Module: ActiveRecord::ConnectionAdapters::OracleEnhanced::Quoting::ClassMethods

Defined in:
lib/active_record/connection_adapters/oracle_enhanced/quoting.rb

Overview

:nodoc:

Instance Method Summary collapse

Instance Method Details

#column_name_matcher ⇒ Object

:nodoc:



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# File 'lib/active_record/connection_adapters/oracle_enhanced/quoting.rb', line 15

def column_name_matcher
  /
\A
(
  (?:
    # "table_name"."column_name" | function(one or no argument)
    ((?:\w+\.|"\w+"\.)?(?:\w+|"\w+") | \w+\((?:|\g<2>)\))
  )
  (?:(?:\s+AS)?\s+(?:\w+|"\w+"))?
)
(?:\s*,\s*\g<1>)*
\z
        /ix
end

#column_name_with_order_matcher ⇒ Object 



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# File 'lib/active_record/connection_adapters/oracle_enhanced/quoting.rb', line 30

def column_name_with_order_matcher
  /
\A
(
  (?:
    # "table_name"."column_name" | function(one or no argument)
    ((?:\w+\.|"\w+"\.)?(?:\w+|"\w+") | \w+\((?:|\g<2>)\))
  )
  (?:\s+ASC|\s+DESC)?
  (?:\s+NULLS\s+(?:FIRST|LAST))?
)
(?:\s*,\s*\g<1>)*
\z
        /ix
end

#quote_column_name(name) ⇒ Object

:nodoc:



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# File 'lib/active_record/connection_adapters/oracle_enhanced/quoting.rb', line 46

def quote_column_name(name) # :nodoc:
  name = name.to_s
  QUOTED_COLUMN_NAMES[name] ||= if /\A[a-z][a-z_0-9$#]*\Z/.match?(name)
    "\"#{name.upcase}\""
  else
    # remove double quotes which cannot be used inside quoted identifier
    "\"#{name.delete('"')}\""
  end
end

#quote_table_name(name) ⇒ Object

:nodoc:



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# File 'lib/active_record/connection_adapters/oracle_enhanced/quoting.rb', line 56

def quote_table_name(name) # :nodoc:
  name, _link = name.to_s.split("@")
  QUOTED_TABLE_NAMES[name] ||= [name.split(".").map { |n| quote_column_name(n) }].join(".")
end