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๐Ÿ’ฌGenerate LLM translations (#1685)
Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com> Co-authored-by: Quan <[email protected]>
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title: UPDATE
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---
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import FunctionDescription from '@site/src/components/FunctionDescription';
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ไฟฎๆ”น่กจไธญ็š„่กŒไปฅไฝฟ็”จๆ–ฐๅ€ผใ€‚
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<FunctionDescription description="ๅผ•ๅ…ฅๆˆ–ๆ›ดๆ–ฐไบŽ๏ผšv1.2.699"/>
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ไฝฟ็”จๆ–ฐๅ€ผๆ›ดๆ–ฐ่กจไธญ็š„่กŒ๏ผŒๅฏ้€‰ๆ‹ฉไฝฟ็”จๅ…ถไป–่กจไธญ็š„ๅ€ผใ€‚
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:::tip ๅŽŸๅญๆ“ไฝœ
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Databend ้€š่ฟ‡ๅŽŸๅญๆ“ไฝœ็กฎไฟๆ•ฐๆฎๅฎŒๆ•ดๆ€งใ€‚ๆ’ๅ…ฅใ€ๆ›ดๆ–ฐใ€ๆ›ฟๆขๅ’Œๅˆ ้™ค่ฆไนˆๅฎŒๅ…จๆˆๅŠŸ๏ผŒ่ฆไนˆๅฎŒๅ…จๅคฑ่ดฅใ€‚
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Databend ้€š่ฟ‡ๅŽŸๅญๆ“ไฝœ็กฎไฟๆ•ฐๆฎๅฎŒๆ•ดๆ€งใ€‚ๆ’ๅ…ฅใ€ๆ›ดๆ–ฐใ€ๆ›ฟๆขๅ’Œๅˆ ้™คๆ“ไฝœ่ฆไนˆๅฎŒๅ…จๆˆๅŠŸ๏ผŒ่ฆไนˆๅฎŒๅ…จๅคฑ่ดฅใ€‚
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:::
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## ่ฏญๆณ•
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```sql
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UPDATE <table_name>
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SET <col_name> = <value> [ , <col_name> = <value> , ... ]
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[ WHERE <condition> ]
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UPDATE <็›ฎๆ ‡่กจ>
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SET <ๅˆ—ๅ> = <ๅ€ผ> [ , <ๅˆ—ๅ> = <ๅ€ผ> , ... ] -- ่ฎพ็ฝฎๆ–ฐๅ€ผ
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[ FROM <ๅ…ถไป–่กจ> ] -- ไฝฟ็”จๅ…ถไป–่กจไธญ็š„ๅ€ผ
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[ WHERE <ๆกไปถ> ] -- ่ฟ‡ๆปค่กŒ
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```
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## ็คบไพ‹
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ไปฅไธ‹็คบไพ‹ๆผ”็คบไบ†ๅฆ‚ไฝ•็›ดๆŽฅๆ›ดๆ–ฐ่กจไธญ็š„่กŒ๏ผŒไปฅๅŠๅฆ‚ไฝ•ไฝฟ็”จๅฆไธ€ไธช่กจไธญ็š„ๅ€ผๆฅๆ›ดๆ–ฐ่กŒใ€‚
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ๆˆ‘ไปฌๅฐ†้ฆ–ๅ…ˆๅˆ›ๅปบไธ€ไธช **bookstore** ่กจๅนถๆ’ๅ…ฅไธ€ไบ›็คบไพ‹ๆ•ฐๆฎ๏ผŒ็„ถๅŽ็›ดๆŽฅๆ›ดๆ–ฐ็‰นๅฎš่กŒใ€‚ไน‹ๅŽ๏ผŒๆˆ‘ไปฌๅฐ†ไฝฟ็”จ็ฌฌไบŒไธช่กจ **book_updates**๏ผŒๆ นๆฎ **book_updates** ไธญ็š„ๅ€ผๆ›ดๆ–ฐ **bookstore** ่กจไธญ็š„่กŒใ€‚
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#### ๆญฅ้ชค 1๏ผšๅˆ›ๅปบ bookstore ่กจๅนถๆ’ๅ…ฅๅˆๅง‹ๆ•ฐๆฎ
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ๅœจๆญคๆญฅ้ชคไธญ๏ผŒๆˆ‘ไปฌๅˆ›ๅปบไธ€ไธชๅไธบ **bookstore** ็š„่กจ๏ผŒๅนถๅกซๅ……ไธ€ไบ›็คบไพ‹ไนฆ็ฑๆ•ฐๆฎใ€‚
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```sql
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-- ๅˆ›ๅปบไธ€ไธช่กจ
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CREATE TABLE bookstore (
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book_id INT,
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book_name VARCHAR
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);
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-- ๆ’ๅ…ฅๅ€ผ
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INSERT INTO bookstore VALUES (101, 'After the death of Don Juan');
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INSERT INTO bookstore VALUES (102, 'Grown ups');
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INSERT INTO bookstore VALUES (103, 'The long answer');
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INSERT INTO bookstore VALUES (104, 'Wartime friends');
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INSERT INTO bookstore VALUES (105, 'Deconstructed');
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```
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#### ๆญฅ้ชค 2๏ผšๆŸฅ็œ‹ๆ›ดๆ–ฐๅ‰็š„ bookstore ่กจ
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-- ๆ›ดๆ–ฐๅ‰็š„่กจ
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ๆˆ‘ไปฌ็Žฐๅœจๅฏไปฅๆฃ€ๆŸฅ **bookstore** ่กจ็š„ๅ†…ๅฎน๏ผŒๆŸฅ็œ‹ๅˆๅง‹ๆ•ฐๆฎใ€‚
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```sql
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SELECT * FROM bookstore;
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101|After the death of Don Juan
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102|Grown ups
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103|The long answer
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104|Wartime friends
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105|Deconstructed
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โ”Œโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”
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โ”‚ book_id โ”‚ book_name โ”‚
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โ”œโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ผโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ค
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โ”‚ 102 โ”‚ Grown ups โ”‚
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โ”‚ 103 โ”‚ The long answer โ”‚
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โ”‚ 101 โ”‚ After the death of Don Juan โ”‚
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โ”‚ 105 โ”‚ Deconstructed โ”‚
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โ”‚ 104 โ”‚ Wartime friends โ”‚
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โ””โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”˜
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```
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#### ๆญฅ้ชค 3๏ผš็›ดๆŽฅๆ›ดๆ–ฐๅ•่กŒ
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ๆŽฅไธ‹ๆฅ๏ผŒ่ฎฉๆˆ‘ไปฌๆ›ดๆ–ฐ book_id ไธบ `103` ็š„ไนฆ็ฑ๏ผŒๆ›ดๆ”นๅ…ถๅ็งฐใ€‚
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```sql
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UPDATE bookstore
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SET book_name = 'The long answer (2nd)'
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WHERE book_id = 103;
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```
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#### ๆญฅ้ชค 4๏ผšๆŸฅ็œ‹ๆ›ดๆ–ฐๅŽ็š„ bookstore ่กจ
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็Žฐๅœจ๏ผŒ่ฎฉๆˆ‘ไปฌๅ†ๆฌกๆฃ€ๆŸฅ่กจ๏ผŒๆŸฅ็œ‹็›ดๆŽฅๆ›ดๆ–ฐ็š„็ป“ๆžœใ€‚
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```sql
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SELECT book_name FROM bookstore WHERE book_id=103;
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โ”Œโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”
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โ”‚ book_name โ”‚
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โ”œโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ค
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โ”‚ The long answer (2nd) โ”‚
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โ””โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”˜
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```
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#### ๆญฅ้ชค 5๏ผšๅˆ›ๅปบๆ–ฐ่กจไปฅๅญ˜ๅ‚จๆ›ดๆ–ฐๅ€ผ
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ๅœจๆญคๆญฅ้ชคไธญ๏ผŒๆˆ‘ไปฌๅˆ›ๅปบ็ฌฌไบŒไธช่กจ **book_updates**๏ผŒๅ…ถไธญๅŒ…ๅซๆˆ‘ไปฌๅฐ†็”จไบŽๆ›ดๆ–ฐ **bookstore** ่กจ็š„ๆ›ดๆ–ฐไนฆ็ฑๅ็งฐใ€‚
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```sql
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CREATE TABLE book_updates (
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book_id INT,
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new_book_name VARCHAR
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);
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-- ๆ›ดๆ–ฐไธ€ๆœฌไนฆ (Id: 103)
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UPDATE bookstore SET book_name = 'The long answer (2nd)' WHERE book_id = 103;
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INSERT INTO book_updates VALUES (103, 'The long answer (Revised)');
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INSERT INTO book_updates VALUES (104, 'Wartime friends (Expanded Edition)');
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```
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#### ๆญฅ้ชค 6๏ผšไฝฟ็”จ book_updates ไธญ็š„ๅ€ผๆ›ดๆ–ฐ bookstore ่กจ
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็Žฐๅœจ๏ผŒๆˆ‘ไปฌๅฐ†ไฝฟ็”จ **book_updates** ่กจไธญ็š„ๅ€ผๆ›ดๆ–ฐ **bookstore** ่กจใ€‚
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-- ๆ›ดๆ–ฐๅŽ็š„่กจ
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```sql
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UPDATE bookstore
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SET book_name = book_updates.new_book_name
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FROM book_updates
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WHERE bookstore.book_id = book_updates.book_id;
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```
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#### ๆญฅ้ชค 7๏ผšๆŸฅ็œ‹ๆ›ดๆ–ฐๅŽ็š„ bookstore ่กจ
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ๆœ€ๅŽ๏ผŒๆˆ‘ไปฌๅ†ๆฌกๆฃ€ๆŸฅ **bookstore** ่กจ๏ผŒ็กฎ่ฎคๅทฒไฝฟ็”จ **book_updates** ไธญ็š„ๅ€ผๆ›ดๆ–ฐไบ†ๅ็งฐใ€‚
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```sql
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SELECT * FROM bookstore;
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101|After the death of Don Juan
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102|Grown ups
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103|The long answer (2nd)
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104|Wartime friends
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105|Deconstructed
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โ”Œโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”
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โ”‚ book_id โ”‚ book_name โ”‚
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โ”œโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ผโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ค
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โ”‚ 105 โ”‚ Deconstructed โ”‚
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โ”‚ 101 โ”‚ After the death of Don Juan โ”‚
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โ”‚ 102 โ”‚ Grown ups โ”‚
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โ”‚ 104 โ”‚ Wartime friends (Expanded Edition) โ”‚
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โ”‚ 103 โ”‚ The long answer (Revised) โ”‚
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โ””โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”˜
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```

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