added . to predicate declarations

This commit is contained in:
duboissim 2024-03-01 14:07:09 +01:00
parent 721d974931
commit d2cebdef6d
1 changed files with 14 additions and 13 deletions

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@ -1,16 +1,17 @@
:- dynamic tables/0.
/*
Prints the names of all existing tables, one per line (use writeln/1).
A table name is always an atom.
*/
tables.
:- dynamic tables/1
:- dynamic tables/1.
/*
Unify Tables with a list of the names of all existing tables.
*/
tables(Tables).
:- dynamic table/2
:- dynamic table/2.
/*
When this predicate is executed, the effect will be the creation of a new
table with the specified list of column names (order matters!).
@ -21,7 +22,7 @@ All exceptions must have a descriptive error message.
*/
create table(Table, Cols).
:- dynamic cols/2
:- dynamic cols/2.
/*
Unifies Cols with the list of columns for the specified table (in the same
order as they were supplied to create table/2).
@ -30,14 +31,14 @@ exception (use throw/1).
*/
cols(Table, Cols).
:- dynamic row/2
:- dynamic row/2.
/*
Unifies Row, one result at a time, with each row in the given Table.
If the given table does not exist, the predicate should fail.
*/
row(Table, Row).
:- dynamic rows/1
:- dynamic rows/1.
/*
Displays all rows in the given table, one per line (use writeln/1).
If the given table does not exist, the predicate must throw a descriptive
@ -45,7 +46,7 @@ exception.
*/
rows(Table).
:- dynamic insert/2
:- dynamic insert/2.
/*
When this predicate is executed, the effect will be the addition of a given
row in the given table. The given row is a list of values for each of the
@ -58,7 +59,7 @@ the table, the predicate must throw a descriptive exception.
*/
insert(Table, Row).
:- dynamic drop/1
:- dynamic drop/1.
/*
When this predicate is executed, the effect will be the deletion of the given
table.
@ -70,7 +71,7 @@ exception.
*/
drop(Table).
:- dynamic delete/1
:- dynamic delete/1.
/*
When this predicate is executed, the effect will be the deletion of all rows
in the given table. The table itself should still exist after, but with no
@ -80,7 +81,7 @@ exception.
*/
delete(Table).
:- dynamic delete/2
:- dynamic delete/2.
/*
When this predicate is executed, the effect will be the deletion of all rows
from the given table that match all of the given conditions. The table
@ -94,7 +95,7 @@ prompt, but which may include selectors. Selectors are terms of the form
*/
delete(Table, Conds).
:- dynamic selec/4
:- dynamic selec/4.
/*
Note that the name of this predicate is selec (without t) for the simple
reason that select/4 is already a built-in Prolog predicate.
@ -126,14 +127,14 @@ returns: Projections = [[0, "Jeffrey"], [1, "Lorena"], [2, "Joseph"], ...
*/
selec(Table, Selectors, Conds, Projection)
:- dynamic selec/3
:- dynamic selec/3.
/*
Simplified variant of the selec/4 predicate when there are no conditions
to be checked.
*/
selec(TableOrTables, Selectors, Projection)
:- dynamic query/2
:- dynamic query/2.
/*
where Query is a string whose syntax is defined by the following grammar:
query ::= select | insert
@ -181,7 +182,7 @@ success, and if query/2 is used the Result parameter can be ignored.
*/
query(Query, Result)
:- dynamic query/1
:- dynamic query/1.
/*
cf. query/2
*/