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Add HEADER support to COPY text format

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The COPY CSV format supports the HEADER option to output a header
line.  This patch adds the same option to the default text format.  On
input, the HEADER option causes the first line to be skipped, same as
with CSV.

Author: Rémi Lapeyre <remi.lapeyre@lenstra.fr>
Discussion: https://www.postgresql.org/message-id/flat/CAF1-J-0PtCWMeLtswwGV2M70U26n4g33gpe1rcKQqe6wVQDrFA@mail.gmail.com
This commit is contained in:
Peter Eisentraut
2022-01-28 09:22:53 +01:00
parent 5553cbd4fe
commit 43f33dc018
8 changed files with 29 additions and 9 deletions
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4
src/backend/commands/copy.c
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@@ -555,10 +555,10 @@ ProcessCopyOptions(ParseState *pstate,
errmsg("COPY delimiter cannot be \"%s\"", opts_out->delim)));
/* Check header */
if (!opts_out->csv_mode && opts_out->header_line)
if (opts_out->binary && opts_out->header_line)
ereport(ERROR,
(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
errmsg("COPY HEADER available only in CSV mode")));
errmsg("cannot specify HEADER in BINARY mode")));
/* Check quote */
if (!opts_out->csv_mode && opts_out->quote != NULL)