Class Sequel::Oracle::Dataset
In: lib/sequel/adapters/oracle.rb
Parent: Sequel::Dataset

Methods

Included Modules

DatasetMethods

Classes and Modules

Module Sequel::Oracle::Dataset::ArgumentMapper
Module Sequel::Oracle::Dataset::BindArgumentMethods
Module Sequel::Oracle::Dataset::PreparedStatementMethods

Constants

DatasetClass = self
PREPARED_ARG_PLACEHOLDER = ':'.freeze

Public Instance methods

Execute the given type of statement with the hash of values.

[Source]

     # File lib/sequel/adapters/oracle.rb, line 396
396:       def call(type, bind_vars={}, *values, &block)
397:         ps = to_prepared_statement(type, values)
398:         ps.extend(BindArgumentMethods)
399:         ps.call(bind_vars, &block)
400:       end

[Source]

     # File lib/sequel/adapters/oracle.rb, line 402
402:       def fetch_rows(sql)
403:         execute(sql) do |cursor|
404:           cps = db.conversion_procs
405:           cols = columns = cursor.get_col_names.map{|c| output_identifier(c)}
406:           metadata = cursor.column_metadata
407:           cm = cols.zip(metadata).map{|c, m| [c, cps[m.data_type]]}
408:           @columns = columns
409:           while r = cursor.fetch
410:             row = {}
411:             r.zip(cm).each{|v, (c, cp)| row[c] = ((v && cp) ? cp.call(v) : v)}
412:             yield row
413:           end
414:         end
415:         self
416:       end

Prepare the given type of query with the given name and store it in the database. Note that a new native prepared statement is created on each call to this prepared statement.

[Source]

     # File lib/sequel/adapters/oracle.rb, line 421
421:       def prepare(type, name=nil, *values)
422:         ps = to_prepared_statement(type, values)
423:         ps.extend(PreparedStatementMethods)
424:         if name
425:           ps.prepared_statement_name = name
426:           db.set_prepared_statement(name, ps)
427:         end
428:         ps
429:       end

Oracle requires type specifiers for placeholders, at least if you ever want to use a nil/NULL value as the value for the placeholder.

[Source]

     # File lib/sequel/adapters/oracle.rb, line 434
434:       def requires_placeholder_type_specifiers?
435:         true
436:       end

[Validate]