[Solved] function to sanitize input to Mysql database
SQL : How to sanitize database inputs in C or Objective-C?
How do I sanitize SQL without using prepared statements in PHP?
SQL : how does codeigniter sanitize inputs?
VIDEO
mysqli sanitize 1
Using Ruby on Rails with Cloud SQL for PostgreSQL on Cloud Run
Rails DB (version 0.9)
SQL Server Tip: Quickly Alias Columns
Class 5
Window Function
COMMENTS
How to sanitize sql fragment in Rails
Here a solution that works with Rails 4: In ActiveRecord::Sanitization::ClassMethods you have sanitize_sql_for_conditions and its two other aliases: sanitize_conditions and sanitize_sql.The three do literally the exact same thing. sanitize_sql_for_conditions. Accepts an array, hash, or string of SQL conditions and sanitizes them into a valid SQL fragment for a WHERE clause.
Module ActiveRecord::Sanitization::ClassMethods
Accepts an array of conditions. The array has each value sanitized and interpolated into the SQL statement. If using named bind variables in SQL statements where a colon is required verbatim use a backslash to escape.
Best way to go about sanitizing user input in rails
sanitize_sql_for_conditions. Accepts an array, hash, or string of SQL conditions and sanitizes them into a valid SQL fragment for a WHERE clause. However, in ActiveRecord you also have. sanitize_sql_for_assignment which. Accepts an array, hash, or string of SQL conditions and sanitizes them into a valid SQL fragment for a SET clause.
sanitize_sql_for_assignment(assignments, default_table_name = table_name) public Accepts an array, hash, or string of SQL conditions and sanitizes them into a valid SQL fragment for a SET clause.
ActiveRecord::Sanitization::ClassMethods
Accepts an array, hash, or string of SQL conditions and sanitizes them into a valid SQL fragment for a SET clause. { name: nil, group_id: 4 } returns "name = NULL , group_id='4'". Source: show | on GitHub. sanitize_sql_for_conditions (condition, table_name = self.table_name) Link. Accepts an array, hash, or string of SQL conditions and ...
Module: ActiveRecord::Sanitization::ClassMethods
#sanitize_sql_for_assignment(assignments, default_table_name = table_name) Accepts an array, hash, or string of SQL conditions and sanitizes them into a valid SQL fragment for a SET clause. # sanitize_sql_for_conditions (condition) (also: #sanitize_sql)
Accepts an array, hash, or string of SQL conditions and sanitizes them into a valid SQL fragment for a SET clause. {:name => nil,:group_id => 4} returns " name = NULL ...
ActiveRecord::Sanitization::ClassMethods
sanitize_sql_for_assignment(assignments, default_table_name = table_name) Accepts an array, hash, or string of SQL conditions and sanitizes them into a valid SQL fragment for a SET clause.
Sanitizing SQL in Rails/ActiveRecord
You may notice before the method is 'conn'. Before I use these methods I write: conn = ActiveRecord::Base so I can use conn as the base for the sanitization methods. In the end, my sql query looked like this: sql2 = <<~SQL. SELECT u.*, COALESCE(matching_tag_counts.n, 0) AS similarity_score.
sanitize_sql_for_assignment (ActiveRecord::Base)
ActiveRecord::Sanitization::ClassMethods#sanitize_sql_for_assignment sanitize_sql_for_assignment (assignments) protected Accepts an array, hash, or string of SQL conditions and sanitizes them into a valid SQL fragment for a SET clause.
Sanitizing Complex SQL Queries in Rails like a Pro
It can be called like below, Customer.sanitize_sql_for_assignment([sql, id, name]) Here Customer can be any ActiveRecord class. Id and Name are bindings in SQL. This invocation will return sanitized SQL that could be readily used to get executed using exec_queryand return hash for us.
ActiveRecord::Sanitization::ClassMethods
sanitize_sql_for_assignment(assignments, default_table_name = table_name) Accepts an array or hash of SQL conditions and sanitizes them into a valid SQL fragment for a SET clause.
Make .sanitize_sql_for_assignment public #29507
Fortunately there is a method for sanitizing sql queries, however it is private. Even the docs have an example on how to use it and advise to use it with send: Post.send(:sanitize_sql_for_assignment, { name: nil, group_id: 4 }) If it's advised in the docs, it should not be private. I believe it is a perfectly valid use case to execute raw SQL ...
ActiveRecord::Sanitization::ClassMethods
sanitize_sql_for_assignment(assignments, default_table_name = table_name) Accepts an array, hash, or string of SQL conditions and sanitizes them into a valid SQL fragment for a SET clause.
Module ActiveRecord::Sanitization::ClassMethods
Accepts an array of conditions. The array has each value sanitized and interpolated into the SQL statement. sanitize_sql_array(["name=? and group_id=?", "foo'bar", 4 ...
Module ActiveRecord::Sanitization::ClassMethods
Sanitizes a hash of attribute/value pairs into SQL conditions for a SET clause. # => "`posts`.`status` = NULL, `posts`.`group_id` = 1". Sanitizes a string so that it is safe to use within an SQL LIKE statement. This method uses escape_character to escape all occurrences of "", "_" and "%".
Accepts an array or string of SQL conditions and sanitizes them into a valid SQL fragment for a WHERE clause. sanitize_sql_for_conditions ([" name=? and group_id ...
sql
In a Rails 3 model you used to be able to do: query = self.sanitize_sql_array(["SELECT MONTH(created) AS month, YEAR(created) AS year FROM orders WHERE created>=? AND created<=? GROUP BY month
sanitize_sql_for_conditions(condition, table_name = self.table_name) protected Accepts an array, hash, or string of SQL conditions and sanitizes them into a valid SQL fragment for a WHERE clause.
IMAGES
VIDEO
COMMENTS
Here a solution that works with Rails 4: In ActiveRecord::Sanitization::ClassMethods you have sanitize_sql_for_conditions and its two other aliases: sanitize_conditions and sanitize_sql.The three do literally the exact same thing. sanitize_sql_for_conditions. Accepts an array, hash, or string of SQL conditions and sanitizes them into a valid SQL fragment for a WHERE clause.
Accepts an array of conditions. The array has each value sanitized and interpolated into the SQL statement. If using named bind variables in SQL statements where a colon is required verbatim use a backslash to escape.
sanitize_sql_for_conditions. Accepts an array, hash, or string of SQL conditions and sanitizes them into a valid SQL fragment for a WHERE clause. However, in ActiveRecord you also have. sanitize_sql_for_assignment which. Accepts an array, hash, or string of SQL conditions and sanitizes them into a valid SQL fragment for a SET clause.
sanitize_sql_for_assignment(assignments, default_table_name = table_name) public Accepts an array, hash, or string of SQL conditions and sanitizes them into a valid SQL fragment for a SET clause.
Accepts an array, hash, or string of SQL conditions and sanitizes them into a valid SQL fragment for a SET clause. { name: nil, group_id: 4 } returns "name = NULL , group_id='4'". Source: show | on GitHub. sanitize_sql_for_conditions (condition, table_name = self.table_name) Link. Accepts an array, hash, or string of SQL conditions and ...
#sanitize_sql_for_assignment(assignments, default_table_name = table_name) Accepts an array, hash, or string of SQL conditions and sanitizes them into a valid SQL fragment for a SET clause. # sanitize_sql_for_conditions (condition) (also: #sanitize_sql)
Accepts an array, hash, or string of SQL conditions and sanitizes them into a valid SQL fragment for a SET clause. {:name => nil,:group_id => 4} returns " name = NULL ...
sanitize_sql_for_assignment(assignments, default_table_name = table_name) Accepts an array, hash, or string of SQL conditions and sanitizes them into a valid SQL fragment for a SET clause.
You may notice before the method is 'conn'. Before I use these methods I write: conn = ActiveRecord::Base so I can use conn as the base for the sanitization methods. In the end, my sql query looked like this: sql2 = <<~SQL. SELECT u.*, COALESCE(matching_tag_counts.n, 0) AS similarity_score.
ActiveRecord::Sanitization::ClassMethods#sanitize_sql_for_assignment sanitize_sql_for_assignment (assignments) protected Accepts an array, hash, or string of SQL conditions and sanitizes them into a valid SQL fragment for a SET clause.
It can be called like below, Customer.sanitize_sql_for_assignment([sql, id, name]) Here Customer can be any ActiveRecord class. Id and Name are bindings in SQL. This invocation will return sanitized SQL that could be readily used to get executed using exec_queryand return hash for us.
sanitize_sql_for_assignment(assignments, default_table_name = table_name) Accepts an array or hash of SQL conditions and sanitizes them into a valid SQL fragment for a SET clause.
Fortunately there is a method for sanitizing sql queries, however it is private. Even the docs have an example on how to use it and advise to use it with send: Post.send(:sanitize_sql_for_assignment, { name: nil, group_id: 4 }) If it's advised in the docs, it should not be private. I believe it is a perfectly valid use case to execute raw SQL ...
sanitize_sql_for_assignment(assignments, default_table_name = table_name) Accepts an array, hash, or string of SQL conditions and sanitizes them into a valid SQL fragment for a SET clause.
Accepts an array of conditions. The array has each value sanitized and interpolated into the SQL statement. sanitize_sql_array(["name=? and group_id=?", "foo'bar", 4 ...
Sanitizes a hash of attribute/value pairs into SQL conditions for a SET clause. # => "`posts`.`status` = NULL, `posts`.`group_id` = 1". Sanitizes a string so that it is safe to use within an SQL LIKE statement. This method uses escape_character to escape all occurrences of "", "_" and "%".
Accepts an array or string of SQL conditions and sanitizes them into a valid SQL fragment for a WHERE clause. sanitize_sql_for_conditions ([" name=? and group_id ...
In a Rails 3 model you used to be able to do: query = self.sanitize_sql_array(["SELECT MONTH(created) AS month, YEAR(created) AS year FROM orders WHERE created>=? AND created<=? GROUP BY month
sanitize_sql_for_conditions(condition, table_name = self.table_name) protected Accepts an array, hash, or string of SQL conditions and sanitizes them into a valid SQL fragment for a WHERE clause.