postgres/timescaledb
1
0
Fork 0
mirror of https://github.com/timescale/timescaledb.git synced 2025-05-14 17:43:34 +08:00
Code Issues Packages Projects Releases Wiki Activity

Improve interpolate error message on datatype mismatch

Browse Source 
Include information about the expected and the returned datatype
in the error details of interpolate.
This commit is contained in:
Sven Klemm 2023-04-14 12:22:54 +02:00 committed by Sven Klemm
parent a3d778f7a0
commit 90e54def8a
7 changed files with 190 additions and 18 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
CHANGELOG.md
View File

@ -38,6 +38,7 @@ accidentally triggering the load of a previous DB version.**
* #5556 Fix duplicated entries on timescaledb_experimental.policies view
* #5433 Fix join rte in CAggs with joins
* #5543 Copy scheduled_jobs list before sorting it
* #5570 Improve interpolate error message on datatype mismatch
**Thanks**
* @nikolaps for reporting an issue with the COPY fetcher
@ -47,6 +48,7 @@ accidentally triggering the load of a previous DB version.**
* @H25E for reporting error refreshing from beginning of a Continuous Aggregate with variable time bucket
* @mwahlhuetter for reporting issue with duplicated entries on timescaledb_experimental.policies view
* @mwahlthuetter for reporting the issue with joins in CAggs
* @ollz272 for reporting an issue with interpolate error messages
## 2.10.1 (2023-03-07)

10
tsl/src/nodes/gapfill/interpolate.c
View File

@ -123,14 +123,20 @@ gapfill_fetch_sample(GapFillState *state, GapFillInterpolateColumnState *column,
ereport(ERROR,
(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
errmsg("first argument of interpolate returned record must match used timestamp "
"datatype")));
"datatype"),
errdetail("Returned type %s does not match expected type %s.",
format_type_be(TupleDescAttr(tupdesc, 0)->atttypid),
format_type_be(column->base.typid))));
/* check second element in record matches interpolate datatype */
if (TupleDescAttr(tupdesc, 1)->atttypid != column->base.typid)
ereport(ERROR,
(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
errmsg("second argument of interpolate returned record must match used "
"interpolate datatype")));
"interpolate datatype"),
errdetail("Returned type %s does not match expected type %s.",
format_type_be(TupleDescAttr(tupdesc, 1)->atttypid),
format_type_be(column->base.typid))));
value = heap_getattr(&tuple, 1, tupdesc, &sample->isnull);
if (!sample->isnull)

48
tsl/test/shared/expected/gapfill-12.out
View File

@ -2,6 +2,8 @@
-- Please see the included NOTICE for copyright information and
-- LICENSE-TIMESCALE for a copy of the license.
\set EXPLAIN 'EXPLAIN (COSTS OFF)'
-- we want to see error details in the output
\set VERBOSITY default
-- simple example
:EXPLAIN
SELECT
@ -324,6 +326,7 @@ FROM :METRICS
WHERE time =0 AND time < 2
GROUP BY 1;
ERROR: missing time_bucket_gapfill argument: could not infer start from WHERE clause
HINT: Specify start and finish as arguments or in the WHERE clause.
-- test with 2 tables and where clause doesnt match gapfill argument
SELECT
time_bucket_gapfill(1,m2.time)
@ -331,6 +334,7 @@ FROM :METRICS m, :METRICS m2
WHERE m.time >=0 AND m.time < 2
GROUP BY 1;
ERROR: missing time_bucket_gapfill argument: could not infer start from WHERE clause
HINT: Specify start and finish as arguments or in the WHERE clause.
-- test inner join and where clause doesnt match gapfill argument
SELECT
time_bucket_gapfill(1,m2.time)
@ -338,6 +342,7 @@ FROM :METRICS m1 INNER JOIN :METRICS m2 ON m1.time=m2.time
WHERE m1.time >=0 AND m1.time < 2
GROUP BY 1;
ERROR: missing time_bucket_gapfill argument: could not infer start from WHERE clause
HINT: Specify start and finish as arguments or in the WHERE clause.
-- test outer join with constraints in join condition
-- not usable as start/stop
SELECT
@ -345,6 +350,7 @@ SELECT
FROM :METRICS m1 LEFT OUTER JOIN :METRICS m2 ON m1.time=m2.time AND m1.time >=0 AND m1.time < 2
GROUP BY 1;
ERROR: missing time_bucket_gapfill argument: could not infer start from WHERE clause
HINT: Specify start and finish as arguments or in the WHERE clause.
\set ON_ERROR_STOP 1
\ir include/gapfill_metrics_query.sql
-- This file and its contents are licensed under the Timescale License.
@ -931,7 +937,10 @@ SELECT
locf(min(time),treat_null_as_missing:=1)
FROM (VALUES (1),(2)) v(time)
GROUP BY 1;
ERROR: function locf(integer, treat_null_as_missing => integer) does not exist at character 46
ERROR: function locf(integer, treat_null_as_missing => integer) does not exist
LINE 3: locf(min(time),treat_null_as_missing:=1)
^
HINT: No function matches the given name and argument types. You might need to add explicit type casts.
-- test locf with treat_null_as_missing not literal
SELECT
time_bucket_gapfill(1,time,1,11),
@ -972,12 +981,14 @@ SELECT
FROM (VALUES (1),(2)) v(time)
GROUP BY 1;
ERROR: first argument of interpolate returned record must match used timestamp datatype
DETAIL: Returned type double precision does not match expected type integer.
SELECT
time_bucket_gapfill(1,time,1,11),
interpolate(min(time),prev=>(SELECT (10::float,10)))
FROM (VALUES (2),(3)) v(time)
GROUP BY 1;
ERROR: first argument of interpolate returned record must match used timestamp datatype
DETAIL: Returned type double precision does not match expected type integer.
-- test interpolate lookup query with mismatching value datatype
SELECT
time_bucket_gapfill(1,time,1,11),
@ -985,25 +996,33 @@ SELECT
FROM (VALUES (1),(2)) v(time)
GROUP BY 1;
ERROR: second argument of interpolate returned record must match used interpolate datatype
DETAIL: Returned type double precision does not match expected type integer.
SELECT
time_bucket_gapfill(1,time,1,11),
interpolate(min(time),prev=>(SELECT (10,10::float)))
FROM (VALUES (2),(3)) v(time)
GROUP BY 1;
ERROR: second argument of interpolate returned record must match used interpolate datatype
DETAIL: Returned type double precision does not match expected type integer.
-- test interpolate with unsupported datatype
SELECT
time_bucket_gapfill(1,time,1,11),
interpolate(text 'text')
FROM (VALUES (1),(2)) v(time)
GROUP BY 1;
ERROR: function interpolate(text) does not exist at character 46
ERROR: function interpolate(text) does not exist
LINE 3: interpolate(text 'text')
^
HINT: No function matches the given name and argument types. You might need to add explicit type casts.
SELECT
time_bucket_gapfill(1,time,1,11),
interpolate(interval '1d')
FROM (VALUES (2),(3)) v(time)
GROUP BY 1;
ERROR: function interpolate(interval) does not exist at character 46
ERROR: function interpolate(interval) does not exist
LINE 3: interpolate(interval '1d')
^
HINT: No function matches the given name and argument types. You might need to add explicit type casts.
-- test multiple time_bucket_gapfill calls
SELECT
time_bucket_gapfill(1,time,1,11),time_bucket_gapfill(1,time,1,11)
@ -1051,7 +1070,9 @@ SELECT
avg(avg(min(time)) OVER ()) OVER ()
FROM (VALUES (1),(2)) v(time)
GROUP BY 1;
ERROR: window function calls cannot be nested at character 50
ERROR: window function calls cannot be nested
LINE 3: avg(avg(min(time)) OVER ()) OVER ()
^
-- test multiple window functions in single column
SELECT
time_bucket_gapfill(1,time,1,11),
@ -1089,11 +1110,13 @@ SELECT
FROM (VALUES (1),(2)) v(time)
GROUP BY 1;
ERROR: missing time_bucket_gapfill argument: could not infer start from WHERE clause
HINT: Specify start and finish as arguments or in the WHERE clause.
SELECT
time_bucket_gapfill(1,time,1,NULL)
FROM (VALUES (1),(2)) v(time)
GROUP BY 1;
ERROR: missing time_bucket_gapfill argument: could not infer finish from WHERE clause
HINT: Specify start and finish as arguments or in the WHERE clause.
SELECT
time_bucket_gapfill(NULL,time,'Europe/Berlin','2000-06-01','2001-06-01')
FROM (VALUES ('2000-01-01'::timestamptz),('2001-01-01'::timestamptz)) v(time)
@ -2371,6 +2394,7 @@ FROM (VALUES (1),(2)) v(t)
WHERE true AND true
GROUP BY 1;
ERROR: missing time_bucket_gapfill argument: could not infer start from WHERE clause
HINT: Specify start and finish as arguments or in the WHERE clause.
-- NULL start/finish and no usable time constraints
SELECT
time_bucket_gapfill(1,t,NULL,NULL)
@ -2378,6 +2402,7 @@ FROM (VALUES (1),(2)) v(t)
WHERE true AND true
GROUP BY 1;
ERROR: missing time_bucket_gapfill argument: could not infer start from WHERE clause
HINT: Specify start and finish as arguments or in the WHERE clause.
-- no start and no usable time constraints
SELECT
time_bucket_gapfill(1,t,finish:=1)
@ -2385,6 +2410,7 @@ FROM (VALUES (1),(2)) v(t)
WHERE true AND true
GROUP BY 1;
ERROR: missing time_bucket_gapfill argument: could not infer start from WHERE clause
HINT: Specify start and finish as arguments or in the WHERE clause.
-- NULL start expression and no usable time constraints
SELECT
time_bucket_gapfill(1,t,CASE WHEN length(version())>0 THEN NULL::int ELSE NULL::int END,1)
@ -2392,6 +2418,7 @@ FROM (VALUES (1),(2)) v(t)
WHERE true AND true
GROUP BY 1;
ERROR: invalid time_bucket_gapfill argument: start cannot be NULL
HINT: Specify start and finish as arguments or in the WHERE clause.
-- unsupported start expression and no usable time constraints
SELECT
time_bucket_gapfill(1,t,t,1)
@ -2406,6 +2433,7 @@ FROM (VALUES (1),(2)) v(t)
WHERE true AND true
GROUP BY 1;
ERROR: missing time_bucket_gapfill argument: could not infer start from WHERE clause
HINT: Specify start and finish as arguments or in the WHERE clause.
-- NULL finish expression and no usable time constraints
SELECT
time_bucket_gapfill(1,t,1,CASE WHEN length(version())>0 THEN NULL::int ELSE NULL::int END)
@ -2413,6 +2441,7 @@ FROM (VALUES (1),(2)) v(t)
WHERE true AND true
GROUP BY 1;
ERROR: invalid time_bucket_gapfill argument: finish cannot be NULL
HINT: Specify start and finish as arguments or in the WHERE clause.
-- unsupported finish expression and no usable time constraints
SELECT
time_bucket_gapfill(1,t,1,t)
@ -2427,6 +2456,7 @@ FROM (VALUES (1),(2)) v(t)
WHERE true AND true
GROUP BY 1;
ERROR: missing time_bucket_gapfill argument: could not infer finish from WHERE clause
HINT: Specify start and finish as arguments or in the WHERE clause.
-- NULL finish and no usable time constraints
SELECT
time_bucket_gapfill(1,t,1,NULL)
@ -2434,6 +2464,7 @@ FROM (VALUES (1),(2)) v(t)
WHERE true AND true
GROUP BY 1;
ERROR: missing time_bucket_gapfill argument: could not infer finish from WHERE clause
HINT: Specify start and finish as arguments or in the WHERE clause.
-- expression with column reference on right side
SELECT
time_bucket_gapfill(1,t)
@ -2441,6 +2472,7 @@ FROM (VALUES (1),(2)) v(t)
WHERE t > t AND t < 2
GROUP BY 1;
ERROR: missing time_bucket_gapfill argument: could not infer start from WHERE clause
HINT: Specify start and finish as arguments or in the WHERE clause.
-- expression with cast
SELECT
time_bucket_gapfill(1,t1::int8)
@ -2448,6 +2480,7 @@ FROM (VALUES (1,2),(2,2)) v(t1,t2)
WHERE t1 >= 1 AND t1 <= 2
GROUP BY 1;
ERROR: invalid time_bucket_gapfill argument: ts needs to refer to a single column if no start or finish is supplied
HINT: Specify start and finish as arguments or in the WHERE clause.
-- expression with multiple column references
SELECT
time_bucket_gapfill(1,t1+t2)
@ -2455,6 +2488,7 @@ FROM (VALUES (1,2),(2,2)) v(t1,t2)
WHERE t1 > 1 AND t1 < 2
GROUP BY 1;
ERROR: invalid time_bucket_gapfill argument: ts needs to refer to a single column if no start or finish is supplied
HINT: Specify start and finish as arguments or in the WHERE clause.
-- expression with NULL start in WHERE clause, we use CASE to wrap the NULL so it doesnt get folded
SELECT
time_bucket_gapfill(1,t1)
@ -2462,6 +2496,7 @@ FROM (VALUES (1,2),(2,2)) v(t1,t2)
WHERE t1 > CASE WHEN length(version()) > 0 THEN NULL::int ELSE NULL::int END AND t1 < 4
GROUP BY 1;
ERROR: invalid time_bucket_gapfill argument: start cannot be NULL
HINT: Specify start and finish as arguments or in the WHERE clause.
-- expression with NULL finish in WHERE clause, we use CASE to wrap the NULL so it doesnt get folded
SELECT
time_bucket_gapfill(1,t1)
@ -2469,6 +2504,7 @@ FROM (VALUES (1,2),(2,2)) v(t1,t2)
WHERE t1 > 0 AND t1 < CASE WHEN length(version()) > 0 THEN NULL::int ELSE NULL::int END
GROUP BY 1;
ERROR: invalid time_bucket_gapfill argument: finish cannot be NULL
HINT: Specify start and finish as arguments or in the WHERE clause.
-- non-Const NULL as start argument, we use CASE to wrap the NULL so it doesnt get folded
SELECT
time_bucket_gapfill(1,t1,CASE WHEN length(version())>0 THEN NULL::int ELSE NULL::int END)
@ -2476,6 +2512,7 @@ FROM (VALUES (1,2),(2,2)) v(t1,t2)
WHERE t1 > 0 AND t1 < 2
GROUP BY 1;
ERROR: invalid time_bucket_gapfill argument: start cannot be NULL
HINT: Specify start and finish as arguments or in the WHERE clause.
-- non-Const NULL as finish argument, we use CASE to wrap the NULL so it doesnt get folded
SELECT
time_bucket_gapfill(1,t1,NULL,CASE WHEN length(version())>0 THEN NULL::int ELSE NULL::int END)
@ -2483,6 +2520,7 @@ FROM (VALUES (1,2),(2,2)) v(t1,t2)
WHERE t1 > 0 AND t1 < 2
GROUP BY 1;
ERROR: invalid time_bucket_gapfill argument: finish cannot be NULL
HINT: Specify start and finish as arguments or in the WHERE clause.
-- time_bucket_gapfill with constraints ORed
SELECT
time_bucket_gapfill(1::int8,t::int8)
@ -2491,6 +2529,7 @@ WHERE
t >= -1 OR t < 3
GROUP BY 1;
ERROR: invalid time_bucket_gapfill argument: ts needs to refer to a single column if no start or finish is supplied
HINT: Specify start and finish as arguments or in the WHERE clause.
\set ON_ERROR_STOP 1
-- int32 time_bucket_gapfill with no start/finish
SELECT
@ -3277,3 +3316,4 @@ SELECT time_bucket_gapfill('2 month'::interval, ts, 'Europe/Berlin', '2000-01-01
(6 rows)
RESET timezone;
DROP INDEX gapfill_plan_test_indx;

48
tsl/test/shared/expected/gapfill-13.out
View File

@ -2,6 +2,8 @@
-- Please see the included NOTICE for copyright information and
-- LICENSE-TIMESCALE for a copy of the license.
\set EXPLAIN 'EXPLAIN (COSTS OFF)'
-- we want to see error details in the output
\set VERBOSITY default
-- simple example
:EXPLAIN
SELECT
@ -331,6 +333,7 @@ FROM :METRICS
WHERE time =0 AND time < 2
GROUP BY 1;
ERROR: missing time_bucket_gapfill argument: could not infer start from WHERE clause
HINT: Specify start and finish as arguments or in the WHERE clause.
-- test with 2 tables and where clause doesnt match gapfill argument
SELECT
time_bucket_gapfill(1,m2.time)
@ -338,6 +341,7 @@ FROM :METRICS m, :METRICS m2
WHERE m.time >=0 AND m.time < 2
GROUP BY 1;
ERROR: missing time_bucket_gapfill argument: could not infer start from WHERE clause
HINT: Specify start and finish as arguments or in the WHERE clause.
-- test inner join and where clause doesnt match gapfill argument
SELECT
time_bucket_gapfill(1,m2.time)
@ -345,6 +349,7 @@ FROM :METRICS m1 INNER JOIN :METRICS m2 ON m1.time=m2.time
WHERE m1.time >=0 AND m1.time < 2
GROUP BY 1;
ERROR: missing time_bucket_gapfill argument: could not infer start from WHERE clause
HINT: Specify start and finish as arguments or in the WHERE clause.
-- test outer join with constraints in join condition
-- not usable as start/stop
SELECT
@ -352,6 +357,7 @@ SELECT
FROM :METRICS m1 LEFT OUTER JOIN :METRICS m2 ON m1.time=m2.time AND m1.time >=0 AND m1.time < 2
GROUP BY 1;
ERROR: missing time_bucket_gapfill argument: could not infer start from WHERE clause
HINT: Specify start and finish as arguments or in the WHERE clause.
\set ON_ERROR_STOP 1
\ir include/gapfill_metrics_query.sql
-- This file and its contents are licensed under the Timescale License.
@ -938,7 +944,10 @@ SELECT
locf(min(time),treat_null_as_missing:=1)
FROM (VALUES (1),(2)) v(time)
GROUP BY 1;
ERROR: function locf(integer, treat_null_as_missing => integer) does not exist at character 46
ERROR: function locf(integer, treat_null_as_missing => integer) does not exist
LINE 3: locf(min(time),treat_null_as_missing:=1)
^
HINT: No function matches the given name and argument types. You might need to add explicit type casts.
-- test locf with treat_null_as_missing not literal
SELECT
time_bucket_gapfill(1,time,1,11),
@ -979,12 +988,14 @@ SELECT
FROM (VALUES (1),(2)) v(time)
GROUP BY 1;
ERROR: first argument of interpolate returned record must match used timestamp datatype
DETAIL: Returned type double precision does not match expected type integer.
SELECT
time_bucket_gapfill(1,time,1,11),
interpolate(min(time),prev=>(SELECT (10::float,10)))
FROM (VALUES (2),(3)) v(time)
GROUP BY 1;
ERROR: first argument of interpolate returned record must match used timestamp datatype
DETAIL: Returned type double precision does not match expected type integer.
-- test interpolate lookup query with mismatching value datatype
SELECT
time_bucket_gapfill(1,time,1,11),
@ -992,25 +1003,33 @@ SELECT
FROM (VALUES (1),(2)) v(time)
GROUP BY 1;
ERROR: second argument of interpolate returned record must match used interpolate datatype
DETAIL: Returned type double precision does not match expected type integer.
SELECT
time_bucket_gapfill(1,time,1,11),
interpolate(min(time),prev=>(SELECT (10,10::float)))
FROM (VALUES (2),(3)) v(time)
GROUP BY 1;
ERROR: second argument of interpolate returned record must match used interpolate datatype
DETAIL: Returned type double precision does not match expected type integer.
-- test interpolate with unsupported datatype
SELECT
time_bucket_gapfill(1,time,1,11),
interpolate(text 'text')
FROM (VALUES (1),(2)) v(time)
GROUP BY 1;
ERROR: function interpolate(text) does not exist at character 46
ERROR: function interpolate(text) does not exist
LINE 3: interpolate(text 'text')
^
HINT: No function matches the given name and argument types. You might need to add explicit type casts.
SELECT
time_bucket_gapfill(1,time,1,11),
interpolate(interval '1d')
FROM (VALUES (2),(3)) v(time)
GROUP BY 1;
ERROR: function interpolate(interval) does not exist at character 46
ERROR: function interpolate(interval) does not exist
LINE 3: interpolate(interval '1d')
^
HINT: No function matches the given name and argument types. You might need to add explicit type casts.
-- test multiple time_bucket_gapfill calls
SELECT
time_bucket_gapfill(1,time,1,11),time_bucket_gapfill(1,time,1,11)
@ -1058,7 +1077,9 @@ SELECT
avg(avg(min(time)) OVER ()) OVER ()
FROM (VALUES (1),(2)) v(time)
GROUP BY 1;
ERROR: window function calls cannot be nested at character 50
ERROR: window function calls cannot be nested
LINE 3: avg(avg(min(time)) OVER ()) OVER ()
^
-- test multiple window functions in single column
SELECT
time_bucket_gapfill(1,time,1,11),
@ -1096,11 +1117,13 @@ SELECT
FROM (VALUES (1),(2)) v(time)
GROUP BY 1;
ERROR: missing time_bucket_gapfill argument: could not infer start from WHERE clause
HINT: Specify start and finish as arguments or in the WHERE clause.
SELECT
time_bucket_gapfill(1,time,1,NULL)
FROM (VALUES (1),(2)) v(time)
GROUP BY 1;
ERROR: missing time_bucket_gapfill argument: could not infer finish from WHERE clause
HINT: Specify start and finish as arguments or in the WHERE clause.
SELECT
time_bucket_gapfill(NULL,time,'Europe/Berlin','2000-06-01','2001-06-01')
FROM (VALUES ('2000-01-01'::timestamptz),('2001-01-01'::timestamptz)) v(time)
@ -2378,6 +2401,7 @@ FROM (VALUES (1),(2)) v(t)
WHERE true AND true
GROUP BY 1;
ERROR: missing time_bucket_gapfill argument: could not infer start from WHERE clause
HINT: Specify start and finish as arguments or in the WHERE clause.
-- NULL start/finish and no usable time constraints
SELECT
time_bucket_gapfill(1,t,NULL,NULL)
@ -2385,6 +2409,7 @@ FROM (VALUES (1),(2)) v(t)
WHERE true AND true
GROUP BY 1;
ERROR: missing time_bucket_gapfill argument: could not infer start from WHERE clause
HINT: Specify start and finish as arguments or in the WHERE clause.
-- no start and no usable time constraints
SELECT
time_bucket_gapfill(1,t,finish:=1)
@ -2392,6 +2417,7 @@ FROM (VALUES (1),(2)) v(t)
WHERE true AND true
GROUP BY 1;
ERROR: missing time_bucket_gapfill argument: could not infer start from WHERE clause
HINT: Specify start and finish as arguments or in the WHERE clause.
-- NULL start expression and no usable time constraints
SELECT
time_bucket_gapfill(1,t,CASE WHEN length(version())>0 THEN NULL::int ELSE NULL::int END,1)
@ -2399,6 +2425,7 @@ FROM (VALUES (1),(2)) v(t)
WHERE true AND true
GROUP BY 1;
ERROR: invalid time_bucket_gapfill argument: start cannot be NULL
HINT: Specify start and finish as arguments or in the WHERE clause.
-- unsupported start expression and no usable time constraints
SELECT
time_bucket_gapfill(1,t,t,1)
@ -2413,6 +2440,7 @@ FROM (VALUES (1),(2)) v(t)
WHERE true AND true
GROUP BY 1;
ERROR: missing time_bucket_gapfill argument: could not infer start from WHERE clause
HINT: Specify start and finish as arguments or in the WHERE clause.
-- NULL finish expression and no usable time constraints
SELECT
time_bucket_gapfill(1,t,1,CASE WHEN length(version())>0 THEN NULL::int ELSE NULL::int END)
@ -2420,6 +2448,7 @@ FROM (VALUES (1),(2)) v(t)
WHERE true AND true
GROUP BY 1;
ERROR: invalid time_bucket_gapfill argument: finish cannot be NULL
HINT: Specify start and finish as arguments or in the WHERE clause.
-- unsupported finish expression and no usable time constraints
SELECT
time_bucket_gapfill(1,t,1,t)
@ -2434,6 +2463,7 @@ FROM (VALUES (1),(2)) v(t)
WHERE true AND true
GROUP BY 1;
ERROR: missing time_bucket_gapfill argument: could not infer finish from WHERE clause
HINT: Specify start and finish as arguments or in the WHERE clause.
-- NULL finish and no usable time constraints
SELECT
time_bucket_gapfill(1,t,1,NULL)
@ -2441,6 +2471,7 @@ FROM (VALUES (1),(2)) v(t)
WHERE true AND true
GROUP BY 1;
ERROR: missing time_bucket_gapfill argument: could not infer finish from WHERE clause
HINT: Specify start and finish as arguments or in the WHERE clause.
-- expression with column reference on right side
SELECT
time_bucket_gapfill(1,t)
@ -2448,6 +2479,7 @@ FROM (VALUES (1),(2)) v(t)
WHERE t > t AND t < 2
GROUP BY 1;
ERROR: missing time_bucket_gapfill argument: could not infer start from WHERE clause
HINT: Specify start and finish as arguments or in the WHERE clause.
-- expression with cast
SELECT
time_bucket_gapfill(1,t1::int8)
@ -2455,6 +2487,7 @@ FROM (VALUES (1,2),(2,2)) v(t1,t2)
WHERE t1 >= 1 AND t1 <= 2
GROUP BY 1;
ERROR: invalid time_bucket_gapfill argument: ts needs to refer to a single column if no start or finish is supplied
HINT: Specify start and finish as arguments or in the WHERE clause.
-- expression with multiple column references
SELECT
time_bucket_gapfill(1,t1+t2)
@ -2462,6 +2495,7 @@ FROM (VALUES (1,2),(2,2)) v(t1,t2)
WHERE t1 > 1 AND t1 < 2
GROUP BY 1;
ERROR: invalid time_bucket_gapfill argument: ts needs to refer to a single column if no start or finish is supplied
HINT: Specify start and finish as arguments or in the WHERE clause.
-- expression with NULL start in WHERE clause, we use CASE to wrap the NULL so it doesnt get folded
SELECT
time_bucket_gapfill(1,t1)
@ -2469,6 +2503,7 @@ FROM (VALUES (1,2),(2,2)) v(t1,t2)
WHERE t1 > CASE WHEN length(version()) > 0 THEN NULL::int ELSE NULL::int END AND t1 < 4
GROUP BY 1;
ERROR: invalid time_bucket_gapfill argument: start cannot be NULL
HINT: Specify start and finish as arguments or in the WHERE clause.
-- expression with NULL finish in WHERE clause, we use CASE to wrap the NULL so it doesnt get folded
SELECT
time_bucket_gapfill(1,t1)
@ -2476,6 +2511,7 @@ FROM (VALUES (1,2),(2,2)) v(t1,t2)
WHERE t1 > 0 AND t1 < CASE WHEN length(version()) > 0 THEN NULL::int ELSE NULL::int END
GROUP BY 1;
ERROR: invalid time_bucket_gapfill argument: finish cannot be NULL
HINT: Specify start and finish as arguments or in the WHERE clause.
-- non-Const NULL as start argument, we use CASE to wrap the NULL so it doesnt get folded
SELECT
time_bucket_gapfill(1,t1,CASE WHEN length(version())>0 THEN NULL::int ELSE NULL::int END)
@ -2483,6 +2519,7 @@ FROM (VALUES (1,2),(2,2)) v(t1,t2)
WHERE t1 > 0 AND t1 < 2
GROUP BY 1;
ERROR: invalid time_bucket_gapfill argument: start cannot be NULL
HINT: Specify start and finish as arguments or in the WHERE clause.
-- non-Const NULL as finish argument, we use CASE to wrap the NULL so it doesnt get folded
SELECT
time_bucket_gapfill(1,t1,NULL,CASE WHEN length(version())>0 THEN NULL::int ELSE NULL::int END)
@ -2490,6 +2527,7 @@ FROM (VALUES (1,2),(2,2)) v(t1,t2)
WHERE t1 > 0 AND t1 < 2
GROUP BY 1;
ERROR: invalid time_bucket_gapfill argument: finish cannot be NULL
HINT: Specify start and finish as arguments or in the WHERE clause.
-- time_bucket_gapfill with constraints ORed
SELECT
time_bucket_gapfill(1::int8,t::int8)
@ -2498,6 +2536,7 @@ WHERE
t >= -1 OR t < 3
GROUP BY 1;
ERROR: invalid time_bucket_gapfill argument: ts needs to refer to a single column if no start or finish is supplied
HINT: Specify start and finish as arguments or in the WHERE clause.
\set ON_ERROR_STOP 1
-- int32 time_bucket_gapfill with no start/finish
SELECT
@ -3284,3 +3323,4 @@ SELECT time_bucket_gapfill('2 month'::interval, ts, 'Europe/Berlin', '2000-01-01
(6 rows)
RESET timezone;
DROP INDEX gapfill_plan_test_indx;

48
tsl/test/shared/expected/gapfill-14.out
View File

@ -2,6 +2,8 @@
-- Please see the included NOTICE for copyright information and
-- LICENSE-TIMESCALE for a copy of the license.
\set EXPLAIN 'EXPLAIN (COSTS OFF)'
-- we want to see error details in the output
\set VERBOSITY default
-- simple example
:EXPLAIN
SELECT
@ -331,6 +333,7 @@ FROM :METRICS
WHERE time =0 AND time < 2
GROUP BY 1;
ERROR: missing time_bucket_gapfill argument: could not infer start from WHERE clause
HINT: Specify start and finish as arguments or in the WHERE clause.
-- test with 2 tables and where clause doesnt match gapfill argument
SELECT
time_bucket_gapfill(1,m2.time)
@ -338,6 +341,7 @@ FROM :METRICS m, :METRICS m2
WHERE m.time >=0 AND m.time < 2
GROUP BY 1;
ERROR: missing time_bucket_gapfill argument: could not infer start from WHERE clause
HINT: Specify start and finish as arguments or in the WHERE clause.
-- test inner join and where clause doesnt match gapfill argument
SELECT
time_bucket_gapfill(1,m2.time)
@ -345,6 +349,7 @@ FROM :METRICS m1 INNER JOIN :METRICS m2 ON m1.time=m2.time
WHERE m1.time >=0 AND m1.time < 2
GROUP BY 1;
ERROR: missing time_bucket_gapfill argument: could not infer start from WHERE clause
HINT: Specify start and finish as arguments or in the WHERE clause.
-- test outer join with constraints in join condition
-- not usable as start/stop
SELECT
@ -352,6 +357,7 @@ SELECT
FROM :METRICS m1 LEFT OUTER JOIN :METRICS m2 ON m1.time=m2.time AND m1.time >=0 AND m1.time < 2
GROUP BY 1;
ERROR: missing time_bucket_gapfill argument: could not infer start from WHERE clause
HINT: Specify start and finish as arguments or in the WHERE clause.
\set ON_ERROR_STOP 1
\ir include/gapfill_metrics_query.sql
-- This file and its contents are licensed under the Timescale License.
@ -938,7 +944,10 @@ SELECT
locf(min(time),treat_null_as_missing:=1)
FROM (VALUES (1),(2)) v(time)
GROUP BY 1;
ERROR: function locf(integer, treat_null_as_missing => integer) does not exist at character 46
ERROR: function locf(integer, treat_null_as_missing => integer) does not exist
LINE 3: locf(min(time),treat_null_as_missing:=1)
^
HINT: No function matches the given name and argument types. You might need to add explicit type casts.
-- test locf with treat_null_as_missing not literal
SELECT
time_bucket_gapfill(1,time,1,11),
@ -979,12 +988,14 @@ SELECT
FROM (VALUES (1),(2)) v(time)
GROUP BY 1;
ERROR: first argument of interpolate returned record must match used timestamp datatype
DETAIL: Returned type double precision does not match expected type integer.
SELECT
time_bucket_gapfill(1,time,1,11),
interpolate(min(time),prev=>(SELECT (10::float,10)))
FROM (VALUES (2),(3)) v(time)
GROUP BY 1;
ERROR: first argument of interpolate returned record must match used timestamp datatype
DETAIL: Returned type double precision does not match expected type integer.
-- test interpolate lookup query with mismatching value datatype
SELECT
time_bucket_gapfill(1,time,1,11),
@ -992,25 +1003,33 @@ SELECT
FROM (VALUES (1),(2)) v(time)
GROUP BY 1;
ERROR: second argument of interpolate returned record must match used interpolate datatype
DETAIL: Returned type double precision does not match expected type integer.
SELECT
time_bucket_gapfill(1,time,1,11),
interpolate(min(time),prev=>(SELECT (10,10::float)))
FROM (VALUES (2),(3)) v(time)
GROUP BY 1;
ERROR: second argument of interpolate returned record must match used interpolate datatype
DETAIL: Returned type double precision does not match expected type integer.
-- test interpolate with unsupported datatype
SELECT
time_bucket_gapfill(1,time,1,11),
interpolate(text 'text')
FROM (VALUES (1),(2)) v(time)
GROUP BY 1;
ERROR: function interpolate(text) does not exist at character 46
ERROR: function interpolate(text) does not exist
LINE 3: interpolate(text 'text')
^
HINT: No function matches the given name and argument types. You might need to add explicit type casts.
SELECT
time_bucket_gapfill(1,time,1,11),
interpolate(interval '1d')
FROM (VALUES (2),(3)) v(time)
GROUP BY 1;
ERROR: function interpolate(interval) does not exist at character 46
ERROR: function interpolate(interval) does not exist
LINE 3: interpolate(interval '1d')
^
HINT: No function matches the given name and argument types. You might need to add explicit type casts.
-- test multiple time_bucket_gapfill calls
SELECT
time_bucket_gapfill(1,time,1,11),time_bucket_gapfill(1,time,1,11)
@ -1058,7 +1077,9 @@ SELECT
avg(avg(min(time)) OVER ()) OVER ()
FROM (VALUES (1),(2)) v(time)
GROUP BY 1;
ERROR: window function calls cannot be nested at character 50
ERROR: window function calls cannot be nested
LINE 3: avg(avg(min(time)) OVER ()) OVER ()
^
-- test multiple window functions in single column
SELECT
time_bucket_gapfill(1,time,1,11),
@ -1096,11 +1117,13 @@ SELECT
FROM (VALUES (1),(2)) v(time)
GROUP BY 1;
ERROR: missing time_bucket_gapfill argument: could not infer start from WHERE clause
HINT: Specify start and finish as arguments or in the WHERE clause.
SELECT
time_bucket_gapfill(1,time,1,NULL)
FROM (VALUES (1),(2)) v(time)
GROUP BY 1;
ERROR: missing time_bucket_gapfill argument: could not infer finish from WHERE clause
HINT: Specify start and finish as arguments or in the WHERE clause.
SELECT
time_bucket_gapfill(NULL,time,'Europe/Berlin','2000-06-01','2001-06-01')
FROM (VALUES ('2000-01-01'::timestamptz),('2001-01-01'::timestamptz)) v(time)
@ -2378,6 +2401,7 @@ FROM (VALUES (1),(2)) v(t)
WHERE true AND true
GROUP BY 1;
ERROR: missing time_bucket_gapfill argument: could not infer start from WHERE clause
HINT: Specify start and finish as arguments or in the WHERE clause.
-- NULL start/finish and no usable time constraints
SELECT
time_bucket_gapfill(1,t,NULL,NULL)
@ -2385,6 +2409,7 @@ FROM (VALUES (1),(2)) v(t)
WHERE true AND true
GROUP BY 1;
ERROR: missing time_bucket_gapfill argument: could not infer start from WHERE clause
HINT: Specify start and finish as arguments or in the WHERE clause.
-- no start and no usable time constraints
SELECT
time_bucket_gapfill(1,t,finish:=1)
@ -2392,6 +2417,7 @@ FROM (VALUES (1),(2)) v(t)
WHERE true AND true
GROUP BY 1;
ERROR: missing time_bucket_gapfill argument: could not infer start from WHERE clause
HINT: Specify start and finish as arguments or in the WHERE clause.
-- NULL start expression and no usable time constraints
SELECT
time_bucket_gapfill(1,t,CASE WHEN length(version())>0 THEN NULL::int ELSE NULL::int END,1)
@ -2399,6 +2425,7 @@ FROM (VALUES (1),(2)) v(t)
WHERE true AND true
GROUP BY 1;
ERROR: invalid time_bucket_gapfill argument: start cannot be NULL
HINT: Specify start and finish as arguments or in the WHERE clause.
-- unsupported start expression and no usable time constraints
SELECT
time_bucket_gapfill(1,t,t,1)
@ -2413,6 +2440,7 @@ FROM (VALUES (1),(2)) v(t)
WHERE true AND true
GROUP BY 1;
ERROR: missing time_bucket_gapfill argument: could not infer start from WHERE clause
HINT: Specify start and finish as arguments or in the WHERE clause.
-- NULL finish expression and no usable time constraints
SELECT
time_bucket_gapfill(1,t,1,CASE WHEN length(version())>0 THEN NULL::int ELSE NULL::int END)
@ -2420,6 +2448,7 @@ FROM (VALUES (1),(2)) v(t)
WHERE true AND true
GROUP BY 1;
ERROR: invalid time_bucket_gapfill argument: finish cannot be NULL
HINT: Specify start and finish as arguments or in the WHERE clause.
-- unsupported finish expression and no usable time constraints
SELECT
time_bucket_gapfill(1,t,1,t)
@ -2434,6 +2463,7 @@ FROM (VALUES (1),(2)) v(t)
WHERE true AND true
GROUP BY 1;
ERROR: missing time_bucket_gapfill argument: could not infer finish from WHERE clause
HINT: Specify start and finish as arguments or in the WHERE clause.
-- NULL finish and no usable time constraints
SELECT
time_bucket_gapfill(1,t,1,NULL)
@ -2441,6 +2471,7 @@ FROM (VALUES (1),(2)) v(t)
WHERE true AND true
GROUP BY 1;
ERROR: missing time_bucket_gapfill argument: could not infer finish from WHERE clause
HINT: Specify start and finish as arguments or in the WHERE clause.
-- expression with column reference on right side
SELECT
time_bucket_gapfill(1,t)
@ -2448,6 +2479,7 @@ FROM (VALUES (1),(2)) v(t)
WHERE t > t AND t < 2
GROUP BY 1;
ERROR: missing time_bucket_gapfill argument: could not infer start from WHERE clause
HINT: Specify start and finish as arguments or in the WHERE clause.
-- expression with cast
SELECT
time_bucket_gapfill(1,t1::int8)
@ -2455,6 +2487,7 @@ FROM (VALUES (1,2),(2,2)) v(t1,t2)
WHERE t1 >= 1 AND t1 <= 2
GROUP BY 1;
ERROR: invalid time_bucket_gapfill argument: ts needs to refer to a single column if no start or finish is supplied
HINT: Specify start and finish as arguments or in the WHERE clause.
-- expression with multiple column references
SELECT
time_bucket_gapfill(1,t1+t2)
@ -2462,6 +2495,7 @@ FROM (VALUES (1,2),(2,2)) v(t1,t2)
WHERE t1 > 1 AND t1 < 2
GROUP BY 1;
ERROR: invalid time_bucket_gapfill argument: ts needs to refer to a single column if no start or finish is supplied
HINT: Specify start and finish as arguments or in the WHERE clause.
-- expression with NULL start in WHERE clause, we use CASE to wrap the NULL so it doesnt get folded
SELECT
time_bucket_gapfill(1,t1)
@ -2469,6 +2503,7 @@ FROM (VALUES (1,2),(2,2)) v(t1,t2)
WHERE t1 > CASE WHEN length(version()) > 0 THEN NULL::int ELSE NULL::int END AND t1 < 4
GROUP BY 1;
ERROR: invalid time_bucket_gapfill argument: start cannot be NULL
HINT: Specify start and finish as arguments or in the WHERE clause.
-- expression with NULL finish in WHERE clause, we use CASE to wrap the NULL so it doesnt get folded
SELECT
time_bucket_gapfill(1,t1)
@ -2476,6 +2511,7 @@ FROM (VALUES (1,2),(2,2)) v(t1,t2)
WHERE t1 > 0 AND t1 < CASE WHEN length(version()) > 0 THEN NULL::int ELSE NULL::int END
GROUP BY 1;
ERROR: invalid time_bucket_gapfill argument: finish cannot be NULL
HINT: Specify start and finish as arguments or in the WHERE clause.
-- non-Const NULL as start argument, we use CASE to wrap the NULL so it doesnt get folded
SELECT
time_bucket_gapfill(1,t1,CASE WHEN length(version())>0 THEN NULL::int ELSE NULL::int END)
@ -2483,6 +2519,7 @@ FROM (VALUES (1,2),(2,2)) v(t1,t2)
WHERE t1 > 0 AND t1 < 2
GROUP BY 1;
ERROR: invalid time_bucket_gapfill argument: start cannot be NULL
HINT: Specify start and finish as arguments or in the WHERE clause.
-- non-Const NULL as finish argument, we use CASE to wrap the NULL so it doesnt get folded
SELECT
time_bucket_gapfill(1,t1,NULL,CASE WHEN length(version())>0 THEN NULL::int ELSE NULL::int END)
@ -2490,6 +2527,7 @@ FROM (VALUES (1,2),(2,2)) v(t1,t2)
WHERE t1 > 0 AND t1 < 2
GROUP BY 1;
ERROR: invalid time_bucket_gapfill argument: finish cannot be NULL
HINT: Specify start and finish as arguments or in the WHERE clause.
-- time_bucket_gapfill with constraints ORed
SELECT
time_bucket_gapfill(1::int8,t::int8)
@ -2498,6 +2536,7 @@ WHERE
t >= -1 OR t < 3
GROUP BY 1;
ERROR: invalid time_bucket_gapfill argument: ts needs to refer to a single column if no start or finish is supplied
HINT: Specify start and finish as arguments or in the WHERE clause.
\set ON_ERROR_STOP 1
-- int32 time_bucket_gapfill with no start/finish
SELECT
@ -3284,3 +3323,4 @@ SELECT time_bucket_gapfill('2 month'::interval, ts, 'Europe/Berlin', '2000-01-01
(6 rows)
RESET timezone;
DROP INDEX gapfill_plan_test_indx;

48
tsl/test/shared/expected/gapfill-15.out
View File

@ -2,6 +2,8 @@
-- Please see the included NOTICE for copyright information and
-- LICENSE-TIMESCALE for a copy of the license.
\set EXPLAIN 'EXPLAIN (COSTS OFF)'
-- we want to see error details in the output
\set VERBOSITY default
-- simple example
:EXPLAIN
SELECT
@ -331,6 +333,7 @@ FROM :METRICS
WHERE time =0 AND time < 2
GROUP BY 1;
ERROR: missing time_bucket_gapfill argument: could not infer start from WHERE clause
HINT: Specify start and finish as arguments or in the WHERE clause.
-- test with 2 tables and where clause doesnt match gapfill argument
SELECT
time_bucket_gapfill(1,m2.time)
@ -338,6 +341,7 @@ FROM :METRICS m, :METRICS m2
WHERE m.time >=0 AND m.time < 2
GROUP BY 1;
ERROR: missing time_bucket_gapfill argument: could not infer start from WHERE clause
HINT: Specify start and finish as arguments or in the WHERE clause.
-- test inner join and where clause doesnt match gapfill argument
SELECT
time_bucket_gapfill(1,m2.time)
@ -345,6 +349,7 @@ FROM :METRICS m1 INNER JOIN :METRICS m2 ON m1.time=m2.time
WHERE m1.time >=0 AND m1.time < 2
GROUP BY 1;
ERROR: missing time_bucket_gapfill argument: could not infer start from WHERE clause
HINT: Specify start and finish as arguments or in the WHERE clause.
-- test outer join with constraints in join condition
-- not usable as start/stop
SELECT
@ -352,6 +357,7 @@ SELECT
FROM :METRICS m1 LEFT OUTER JOIN :METRICS m2 ON m1.time=m2.time AND m1.time >=0 AND m1.time < 2
GROUP BY 1;
ERROR: missing time_bucket_gapfill argument: could not infer start from WHERE clause
HINT: Specify start and finish as arguments or in the WHERE clause.
\set ON_ERROR_STOP 1
\ir include/gapfill_metrics_query.sql
-- This file and its contents are licensed under the Timescale License.
@ -938,7 +944,10 @@ SELECT
locf(min(time),treat_null_as_missing:=1)
FROM (VALUES (1),(2)) v(time)
GROUP BY 1;
ERROR: function locf(integer, treat_null_as_missing => integer) does not exist at character 46
ERROR: function locf(integer, treat_null_as_missing => integer) does not exist
LINE 3: locf(min(time),treat_null_as_missing:=1)
^
HINT: No function matches the given name and argument types. You might need to add explicit type casts.
-- test locf with treat_null_as_missing not literal
SELECT
time_bucket_gapfill(1,time,1,11),
@ -979,12 +988,14 @@ SELECT
FROM (VALUES (1),(2)) v(time)
GROUP BY 1;
ERROR: first argument of interpolate returned record must match used timestamp datatype
DETAIL: Returned type double precision does not match expected type integer.
SELECT
time_bucket_gapfill(1,time,1,11),
interpolate(min(time),prev=>(SELECT (10::float,10)))
FROM (VALUES (2),(3)) v(time)
GROUP BY 1;
ERROR: first argument of interpolate returned record must match used timestamp datatype
DETAIL: Returned type double precision does not match expected type integer.
-- test interpolate lookup query with mismatching value datatype
SELECT
time_bucket_gapfill(1,time,1,11),
@ -992,25 +1003,33 @@ SELECT
FROM (VALUES (1),(2)) v(time)
GROUP BY 1;
ERROR: second argument of interpolate returned record must match used interpolate datatype
DETAIL: Returned type double precision does not match expected type integer.
SELECT
time_bucket_gapfill(1,time,1,11),
interpolate(min(time),prev=>(SELECT (10,10::float)))
FROM (VALUES (2),(3)) v(time)
GROUP BY 1;
ERROR: second argument of interpolate returned record must match used interpolate datatype
DETAIL: Returned type double precision does not match expected type integer.
-- test interpolate with unsupported datatype
SELECT
time_bucket_gapfill(1,time,1,11),
interpolate(text 'text')
FROM (VALUES (1),(2)) v(time)
GROUP BY 1;
ERROR: function interpolate(text) does not exist at character 46
ERROR: function interpolate(text) does not exist
LINE 3: interpolate(text 'text')
^
HINT: No function matches the given name and argument types. You might need to add explicit type casts.
SELECT
time_bucket_gapfill(1,time,1,11),
interpolate(interval '1d')
FROM (VALUES (2),(3)) v(time)
GROUP BY 1;
ERROR: function interpolate(interval) does not exist at character 46
ERROR: function interpolate(interval) does not exist
LINE 3: interpolate(interval '1d')
^
HINT: No function matches the given name and argument types. You might need to add explicit type casts.
-- test multiple time_bucket_gapfill calls
SELECT
time_bucket_gapfill(1,time,1,11),time_bucket_gapfill(1,time,1,11)
@ -1058,7 +1077,9 @@ SELECT
avg(avg(min(time)) OVER ()) OVER ()
FROM (VALUES (1),(2)) v(time)
GROUP BY 1;
ERROR: window function calls cannot be nested at character 50
ERROR: window function calls cannot be nested
LINE 3: avg(avg(min(time)) OVER ()) OVER ()
^
-- test multiple window functions in single column
SELECT
time_bucket_gapfill(1,time,1,11),
@ -1096,11 +1117,13 @@ SELECT
FROM (VALUES (1),(2)) v(time)
GROUP BY 1;
ERROR: missing time_bucket_gapfill argument: could not infer start from WHERE clause
HINT: Specify start and finish as arguments or in the WHERE clause.
SELECT
time_bucket_gapfill(1,time,1,NULL)
FROM (VALUES (1),(2)) v(time)
GROUP BY 1;
ERROR: missing time_bucket_gapfill argument: could not infer finish from WHERE clause
HINT: Specify start and finish as arguments or in the WHERE clause.
SELECT
time_bucket_gapfill(NULL,time,'Europe/Berlin','2000-06-01','2001-06-01')
FROM (VALUES ('2000-01-01'::timestamptz),('2001-01-01'::timestamptz)) v(time)
@ -2378,6 +2401,7 @@ FROM (VALUES (1),(2)) v(t)
WHERE true AND true
GROUP BY 1;
ERROR: missing time_bucket_gapfill argument: could not infer start from WHERE clause
HINT: Specify start and finish as arguments or in the WHERE clause.
-- NULL start/finish and no usable time constraints
SELECT
time_bucket_gapfill(1,t,NULL,NULL)
@ -2385,6 +2409,7 @@ FROM (VALUES (1),(2)) v(t)
WHERE true AND true
GROUP BY 1;
ERROR: missing time_bucket_gapfill argument: could not infer start from WHERE clause
HINT: Specify start and finish as arguments or in the WHERE clause.
-- no start and no usable time constraints
SELECT
time_bucket_gapfill(1,t,finish:=1)
@ -2392,6 +2417,7 @@ FROM (VALUES (1),(2)) v(t)
WHERE true AND true
GROUP BY 1;
ERROR: missing time_bucket_gapfill argument: could not infer start from WHERE clause
HINT: Specify start and finish as arguments or in the WHERE clause.
-- NULL start expression and no usable time constraints
SELECT
time_bucket_gapfill(1,t,CASE WHEN length(version())>0 THEN NULL::int ELSE NULL::int END,1)
@ -2399,6 +2425,7 @@ FROM (VALUES (1),(2)) v(t)
WHERE true AND true
GROUP BY 1;
ERROR: invalid time_bucket_gapfill argument: start cannot be NULL
HINT: Specify start and finish as arguments or in the WHERE clause.
-- unsupported start expression and no usable time constraints
SELECT
time_bucket_gapfill(1,t,t,1)
@ -2413,6 +2440,7 @@ FROM (VALUES (1),(2)) v(t)
WHERE true AND true
GROUP BY 1;
ERROR: missing time_bucket_gapfill argument: could not infer start from WHERE clause
HINT: Specify start and finish as arguments or in the WHERE clause.
-- NULL finish expression and no usable time constraints
SELECT
time_bucket_gapfill(1,t,1,CASE WHEN length(version())>0 THEN NULL::int ELSE NULL::int END)
@ -2420,6 +2448,7 @@ FROM (VALUES (1),(2)) v(t)
WHERE true AND true
GROUP BY 1;
ERROR: invalid time_bucket_gapfill argument: finish cannot be NULL
HINT: Specify start and finish as arguments or in the WHERE clause.
-- unsupported finish expression and no usable time constraints
SELECT
time_bucket_gapfill(1,t,1,t)
@ -2434,6 +2463,7 @@ FROM (VALUES (1),(2)) v(t)
WHERE true AND true
GROUP BY 1;
ERROR: missing time_bucket_gapfill argument: could not infer finish from WHERE clause
HINT: Specify start and finish as arguments or in the WHERE clause.
-- NULL finish and no usable time constraints
SELECT
time_bucket_gapfill(1,t,1,NULL)
@ -2441,6 +2471,7 @@ FROM (VALUES (1),(2)) v(t)
WHERE true AND true
GROUP BY 1;
ERROR: missing time_bucket_gapfill argument: could not infer finish from WHERE clause
HINT: Specify start and finish as arguments or in the WHERE clause.
-- expression with column reference on right side
SELECT
time_bucket_gapfill(1,t)
@ -2448,6 +2479,7 @@ FROM (VALUES (1),(2)) v(t)
WHERE t > t AND t < 2
GROUP BY 1;
ERROR: missing time_bucket_gapfill argument: could not infer start from WHERE clause
HINT: Specify start and finish as arguments or in the WHERE clause.
-- expression with cast
SELECT
time_bucket_gapfill(1,t1::int8)
@ -2455,6 +2487,7 @@ FROM (VALUES (1,2),(2,2)) v(t1,t2)
WHERE t1 >= 1 AND t1 <= 2
GROUP BY 1;
ERROR: invalid time_bucket_gapfill argument: ts needs to refer to a single column if no start or finish is supplied
HINT: Specify start and finish as arguments or in the WHERE clause.
-- expression with multiple column references
SELECT
time_bucket_gapfill(1,t1+t2)
@ -2462,6 +2495,7 @@ FROM (VALUES (1,2),(2,2)) v(t1,t2)
WHERE t1 > 1 AND t1 < 2
GROUP BY 1;
ERROR: invalid time_bucket_gapfill argument: ts needs to refer to a single column if no start or finish is supplied
HINT: Specify start and finish as arguments or in the WHERE clause.
-- expression with NULL start in WHERE clause, we use CASE to wrap the NULL so it doesnt get folded
SELECT
time_bucket_gapfill(1,t1)
@ -2469,6 +2503,7 @@ FROM (VALUES (1,2),(2,2)) v(t1,t2)
WHERE t1 > CASE WHEN length(version()) > 0 THEN NULL::int ELSE NULL::int END AND t1 < 4
GROUP BY 1;
ERROR: invalid time_bucket_gapfill argument: start cannot be NULL
HINT: Specify start and finish as arguments or in the WHERE clause.
-- expression with NULL finish in WHERE clause, we use CASE to wrap the NULL so it doesnt get folded
SELECT
time_bucket_gapfill(1,t1)
@ -2476,6 +2511,7 @@ FROM (VALUES (1,2),(2,2)) v(t1,t2)
WHERE t1 > 0 AND t1 < CASE WHEN length(version()) > 0 THEN NULL::int ELSE NULL::int END
GROUP BY 1;
ERROR: invalid time_bucket_gapfill argument: finish cannot be NULL
HINT: Specify start and finish as arguments or in the WHERE clause.
-- non-Const NULL as start argument, we use CASE to wrap the NULL so it doesnt get folded
SELECT
time_bucket_gapfill(1,t1,CASE WHEN length(version())>0 THEN NULL::int ELSE NULL::int END)
@ -2483,6 +2519,7 @@ FROM (VALUES (1,2),(2,2)) v(t1,t2)
WHERE t1 > 0 AND t1 < 2
GROUP BY 1;
ERROR: invalid time_bucket_gapfill argument: start cannot be NULL
HINT: Specify start and finish as arguments or in the WHERE clause.
-- non-Const NULL as finish argument, we use CASE to wrap the NULL so it doesnt get folded
SELECT
time_bucket_gapfill(1,t1,NULL,CASE WHEN length(version())>0 THEN NULL::int ELSE NULL::int END)
@ -2490,6 +2527,7 @@ FROM (VALUES (1,2),(2,2)) v(t1,t2)
WHERE t1 > 0 AND t1 < 2
GROUP BY 1;
ERROR: invalid time_bucket_gapfill argument: finish cannot be NULL
HINT: Specify start and finish as arguments or in the WHERE clause.
-- time_bucket_gapfill with constraints ORed
SELECT
time_bucket_gapfill(1::int8,t::int8)
@ -2498,6 +2536,7 @@ WHERE
t >= -1 OR t < 3
GROUP BY 1;
ERROR: invalid time_bucket_gapfill argument: ts needs to refer to a single column if no start or finish is supplied
HINT: Specify start and finish as arguments or in the WHERE clause.
\set ON_ERROR_STOP 1
-- int32 time_bucket_gapfill with no start/finish
SELECT
@ -3284,3 +3323,4 @@ SELECT time_bucket_gapfill('2 month'::interval, ts, 'Europe/Berlin', '2000-01-01
(6 rows)
RESET timezone;
DROP INDEX gapfill_plan_test_indx;

4
tsl/test/shared/sql/gapfill.sql.in
View File

@ -3,6 +3,8 @@
-- LICENSE-TIMESCALE for a copy of the license.
\set EXPLAIN 'EXPLAIN (COSTS OFF)'
-- we want to see error details in the output
\set VERBOSITY default
-- simple example
:EXPLAIN
@ -1502,3 +1504,5 @@ SET timezone TO 'Europe/Berlin';
SELECT time_bucket_gapfill('2 month'::interval, ts, 'Europe/Berlin', '2000-01-01','2001-01-01') FROM (VALUES ('2000-03-01'::timestamptz)) v(ts) GROUP BY 1;
RESET timezone;
DROP INDEX gapfill_plan_test_indx;