Tag : Column


Laravel 5 - where condition with two columns example code

Laravel 5 introduce whereColumn() in Query Builder, that way we can compare two column like simple where condition. We sometimes require to check this type of condition. In this example code, i have simple "items" table and i want to get only created_at and updated_at column should equals. So you can also check bellow laravel eloquent as bellow: <strong>Example:</strong> <pre class="prettyprint lang-php"> $data = DB::table("items") ->whereColumn('created_at','updated_at') ->get(); print_r($data); </pre> <strong>Example 2:</strong> <pre class="prettyprint lang-php"> .....

By Hardik Savani | July 29, 2016 | | 1016 Viewer | Category : Laravel
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Laravel - How to remove foreign key constraint using migration?

Sometimes it can be agreeable to remove a database column that hosts a foreign key relationship, and we add wrong column with foreign key constraint on table, At that time we must remove that column from table. But we can't remove directly using dropColumn() because we did apply foreign key constraint so we should drop foreign key constraint of that column using dropForeign() and then we can delete column using dropColumn(). You can see as bellw migration, first i added migration with wrong column then other migration for remove that column. <strong>Wrong Column Migration:</strong> <pre cla.....

By Hardik Savani | July 1, 2016 | | 1166 Viewer | Category : Laravel
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Sql function remove numeric characters from column example

Mysql custom fucntion is a very prety and intresting concept. In this posts i want to create one custom mysql function for remove numeric characters from table field value. this function through you can also remove numeric characters from string in mysql. in following sql query fire in your mysql or mssql database and check how it works. So, lets create function and how to use in select statement in sql query. <strong class="step">Create removeNumber function:</strong> <pre class="prettyprint lang-mysql"> DROP FUNCTION IF EXISTS removeNumber; DELIMITER | CREATE FUNCTION removeNumber( str CH.....

By Hardik Savani | March 12, 2016 | | 657 Viewer | Category : PHP MySql SQL MSSQL
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How to remove special characters by mysql custom function.

Mysql custom fucntion is a very prety and intresting concept. In this posts i want to create one custom mysql function for remove special characters from table field value. this function through you can also remove special characters from string in mysql. in following sql query fire in your mysql or mssql database and check how it works. So, lets create function and how to use in select statement in sql query. <strong class="step">Create removeSpacialChar function:</strong> <pre class="prettyprint lang-mysql"> CREATE FUNCTION `removeSpacialChar`(`in_str` varchar(4096)) RETURNS varchar(4096) C.....

By Hardik Savani | March 10, 2016 | | 1467 Viewer | Category : PHP MySql SQL MSSQL
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    How to get keys name from array using array helper in PHP Laravel ?

    How to get keys name from array using array helper in PHP Laravel ?

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    Laravel 5 - Authenticate user in NodeJS with socket io using JWT.

    Laravel 5 - Authenticate user in NodeJS with socket io using JWT.

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    How to get location information from ip address in Laravel ?

    How to get location information from ip address in Laravel ?

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    PHP - jquery ajax crop image before upload using croppie plugin

    PHP - jquery ajax crop image before upload using croppie plugin

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    iOS 7 style switches for checkboxes example using switchery JS

    iOS 7 style switches for checkboxes example using switchery JS

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    Laravel 5 - line chart example code using google charts API

    Laravel 5 - line chart example code using google charts API

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