ruby sequel is not null

You can use exclude instead of where. dwn.220.v.ua().exclude(name: nil)....

You can use exclude instead of where. dwn.220.v.ua().exclude(name: nil).

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dwn.220.v.ua(category: 'ruby').sql # "SELECT * FROM items WH...

dwn.220.v.ua(category: 'ruby').sql # "SELECT * FROM items WHERE (category = 'ruby')". Sequel can check for null values: . 'ruby')" dwn.220.v.uae(:active).sql # "SELECT * FROM items WHERE NOT active".

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In Sequel, SQL identifiers are usually specified as Ruby symbols::column # ...

In Sequel, SQL identifiers are usually specified as Ruby symbols::column # "column" . Sequel.~(column: nil) # ("column" IS NOT NULL) Sequel.~(column: true).

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Sequel: The Database Toolkit for Ruby dwn.220.v.ua .. dwn.220.v.ua(dwn.220....

Sequel: The Database Toolkit for Ruby dwn.220.v.ua .. dwn.220.v.ua(dwn.220.v.ua('stamp IS NOT NULL')) # WHERE (stamp IS NOT NULL).

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Here's a list of all ruby classes that Sequel will convert to database...

Here's a list of all ruby classes that Sequel will convert to database types: Mark the column as allowing NULL values (if true), or not allowing NULL values (if.

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Sequel makes it easy to take an SQL query and return it as a ruby hash, usi...

Sequel makes it easy to take an SQL query and return it as a ruby hash, using .. to count, it will return the number of records where that expression in not NULL.

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Don't call validate_presence on not null columns with non-ruby default...

Don't call validate_presence on not null columns with non-ruby defaults. Ruby arrays are literalized as SQL value lists by default, and the.

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require 'rubygems' require 'sequel' DB = dwn.220.v.ua(&...

require 'rubygems' require 'sequel' DB = dwn.220.v.ua('dwn.220.v.ua') DB dwn.220.v.ua "CREATE TABLE users (name VARCHAR() NOT NULL, age INT(3) NOT.

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SQL does not use the equality comparison for null values, it uses 'IS ...

SQL does not use the equality comparison for null values, it uses 'IS NULL' instead. Convenient, isn't it? ;) Apparently Rails' magic does not go.

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A dataset represents an SQL query, or more generally, an abstract set of ro...

A dataset represents an SQL query, or more generally, an abstract set of rows in the my_posts = DB[:posts].filter(:author => 'david') # no records are retrieved.

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Old and busted # dwn.220.v.ua('name IS NOT NULL') # New hotness d...

Old and busted # dwn.220.v.ua('name IS NOT NULL') # New hotness dwn.220.v.ua(name: nil) I prefer the pure-Ruby approach of the dwn.220.v.ua version instead of the string SQL of the latter because it's easier to read and it's.

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CREATE TABLE users (id serial not null, settings jsonb not null default �...

CREATE TABLE users (id serial not null, settings jsonb not null default '{}' . using Ruby, so you're better off changing the dump format to SQL.

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Study Sequel Gem flashcards online, or in Brainscape's iPhone or Andro...

Study Sequel Gem flashcards online, or in Brainscape's iPhone or Android app. SQL database access toolkit for Ruby. 2 . dwn.220.v.ua('stamp IS NOT NULL').

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11 Apr on ruby, hanami, rails, sequel, rspec, and tutorial. alter table sch...

11 Apr on ruby, hanami, rails, sequel, rspec, and tutorial. alter table schema_migrations add column filename varchar not null; ALTER.

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SQL Basics: SQLite3 Ruby Driver Part 2 TABLE "employees" ("t...

SQL Basics: SQLite3 Ruby Driver Part 2 TABLE "employees" ("token" integer(8), "name" varchar(20) NOT NULL)' dwn.220.v.uae "INSERT INTO.

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