class Jennifer::QueryBuilder::Condition

• Jennifer::QueryBuilder::Condition
• Reference
• Object

Overview

Container for any kind of expression/condition.

Included Modules

• Jennifer::QueryBuilder::LogicOperator::Operators
• Jennifer::QueryBuilder::Statement

Defined in:

Constant Summary

IN_OPERATOR_PATTERN = "%s IN(%s)"

Constructors

• .new(field : String, table : String, relation = nil)
• .new(lhs, operator, rhs)
• .new(lhs)

Instance Method Summary

• #==(other)

  Returns false (other can only be a Value here).

• #alias_tables(aliases)
• #as_sql(generator)

  Converts node to SQL using sql_generator SQLGenerator.

• #as_sql
• #change_table(old_name, new_name)
• #clone

  Returns a copy of self with all instance variables cloned.

• #eql?(other : Condition)
• #eql?(other)
• #filterable?

  Returns whether node has an argument to be added to SQL statement arguments.

• #lhs : SQLNode

  Left hand side of condition.

• #not

  Makes condition negative.

• #operator : Symbol

  Condition operator.

• #rhs : Criteria::Rightable?

  Right hand side of condition.

• #set_relation(table, name)
• #sql_args : Array(DBAny)

  Returns array of SQL query arguments.

• #to_s(io : IO)

  Appends a short String representation of this object which includes its class name and its object address.

Constructor Detail

Instance Method Detail

class Person
  def initialize(@name : String, @age : Int32)
  end
end

Person.new("John", 32).to_s # => #<Person:0x10a199f20>