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php Programming Glossary: constraintPostgresql: using 'NULL' value when insert and update rows with prepared statements http://stackoverflow.com/questions/1027499/postgresql-using-null-value-when-insert-and-update-rows-with-prepared-stateme index.. 2 empty email are equal and violates the unique constraint while 2 NULL values are not equal and can coexist. php postgresql..
Achieve hierarchy, Parent/Child Relationship in an effective and easy way http://stackoverflow.com/questions/11064913/achieve-hierarchy-parent-child-relationship-in-an-effective-and-easy-way I need the best optimized technique within my data model constraint. Feel free to answer if you have any suggestion. Please suggest..
Symfony2 validation doesn't work when Entity Relationships/Associations http://stackoverflow.com/questions/12908658/symfony2-validation-doesnt-work-when-entity-relationships-associations all the embedded objects. You need to put the Valid constraint on the first field to make it validate as well My SampleBundle..
How to 'insert if not exists' in MySQL? http://stackoverflow.com/questions/1361340/how-to-insert-if-not-exists-in-mysql and one to insert is the result set is empty Does a unique constraint on a field guarantee the insert will fail if it's already there.. fail if it's already there It seems that with merely a constraint when I issue the insert via php the script croaks. php sql..
PHP/MYSQL only allowing one vote per member? http://stackoverflow.com/questions/1426744/php-mysql-only-allowing-one-vote-per-member remove all but one in each case and THEN add the UNIQUE constraint to your table. From there you can be sure your table will never..
CodeIgniter: Try Catch is not working in model class http://stackoverflow.com/questions/15858372/codeigniter-try-catch-is-not-working-in-model-class Try Catch is not working in model class I have a unique constraint on of the column. When this code runs I get error log from framework..
MySQL ignores the NOT NULL constraint http://stackoverflow.com/questions/2503712/mysql-ignores-the-not-null-constraint ignores the NOT NULL constraint I have created a table with NOT NULL constraints on some columns.. NOT NULL constraint I have created a table with NOT NULL constraints on some columns in MySQL. Then in PHP I wrote a script to insert.. mysqli_stmt_execute stmt mysqli_stmt_close stmt php mysql constraints share improve this question If you're sure you're not using..
Ignore MySQL foreign key constraints in PHP http://stackoverflow.com/questions/4268801/ignore-mysql-foreign-key-constraints-in-php MySQL foreign key constraints in PHP Is there a way to override mysql foreign key constraints.. in PHP Is there a way to override mysql foreign key constraints in a php script I have a query passed to mysql from php but.. query passed to mysql from php but it fails a foreign key constraint is there any way to get around this without altering the db..
ALTER TABLE in Magento setup script without using SQL http://stackoverflow.com/questions/4315660/alter-table-in-magento-setup-script-without-using-sql INT 10 DECIMAL 12 4 etc addConstraint method creates a new constraint foreign key. It has such parameters fkName the foreing key name..
ON DELETE CASCADE not working in MySQL http://stackoverflow.com/questions/5308255/on-delete-cascade-not-working-in-mysql The MyISAM storage engine doesn't support foreign key constraints. The constraint is parsed but silently ignored. To fix your.. engine doesn't support foreign key constraints. The constraint is parsed but silently ignored. To fix your problem use the..
Fastest way to insert 134675 values in remote database http://stackoverflow.com/questions/6231285/fastest-way-to-insert-134675-values-in-remote-database only insert values and nothing more than that. And its a constraint on the mySQL DB. I cannot use CSV or any other thing. php mysql..
http://stackoverflow.com/questions/7181853/parse-html-as-php use redirects or only target specific HTML files. The constraint is that I am redesigning an existing site 400 HTML pages each..
How to POST backbone model data to DB through Slim php and Paris http://stackoverflow.com/questions/9053405/how-to-post-backbone-model-data-to-db-through-slim-php-and-paris XMLHttpRequest is responseText SQLSTATE 23000 Integrity constraint violation 1048 Column 'name' cannot be null. So my guess is..
http://stackoverflow.com/questions/9149322/key-groups-with-apc-cache of objects will need to be done based on some namespace constraint or a modification to the cache layer itself. I'd hoped to find.. of APC itself here's what I would do Define a namespace constraint that your entries conform to. As you've originally defined above.. so before you started to experience real memory pain at a constraint of for example a few hundred megabytes. Tamas Imrei beat me..
Why and how would you use Exceptions in this sample PHP code? http://stackoverflow.com/questions/935490/why-and-how-would-you-use-exceptions-in-this-sample-php-code this can't be done e.g. a database error occurs or a data constraint is broken then you could throw an exception to indicate failure...
Store all data changes with every details (like Stackoverflow) [closed] http://stackoverflow.com/questions/9852703/store-all-data-changes-with-every-details-like-stackoverflow deleted. Otherwise you will have to remove every NOT NULL constraint in the history table as well. Some important notes regarding..
Handling foreign key exceptions in PHP http://stackoverflow.com/questions/1744190/handling-foreign-key-exceptions-in-php row a foreign key constraint fails `dbname`.`childtable` CONSTRAINT `FK_name_1` FOREIGN KEY `fieldName` REFERENCES `parenttable`..
Turn database result into array http://stackoverflow.com/questions/2794638/turn-database-result-into-array NOT NULL levels between a and d PRIMARY KEY `a` `d` CONSTRAINT `closure_ibfk_1` FOREIGN KEY `a` REFERENCES `longnames` `tsn`.. FOREIGN KEY `a` REFERENCES `longnames` `tsn` CONSTRAINT `closure_ibfk_2` FOREIGN KEY `d` REFERENCES `longnames` `tsn`..
Many-to-many relationships examples http://stackoverflow.com/questions/2923809/many-to-many-relationships-examples SMALLINT UNSIGNED NOT NULL PRIMARY KEY `Student` `Course` CONSTRAINT `Constr_CourseMembership_Student_fk` FOREIGN KEY `Student_fk`.. `Student` `StudentID` ON DELETE CASCADE ON UPDATE CASCADE CONSTRAINT `Constr_CourseMembership_Course_fk` FOREIGN KEY `Course_fk`..
Need help understanding Doctrine many to many self referencing code http://stackoverflow.com/questions/3290319/need-help-understanding-doctrine-many-to-many-self-referencing-code PRIMARY KEY `teacher` `student` KEY `student` `student` CONSTRAINT `teachers_students_ibfk_2` FOREIGN KEY `student` REFERENCES.. FOREIGN KEY `student` REFERENCES `users` `id` CONSTRAINT `teachers_students_ibfk_1` FOREIGN KEY `teacher` REFERENCES..
How to debug MySQL/Doctrine2 Queries? http://stackoverflow.com/questions/4570608/how-to-debug-mysql-doctrine2-queries `assigned_id` KEY `tasks_list_id_idx` `list_id` CONSTRAINT `tasks_ibfk_1` FOREIGN KEY `owner_id` REFERENCES `users` `id`.. FOREIGN KEY `owner_id` REFERENCES `users` `id` CONSTRAINT `tasks_ibfk_2` FOREIGN KEY `assigned_id` REFERENCES `users`.. FOREIGN KEY `assigned_id` REFERENCES `users` `id` CONSTRAINT `tasks_ibfk_3` FOREIGN KEY `list_id` REFERENCES `lists` `id`..
ON DELETE CASCADE not working in MySQL http://stackoverflow.com/questions/5308255/on-delete-cascade-not-working-in-mysql `app_id` ASC INDEX `app_tab_key` `app_id` ASC CONSTRAINT `app_tab_key` FOREIGN KEY `app_id` REFERENCES `myDB`.`app_info`..
Compressing text before storing it in the database http://stackoverflow.com/questions/8228950/compressing-text-before-storing-it-in-the-database KEY `key_book_id` `book_id` `is_public` `order_num` CONSTRAINT FOREIGN KEY `book_id` REFERENCES `books` `id` ON DELETE CASCADE..
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