Class: DefaultingRowSet

Inherits:
Object
  • Object
show all
Defined in:
lib/dbexpect/defaulting_row_set.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ DefaultingRowSet

Returns a new instance of DefaultingRowSet.



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# File 'lib/dbexpect/defaulting_row_set.rb', line 23

def initialize
  @defaults = Hash.new
  @rows = []

  @columns_in_order = []
end

Instance Attribute Details

#columns_in_order ⇒ Object

Returns the value of attribute columns_in_order.



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# File 'lib/dbexpect/defaulting_row_set.rb', line 20

def columns_in_order
  @columns_in_order
end

#defaults ⇒ Object

Returns the value of attribute defaults.



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# File 'lib/dbexpect/defaulting_row_set.rb', line 19

def defaults
  @defaults
end

#rows ⇒ Object

Returns the value of attribute rows.



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# File 'lib/dbexpect/defaulting_row_set.rb', line 21

def rows
  @rows
end

Instance Method Details

#add_row(column_values) ⇒ Object 



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# File 'lib/dbexpect/defaulting_row_set.rb', line 35

def add_row(column_values)
  column_values.keys.map {|col| add_column(col) }

  defaulted_row = set_defaults_at_time_of_addition(column_values)
  @rows << Row.new(defaulted_row,@columns_in_order & defaulted_row.keys)
  @rows.last
end

#empty? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/dbexpect/defaulting_row_set.rb', line 53

def empty?
  @rows.empty?
end

#insert_statements(schema, name) ⇒ Object 



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# File 'lib/dbexpect/defaulting_row_set.rb', line 43

def insert_statements(schema,name)
  @rows.collect do |row|
    row.insert_stmt(schema,name)
  end
end

#set_default(column, value) ⇒ Object 



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# File 'lib/dbexpect/defaulting_row_set.rb', line 30

def set_default(column,value)
  add_column(column)
  @defaults[column] = value
end

#where_clauses ⇒ Object 



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# File 'lib/dbexpect/defaulting_row_set.rb', line 49

def where_clauses
  @rows.map(&:where_clause)
end