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Create a psql command \gset to store query results into psql variables.

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This eases manipulation of query results in psql scripts.

Pavel Stehule, reviewed by Piyush Newe, Shigeru Hanada, and Tom Lane
This commit is contained in:
Tom Lane
2013-02-02 17:06:38 -05:00
parent 101d6ae755
commit d2d153fdb0
10 changed files with 254 additions and 15 deletions
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5
src/bin/psql/help.c
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@ -165,13 +165,14 @@ slashUsage(unsigned short int pager)
currdb = PQdb(pset.db);
output = PageOutput(94, pager);
output = PageOutput(95, pager);
/* if you add/remove a line here, change the row count above */
fprintf(output, _("General\n"));
fprintf(output, _(" \\copyright show PostgreSQL usage and distribution terms\n"));
fprintf(output, _(" \\g [FILE] or ; execute query (and send results to file or |pipe)\n"));
fprintf(output, _(" \\gset [PREFIX] execute query and store results in psql variables\n"));
fprintf(output, _(" \\h [NAME] help on syntax of SQL commands, * for all commands\n"));
fprintf(output, _(" \\q quit psql\n"));
fprintf(output, "\n");
@ -261,7 +262,7 @@ slashUsage(unsigned short int pager)
currdb);
else
fprintf(output, _(" \\c[onnect] [DBNAME|- USER|- HOST|- PORT|-]\n"
" connect to new database (currently no connection)\n")),
" connect to new database (currently no connection)\n"));
fprintf(output, _(" \\encoding [ENCODING] show or set client encoding\n"));
fprintf(output, _(" \\password [USERNAME] securely change the password for a user\n"));
fprintf(output, _(" \\conninfo display information about current connection\n"));