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psql: Let \l accept a pattern

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reviewed by Satoshi Nagayasu
This commit is contained in:
Peter Eisentraut 2013-03-03 22:17:08 -05:00 committed by Magnus Hagander
parent 54d6706ded
commit 0ea1f6e98f
6 changed files with 30 additions and 12 deletions
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9
doc/src/sgml/ref/psql-ref.sgml
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@ -1745,12 +1745,13 @@ hello 10
<varlistentry>
<term><literal>\l</literal> (or <literal>\list</literal>)</term>
<term><literal>\l+</literal> (or <literal>\list+</literal>)</term>
<term><literal>\l[+]</literal> or <literal>\list[+] [ <link linkend="APP-PSQL-patterns"><replaceable class="parameter">pattern</replaceable></link> ]</literal></term>
<listitem>
<para>
List the names, owners, character set encodings, and access privileges
of all the databases in the server.
List the databases in the server and show their names, owners,
character set encodings, and access privileges.
If <replaceable class="parameter">pattern</replaceable> is specified,
only databases whose names match the pattern are listed.
If <literal>+</literal> is appended to the command name, database
sizes, default tablespaces, and descriptions are also displayed.
(Size information is only available for databases that the current

20
src/bin/psql/command.c
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@ -821,10 +821,22 @@ exec_command(const char *cmd,
}
/* \l is list databases */
else if (strcmp(cmd, "l") == 0 || strcmp(cmd, "list") == 0)
success = listAllDbs(false);
else if (strcmp(cmd, "l+") == 0 || strcmp(cmd, "list+") == 0)
success = listAllDbs(true);
else if (strcmp(cmd, "l") == 0 || strcmp(cmd, "list") == 0 ||
strcmp(cmd, "l+") == 0 || strcmp(cmd, "list+") == 0)
{
char *pattern;
bool show_verbose;
pattern = psql_scan_slash_option(scan_state,
OT_NORMAL, NULL, true);
show_verbose = strchr(cmd, '+') ? true : false;
success = listAllDbs(pattern, show_verbose);
if (pattern)
free(pattern);
}
/*
* large object things

7
src/bin/psql/describe.c
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@ -641,7 +641,7 @@ describeOperators(const char *pattern, bool showSystem)
* for \l, \list, and -l switch
*/
bool
listAllDbs(bool verbose)
listAllDbs(const char *pattern, bool verbose)
{
PGresult *res;
PQExpBufferData buf;
@ -684,6 +684,11 @@ listAllDbs(bool verbose)
if (verbose && pset.sversion >= 80000)
appendPQExpBuffer(&buf,
" JOIN pg_catalog.pg_tablespace t on d.dattablespace = t.oid\n");
if (pattern)
processSQLNamePattern(pset.db, &buf, pattern, false, false,
NULL, "d.datname", NULL, NULL);
appendPQExpBuffer(&buf, "ORDER BY 1;");
res = PSQLexec(buf.data, false);
termPQExpBuffer(&buf);

2
src/bin/psql/describe.h
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@ -55,7 +55,7 @@ extern bool listTSDictionaries(const char *pattern, bool verbose);
extern bool listTSTemplates(const char *pattern, bool verbose);
/* \l */
extern bool listAllDbs(bool verbose);
extern bool listAllDbs(const char *pattern, bool verbose);
/* \dt, \di, \ds, \dS, etc. */
extern bool listTables(const char *tabtypes, const char *pattern, bool verbose, bool showSystem);

2
src/bin/psql/help.c
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@ -235,7 +235,7 @@ slashUsage(unsigned short int pager)
fprintf(output, _(" \\dE[S+] [PATTERN] list foreign tables\n"));
fprintf(output, _(" \\dx[+] [PATTERN] list extensions\n"));
fprintf(output, _(" \\dy [PATTERN] list event triggers\n"));
fprintf(output, _(" \\l[+] list all databases\n"));
fprintf(output, _(" \\l[+] [PATTERN] list databases\n"));
fprintf(output, _(" \\sf[+] FUNCNAME show a function's definition\n"));
fprintf(output, _(" \\z [PATTERN] same as \\dp\n"));
fprintf(output, "\n");

2
src/bin/psql/startup.c
View File

@ -260,7 +260,7 @@ main(int argc, char *argv[])
if (!options.no_psqlrc)
process_psqlrc(argv[0]);
success = listAllDbs(false);
success = listAllDbs(NULL, false);
PQfinish(pset.db);
exit(success ? EXIT_SUCCESS : EXIT_FAILURE);
}