/usr/lib/ruby/vendor_ruby/sequel/adapters/jdbc/db2.rb is in ruby-sequel 4.1.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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Sequel.require 'adapters/jdbc/transactions'
module Sequel
module JDBC
class Database
# Alias the generic JDBC versions so they can be called directly later
alias jdbc_schema_parse_table schema_parse_table
alias jdbc_tables tables
alias jdbc_views views
alias jdbc_indexes indexes
end
# Database and Dataset instance methods for DB2 specific
# support via JDBC.
module DB2
# Database instance methods for DB2 databases accessed via JDBC.
module DatabaseMethods
extend Sequel::Database::ResetIdentifierMangling
PRIMARY_KEY_INDEX_RE = /\Asql\d+\z/i.freeze
include Sequel::DB2::DatabaseMethods
include Sequel::JDBC::Transactions
IDENTITY_VAL_LOCAL = "SELECT IDENTITY_VAL_LOCAL() FROM SYSIBM.SYSDUMMY1".freeze
%w'schema_parse_table tables views indexes'.each do |s|
class_eval("def #{s}(*a) jdbc_#{s}(*a) end", __FILE__, __LINE__)
end
private
def set_ps_arg(cps, arg, i)
case arg
when Sequel::SQL::Blob
cps.setString(i, arg)
else
super
end
end
def last_insert_id(conn, opts=OPTS)
statement(conn) do |stmt|
sql = IDENTITY_VAL_LOCAL
rs = log_yield(sql){stmt.executeQuery(sql)}
rs.next
rs.getInt(1)
end
end
# Primary key indexes appear to be named sqlNNNN on DB2
def primary_key_index_re
PRIMARY_KEY_INDEX_RE
end
end
class Dataset < JDBC::Dataset
include Sequel::DB2::DatasetMethods
class ::Sequel::JDBC::Dataset::TYPE_TRANSLATOR
def db2_clob(v) Sequel::SQL::Blob.new(v.getSubString(1, v.length)) end
end
DB2_CLOB_METHOD = TYPE_TRANSLATOR_INSTANCE.method(:db2_clob)
private
# Return clob as blob if use_clob_as_blob is true
def convert_type_proc(v)
case v
when JAVA_SQL_CLOB
::Sequel::DB2::use_clob_as_blob ? DB2_CLOB_METHOD : super
else
super
end
end
end
end
end
end
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