Description:
Column comments truncate incorrectly
How to repeat:
========================================================================
TEST STRING (1024 characters between quotes including line terminators):
========================================================================
"11111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111>100
22222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222>200
33333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333>300
44444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444>400
55555555555555555555555555555555555555555555555555555555555555555555555555555555555555555555555>500
66666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666>600
77777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777>700
88888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888>800
99999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999>900
0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000>1000
1111111111111111111>1024"
No problem adding this Column comment per Script created by Workbench:
ALTER TABLE `test`.`test_column_comments_truncated`
CHANGE COLUMN `col1` `col1` INT(11) NOT NULL COMMENT '11111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111>100\n22222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222>200\n33333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333>300\n44444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444>400\n55555555555555555555555555555555555555555555555555555555555555555555555555555555555555555555555>500\n66666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666>600\n77777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777>7000\n88888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888>800\n99999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999>900\n0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000>1000\n111111111111111111>1024' ;
========================================================================
---SCENARIO 1---
========================================================================
Add 'X' at the end (i.e. now 1025 characters):
Correctly truncates per Script created by Workbench:
ALTER TABLE `test`.`test_column_comments_truncated`
CHANGE COLUMN `col1` `col1` INT(11) NOT NULL COMMENT '11111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111>100\n22222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222>200\n33333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333>300\n44444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444>400\n55555555555555555555555555555555555555555555555555555555555555555555555555555555555555555555555>500\n66666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666>600\n77777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777>7000\n88888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888>800\n99999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999>900\n0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000>1000\n111111111111111111>1024' /* comment truncated */ /*X*/ ;
So far, so good: /* comment truncated */ /*X*/
========================================================================
---SCENARIO 2---
========================================================================
Type <ENTER> after ">600" (i.e. now 1025 characters):
Seems it incorrectly truncates to 604 characters per Script created by
Workbench:
ALTER TABLE `test`.`test_column_comments_truncated`
CHANGE COLUMN `col1` `col1` INT(11) NOT NULL COMMENT '11111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111>100\n22222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222>200\n33333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333>300\n44444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444>400\n55555555555555555555555555555555555555555555555555555555555555555555555555555555555555555555555>500\n66666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666>600' /* comment truncated */ /*
77777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777>700
88888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888>800
99999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999>900
0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000>1000
1111111111111111111>1024*/ ;
Seems it does not report on the first "\n" that was truncated (there were 2: "\n\n777...")
========================================================================
---SCENARIO 3---
========================================================================
TEST STRING (1543 characters between quotes including line terminators):
"10/6/2017 11:54AM:
Need to self-join table.
Combining multiple qortbl2 words to match up with one quran.word word:
---------------t1----------------------- ------------------t2------------------
SVWunion wordPhonetic qortbl2_wordSVW qortbl2word
109:1:1 qul 109:1:1 qul
109:1:2 yāayyuhā 109:1:2 yaa
109:1:3 l-kāfirūna 109:1:2 'ayy-u-haa
109:1:4 109:1:3 l-kaafir-uuna
SELECT
t1.SVWunion,
t1.wordPhonetic,
GROUP_CONCAT(t2.qortbl2word SEPARATOR '\n') AS UofHaifaTranscription
FROM
quran.svw_union_word_qortbl2 AS t1
RIGHT JOIN -- ignores row 109:1:4 in t1
quran.svw_union_word_qortbl2 AS t2
ON
t1.SVWunion = t2.qortbl2_wordSVW
WHERE
t2.qortbl2_wordSVW IS NOT NULL
GROUP BY
t2.qortbl2_wordSVW
ORDER BY
t1.ID;
Listing one qortbl2 word multiple times i.e. multiple quran.word words are combined to form one qortbl2 word:
--------------------------------t1---------------------------------- --------------t2----------------------
SVWunion wordPhonetic word_qortbl2SVW SVWunion qortbl2word
101:10:1 wamā 101:10:1 101:10:1 wa-maa
101:10:2 adrāka 101:10:2 101:10:2 'adraa-ka
101:10:3 mā 101:10:3 101:10:3 maahiyah
101:10:4 hiyah 101:10:3 101:10:4
SELECT
t1.SVWunion,
t1.wordPhonetic,
t2.qortbl2word AS UofHaifaTranscription
FROM
quran.svw_union_word_qortbl2 AS t1
LEFT JOIN
quran.svw_union_word_qortbl2 AS t2
ON
t1.word_qortbl2SVW = t2.SVWunion
WHERE
t1.word_qortbl2SVW IS NOT NULL
ORDER BY
t1.ID;"
Seems it incorrectly truncates to 386 characters per Script created by Workbench:
ALTER TABLE `test`.`test_column_comments_truncated`
CHANGE COLUMN `col1` `col1` INT(11) NOT NULL COMMENT '10/6/2017 11:54AM:\nNeed to self-join table.\nCombining multiple qortbl2 words to match up with one quran.word word:\n---------------t1----------------------- ------------------t2------------------\nSVWunion wordPhonetic qortbl2_wordSVW qortbl2word\n109:1:1 qul 109:1:1 qul\n109:1:2 yāayyuhā 109:1:2 yaa\n109:1:3 l-kāfirūna 109:1:2 \'ayy-u-haa\n109:1:4 109:1:3 l-kaafir-' /* comment truncated */ /*una
SELECT
t1.SVWunion,
t1.wordPhonetic,
GROUP_CONCAT(t2.qortbl2word SEPARATOR '\n') AS UofHaifaTranscription
FROM
quran.svw_union_word_qortbl2 AS t1
RIGHT JOIN -- ignores row 109:1:4 in t1
quran.svw_union_word_qortbl2 AS t2
ON
t1.SVWunion = t2.qortbl2_wordSVW
WHERE
t2.qortbl2_wordSVW IS NOT NULL
GROUP BY
t2.qortbl2_wordSVW
ORDER BY
t1.ID;
Listing one qortbl2 word multiple times i.e. multiple quran.word words are combined to form one qortbl2 word:
--------------------------------t1---------------------------------- --------------t2----------------------
SVWunion wordPhonetic word_qortbl2SVW SVWunion qortbl2word
101:10:1 wamā 101:10:1 101:10:1 wa-maa
101:10:2 adrāka 101:10:2 101:10:2 'adraa-ka
101:10:3 mā 101:10:3 101:10:3 maahiyah
101:10:4 hiyah 101:10:3 101:10:4
SELECT
t1.SVWunion,
t1.wordPhonetic,
t2.qortbl2word AS UofHaifaTranscription
FROM
quran.svw_union_word_qortbl2 AS t1
LEFT JOIN
quran.svw_union_word_qortbl2 AS t2
ON
t1.word_qortbl2SVW = t2.SVWunion
WHERE
t1.word_qortbl2SVW IS NOT NULL
ORDER BY
t1.ID;*/ ;
Seems it does not report on the first "u" that was truncated (there were 2: "uuna\n\n")
========================================================================
---SCENARIO 4---
========================================================================
TEST STRING (The first 1020 characters of previous test string):
"10/6/2017 11:54AM:
Need to self-join table.
Combining multiple qortbl2 words to match up with one quran.word word:
---------------t1----------------------- ------------------t2------------------
SVWunion wordPhonetic qortbl2_wordSVW qortbl2word
109:1:1 qul 109:1:1 qul
109:1:2 yāayyuhā 109:1:2 yaa
109:1:3 l-kāfirūna 109:1:2 'ayy-u-haa
109:1:4 109:1:3 l-kaafir-uuna
SELECT
t1.SVWunion,
t1.wordPhonetic,
GROUP_CONCAT(t2.qortbl2word SEPARATOR '\n') AS UofHaifaTranscription
FROM
quran.svw_union_word_qortbl2 AS t1
RIGHT JOIN -- ignores row 109:1:4 in t1
quran.svw_union_word_qortbl2 AS t2
ON
t1.SVWunion = t2.qortbl2_wordSVW
WHERE
t2.qortbl2_wordSVW IS NOT NULL
GROUP BY
t2.qortbl2_wordSVW
ORDER BY
t1.ID;
Listing one qortbl2 word multiple times i.e. multiple quran.word words are combined to form one qortbl2 word:
--------------------------------t1---------------------------------- --------------t2----------------------
SVWunion wordPhonetic word_qortbl2SVW SVW"
No problem adding this Column comment per Script created by Workbench:
ALTER TABLE `test`.`test_column_comments_truncated`
CHANGE COLUMN `col1` `col1` INT(11) NOT NULL COMMENT '10/6/2017 11:54AM:\nNeed to self-join table.\nCombining multiple qortbl2 words to match up with one quran.word word:\n---------------t1----------------------- ------------------t2------------------\nSVWunion wordPhonetic qortbl2_wordSVW qortbl2word\n109:1:1 qul 109:1:1 qul\n109:1:2 yāayyuhā 109:1:2 yaa\n109:1:3 l-kāfirūna 109:1:2 \'ayy-u-haa\n109:1:4 109:1:3 l-kaafir-uuna\n\nSELECT \n t1.SVWunion,\n t1.wordPhonetic,\nGROUP_CONCAT(t2.qortbl2word SEPARATOR \'\\n\') AS UofHaifaTranscription\nFROM\n quran.svw_union_word_qortbl2 AS t1\nRIGHT JOIN -- ignores row 109:1:4 in t1\n quran.svw_union_word_qortbl2 AS t2\nON\n t1.SVWunion = t2.qortbl2_wordSVW\nWHERE\n t2.qortbl2_wordSVW IS NOT NULL\nGROUP BY\n t2.qortbl2_wordSVW\nORDER BY\n t1.ID;\n\nListing one qortbl2 word multiple times i.e. multiple quran.word words are combined to form one qortbl2 word:\n--------------------------------t1---------------------------------- --------------t2----------------------\nSVWunion wordPhonetic word_qortbl2SVW SVW' ;
========================================================================
---SCENARIO 5---
========================================================================
Add 'X' at the end (i.e. now 1025 characters):
Seems it incorrectly truncates to 386 characters per Script created by Workbench:
ALTER TABLE `test`.`test_column_comments_truncated`
CHANGE COLUMN `col1` `col1` INT(11) NOT NULL COMMENT '10/6/2017 11:54AM:\nNeed to self-join table.\nCombining multiple qortbl2 words to match up with one quran.word word:\n---------------t1----------------------- ------------------t2------------------\nSVWunion wordPhonetic qortbl2_wordSVW qortbl2word\n109:1:1 qul 109:1:1 qul\n109:1:2 yāayyuhā 109:1:2 yaa\n109:1:3 l-kāfirūna 109:1:2 \'ayy-u-haa\n109:1:4 109:1:3 l-kaafir-' /* comment truncated */ /*una
SELECT
t1.SVWunion,
t1.wordPhonetic,
GROUP_CONCAT(t2.qortbl2word SEPARATOR '\n') AS UofHaifaTranscription
FROM
quran.svw_union_word_qortbl2 AS t1
RIGHT JOIN -- ignores row 109:1:4 in t1
quran.svw_union_word_qortbl2 AS t2
ON
t1.SVWunion = t2.qortbl2_wordSVW
WHERE
t2.qortbl2_wordSVW IS NOT NULL
GROUP BY
t2.qortbl2_wordSVW
ORDER BY
t1.ID;
Listing one qortbl2 word multiple times i.e. multiple quran.word words are combined to form one qortbl2 word:
--------------------------------t1---------------------------------- --------------t2----------------------
SVWunion wordPhonetic word_qortbl2SVW SVWX*/ ;
Seems it does not report on the first "u" that was truncated (there were 2: "uuna\n\n")
Suggested fix:
Code needs to be debugged
