Class Sequel::IBMDB::Dataset
In: lib/sequel/adapters/ibmdb.rb
Parent: Sequel::Dataset

Methods

Included Modules

Sequel::DB2::DatasetMethods

Classes and Modules

Module Sequel::IBMDB::Dataset::CallableStatementMethods
Module Sequel::IBMDB::Dataset::PreparedStatementMethods

Constants

DatasetClass = self

Attributes

convert_smallint_to_bool  [W]  Override the default IBMDB.convert_smallint_to_bool setting for this dataset.

Public Instance methods

Emulate support of bind arguments in called statements.

[Source]

     # File lib/sequel/adapters/ibmdb.rb, line 394
394:       def call(type, bind_arguments={}, *values, &block)
395:         ps = to_prepared_statement(type, values)
396:         ps.extend(CallableStatementMethods)
397:         ps.call(bind_arguments, &block)
398:       end

Whether to convert smallint to boolean arguments for this dataset. Defaults to the IBMDB module setting.

[Source]

     # File lib/sequel/adapters/ibmdb.rb, line 402
402:       def convert_smallint_to_bool
403:         defined?(@convert_smallint_to_bool) ? @convert_smallint_to_bool : (@convert_smallint_to_bool = IBMDB.convert_smallint_to_bool)
404:       end

Fetch the rows from the database and yield plain hashes.

[Source]

     # File lib/sequel/adapters/ibmdb.rb, line 410
410:       def fetch_rows(sql)
411:         execute(sql) do |stmt|
412:           offset = @opts[:offset]
413:           columns = []
414:           convert = convert_smallint_to_bool
415:           cps = db.conversion_procs
416:           stmt.num_fields.times do |i|
417:             k = stmt.field_name i
418:             key = output_identifier(k)
419:             type = stmt.field_type(k).downcase.to_sym
420:             # decide if it is a smallint from precision
421:             type = :boolean  if type ==:int && convert && stmt.field_precision(k) < 8
422:             columns << [key, cps[type]]
423:           end
424:           cols = columns.map{|c| c.at(0)}
425:           cols.delete(row_number_column) if offset
426:           @columns = cols
427: 
428:           while res = stmt.fetch_array
429:             row = {}
430:             res.zip(columns).each do |v, (k, pr)|
431:               row[k] = ((pr ? pr.call(v) : v) if v)
432:             end
433:             row.delete(row_number_column) if offset
434:             yield row
435:           end
436:         end
437:         self
438:       end

Store the given type of prepared statement in the associated database with the given name.

[Source]

     # File lib/sequel/adapters/ibmdb.rb, line 442
442:       def prepare(type, name=nil, *values)
443:         ps = to_prepared_statement(type, values)
444:         ps.extend(PreparedStatementMethods)
445:         if name
446:           ps.prepared_statement_name = name
447:           db.set_prepared_statement(name, ps)
448:         end
449:         ps
450:       end

[Validate]