Using wild card in list to exclude similar terms
0
We'd like to exclude common and stop words in the word count query and some terms have a slight variation like "account", "accounts", "account.", etc. Is there a way to use something like a wildcard (such as _ for the LIKE function) in the exclusion list to exclude all variations? There are thousands of words and "account" is just one example.
Query:
SELECT subject
from subject_table
WHERE subject NOT IN ('', 'and', 'for', 'of', 'account')
amazon-redshift
edited Nov 22 '18 at 15:45
klin
56.8k54778
asked Nov 22 '18 at 5:17
Leo JonesLeo Jones
577
add a comment |
0
We'd like to exclude common and stop words in the word count query and some terms have a slight variation like "account", "accounts", "account.", etc. Is there a way to use something like a wildcard (such as _ for the LIKE function) in the exclusion list to exclude all variations? There are thousands of words and "account" is just one example.
Query:
SELECT subject
from subject_table
WHERE subject NOT IN ('', 'and', 'for', 'of', 'account')
amazon-redshift
edited Nov 22 '18 at 15:45
klin
56.8k54778
asked Nov 22 '18 at 5:17
Leo JonesLeo Jones
577
postgres 8 <> redshift - redshift was a fork of an early postgres but has had many updates over that version and has its own architecture. please remove postgres tag and update your title accordingly.
– Jon Scott
Nov 22 '18 at 7:53
add a comment |
0
0
0
We'd like to exclude common and stop words in the word count query and some terms have a slight variation like "account", "accounts", "account.", etc. Is there a way to use something like a wildcard (such as _ for the LIKE function) in the exclusion list to exclude all variations? There are thousands of words and "account" is just one example.
Query:
SELECT subject
from subject_table
WHERE subject NOT IN ('', 'and', 'for', 'of', 'account')
amazon-redshift
edited Nov 22 '18 at 15:45
klin
56.8k54778
asked Nov 22 '18 at 5:17
Leo JonesLeo Jones
577
We'd like to exclude common and stop words in the word count query and some terms have a slight variation like "account", "accounts", "account.", etc. Is there a way to use something like a wildcard (such as _ for the LIKE function) in the exclusion list to exclude all variations? There are thousands of words and "account" is just one example.
Query:
SELECT subject
from subject_table
WHERE subject NOT IN ('', 'and', 'for', 'of', 'account')
amazon-redshift
amazon-redshift
edited Nov 22 '18 at 15:45
klin
56.8k54778
asked Nov 22 '18 at 5:17
Leo JonesLeo Jones
577
edited Nov 22 '18 at 15:45
klin
56.8k54778
asked Nov 22 '18 at 5:17
Leo JonesLeo Jones
577
edited Nov 22 '18 at 15:45
klin
56.8k54778
edited Nov 22 '18 at 15:45
klin
56.8k54778
edited Nov 22 '18 at 15:45
klin
56.8k54778
56.8k54778
asked Nov 22 '18 at 5:17
Leo JonesLeo Jones
577
asked Nov 22 '18 at 5:17
Leo JonesLeo Jones
577
asked Nov 22 '18 at 5:17
Leo JonesLeo Jones
577
577
postgres 8 <> redshift - redshift was a fork of an early postgres but has had many updates over that version and has its own architecture. please remove postgres tag and update your title accordingly.
– Jon Scott
Nov 22 '18 at 7:53
add a comment |
postgres 8 <> redshift - redshift was a fork of an early postgres but has had many updates over that version and has its own architecture. please remove postgres tag and update your title accordingly.
– Jon Scott
Nov 22 '18 at 7:53
postgres 8 <> redshift - redshift was a fork of an early postgres but has had many updates over that version and has its own architecture. please remove postgres tag and update your title accordingly.
– Jon Scott
Nov 22 '18 at 7:53
postgres 8 <> redshift - redshift was a fork of an early postgres but has had many updates over that version and has its own architecture. please remove postgres tag and update your title accordingly.
– Jon Scott
Nov 22 '18 at 7:53
add a comment |
1 Answer
1
active
oldest
votes
1
Try using [REGEXP_INSTR][1].
SELECT subject
from subject_table
WHERE REGEXP_INSTR(subject, '(and|for|of|account.*)') = 0
answered Nov 26 '18 at 15:20
Joe HarrisJoe Harris
7,13112841
Brilliant! Works like a charm! Thank you, @Joe Harris!
– Leo Jones
Nov 27 '18 at 19:38
Hi Joe, do you know how the following terms can be included in the REGEXP_INSTR() statement? [Angle, I'm
– Leo Jones
Nov 27 '18 at 22:02
You comment got cut off but the pipe|acts as an OR within the regex.WHERE REGEXP_INSTR(subject, '(and|for|of|account.*|this.*|that|the|^other)') = 0
– Joe Harris
Nov 28 '18 at 18:55
add a comment |
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1 Answer
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active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
1
Try using [REGEXP_INSTR][1].
SELECT subject
from subject_table
WHERE REGEXP_INSTR(subject, '(and|for|of|account.*)') = 0
answered Nov 26 '18 at 15:20
Joe HarrisJoe Harris
7,13112841
Brilliant! Works like a charm! Thank you, @Joe Harris!
– Leo Jones
Nov 27 '18 at 19:38
Hi Joe, do you know how the following terms can be included in the REGEXP_INSTR() statement? [Angle, I'm
– Leo Jones
Nov 27 '18 at 22:02
You comment got cut off but the pipe|acts as an OR within the regex.WHERE REGEXP_INSTR(subject, '(and|for|of|account.*|this.*|that|the|^other)') = 0
– Joe Harris
Nov 28 '18 at 18:55
add a comment |
1
Try using [REGEXP_INSTR][1].
SELECT subject
from subject_table
WHERE REGEXP_INSTR(subject, '(and|for|of|account.*)') = 0
answered Nov 26 '18 at 15:20
Joe HarrisJoe Harris
7,13112841
Brilliant! Works like a charm! Thank you, @Joe Harris!
– Leo Jones
Nov 27 '18 at 19:38
Hi Joe, do you know how the following terms can be included in the REGEXP_INSTR() statement? [Angle, I'm
– Leo Jones
Nov 27 '18 at 22:02
You comment got cut off but the pipe|acts as an OR within the regex.WHERE REGEXP_INSTR(subject, '(and|for|of|account.*|this.*|that|the|^other)') = 0
– Joe Harris
Nov 28 '18 at 18:55
add a comment |
1
1
1
Try using [REGEXP_INSTR][1].
SELECT subject
from subject_table
WHERE REGEXP_INSTR(subject, '(and|for|of|account.*)') = 0
answered Nov 26 '18 at 15:20
Joe HarrisJoe Harris
7,13112841
Try using [REGEXP_INSTR][1].
SELECT subject
from subject_table
WHERE REGEXP_INSTR(subject, '(and|for|of|account.*)') = 0
answered Nov 26 '18 at 15:20
Joe HarrisJoe Harris
7,13112841
answered Nov 26 '18 at 15:20
Joe HarrisJoe Harris
7,13112841
answered Nov 26 '18 at 15:20
Joe HarrisJoe Harris
7,13112841
answered Nov 26 '18 at 15:20
Joe HarrisJoe Harris
7,13112841
7,13112841
Brilliant! Works like a charm! Thank you, @Joe Harris!
– Leo Jones
Nov 27 '18 at 19:38
Hi Joe, do you know how the following terms can be included in the REGEXP_INSTR() statement? [Angle, I'm
– Leo Jones
Nov 27 '18 at 22:02
You comment got cut off but the pipe|acts as an OR within the regex.WHERE REGEXP_INSTR(subject, '(and|for|of|account.*|this.*|that|the|^other)') = 0
– Joe Harris
Nov 28 '18 at 18:55
add a comment |
Brilliant! Works like a charm! Thank you, @Joe Harris!
– Leo Jones
Nov 27 '18 at 19:38
Hi Joe, do you know how the following terms can be included in the REGEXP_INSTR() statement? [Angle, I'm
– Leo Jones
Nov 27 '18 at 22:02
You comment got cut off but the pipe|acts as an OR within the regex.WHERE REGEXP_INSTR(subject, '(and|for|of|account.*|this.*|that|the|^other)') = 0
– Joe Harris
Nov 28 '18 at 18:55
Brilliant! Works like a charm! Thank you, @Joe Harris!
– Leo Jones
Nov 27 '18 at 19:38
Brilliant! Works like a charm! Thank you, @Joe Harris!
– Leo Jones
Nov 27 '18 at 19:38
Hi Joe, do you know how the following terms can be included in the REGEXP_INSTR() statement? [Angle, I'm
– Leo Jones
Nov 27 '18 at 22:02
Hi Joe, do you know how the following terms can be included in the REGEXP_INSTR() statement? [Angle, I'm
– Leo Jones
Nov 27 '18 at 22:02
You comment got cut off but the pipe
| acts as an OR within the regex. WHERE REGEXP_INSTR(subject, '(and|for|of|account.*|this.*|that|the|^other)') = 0– Joe Harris
Nov 28 '18 at 18:55
You comment got cut off but the pipe
| acts as an OR within the regex. WHERE REGEXP_INSTR(subject, '(and|for|of|account.*|this.*|that|the|^other)') = 0– Joe Harris
Nov 28 '18 at 18:55
add a comment |
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postgres 8 <> redshift - redshift was a fork of an early postgres but has had many updates over that version and has its own architecture. please remove postgres tag and update your title accordingly.
– Jon Scott
Nov 22 '18 at 7:53