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Do char / varchar / text / longtext columns in MySQL occupy full size in filesystem even for partially filled cells?

由 喜欢而已 提交于 2019-12-31 07:09:22
问题 Do varchar/text/longtext columns in MySQL occupy full length size in filesystem even for incomplete cells? Referring to this blog article for example I have the following columns and i have put in a given string in it. CHAR (72) - can store upto 72 characters - i put in a string "abcd" VARCHAR (72) - can store upto 72 characters - i put in a string "abcd" TINYTEXT - can store upto 255 characters - i put in a string "abcd" TEXT - can store upto 65,535 characters - i put in a string "abcd"

saving base64 data - row size too large issue

由 旧街凉风 提交于 2019-12-30 07:28:11
问题 I have 22 database fields of type longtext . If I try saving 12 of the fields with the following data I get the following error: #1118 - Row size too large. The maximum row size for the used table type, not counting BLOBs, is 8126. You have to change some columns to TEXT or BLOBs It saves fine if I only save 11 fields. Here's the data: BYOkQoFxB5+S8VH8svilSI/hQCUDlh1wGhyHacxjNpShUKlGJJ5HZ1DQTKGexBaP65zeJksfOnvBloCSbVmNgYxQhaQHn7sJlKjwtC00X/me2K8Vs4I9cL9SZx58Q2iXXQBbJYaAhn0LaEJMUN0P7VWd0

SQL Error 1406 Data too long for column

由 我们两清 提交于 2019-12-30 02:27:30
问题 I am trying to execute the query below in MySQL but get the SQL error 1406 Data too long for column error every time. The column data type is longtext. Any ideas? UPDATE `my_db`.`my_table` SET `content` = '<div id="primaryContent"><div id="offices_map"></div><!-- #offices_map --><div id="offices_mapControlPanel" class="cf"><ul id="offices_continentLinkList"><li><a href="#" rel="Africa">AFRIQUE</a></li><li><a href="#" rel="Asia">ASIE</a></li><li><a href="#" rel="Australasia">AUSTRALASIE</a><

Unable to save large text in mysql thru php

由 ￣綄美尐妖づ 提交于 2019-12-23 13:33:37
问题 $query="INSERT INTO `ARTICLES` (`TITLE`, `BY`, `IN`, `POST`) VALUES('". $title ."', '". $by ."', '". $in ."', '". $_POST['post'] ."')"; This code is able to save small length text but not large. The datatype for the POST field is longtext. Also if i insert data thru phpmyadmin, it gets saved. 回答1: $query="INSERT INTO ARTICLES (TITLE, BY, IN, POST) VALUES('$title', '$by', '$in', '". $_POST['post'] ."')"; Use this query, and modify the database field's property to BLOB text using PHPmyAdmin. I

text enlarges the flexbox container

由 与世无争的帅哥 提交于 2019-12-12 19:47:28
问题 I don't know how to do for the text not enlarges the flex container. If I fill one box with text when the @media is @media screen and (min-width:600px) this box is bigger than 50%. And I want to keep the same percent that when the boxes are empty. This is the codepen: http://codepen.io/elcollage_com/pen/LpoGVN?editors=110 Thanks. The example: html, body{ height: 100%; padding: 0; margin: 0; } .container { display:flex; flex-wrap:wrap; flex-direction:row; justify-content:flex-start; align

GROUP_CONCAT and Longtext

由 谁说我不能喝 提交于 2019-12-12 13:26:46
问题 I need to combine two text fields in the MySQL Database table into One, So I have used the Following SQL script to do it. Table: tbl_newsitems Combine: Need to combine the text in the 'ni_text' with the same 'news_id' Table Layout: Code used to combine the text: SELECT news_id , GROUP_CONCAT( ni_text SEPARATOR ' ') FROM tbl_newsitems GROUP BY news_id ; But it won't display the full (Complete) text in the result section. The CONCAT field is trimmed and missing some text. The default Data type

How to insert long text in Mysql database (“Text” Datatype) using PHP

由 旧巷老猫 提交于 2019-12-12 05:12:25
问题 I am trying to insert long text into a mysql database using PHP. I am using data type "Text" for storing long text, but the problem is that "Text" data type is not storing the value, but if I use "Blob" instead of "Text", it works. One thing I would like to add: if I run the query in the phpmyadmin directly, it is working. So it seems that php can't insert the data into the database for "Text" data type. I googled this problem, but yet no solution found. Can anybody please guide me how to fix

Send value to function doesnt work if it is LONGTEXT in database?

由 老子叫甜甜 提交于 2019-12-12 03:11:16
问题 Im trying to send 3 database(mysql) values to a function when I click on a link. 2 of the values are VARCHAR in the db and the third is LONGTEXT, the VARCHAR values work as they should but not the LONGTEXT one? In the below link it is the "<%=rs("texten")%>" that doesnt work, the other to send the vaules as they should. The values from the db is: rs("gallery_id"9 = 12 rs("big_image") = Armani1.jpg rs("texten") = This is some test text,This is some test text,This is some test text,This is some

android viewpager to contain a long text separated to pages

由 荒凉一梦 提交于 2019-12-08 06:58:33
问题 I have a viewPager in my app. I want to put a long block of text in the viewPager . I don't want the text to be scrollable, I want it to be separated or parted to pages, and when the user pages it shows the rest of text in the other pages. How can I approach this? 回答1: You can instantiate a number of Fragments based on the dimension of the text, measured via public float measureText (String text) . Then you determine the screen as stated in Get screen dimensions in pixels Display display =

JPA native query for LONGTEXT field in a MySQL view results in error

由 三世轮回 提交于 2019-12-05 14:16:05
I have the following JPA SqlResultSetMapping: @SqlResultSetMappings({ @SqlResultSetMapping(name="GroupParticipantDTO", columns={ @ColumnResult(name="gpId"), @ColumnResult(name="gpRole"), // @ColumnResult(name="gpRemarks") } ) Which is used like this: StringBuilder sbQuery = new StringBuilder("Select "); sbQuery.append(" gpId, "); sbQuery.append(" gpRole, "); // sbQuery.append(" gpRemarks "); sbQuery.append(" FROM v_group_participants_with_details "); Query query = em.createNativeQuery(sbQuery.toString(), "GroupParticipantDTO"); The view is like this: DROP VIEW IF EXISTS `v_group_participants
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