Oh, and gdb is reporting the segfault occurs in "dupedExprSize". Partial traceback:
#0 0x00007ffff4d4645b in dupedExprSize () from /usr/local/lib/libsqlite3.so.0 No symbol table info available. #1 0x00007ffff4d5bf12 in exprDup () from /usr/local/lib/libsqlite3.so.0 No symbol table info available. #2 0x00007ffff4d5c091 in sqlite3ExprListDup () from /usr/local/lib/libsqlite3.so.0 No symbol table info available. #3 0x00007ffff4dbfa4f in sqlite3Select () from /usr/local/lib/libsqlite3.so.0 No symbol table info available. #4 0x00007ffff4df082b in sqlite3RunParser () from /usr/local/lib/libsqlite3.so.0 No symbol table info available. On Mon, Jul 2, 2018 at 10:54 AM, Charles Leifer <colei...@gmail.com> wrote: > I'm getting a segfault with the following query, which uses window > functions: > > SELECT "t1"."counter", "t1"."value", RANK() OVER w AS "rank" > FROM "sample" AS "t1" > WINDOW w AS (PARTITION BY "t1"."counter" ORDER BY "t1"."value" DESC) > ORDER BY "t1"."counter", RANK() OVER w > > The sql used to create the "sample" table: > > CREATE TABLE IF NOT EXISTS "sample" ( > "id" INTEGER NOT NULL PRIMARY KEY, > "counter" INTEGER NOT NULL, > "value" REAL NOT NULL); > > Test data: > > INSERT INTO "sample" (counter, value) VALUES (1, 10.), (1, 20.), (2, 1.), > (2, 3.), (3, 100.); > > The expected output for the window query is: > > 1, 20., 1 > 1, 10., 2 > 2, 3., 1 > 2, 1., 2 > 3, 100., 1 > _______________________________________________ sqlite-users mailing list sqlite-users@mailinglists.sqlite.org http://mailinglists.sqlite.org/cgi-bin/mailman/listinfo/sqlite-users
