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psql: Show all query results by default

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Previously, psql printed only the last result if a command string
returned multiple result sets.  Now it prints all of them.  The
previous behavior can be obtained by setting the psql variable
SHOW_ALL_RESULTS to off.

This is a significantly enhanced version of
3a51306722 (that was later reverted).
There is also much more test coverage for various psql features now.

Author: Fabien COELHO <coelho@cri.ensmp.fr>
Reviewed-by: Peter Eisentraut <peter.eisentraut@enterprisedb.com>
Reviewed-by: "Iwata, Aya" <iwata.aya@jp.fujitsu.com> (earlier version)
Reviewed-by: Daniel Verite <daniel@manitou-mail.org> (earlier version)
Reviewed-by: Kyotaro Horiguchi <horikyota.ntt@gmail.com> (earlier version)
Reviewed-by: vignesh C <vignesh21@gmail.com> (earlier version)
Discussion: https://www.postgresql.org/message-id/flat/alpine.DEB.2.21.1904132231510.8961@lancre
This commit is contained in:
Peter Eisentraut
2022-04-04 14:57:17 +02:00
parent cbf4177f2c
commit 7844c9918a
14 changed files with 801 additions and 255 deletions
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2
src/bin/psql/help.c
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@ -413,6 +413,8 @@ helpVariables(unsigned short int pager)
fprintf(output, _(" SERVER_VERSION_NAME\n"
" SERVER_VERSION_NUM\n"
" server's version (in short string or numeric format)\n"));
fprintf(output, _(" SHOW_ALL_RESULTS\n"
" show all results of a combined query (\\;) instead of only the last\n"));
fprintf(output, _(" SHOW_CONTEXT\n"
" controls display of message context fields [never, errors, always]\n"));
fprintf(output, _(" SINGLELINE\n"