Class: TableCopy::PG::Index

Inherits:
Object
  • Object
show all
Defined in:
lib/table_copy/pg/index.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(table, name, columns) ⇒ Index

Returns a new instance of Index.



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# File 'lib/table_copy/pg/index.rb', line 6

def initialize(table, name, columns)
  @table   = table
  @name    = name
  @columns = columns
end

Instance Attribute Details

#columns ⇒ Object (readonly)

Returns the value of attribute columns.



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# File 'lib/table_copy/pg/index.rb', line 4

def columns
  @columns
end

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/table_copy/pg/index.rb', line 4

def name
  @name
end

#table ⇒ Object (readonly)

Returns the value of attribute table.



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# File 'lib/table_copy/pg/index.rb', line 4

def table
  @table
end

Instance Method Details

#create ⇒ Object 



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# File 'lib/table_copy/pg/index.rb', line 12

def create
  @create ||= "create index on #{table} using btree (#{columns.join(', ')})"
end

#drop ⇒ Object 



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# File 'lib/table_copy/pg/index.rb', line 16

def drop
  @drop ||= "drop index if exists #{name}"
end