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|#

;;;; PostgreSQL Interface
;;; package: (runtime postgresql)

(declare (usual-integrations))

;;; Access to the PostgreSQL library is now accomplished with the FFI
;;; rather than a microcode module.  The bindings in this package are
;;; linked to those in the (pgsql) package after the plugin is loaded.

(define linked? #f)

(define (pgsql-available?)
  (and (plugin-available? "pgsql")
       (or linked?
	   (begin
	     (load-option 'pgsql)
	     (link!)
	     #t))))

(define (link!)
  (for-each
    (let ((runtime (->environment '(runtime postgresql)))
	  (pgsql (->environment '(pgsql))))
      (lambda (name)
	(environment-link-name runtime pgsql name)))
    names)
  (set! linked? #t))

(define names
  '(call-with-pgsql-conn
    close-pgsql-conn
    condition-type:pgsql-connection-error
    condition-type:pgsql-error
    condition-type:pgsql-query-error
    decode-pgsql-bytea
    encode-pgsql-bytea
    escape-pgsql-string
    exec-pgsql-query
    guarantee-pgsql-available
    make-empty-pgsql-result
    open-pgsql-conn
    pgsql-bad-response
    pgsql-clear
    pgsql-cmd-status
    pgsql-cmd-tuples
    pgsql-command-ok
    pgsql-conn-db
    pgsql-conn-error-message
    pgsql-conn-host
    pgsql-conn-open?
    pgsql-conn-options
    pgsql-conn-pass
    pgsql-conn-port
    pgsql-conn-reset
    pgsql-conn-reset-start
    pgsql-conn-status
    pgsql-conn-tty
    pgsql-conn-user
    pgsql-connection-auth-ok
    pgsql-connection-awaiting-response
    pgsql-connection-bad
    pgsql-connection-made
    pgsql-connection-ok
    pgsql-connection-setenv
    pgsql-connection-started
    pgsql-copy-in
    pgsql-copy-out
    pgsql-empty-query
    pgsql-fatal-error
    pgsql-field-name
    pgsql-get-is-null?
    pgsql-get-line
    pgsql-get-value
    pgsql-n-fields
    pgsql-n-tuples
    pgsql-nonfatal-error
    pgsql-polling-active
    pgsql-polling-failed
    pgsql-polling-ok
    pgsql-polling-reading
    pgsql-polling-writing
    pgsql-put-line
    pgsql-result-error-message
    pgsql-result-status
    pgsql-tuples-ok
    poll-pgsql-conn
    poll-pgsql-reset))

(define call-with-pgsql-conn)
(define close-pgsql-conn)
(define condition-type:pgsql-connection-error)
(define condition-type:pgsql-error)
(define condition-type:pgsql-query-error)
(define decode-pgsql-bytea)
(define encode-pgsql-bytea)
(define escape-pgsql-string)
(define exec-pgsql-query)
(define guarantee-pgsql-available)
(define make-empty-pgsql-result)
(define open-pgsql-conn)
(define pgsql-bad-response)
(define pgsql-clear)
(define pgsql-cmd-status)
(define pgsql-cmd-tuples)
(define pgsql-command-ok)
(define pgsql-conn-db)
(define pgsql-conn-error-message)
(define pgsql-conn-host)
(define pgsql-conn-open?)
(define pgsql-conn-options)
(define pgsql-conn-pass)
(define pgsql-conn-port)
(define pgsql-conn-reset)
(define pgsql-conn-reset-start)
(define pgsql-conn-status)
(define pgsql-conn-tty)
(define pgsql-conn-user)
(define pgsql-connection-auth-ok)
(define pgsql-connection-awaiting-response)
(define pgsql-connection-bad)
(define pgsql-connection-made)
(define pgsql-connection-ok)
(define pgsql-connection-setenv)
(define pgsql-connection-started)
(define pgsql-copy-in)
(define pgsql-copy-out)
(define pgsql-empty-query)
(define pgsql-fatal-error)
(define pgsql-field-name)
(define pgsql-get-is-null?)
(define pgsql-get-line)
(define pgsql-get-value)
(define pgsql-n-fields)
(define pgsql-n-tuples)
(define pgsql-nonfatal-error)
(define pgsql-polling-active)
(define pgsql-polling-failed)
(define pgsql-polling-ok)
(define pgsql-polling-reading)
(define pgsql-polling-writing)
(define pgsql-put-line)
(define pgsql-result-error-message)
(define pgsql-result-status)
(define pgsql-tuples-ok)
(define poll-pgsql-conn)
(define poll-pgsql-reset)