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CREATE OR REPLACE FUNCTION no_crash_dijkstra(fn_name TEXT)
RETURNS SETOF TEXT AS
$BODY$
DECLARE
params TEXT[];
subs TEXT[];
BEGIN
-- function used on:
-- pgr_dijkstra,
-- pgr_dijkstraCost
PREPARE edgesn AS
SELECT id, source, target, cost, reverse_cost FROM edges;
PREPARE null_ret AS
SELECT id FROM vertices WHERE id IN (-1);
PREPARE null_ret_arr AS
SELECT array_agg(id) FROM vertices WHERE id IN (-1);
RETURN QUERY SELECT isnt_empty('edgesn', 'Should be not empty to tests be meaningful');
RETURN QUERY SELECT is_empty('null_ret', 'Should be empty to tests be meaningful');
RETURN QUERY SELECT set_eq('null_ret_arr', 'SELECT NULL::BIGINT[]', 'Should be empty to tests be meaningful');
-- one to one
params = ARRAY[
'$$SELECT id, source, target, cost, reverse_cost FROM edges$$'
,'5::BIGINT',
'6::BIGINT'
]::TEXT[];
subs = ARRAY[
'NULL',
'(SELECT id FROM vertices WHERE id IN (-1))',
'(SELECT id FROM vertices WHERE id IN (-1))'
]::TEXT[];
RETURN QUERY SELECT * FROM no_crash_test(fn_name, params, subs);
subs = ARRAY[
'NULL',
'NULL::BIGINT',
'NULL::BIGINT'
]::TEXT[];
RETURN QUERY SELECT * FROM no_crash_test(fn_name, params, subs);
-- one to many
params = ARRAY['$$edgesn$$','1', 'ARRAY[2,5]::BIGINT[]']::TEXT[];
subs = ARRAY[
'NULL',
'(SELECT id FROM vertices WHERE id IN (-1))',
'(SELECT array_agg(id) FROM vertices WHERE id IN (-1))'
]::TEXT[];
RETURN QUERY SELECT * FROM no_crash_test(fn_name, params, subs);
subs = ARRAY[
'NULL',
'NULL::BIGINT',
'NULL::BIGINT[]'
]::TEXT[];
RETURN QUERY SELECT * FROM no_crash_test(fn_name, params, subs);
-- many to one
params = ARRAY['$$edgesn$$', 'ARRAY[2,5]::BIGINT[]', '1']::TEXT[];
subs = ARRAY[
'NULL',
'(SELECT array_agg(id) FROM vertices WHERE id IN (-1))',
'(SELECT id FROM vertices WHERE id IN (-1))'
]::TEXT[];
RETURN QUERY SELECT * FROM no_crash_test(fn_name, params, subs);
subs = ARRAY[
'NULL',
'NULL::BIGINT[]',
'NULL::BIGINT'
]::TEXT[];
RETURN QUERY SELECT * FROM no_crash_test(fn_name, params, subs);
-- many to many
params = ARRAY['$$edgesn$$','ARRAY[1]::BIGINT[]', 'ARRAY[2,5]::BIGINT[]']::TEXT[];
subs = ARRAY[
'NULL',
'(SELECT array_agg(id) FROM vertices WHERE id IN (-1))',
'(SELECT array_agg(id) FROM vertices WHERE id IN (-1))'
]::TEXT[];
RETURN QUERY SELECT * FROM no_crash_test(fn_name, params, subs);
subs = ARRAY[
'NULL',
'NULL::BIGINT[]',
'NULL::BIGINT[]'
]::TEXT[];
RETURN QUERY SELECT * FROM no_crash_test(fn_name, params, subs);
IF NOT min_version('3.1.0') THEN
RETURN QUERY SELECT skip (1, 'Combinations signature was added on 3.1.0');
RETURN;
END IF;
PREPARE combinations AS
SELECT source, target FROM combinations;
PREPARE null_combinations AS
SELECT source, target FROM combinations WHERE false;
RETURN QUERY SELECT isnt_empty('combinations', 'Should be not empty to tests be meaningful');
RETURN QUERY SELECT is_empty('null_combinations', 'Should be empty to tests be meaningful');
-- Combinations SQL
params = ARRAY['$$edgesn$$','$$combinations$$']::TEXT[];
subs = ARRAY[
'NULL',
'$$(SELECT source, target FROM combinations WHERE false )$$'
]::TEXT[];
RETURN QUERY SELECT * FROM no_crash_test(fn_name, params, subs);
subs = ARRAY[
'NULL',
'NULL::TEXT'
]::TEXT[];
RETURN QUERY SELECT * FROM no_crash_test(fn_name, params, subs);
END
$BODY$
LANGUAGE plpgsql VOLATILE;
/* tests 5 overloads
currently
- tried on pgr_dijstra
- tests:
- empty
- isnt_empty
*/
CREATE OR REPLACE FUNCTION taptest(test TEXT, q TEXT, v1 INTEGER, v2 INTEGER, directed BOOLEAN)
RETURNS SETOF TEXT AS
$BODY$
BEGIN
RETURN QUERY EXECUTE format(
$q$ SELECT %5$s(
$$SELECT * from pgr_dijkstra(%1$L, %2$s, %3$s, %4$L::BOOLEAN)$$,
$$%5$s: SELECT * from pgr_dijkstra(%1$L, %2$s, %3$s, %4$L::BOOLEAN)$$)
$q$,
q, v1, v2, directed, test);
RETURN QUERY EXECUTE format(
$q$ SELECT %5$s(
$$SELECT * from pgr_dijkstra(%1$L, array[%2$s], %3$s, %4$L::BOOLEAN)$$,
$$%5$s: SELECT * from pgr_dijkstra(%1$L, array[%2$s], %3$s, %4$L::BOOLEAN)$$)
$q$,
q, v1, v2, directed, test);
RETURN QUERY EXECUTE format(
$q$ SELECT %5$s(
$$SELECT * from pgr_dijkstra(%1$L, %2$s, array[%3$s], %4$L::BOOLEAN)$$,
$$%5$s: SELECT * from pgr_dijkstra(%1$L, %2$s, array[%3$s], %4$L::BOOLEAN)$$)
$q$,
q, v1, v2, directed, test);
RETURN QUERY EXECUTE format(
$q$ SELECT %5$s(
$$SELECT * from pgr_dijkstra(%1$L, array[%2$s], array[%3$s], %4$L::BOOLEAN)$$,
$$%5$s: SELECT * from pgr_dijkstra(%1$L, array[%2$s], array[%3$s], %4$L::BOOLEAN)$$)
$q$,
q, v1, v2, directed, test);
IF min_version('3.1.0') THEN
RETURN QUERY EXECUTE format(
$q$ SELECT %5$s(
$$SELECT * from pgr_dijkstra(%1$L, 'SELECT %2$s AS source, %3$s AS target', %4$L::BOOLEAN)$$,
$$%5$s: SELECT * from pgr_dijkstra(%1$L, 'SELECT %2$s AS source, %3$s AS target', %4$L::BOOLEAN)$$)
$q$,
q, v1, v2, directed, test);
END IF;
END;
$BODY$
LANGUAGE plpgsql;
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