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Commit00f4c29

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psql: Add option to use expanded mode to all list commands.
This allows "x" to be appended to any psql list-like meta-command,forcing its output to be displayed in expanded mode. This improvesreadability in cases where the output is very wide. For example,"\dfx+" (or equivalently "\df+x") will produce a list of functions,with additional details, in expanded mode.This works with all \d* meta-commands, plus \l, \z, and \lo_list, withthe one exception that the expanded mode option "x" cannot be appendedto "\d" by itself, since "\dx" already means something else.Dean Rasheed, reviewed by Greg Sabino Mullane.Discussion:https://postgr.es/m/CAEZATCVXJk3KsmCncf7PAVbxdDAUDm3QzDgGT7mBYySWikuOYw@mail.gmail.com
1 parent94b914f commit00f4c29

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6 files changed

+418
-131
lines changed

6 files changed

+418
-131
lines changed

‎doc/src/sgml/ref/psql-ref.sgml

Lines changed: 206 additions & 69 deletions
Large diffs are not rendered by default.

‎src/bin/psql/command.c

Lines changed: 61 additions & 7 deletions
Original file line numberDiff line numberDiff line change
@@ -377,7 +377,10 @@ exec_command(const char *cmd,
377377
elseif (strcmp(cmd,"if")==0)
378378
status=exec_command_if(scan_state,cstack,query_buf);
379379
elseif (strcmp(cmd,"l")==0||strcmp(cmd,"list")==0||
380-
strcmp(cmd,"l+")==0||strcmp(cmd,"list+")==0)
380+
strcmp(cmd,"lx")==0||strcmp(cmd,"listx")==0||
381+
strcmp(cmd,"l+")==0||strcmp(cmd,"list+")==0||
382+
strcmp(cmd,"lx+")==0||strcmp(cmd,"listx+")==0||
383+
strcmp(cmd,"l+x")==0||strcmp(cmd,"list+x")==0)
381384
status=exec_command_list(scan_state,active_branch,cmd);
382385
elseif (strncmp(cmd,"lo_",3)==0)
383386
status=exec_command_lo(scan_state,active_branch,cmd);
@@ -424,7 +427,9 @@ exec_command(const char *cmd,
424427
query_buf,previous_buf);
425428
elseif (strcmp(cmd,"x")==0)
426429
status=exec_command_x(scan_state,active_branch);
427-
elseif (strcmp(cmd,"z")==0||strcmp(cmd,"zS")==0)
430+
elseif (strcmp(cmd,"z")==0||
431+
strcmp(cmd,"zS")==0||strcmp(cmd,"zx")==0||
432+
strcmp(cmd,"zSx")==0||strcmp(cmd,"zxS")==0)
428433
status=exec_command_z(scan_state,active_branch,cmd);
429434
elseif (strcmp(cmd,"!")==0)
430435
status=exec_command_shell_escape(scan_state,active_branch);
@@ -850,6 +855,7 @@ exec_command_d(PsqlScanState scan_state, bool active_branch, const char *cmd)
850855
char*pattern;
851856
boolshow_verbose,
852857
show_system;
858+
unsigned shortintsave_expanded;
853859

854860
/* We don't do SQLID reduction on the pattern yet */
855861
pattern=psql_scan_slash_option(scan_state,
@@ -858,6 +864,16 @@ exec_command_d(PsqlScanState scan_state, bool active_branch, const char *cmd)
858864
show_verbose=strchr(cmd,'+') ? true : false;
859865
show_system=strchr(cmd,'S') ? true : false;
860866

867+
/*
868+
* The 'x' option turns expanded mode on for this command only. This
869+
* is allowed in all \d* commands, except \d by itself, since \dx is a
870+
* separate command. So the 'x' option cannot appear immediately after
871+
* \d, but it can appear after \d followed by other options.
872+
*/
873+
save_expanded=pset.popt.topt.expanded;
874+
if (cmd[1]!='\0'&&strchr(&cmd[2],'x'))
875+
pset.popt.topt.expanded=1;
876+
861877
switch (cmd[1])
862878
{
863879
case'\0':
@@ -873,13 +889,14 @@ exec_command_d(PsqlScanState scan_state, bool active_branch, const char *cmd)
873889
{
874890
char*pattern2=NULL;
875891

876-
if (pattern&&cmd[2]!='\0'&&cmd[2]!='+')
892+
if (pattern&&cmd[2]!='\0'&&cmd[2]!='+'&&cmd[2]!='x')
877893
pattern2=psql_scan_slash_option(scan_state,OT_NORMAL,NULL, true);
878894

879895
switch (cmd[2])
880896
{
881897
case'\0':
882898
case'+':
899+
case'x':
883900
success=describeAccessMethods(pattern,show_verbose);
884901
break;
885902
case'c':
@@ -941,6 +958,7 @@ exec_command_d(PsqlScanState scan_state, bool active_branch, const char *cmd)
941958
case'p':
942959
case't':
943960
case'w':
961+
case'x':
944962
success=exec_command_dfo(scan_state,cmd,pattern,
945963
show_verbose,show_system);
946964
break;
@@ -981,6 +999,7 @@ exec_command_d(PsqlScanState scan_state, bool active_branch, const char *cmd)
981999
case't':
9821000
case'i':
9831001
case'n':
1002+
case'x':
9841003
success=listPartitionedTables(&cmd[2],pattern,show_verbose);
9851004
break;
9861005
default:
@@ -1041,6 +1060,7 @@ exec_command_d(PsqlScanState scan_state, bool active_branch, const char *cmd)
10411060
{
10421061
case'\0':
10431062
case'+':
1063+
case'x':
10441064
success=listTSConfigs(pattern,show_verbose);
10451065
break;
10461066
case'p':
@@ -1093,6 +1113,9 @@ exec_command_d(PsqlScanState scan_state, bool active_branch, const char *cmd)
10931113
status=PSQL_CMD_UNKNOWN;
10941114
}
10951115

1116+
/* Restore original expanded mode */
1117+
pset.popt.topt.expanded=save_expanded;
1118+
10961119
free(pattern);
10971120
}
10981121
else
@@ -2044,14 +2067,23 @@ exec_command_list(PsqlScanState scan_state, bool active_branch, const char *cmd)
20442067
{
20452068
char*pattern;
20462069
boolshow_verbose;
2070+
unsigned shortintsave_expanded;
20472071

20482072
pattern=psql_scan_slash_option(scan_state,
20492073
OT_NORMAL,NULL, true);
20502074

20512075
show_verbose=strchr(cmd,'+') ? true : false;
20522076

2077+
/* if 'x' option specified, force expanded mode */
2078+
save_expanded=pset.popt.topt.expanded;
2079+
if (strchr(cmd,'x'))
2080+
pset.popt.topt.expanded=1;
2081+
20532082
success=listAllDbs(pattern,show_verbose);
20542083

2084+
/* restore original expanded mode */
2085+
pset.popt.topt.expanded=save_expanded;
2086+
20552087
free(pattern);
20562088
}
20572089
else
@@ -2107,10 +2139,23 @@ exec_command_lo(PsqlScanState scan_state, bool active_branch, const char *cmd)
21072139
}
21082140
}
21092141

2110-
elseif (strcmp(cmd+3,"list")==0)
2111-
success=listLargeObjects(false);
2112-
elseif (strcmp(cmd+3,"list+")==0)
2113-
success=listLargeObjects(true);
2142+
elseif (strncmp(cmd+3,"list",4)==0)
2143+
{
2144+
boolshow_verbose;
2145+
unsigned shortintsave_expanded;
2146+
2147+
show_verbose=strchr(cmd,'+') ? true : false;
2148+
2149+
/* if 'x' option specified, force expanded mode */
2150+
save_expanded=pset.popt.topt.expanded;
2151+
if (strchr(cmd,'x'))
2152+
pset.popt.topt.expanded=1;
2153+
2154+
success=listLargeObjects(show_verbose);
2155+
2156+
/* restore original expanded mode */
2157+
pset.popt.topt.expanded=save_expanded;
2158+
}
21142159

21152160
elseif (strcmp(cmd+3,"unlink")==0)
21162161
{
@@ -3061,14 +3106,23 @@ exec_command_z(PsqlScanState scan_state, bool active_branch, const char *cmd)
30613106
{
30623107
char*pattern;
30633108
boolshow_system;
3109+
unsigned shortintsave_expanded;
30643110

30653111
pattern=psql_scan_slash_option(scan_state,
30663112
OT_NORMAL,NULL, true);
30673113

30683114
show_system=strchr(cmd,'S') ? true : false;
30693115

3116+
/* if 'x' option specified, force expanded mode */
3117+
save_expanded=pset.popt.topt.expanded;
3118+
if (strchr(cmd,'x'))
3119+
pset.popt.topt.expanded=1;
3120+
30703121
success=permissionsList(pattern,show_system);
30713122

3123+
/* restore original expanded mode */
3124+
pset.popt.topt.expanded=save_expanded;
3125+
30723126
free(pattern);
30733127
}
30743128
else

‎src/bin/psql/describe.c

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -309,9 +309,9 @@ describeFunctions(const char *functypes, const char *func_pattern,
309309
/* No "Parallel" column before 9.6 */
310310
staticconstbooltranslate_columns_pre_96[]= {false, false, false, false, true, true, false, true, true, false, false, false, false};
311311

312-
if (strlen(functypes)!=strspn(functypes,"anptwS+"))
312+
if (strlen(functypes)!=strspn(functypes,"anptwSx+"))
313313
{
314-
pg_log_error("\\df only takes [anptwS+] as options");
314+
pg_log_error("\\df only takes [anptwSx+] as options");
315315
return true;
316316
}
317317

‎src/bin/psql/help.c

Lines changed: 53 additions & 53 deletions
Original file line numberDiff line numberDiff line change
@@ -219,67 +219,67 @@ slashUsage(unsigned short int pager)
219219
HELP0("\n");
220220

221221
HELP0("Informational\n");
222-
HELP0(" (options: S = show system objects, + = additional detail)\n");
223-
HELP0(" \\d[S+] list tables, views, and sequences\n");
224-
HELP0(" \\d[S+]NAME describe table, view, sequence, or index\n");
225-
HELP0(" \\da[S] [PATTERN] list aggregates\n");
226-
HELP0(" \\dA[+] [PATTERN] list access methods\n");
227-
HELP0(" \\dAc[+] [AMPTRN [TYPEPTRN]] list operator classes\n");
228-
HELP0(" \\dAf[+] [AMPTRN [TYPEPTRN]] list operator families\n");
229-
HELP0(" \\dAo[+] [AMPTRN [OPFPTRN]] list operators of operator families\n");
230-
HELP0(" \\dAp[+] [AMPTRN [OPFPTRN]] list support functions of operator families\n");
231-
HELP0(" \\db[+] [PATTERN] list tablespaces\n");
232-
HELP0(" \\dc[S+] [PATTERN] list conversions\n");
233-
HELP0(" \\dconfig[+] [PATTERN] list configuration parameters\n");
234-
HELP0(" \\dC[+] [PATTERN] list casts\n");
235-
HELP0(" \\dd[S] [PATTERN] show object descriptions not displayed elsewhere\n");
236-
HELP0(" \\dD[S+] [PATTERN] list domains\n");
237-
HELP0(" \\ddp[PATTERN] list default privileges\n");
238-
HELP0(" \\dE[S+] [PATTERN] list foreign tables\n");
239-
HELP0(" \\des[+] [PATTERN] list foreign servers\n");
240-
HELP0(" \\det[+] [PATTERN] list foreign tables\n");
241-
HELP0(" \\deu[+] [PATTERN] list user mappings\n");
242-
HELP0(" \\dew[+] [PATTERN] list foreign-data wrappers\n");
243-
HELP0(" \\df[anptw][S+] [FUNCPTRN [TYPEPTRN ...]]\n"
222+
HELP0(" (options: S = show system objects,x = expanded mode,+ = additional detail)\n");
223+
HELP0(" \\d[Sx+] list tables, views, and sequences\n");
224+
HELP0(" \\d[S+] NAME describe table, view, sequence, or index\n");
225+
HELP0(" \\da[Sx] [PATTERN] list aggregates\n");
226+
HELP0(" \\dA[x+] [PATTERN] list access methods\n");
227+
HELP0(" \\dAc[x+] [AMPTRN [TYPEPTRN]] list operator classes\n");
228+
HELP0(" \\dAf[x+] [AMPTRN [TYPEPTRN]] list operator families\n");
229+
HELP0(" \\dAo[x+] [AMPTRN [OPFPTRN]] list operators of operator families\n");
230+
HELP0(" \\dAp[x+] [AMPTRN [OPFPTRN]] list support functions of operator families\n");
231+
HELP0(" \\db[x+] [PATTERN] list tablespaces\n");
232+
HELP0(" \\dc[Sx+] [PATTERN] list conversions\n");
233+
HELP0(" \\dconfig[x+] [PATTERN] list configuration parameters\n");
234+
HELP0(" \\dC[x+] [PATTERN] list casts\n");
235+
HELP0(" \\dd[Sx] [PATTERN] show object descriptions not displayed elsewhere\n");
236+
HELP0(" \\dD[Sx+] [PATTERN] list domains\n");
237+
HELP0(" \\ddp[x][PATTERN] list default privileges\n");
238+
HELP0(" \\dE[Sx+] [PATTERN] list foreign tables\n");
239+
HELP0(" \\des[x+] [PATTERN] list foreign servers\n");
240+
HELP0(" \\det[x+] [PATTERN] list foreign tables\n");
241+
HELP0(" \\deu[x+] [PATTERN] list user mappings\n");
242+
HELP0(" \\dew[x+] [PATTERN] list foreign-data wrappers\n");
243+
HELP0(" \\df[anptw][Sx+] [FUNCPTRN [TYPEPTRN ...]]\n"
244244
" list [only agg/normal/procedure/trigger/window] functions\n");
245-
HELP0(" \\dF[+] [PATTERN] list text search configurations\n");
246-
HELP0(" \\dFd[+] [PATTERN] list text search dictionaries\n");
247-
HELP0(" \\dFp[+] [PATTERN] list text search parsers\n");
248-
HELP0(" \\dFt[+] [PATTERN] list text search templates\n");
249-
HELP0(" \\dg[S+] [PATTERN] list roles\n");
250-
HELP0(" \\di[S+] [PATTERN] list indexes\n");
251-
HELP0(" \\dl[+] list large objects, same as \\lo_list\n");
252-
HELP0(" \\dL[S+] [PATTERN] list procedural languages\n");
253-
HELP0(" \\dm[S+] [PATTERN] list materialized views\n");
254-
HELP0(" \\dn[S+] [PATTERN] list schemas\n");
255-
HELP0(" \\do[S+] [OPPTRN [TYPEPTRN [TYPEPTRN]]]\n"
245+
HELP0(" \\dF[x+] [PATTERN] list text search configurations\n");
246+
HELP0(" \\dFd[x+] [PATTERN] list text search dictionaries\n");
247+
HELP0(" \\dFp[x+] [PATTERN] list text search parsers\n");
248+
HELP0(" \\dFt[x+] [PATTERN] list text search templates\n");
249+
HELP0(" \\dg[Sx+] [PATTERN] list roles\n");
250+
HELP0(" \\di[Sx+] [PATTERN] list indexes\n");
251+
HELP0(" \\dl[x+] list large objects, same as \\lo_list\n");
252+
HELP0(" \\dL[Sx+] [PATTERN] list procedural languages\n");
253+
HELP0(" \\dm[Sx+] [PATTERN] list materialized views\n");
254+
HELP0(" \\dn[Sx+] [PATTERN] list schemas\n");
255+
HELP0(" \\do[Sx+] [OPPTRN [TYPEPTRN [TYPEPTRN]]]\n"
256256
" list operators\n");
257-
HELP0(" \\dO[S+] [PATTERN] list collations\n");
258-
HELP0(" \\dp[S] [PATTERN] list table, view, and sequence access privileges\n");
259-
HELP0(" \\dP[itn+] [PATTERN] list [only index/table] partitioned relations [n=nested]\n");
260-
HELP0(" \\drds [ROLEPTRN [DBPTRN]] list per-database role settings\n");
261-
HELP0(" \\drg[S] [PATTERN] list role grants\n");
262-
HELP0(" \\dRp[+] [PATTERN] list replication publications\n");
263-
HELP0(" \\dRs[+] [PATTERN] list replication subscriptions\n");
264-
HELP0(" \\ds[S+] [PATTERN] list sequences\n");
265-
HELP0(" \\dt[S+] [PATTERN] list tables\n");
266-
HELP0(" \\dT[S+] [PATTERN] list data types\n");
267-
HELP0(" \\du[S+] [PATTERN] list roles\n");
268-
HELP0(" \\dv[S+] [PATTERN] list views\n");
269-
HELP0(" \\dx[+] [PATTERN] list extensions\n");
270-
HELP0(" \\dX[PATTERN] list extended statistics\n");
271-
HELP0(" \\dy[+] [PATTERN] list event triggers\n");
272-
HELP0(" \\l[+] [PATTERN] list databases\n");
273-
HELP0(" \\sf[+]FUNCNAME show a function's definition\n");
274-
HELP0(" \\sv[+]VIEWNAME show a view's definition\n");
275-
HELP0(" \\z[S] [PATTERN] same as \\dp\n");
257+
HELP0(" \\dO[Sx+] [PATTERN] list collations\n");
258+
HELP0(" \\dp[Sx] [PATTERN] list table, view, and sequence access privileges\n");
259+
HELP0(" \\dP[itnx+] [PATTERN] list [only index/table] partitioned relations [n=nested]\n");
260+
HELP0(" \\drds[x] [ROLEPTRN [DBPTRN]] list per-database role settings\n");
261+
HELP0(" \\drg[Sx] [PATTERN] list role grants\n");
262+
HELP0(" \\dRp[x+] [PATTERN] list replication publications\n");
263+
HELP0(" \\dRs[x+] [PATTERN] list replication subscriptions\n");
264+
HELP0(" \\ds[Sx+] [PATTERN] list sequences\n");
265+
HELP0(" \\dt[Sx+] [PATTERN] list tables\n");
266+
HELP0(" \\dT[Sx+] [PATTERN] list data types\n");
267+
HELP0(" \\du[Sx+] [PATTERN] list roles\n");
268+
HELP0(" \\dv[Sx+] [PATTERN] list views\n");
269+
HELP0(" \\dx[x+] [PATTERN] list extensions\n");
270+
HELP0(" \\dX[x] [PATTERN] list extended statistics\n");
271+
HELP0(" \\dy[x+] [PATTERN] list event triggers\n");
272+
HELP0(" \\l[x+] [PATTERN] list databases\n");
273+
HELP0(" \\sf[+] FUNCNAME show a function's definition\n");
274+
HELP0(" \\sv[+] VIEWNAME show a view's definition\n");
275+
HELP0(" \\z[Sx] [PATTERN] same as \\dp\n");
276276
HELP0("\n");
277277

278278
HELP0("Large Objects\n");
279279
HELP0(" \\lo_export LOBOID FILE write large object to file\n");
280280
HELP0(" \\lo_import FILE [COMMENT]\n"
281281
" read large object from file\n");
282-
HELP0(" \\lo_list[+] list large objects\n");
282+
HELP0(" \\lo_list[x+] list large objects\n");
283283
HELP0(" \\lo_unlink LOBOID delete a large object\n");
284284
HELP0("\n");
285285

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