On Fri, Apr 5, 2024 at 5:00 PM Alexander Lakhin <exclusion@gmail.com> wrote:
> 05.04.2024 10:09, Amit Langote wrote:
> > Seems like it might be a pre-existing issue, because I can also
> > reproduce the crash with:
>
> That's strange, because I get the error (on master, 6f132ed69).
> With backtrace_functions = 'tupledesc_match', I see
> 2024-04-05 10:48:27.827 MSK client backend[2898632] regress ERROR: function return row and query-specified return row
do
> not match
> 2024-04-05 10:48:27.827 MSK client backend[2898632] regress DETAIL: Returned row contains 1 attribute, but query
expects2.
> 2024-04-05 10:48:27.827 MSK client backend[2898632] regress BACKTRACE:
> tupledesc_match at execSRF.c:948:3
> ExecMakeTableFunctionResult at execSRF.c:427:13
> FunctionNext at nodeFunctionscan.c:94:5
> ExecScanFetch at execScan.c:131:10
> ExecScan at execScan.c:180:10
> ExecFunctionScan at nodeFunctionscan.c:272:1
> ExecProcNodeFirst at execProcnode.c:465:1
> ExecProcNode at executor.h:274:9
> (inlined by) ExecutePlan at execMain.c:1646:10
> standard_ExecutorRun at execMain.c:363:3
> ExecutorRun at execMain.c:305:1
> PortalRunSelect at pquery.c:926:26
> PortalRun at pquery.c:775:8
> exec_simple_query at postgres.c:1282:3
> PostgresMain at postgres.c:4684:27
> BackendMain at backend_startup.c:57:2
> pgarch_die at pgarch.c:847:1
> BackendStartup at postmaster.c:3593:8
> ServerLoop at postmaster.c:1674:6
> main at main.c:184:3
> /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x80) [0x7f37127f0e40]
> 2024-04-05 10:48:27.827 MSK client backend[2898632] regress STATEMENT: SELECT * FROM COALESCE(row(1)) AS (a int, b
int);
>
> That's why I had attributed the failure to JSON_TABLE().
>
> Though SELECT * FROM generate_series(1, 1), COALESCE(row(1)) AS (a int, b int);
> really triggers the assert too.
> Sorry for the noise...
No worries. Let's start another thread so that this gets more attention.
--
Thanks, Amit Langote