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Revert "Permit dump/reload of not-too-large >1GB tuples"

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This reverts commit 646655d264.
Per Tom Lane, changing the definition of StringInfoData amounts to an
ABI break, which is unacceptable in back branches.
This commit is contained in:
Alvaro Herrera
2016-12-06 12:36:44 -03:00
parent 8606271640
commit f858524ee4
4 changed files with 22 additions and 74 deletions
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8
src/backend/commands/copy.c
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@ -400,7 +400,7 @@ ReceiveCopyBegin(CopyState cstate)
pq_sendint(&buf, format, 2); /* per-column formats */
pq_endmessage(&buf);
cstate->copy_dest = COPY_NEW_FE;
cstate->fe_msgbuf = makeLongStringInfo();
cstate->fe_msgbuf = makeStringInfo();
}
else if (PG_PROTOCOL_MAJOR(FrontendProtocol) >= 2)
{
@ -1865,7 +1865,7 @@ CopyTo(CopyState cstate)
cstate->null_print_client = cstate->null_print; /* default */
/* We use fe_msgbuf as a per-row buffer regardless of copy_dest */
cstate->fe_msgbuf = makeLongStringInfo();
cstate->fe_msgbuf = makeStringInfo();
/* Get info about the columns we need to process. */
cstate->out_functions = (FmgrInfo *) palloc(num_phys_attrs * sizeof(FmgrInfo));
@ -2681,8 +2681,8 @@ BeginCopyFrom(Relation rel,
cstate->cur_attval = NULL;
/* Set up variables to avoid per-attribute overhead. */
initLongStringInfo(&cstate->attribute_buf);
initLongStringInfo(&cstate->line_buf);
initStringInfo(&cstate->attribute_buf);
initStringInfo(&cstate->line_buf);
cstate->line_buf_converted = false;
cstate->raw_buf = (char *) palloc(RAW_BUF_SIZE + 1);
cstate->raw_buf_index = cstate->raw_buf_len = 0;