module Sequel::Dataset::ArgumentMapper
Default implementation of the argument mapper to allow native database support for bind variables and prepared statements (as opposed to the emulated ones used by default).
Public Instance Methods
bind_arguments()
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The bind arguments to use for running this prepared statement
# File lib/sequel/dataset/prepared_statements.rb, line 50 def bind_arguments @opts[:bind_arguments] end
call(bind_vars={}, &block)
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Set the bind arguments based on the hash and call super.
# File lib/sequel/dataset/prepared_statements.rb, line 55 def call(bind_vars={}, &block) sql = prepared_sql prepared_args.freeze ps = bind(bind_vars) ps.clone(:bind_arguments=>ps.map_to_prepared_args(ps.opts[:bind_vars]), :sql=>sql, :prepared_sql=>sql).run(&block) end
prepared_sql()
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Override the given *_sql method based on the type, and cache the result of the sql.
Calls superclass method
# File lib/sequel/dataset/prepared_statements.rb, line 64 def prepared_sql if sql = @opts[:prepared_sql] || cache_get(:_prepared_sql) return sql end cache_set(:_prepared_sql, super) end
prepared_statement_name()
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The name of the prepared statement, if any.
# File lib/sequel/dataset/prepared_statements.rb, line 45 def prepared_statement_name @opts[:prepared_statement_name] end