diff options
Diffstat (limited to 'dbutil.txi')
| -rw-r--r-- | dbutil.txi | 14 |
1 files changed, 14 insertions, 0 deletions
@@ -65,6 +65,7 @@ alist-table is the default base-table type: (define my-rdb (create-database "my.db" 'alist-table)) @end example @end defun + @noindent Only @code{alist-table} and base-table modules which have been @code{require}d will dispatch correctly from the @@ -79,6 +80,7 @@ argument. Returns @emph{mutable} open relational database or #f. @end deffn + @defun open-database rdb base-table-type Returns an open relational database associated with @var{rdb}. The @@ -90,22 +92,26 @@ Returns an open relational database associated with @var{rdb}. @code{open-database} will attempt to deduce the correct base-table-type. @end defun + @defun write-database rdb filename Writes the mutable relational-database @var{rdb} to @var{filename}. @end defun + @defun sync-database rdb Writes the mutable relational-database @var{rdb} to the filename it was opened with. @end defun + @defun solidify-database rdb Syncs @var{rdb} and makes it immutable. @end defun + @defun close-database rdb @var{rdb} will only be closed when the count of @code{open-database} - @code{close-database} @@ -113,12 +119,14 @@ calls for @var{rdb} (and its filename) is 0. @code{close-database} returns #t i and #f otherwise. @end defun + @defun mdbm:report Prints a table of open database files. The columns are the base-table type, number of opens, @samp{!} for mutable, the filename, and the lock certificate (if locked). @end defun + @example (mdbm:report) @print{} @@ -138,6 +146,7 @@ filename, and the lock certificate (if locked). @code{#f}. @end defun + @deffn {Procedure} open-table! rdb table-name @var{rdb} must be a relational database and @var{table-name} a symbol. @@ -146,6 +155,7 @@ filename, and the lock certificate (if locked). @var{rdb} if it exists and can be opened in mutable mode, otherwise returns @code{#f}. @end deffn + @subsubheading Defining Tables @@ -160,11 +170,13 @@ Representation}. @end example @end defun + @defun add-domain rdb row5 Use @code{define-domains} instead. @end defun + @defun define-tables rdb spec-0 @dots{} Adds tables as specified in @var{spec-0} @dots{} to the open @@ -204,6 +216,7 @@ If @r{<domain>} is not a defined domain name and it matches the name of this table or an already defined (in one of @var{spec-0} @dots{}) single key field table, a foreign-key domain will be created for it. @end defun + @subsubheading Listing Tables @@ -217,3 +230,4 @@ and domains, its other key names and domains, and the table's records The list returned by @code{list-table-definition}, when passed as an argument to @code{define-tables}, will recreate the table. @end defun + |