Hi all,
I have a table of text and associated data. I want to break apart the text
into individual words, yet retain the data in other columns. For example:
Sentence: Chapter:
--------------------------
I like cats. 1
Joe likes dogs. 2
Should become:
Word: Chapter:
--------------------------
I 1
like 1
cats 1
Joe 2
likes 2
dogs. 2
Are there built-in SQL parsing functions, If not, what text handling
features would be most useful for building them?
Thanks! 7 17369
"HumanJHawkins" <JH******@HumanitiesSoftware.Com> wrote in message news:<Ml*****************@newsread1.news.pas.earth link.net>... Hi all,
I have a table of text and associated data. I want to break apart the text into individual words, yet retain the data in other columns. For example:
Sentence: Chapter: -------------------------- I like cats. 1 Joe likes dogs. 2
Should become:
Word: Chapter: -------------------------- I 1 like 1 cats 1 Joe 2 likes 2 dogs. 2
Are there built-in SQL parsing functions, If not, what text handling features would be most useful for building them?
Thanks!
Here's a recursive solution:
CREATE PROCEDURE Split (@Sentence AS VARCHAR(1024), @CHAPTER AS
INTEGER) AS
BEGIN
DECLARE @Position AS INTEGER, @Str AS VARCHAR(50)
SET @Position = CHARINDEX(' ', @Sentence)
IF (@Position = 0)
INSERT INTO Words (Word, Chapter) VALUES (@Sentence, @Chapter)
ELSE
BEGIN
SET @Str = LEFT(@Sentence, @Position-1)
INSERT INTO Words (Word, Chapter) VALUES (@Str, @Chapter)
SET @Str = RIGHT(@Sentence, LEN(@Sentence) - @Position)
EXEC Split @Str, @Chapter
END
END
This solution only works for sentences of 32 words or fewer since that
is the maximum nesting depth for MS-SQLServer.
Joe Melville
Wow. This looks like a great way of handling it. If anything is longer than
32 words, I should be able to find a way of stopping at 32 and running
another pass later. I'll post the final code if it adds anything to what you
have written here.
Thanks!
"Joe Melville" <je********@yahoo.com> wrote in message
news:2b**************************@posting.google.c om... "HumanJHawkins" <JH******@HumanitiesSoftware.Com> wrote in message
news:<Ml*****************@newsread1.news.pas.earth link.net>... Hi all,
I have a table of text and associated data. I want to break apart the
text into individual words, yet retain the data in other columns. For
example: Sentence: Chapter: -------------------------- I like cats. 1 Joe likes dogs. 2
Should become:
Word: Chapter: -------------------------- I 1 like 1 cats 1 Joe 2 likes 2 dogs. 2
Are there built-in SQL parsing functions, If not, what text handling features would be most useful for building them?
Thanks!
Here's a recursive solution: CREATE PROCEDURE Split (@Sentence AS VARCHAR(1024), @CHAPTER AS INTEGER) AS BEGIN DECLARE @Position AS INTEGER, @Str AS VARCHAR(50)
SET @Position = CHARINDEX(' ', @Sentence)
IF (@Position = 0) INSERT INTO Words (Word, Chapter) VALUES (@Sentence, @Chapter) ELSE BEGIN SET @Str = LEFT(@Sentence, @Position-1) INSERT INTO Words (Word, Chapter) VALUES (@Str, @Chapter) SET @Str = RIGHT(@Sentence, LEN(@Sentence) - @Position) EXEC Split @Str, @Chapter END END
This solution only works for sentences of 32 words or fewer since that is the maximum nesting depth for MS-SQLServer.
Joe Melville
>Wow. This looks like a great way of handling it. If anything is longer than 32 words, I should be able to find a way of stopping at 32 and running another pass later. I'll post the final code if it adds anything to what you have written here.
Thanks!
drop table tmpTable
Go
create Table tmpTable
(WordString VARCHAR(500))
Insert into tmpTable (WordString) Values ('Test of some words')
Insert into tmpTable (WordString) Values ('Another Test of some words')
Go
Drop Table tmpwords
Go
Create Table tmpWords
(Words VARCHAR(500))
BEGIN TRAN
DECLARE @PCStatus Integer
Declare @TmpWords VARCHAR(500)
Declare @newWord Varchar(500)
/* cursor to read each certificates ssn & certificateID */
DECLARE PCcursor CURSOR FOR
SELECT WordString
FROM TmpTable
OPEN PCcursor
/* read the 1st row */
SET @PCStatus = 0
While @PCStatus = 0
Begin
FETCH NEXT FROM PCcursor INTO @TmpWords
SET @PCStatus = @@Fetch_status
IF @PCstatus <> 0
break
Set @TmpWords = @tmpWords + ' '
WHILE CHARINDEX(' ', @TmpWords) > 0
Begin
SET @NewWord = LEFT(@TmpWords, CHARINDEX(' ', @TmpWords))
SET @TmpWords = SUBSTRING(@TmpWords,CHARINDEX(' ', @TmpWords)+1,
len(@TmpWOrds))
insert into tmpWords (words) values (@NewWord)
End
End
Close PcCursor
commit tran
deallocate PCcursor
select * from tmpwords
Randy http://members.aol.com/rsmeiner
"HumanJHawkins" <JH******@HumanitiesSoftware.Com> wrote in message
news:Ml*****************@newsread1.news.pas.earthl ink.net... Hi all,
I have a table of text and associated data. I want to break apart the text into individual words, yet retain the data in other columns. For example:
Sentence: Chapter: -------------------------- I like cats. 1 Joe likes dogs. 2
Should become:
Word: Chapter: -------------------------- I 1 like 1 cats 1 Joe 2 likes 2 dogs. 2
Are there built-in SQL parsing functions, If not, what text handling features would be most useful for building them?
Thanks!
There's no built-in-in SPLIT() function or whatever, but this may help: http://www.sommarskog.se/arrays-in-sql.html#iterative
In general, the string functions are limited in SQL, and it's often easier
to dump the data to a flat file and use an external script to do text
manipulation, especially if you need advanced features such as regular
expression support.
Simon
"HumanJHawkins" <JH******@HumanitiesSoftware.Com> wrote in message news:<Ml*****************@newsread1.news.pas.earth link.net>... Hi all,
I have a table of text and associated data. I want to break apart the text into individual words, yet retain the data in other columns. For example:
Sentence: Chapter: -------------------------- I like cats. 1 Joe likes dogs. 2
Should become:
Word: Chapter: -------------------------- I 1 like 1 cats 1 Joe 2 likes 2 dogs. 2
Are there built-in SQL parsing functions, If not, what text handling features would be most useful for building them?
Thanks!
Here's a recursive solution:
CREATE PROCEDURE Split (@Sentence AS VARCHAR(1024), @CHAPTER AS
INTEGER) AS
BEGIN
DECLARE @Position AS INTEGER, @Str AS VARCHAR(50)
SET @Position = CHARINDEX(' ', @Sentence)
IF (@Position = 0)
INSERT INTO Words (Word, Chapter) VALUES (@Sentence, @Chapter)
ELSE
BEGIN
SET @Str = LEFT(@Sentence, @Position-1)
INSERT INTO Words (Word, Chapter) VALUES (@Str, @Chapter)
SET @Str = RIGHT(@Sentence, LEN(@Sentence) - @Position)
EXEC Split @Str, @Chapter
END
END
This solution only works for sentences of 32 words or fewer since that
is the maximum nesting depth for MS-SQLServer.
Joe Melville
Wow. This looks like a great way of handling it. If anything is longer than
32 words, I should be able to find a way of stopping at 32 and running
another pass later. I'll post the final code if it adds anything to what you
have written here.
Thanks!
"Joe Melville" <je********@yahoo.com> wrote in message
news:2b**************************@posting.google.c om... "HumanJHawkins" <JH******@HumanitiesSoftware.Com> wrote in message
news:<Ml*****************@newsread1.news.pas.earth link.net>... Hi all,
I have a table of text and associated data. I want to break apart the
text into individual words, yet retain the data in other columns. For
example: Sentence: Chapter: -------------------------- I like cats. 1 Joe likes dogs. 2
Should become:
Word: Chapter: -------------------------- I 1 like 1 cats 1 Joe 2 likes 2 dogs. 2
Are there built-in SQL parsing functions, If not, what text handling features would be most useful for building them?
Thanks!
Here's a recursive solution: CREATE PROCEDURE Split (@Sentence AS VARCHAR(1024), @CHAPTER AS INTEGER) AS BEGIN DECLARE @Position AS INTEGER, @Str AS VARCHAR(50)
SET @Position = CHARINDEX(' ', @Sentence)
IF (@Position = 0) INSERT INTO Words (Word, Chapter) VALUES (@Sentence, @Chapter) ELSE BEGIN SET @Str = LEFT(@Sentence, @Position-1) INSERT INTO Words (Word, Chapter) VALUES (@Str, @Chapter) SET @Str = RIGHT(@Sentence, LEN(@Sentence) - @Position) EXEC Split @Str, @Chapter END END
This solution only works for sentences of 32 words or fewer since that is the maximum nesting depth for MS-SQLServer.
Joe Melville
>Wow. This looks like a great way of handling it. If anything is longer than 32 words, I should be able to find a way of stopping at 32 and running another pass later. I'll post the final code if it adds anything to what you have written here.
Thanks!
drop table tmpTable
Go
create Table tmpTable
(WordString VARCHAR(500))
Insert into tmpTable (WordString) Values ('Test of some words')
Insert into tmpTable (WordString) Values ('Another Test of some words')
Go
Drop Table tmpwords
Go
Create Table tmpWords
(Words VARCHAR(500))
BEGIN TRAN
DECLARE @PCStatus Integer
Declare @TmpWords VARCHAR(500)
Declare @newWord Varchar(500)
/* cursor to read each certificates ssn & certificateID */
DECLARE PCcursor CURSOR FOR
SELECT WordString
FROM TmpTable
OPEN PCcursor
/* read the 1st row */
SET @PCStatus = 0
While @PCStatus = 0
Begin
FETCH NEXT FROM PCcursor INTO @TmpWords
SET @PCStatus = @@Fetch_status
IF @PCstatus <> 0
break
Set @TmpWords = @tmpWords + ' '
WHILE CHARINDEX(' ', @TmpWords) > 0
Begin
SET @NewWord = LEFT(@TmpWords, CHARINDEX(' ', @TmpWords))
SET @TmpWords = SUBSTRING(@TmpWords,CHARINDEX(' ', @TmpWords)+1,
len(@TmpWOrds))
insert into tmpWords (words) values (@NewWord)
End
End
Close PcCursor
commit tran
deallocate PCcursor
select * from tmpwords
Randy http://members.aol.com/rsmeiner This thread has been closed and replies have been disabled. Please start a new discussion. Similar topics
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