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CREATE OR REPLACE FUNCTION flow_no_crash(fn_name TEXT)
RETURNS SETOF TEXT AS
$BODY$
DECLARE
params TEXT[];
subs TEXT[];
BEGIN
IF NOT min_version('3.2.0') AND fn_name IN ('pgr_maxFlowMinCost', 'pgr_maxFlowMinCost_Cost') THEN
RETURN QUERY
SELECT skip(1, 'Can not test before 3.2.0 on ' || fn_name);
RETURN;
END IF;
IF fn_name = 'pgr_edgeDisjointPaths' THEN
PREPARE edges AS
SELECT id, source, target, cost, reverse_cost FROM edges;
ELSE
PREPARE edges AS
SELECT id,
source,
target,
capacity,
reverse_capacity,
cost,
reverse_cost
FROM edges
ORDER BY id;
END IF;
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('edges', '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['$$edges$$',
'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['$$edges$$',
'1::BIGINT',
'ARRAY[6,7]::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['$$edges$$',
'ARRAY[6,7]::BIGINT[]',
'5'
]::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['$$edges$$',
'ARRAY[5]::BIGINT[]',
'ARRAY[6,7]::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('3.2.0') THEN
RETURN QUERY
SELECT skip(1, 'Combinations functionality is new on 3.2.0');
RETURN;
END IF;
PREPARE combinations AS
SELECT source, target FROM combinations WHERE target NOT IN (5,6);
PREPARE null_combinations AS
SELECT source, target FROM combinations WHERE source IN (-1);
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');
params = ARRAY['$$edges$$', '$$combinations$$']::TEXT[];
subs = ARRAY[
'NULL',
'$$(SELECT source, target FROM combinations WHERE source IN (-1))$$'
]::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;
CREATE OR REPLACE FUNCTION flow_types_check(fn_name TEXT)
RETURNS SETOF TEXT AS
$BODY$
BEGIN
RETURN QUERY SELECT has_function(fn_name);
RETURN QUERY SELECT has_function(fn_name, ARRAY[ 'text', 'bigint', 'bigint' ]);
RETURN QUERY SELECT has_function(fn_name, ARRAY[ 'text', 'anyarray', 'bigint' ]);
RETURN QUERY SELECT has_function(fn_name, ARRAY[ 'text', 'bigint', 'anyarray' ]);
RETURN QUERY SELECT has_function(fn_name, ARRAY[ 'text', 'anyarray', 'anyarray' ]);
RETURN QUERY SELECT function_returns(fn_name, ARRAY[ 'text', 'bigint', 'bigint' ], 'setof record');
RETURN QUERY SELECT function_returns(fn_name, ARRAY[ 'text', 'bigint', 'anyarray' ], 'setof record');
RETURN QUERY SELECT function_returns(fn_name, ARRAY[ 'text', 'anyarray', 'bigint' ], 'setof record');
RETURN QUERY SELECT function_returns(fn_name, ARRAY[ 'text', 'anyarray', 'anyarray' ], 'setof record');
RETURN QUERY SELECT CASE
WHEN min_version('3.2.0') THEN
collect_tap(
has_function(fn_name, ARRAY[ 'text', 'text']),
function_returns(fn_name, ARRAY[ 'text', 'text'], 'setof record')
)
ELSE
skip(2, 'Combinations signature added on version 3.2.0')
END;
RETURN QUERY SELECT CASE
WHEN min_version('3.2.0') THEN
collect_tap(
function_args_eq(fn_name,
$$VALUES
('{"","","","seq","edge","start_vid","end_vid","flow","residual_capacity"}'::TEXT[]),
('{"","","","seq","edge","start_vid","end_vid","flow","residual_capacity"}'::TEXT[]),
('{"","","","seq","edge","start_vid","end_vid","flow","residual_capacity"}'::TEXT[]),
('{"","","","seq","edge","start_vid","end_vid","flow","residual_capacity"}'::TEXT[]),
('{"","","seq","edge","start_vid","end_vid","flow","residual_capacity"}'::TEXT[])
$$),
function_types_eq(fn_name,
$$VALUES
('{text,int8,int8,int4,int8,int8,int8,int8,int8}'::TEXT[]),
('{text,int8,anyarray,int4,int8,int8,int8,int8,int8}'::TEXT[]),
('{text,anyarray,int8,int4,int8,int8,int8,int8,int8}'::TEXT[]),
('{text,anyarray,anyarray,int4,int8,int8,int8,int8,int8}'::TEXT[]),
('{text,text,int4,int8,int8,int8,int8,int8}'::TEXT[])
$$)
)
ELSE
collect_tap(
function_args_eq(fn_name,
$$VALUES
('{"","","","seq","edge","start_vid","end_vid","flow","residual_capacity"}'::TEXT[]),
('{"","","","seq","edge","start_vid","end_vid","flow","residual_capacity"}'::TEXT[]),
('{"","","","seq","edge","start_vid","end_vid","flow","residual_capacity"}'::TEXT[]),
('{"","","","seq","edge","start_vid","end_vid","flow","residual_capacity"}'::TEXT[])
$$),
function_types_eq(fn_name,
$$VALUES
('{text,int8,int8,int4,int8,int8,int8,int8,int8}'::TEXT[]),
('{text,int8,anyarray,int4,int8,int8,int8,int8,int8}'::TEXT[]),
('{text,anyarray,int8,int4,int8,int8,int8,int8,int8}'::TEXT[]),
('{text,anyarray,anyarray,int4,int8,int8,int8,int8,int8}'::TEXT[])
$$)
)
END;
END
$BODY$
LANGUAGE plpgsql VOLATILE;
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