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Contents
module Sequel
module Informix
module DatabaseMethods
TEMPORARY = 'TEMP '.freeze
# Informix uses the :informix database type
def database_type
:informix
end
private
# Informix has issues with quoted identifiers, so
# turn off database quoting by default.
def quote_identifiers_default
false
end
# SQL fragment for showing a table is temporary
def temporary_table_sql
TEMPORARY
end
end
module DatasetMethods
SELECT_CLAUSE_METHODS = Dataset.clause_methods(:select, %w'select limit distinct columns from join where having group compounds order')
FIRST = " FIRST ".freeze
SKIP = " SKIP ".freeze
private
# Informix does not support INTERSECT or EXCEPT
def supports_intersect_except?
false
end
def select_clause_methods
SELECT_CLAUSE_METHODS
end
def select_limit_sql(sql)
if o = @opts[:offset]
sql << SKIP
literal_append(sql, o)
end
if l = @opts[:limit]
sql << FIRST
literal_append(sql, l)
end
end
end
end
end
Version data entries
20 entries across 20 versions & 1 rubygems