I have been using the Query builder in Yii2. When trying to make a filter like this:
where myaddress like 'avenue%12%espe'
When I tried this:
andWhere('like','myaddress', 'avenue%12%espe')
The constructor detect % caracter and inserts escape wildcards automatically and ignores them, help please
Regards
Related
I am trying to implement in MS Access following query filter. I am trying do not show the numbers from my table which contains following pattern:
"NNNNNN_NNNN_NNN" AND "NNNNNN_NNNN_NNN-S/Z"
If I have in my database a number "123456_123_123" or "12345_1234_12" I cannot see them. So my filter pattern doesn't work correctly. Is there possibility to work in Access Query with underline symbols? How can I create correct pattern?
Thank you for any tip!
Use the operator LIKE:
SELECT *
FROM tablename
WHERE ([columnname] NOT LIKE '######_####_###')
AND ([columnname] NOT LIKE '######_####_###-S/Z')
The wildcard '#' represents a single digit.
I have some fields in a MYSQL database with the following content:
eq":"fieldname1+fieldname2+fieldname3+fieldname4/4
The numbers are always different, so it could also be something like:
eq":"fieldname11+fieldname22+fieldname8/10
I would like to run a query to achieve the following:
eq":"((fieldname1+fieldname2+fieldname3+fieldname4)/4, 2)
I currently have the following query
UPDATE wp_wrdydtdbww_cp_calculated_fields_form_settings
SET form_structure = REPLACE(form_structure, '???', '???')
WHERE id IN (1,2,3);
The problem is, that there are a lot of additional strings, containing 'fieldname' or '/' as well, so I need to replace the exact structure.
Can somebody help me to modify it?
I tried something with the LIKE pattern (%), but can't get it to work as I always replace other parts of strings as well.
Thanks!
Hello I have a table Gallery with a field url_immagine and I would like to use a query to replace all values that look like upload/gallery/311/ge_c1966615153f6b2fcf5d84c1e389eea8.jpg in /ge_c1966615153f6b2fcf5d84c1e389eea8.jpg
Unfortunately the a part of the string, the ID (331) is not always the same and therefore can not understand how ...
I tried the regular expression like this:
UPDATE gallery SET url_immagine = replace(url_immagine, 'upload/gallery/.*/', '/')
but it seem not to work.
Combine CONCAT and SUBSTRING_INDEX since you can use last index of "/"
UPDATE gallery
SET url_immagine = (SELECT CONCAT('/',SUBSTRING_INDEX(url_immagine, '/', -1)));
Try that to confirm it's doing what you want :
SELECT CONCAT('/',SUBSTRING_INDEX(url_immagine, '/', -1))
FROM gallery
You can see documentation for the replace function and all other string functions in the mysql manual:
https://dev.mysql.com/doc/refman/5.7/en/string-functions.html#function_replace
It does not mention that replace handles regular expressions, so we an assume it does not, and it is working verbatim and uses the your * to look for the char *.
You see also that there seem not to be a function that does the whole job for you. So you must somehow combine them. The idea of Mateo is probably the right direction.
I have the following query:
SELECT item from table
Which gives me:
<title>Titanic</title>
How would I extract the name "Titanic" from this? Something like:
SELECT re.find('\>(.+)\>, item) FROM table
What would be the correct syntax for this?
By default, MySQL does not provide functionality for extracting text using regular expressions. You can use REGEXP to find rows that match something like >.+<, but there is no straightforward way of extracting the captured group without some additional effort, such as:
using a library like lib_mysqludf_preg
writing your own MySQL function to extract matched text
performing regular string manipulation
using the regex functionality of whatever environment you're using MySQL from (e.g. PHP's preg_match)
reconsidering your need for regular expressions entirely. If you know that all your rows contain a <title> tag, for instance, it may be a better idea to simply use "normal" string functions such as SUBSTRING
As pointed out in the informative answer by George Bahij MySQL lacks this functionality so the options would be to either extend the functionality using udfs etc, or use the available string functions, in which case you could do:
SELECT
SUBSTR(
SUBSTRING_INDEX(
SUBSTRING_INDEX(item,'<title>',2)
,'</title>',1)
FROM 8
)
from table
Or if the string you need to extract from always is on the format <title>item</title> then you could simple use replace: replace(replace(item, '<title>', ''), '</title>','')
This regex: <\w+>.+</\w+> will match content in tags.
Your query should be something like:
SELECT * FROM `table` WHERE `field` REGEXP '<\w+>.+</\w+>';
Then if you're using PHP or something similar you could use a function like strip_tags to extract the content between the tags.
XML shouldn't be parsed with regexes, and at any rate MySQL only supports matching, not replacement.
But MySQL supports XPath 1.0. You should be able to simply do this:
SELECT ExtractValue(item,'/title') AS item_title FROM table;
https://dev.mysql.com/doc/refman/5.6/en/xml-functions.html
I have a column in my table name as URL and it contains Multiple value like "https://www.google.com/#q=how+to+make+a+android+app"
and
http://www.bing.com/search?q=how+to+make+a+android+app&go=&qs=n&form=QBLH&pq=how+to+make+a+android+app&sc=8-15&sp=-1&sk=
I want to get data separately in output like
website = https://www.google.com
Keyword = how to make a android app.
Any Idea Plz, How can i get this in MySql.
you can use substr() function in php to cut string. In your case, you can get the characters up to the end of 'https://www.google.com'.
read more at http://ro1.php.net/substr
in case you want to do it directly in your query, you can use substr() as well. Sql syntax goes like this:
SELECT SUBSTR(column, start_position, desired_length) FROM table_name
*SELECT SUBSTR(column_name, 1, 20) FROM table_name;*