Dudás József <dj1999@xxxxxxxxxxx> writes: > Here is the output from gdb: > > #0 errfinish (dummy=0) at elog.c:312 > #1 0x0827f378 in elog_finish (elevel=20, > fmt=0x83586d8 "invalid memory alloc request size %lu") at elog.c:937 > #2 0x082983d7 in MemoryContextAlloc (context=0x843a1ac, size=4294967293) > at mcxt.c:504 > #3 0x0825751d in varcharout (fcinfo=0xbf8a1e7c) at varchar.c:447 I'm sorry I missed the beginning of this thread. This is happening on a straight simple select of the table right? Did you already post the source of your C trigger function? How is it constructing the original varchar datum and doing the insert? -- Gregory Stark EnterpriseDB http://www.enterprisedb.com