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# frozen-string-literal: true
Sequel::JDBC.load_driver('com.ibm.db2.jcc.DB2Driver')
require_relative '../shared/db2'
require_relative 'transactions'
module Sequel
module JDBC
Sequel.synchronize do
DATABASE_SETUP[:db2] = proc do |db|
db.singleton_class.class_eval do
alias jdbc_schema_parse_table schema_parse_table
alias jdbc_tables tables
alias jdbc_views views
alias jdbc_indexes indexes
include Sequel::JDBC::DB2::DatabaseMethods
alias schema_parse_table jdbc_schema_parse_table
alias tables jdbc_tables
alias views jdbc_views
alias indexes jdbc_indexes
%w'schema_parse_table tables views indexes'.each do |s|
remove_method(:"jdbc_#{s}")
end
end
db.extend_datasets Sequel::DB2::DatasetMethods
com.ibm.db2.jcc.DB2Driver
end
end
module DB2
module DatabaseMethods
include Sequel::DB2::DatabaseMethods
include Sequel::JDBC::Transactions
private
def set_ps_arg(cps, arg, i)
case arg
when Sequel::SQL::Blob
if use_clob_as_blob
cps.setString(i, arg)
else
super
end
else
super
end
end
def last_insert_id(conn, opts=OPTS)
statement(conn) do |stmt|
sql = "SELECT IDENTITY_VAL_LOCAL() FROM SYSIBM.SYSDUMMY1"
rs = log_connection_yield(sql, conn){stmt.executeQuery(sql)}
rs.next
rs.getLong(1)
end
end
# Primary key indexes appear to be named sqlNNNN on DB2
def primary_key_index_re
/\Asql\d+\z/i
end
def setup_type_convertor_map
super
map = @type_convertor_map
types = Java::JavaSQL::Types
map[types::NCLOB] = map[types::CLOB] = method(:convert_clob)
end
def convert_clob(r, i)
if v = r.getClob(i)
v = v.getSubString(1, v.length)
v = Sequel::SQL::Blob.new(v) if use_clob_as_blob
v
end
end
end
end
end
end
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