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Some improvements for the tab-completion of psql. This should

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address all of the items in the todo list and adds some new
things as well. Specifically:

* Add support for ALTER SEQUENCE ...
* Add "RENAME TO" for ALTER TRIGGER xx ON yy
* Pick proper table for ALTER TRIGGER xx ON ...
* Support for ALTER USER xxx ...
* Fix ALTER GROUP xxx DROP ...
* Fix ALTER DOMAIN xxx DROP ...
* Remove "OWNER TO" from ALTER DOMAIN xx DROP ...
* Fix ALTER DOMAIN xx SET DEFAULT ..
* Prevent ALTER INDEX xxx SET TABLESPACE from using "TO"
* Support for ALTER LANGUAGE xxx (RENAME TO)
* More support for ALTER TABLE xxx ALTER COLUMN xxx ...
* More support for COPY

Greg Sabino Mullane
This commit is contained in:
Neil Conway 2004-09-22 04:25:16 +00:00
parent a3c53c834f
commit a94edb4c7b
1 changed files with 125 additions and 15 deletions
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140
src/bin/psql/tab-complete.c
View File

@ -3,7 +3,7 @@
*
* Copyright (c) 2000-2004, PostgreSQL Global Development Group
*
* $PostgreSQL: pgsql/src/bin/psql/tab-complete.c,v 1.115 2004/09/01 00:10:01 momjian Exp $
* $PostgreSQL: pgsql/src/bin/psql/tab-complete.c,v 1.116 2004/09/22 04:25:16 neilc Exp $
*/
/*----------------------------------------------------------------------
@ -386,6 +386,15 @@ static const SchemaQuery Query_for_list_of_views = {
" and pg_catalog.quote_ident(c1.relname)='%s'"\
" and pg_catalog.pg_table_is_visible(c2.oid)"
/* the silly-looking length condition is just to eat up the current word */
#define Query_for_list_of_tables_for_trigger \
"SELECT pg_catalog.quote_ident(relname) "\
" FROM pg_catalog.pg_class"\
" WHERE (%d = length('%s'))"\
" AND oid IN "\
" (SELECT tgrelid FROM pg_catalog.pg_trigger "\
" WHERE pg_catalog.quote_ident(tgname)='%s')"
/*
* This is a list of all "things" in Pgsql, which can show up after CREATE or
* DROP; and there is also a query to get a list of them.
@ -637,11 +646,13 @@ psql_completion(char *text, int start, int end)
else if (!prev_wd)
COMPLETE_WITH_LIST(sql_commands);
/* CREATE or DROP but not ALTER TABLE sth DROP */
/* CREATE or DROP but not ALTER (TABLE|DOMAIN|GROUP) sth DROP */
/* complete with something you can create or drop */
else if (pg_strcasecmp(prev_wd, "CREATE") == 0 ||
(pg_strcasecmp(prev_wd, "DROP") == 0 &&
pg_strcasecmp(prev3_wd, "TABLE") != 0))
pg_strcasecmp(prev3_wd, "TABLE") != 0 &&
pg_strcasecmp(prev3_wd, "DOMAIN") != 0 &&
pg_strcasecmp(prev3_wd, "GROUP") != 0))
matches = completion_matches(text, create_command_generator);
/* ALTER */
@ -694,6 +705,22 @@ psql_completion(char *text, int start, int end)
COMPLETE_WITH_LIST(list_ALTERINDEX);
}
/* ALTER LANGUAGE <name> */
else if (pg_strcasecmp(prev3_wd, "ALTER") == 0 &&
pg_strcasecmp(prev2_wd, "LANGUAGE") == 0)
COMPLETE_WITH_CONST("RENAME TO");
/* ALTER USER <name> */
else if (pg_strcasecmp(prev3_wd, "ALTER") == 0 &&
pg_strcasecmp(prev2_wd, "USER") == 0)
{
static const char *const list_ALTERUSER[] =
{"ENCRYPTED", "UNENCRYPTED", "CREATEDB", "NOCREATEDB", "CREATEUSER",
"NOCREATEUSER", "VALID UNTIL", "RENAME TO", "SET", "RESET", NULL};
COMPLETE_WITH_LIST(list_ALTERUSER);
}
/* ALTER DOMAIN <name> */
else if (pg_strcasecmp(prev3_wd, "ALTER") == 0 &&
pg_strcasecmp(prev2_wd, "DOMAIN") == 0)
@ -709,7 +736,7 @@ psql_completion(char *text, int start, int end)
pg_strcasecmp(prev_wd, "DROP") == 0)
{
static const char *const list_ALTERDOMAIN2[] =
{"CONSTRAINT", "DEFAULT", "NOT NULL", "OWNER TO", NULL};
{"CONSTRAINT", "DEFAULT", "NOT NULL", NULL};
COMPLETE_WITH_LIST(list_ALTERDOMAIN2);
}
@ -723,11 +750,36 @@ psql_completion(char *text, int start, int end)
COMPLETE_WITH_LIST(list_ALTERDOMAIN3);
}
/* ALTER SEQUENCE <name> */
else if (pg_strcasecmp(prev3_wd, "ALTER") == 0 &&
pg_strcasecmp(prev2_wd, "SEQUENCE") == 0)
{
static const char *const list_ALTERSCHEMA[] =
{"INCREMENT", "MINVALUE", "MAXVALUE", "RESTART", "NO", "CACHE", "CYCLE", NULL};
COMPLETE_WITH_LIST(list_ALTERSCHEMA);
}
/* ALTER SEQUENCE <name> NO */
else if (pg_strcasecmp(prev4_wd, "ALTER") == 0 &&
pg_strcasecmp(prev3_wd, "SEQUENCE") == 0 &&
pg_strcasecmp(prev_wd, "NO") == 0)
{
static const char *const list_ALTERSCHEMA2[] =
{"MINVALUE", "MAXVALUE", "CYCLE", NULL};
COMPLETE_WITH_LIST(list_ALTERSCHEMA2);
}
/* ALTER TRIGGER <name>, add ON */
else if (pg_strcasecmp(prev3_wd, "ALTER") == 0 &&
pg_strcasecmp(prev2_wd, "TRIGGER") == 0 &&
pg_strcasecmp(prev_wd, "ON") != 0)
pg_strcasecmp(prev2_wd, "TRIGGER") == 0)
COMPLETE_WITH_CONST("ON");
else if (pg_strcasecmp(prev4_wd, "ALTER") == 0 &&
pg_strcasecmp(prev3_wd, "TRIGGER") == 0)
{
completion_info_charp = prev2_wd;
COMPLETE_WITH_QUERY(Query_for_list_of_tables_for_trigger);
}
/*
* If we have ALTER TRIGGER <sth> ON, then add the correct tablename
@ -737,6 +789,11 @@ psql_completion(char *text, int start, int end)
pg_strcasecmp(prev_wd, "ON") == 0)
COMPLETE_WITH_SCHEMA_QUERY(Query_for_list_of_tables, NULL);
/* ALTER TRIGGER <name> ON <name> */
else if (pg_strcasecmp(prev4_wd, "TRIGGER") == 0 &&
pg_strcasecmp(prev2_wd, "ON") == 0)
COMPLETE_WITH_CONST("RENAME TO");
/*
* If we detect ALTER TABLE <name>, suggest either ADD, DROP, ALTER,
* RENAME, CLUSTER ON or OWNER
@ -756,6 +813,11 @@ psql_completion(char *text, int start, int end)
pg_strcasecmp(prev_wd, "RENAME") == 0))
COMPLETE_WITH_ATTR(prev2_wd);
/* ALTER TABLE xxx RENAME yyy */
else if (pg_strcasecmp(prev4_wd, "TABLE") == 0 &&
pg_strcasecmp(prev2_wd, "RENAME") == 0)
COMPLETE_WITH_CONST("TO");
/* If we have TABLE <sth> DROP, provide COLUMN or CONSTRAINT */
else if (pg_strcasecmp(prev3_wd, "TABLE") == 0 &&
pg_strcasecmp(prev_wd, "DROP") == 0)
@ -770,6 +832,19 @@ psql_completion(char *text, int start, int end)
pg_strcasecmp(prev2_wd, "DROP") == 0 &&
pg_strcasecmp(prev_wd, "COLUMN") == 0)
COMPLETE_WITH_ATTR(prev3_wd);
/* ALTER TABLE ALTER [COLUMN] <foo> */
else if ((pg_strcasecmp(prev3_wd, "ALTER") == 0 &&
pg_strcasecmp(prev2_wd, "COLUMN") == 0) ||
(pg_strcasecmp(prev4_wd, "TABLE") == 0 &&
pg_strcasecmp(prev2_wd, "ALTER") == 0))
{
/* DROP ... does not work well yet */
static const char *const list_COLUMNALTER[] =
{"TYPE", "SET DEFAULT", "DROP DEFAULT", "SET NOT NULL",
"DROP NOT NULL", "SET STATISTICS", "SET STORAGE", NULL};
COMPLETE_WITH_LIST(list_COLUMNALTER);
}
else if (pg_strcasecmp(prev3_wd, "TABLE") == 0 &&
pg_strcasecmp(prev_wd, "CLUSTER") == 0)
COMPLETE_WITH_CONST("ON");
@ -817,12 +892,12 @@ psql_completion(char *text, int start, int end)
else if (pg_strcasecmp(prev3_wd, "ALTER") == 0 &&
pg_strcasecmp(prev2_wd, "TYPE") == 0)
COMPLETE_WITH_CONST("OWNER TO");
/* complete ALTER GROUP <foo> with ADD or DROP */
/* complete ALTER GROUP <foo> */
else if (pg_strcasecmp(prev3_wd, "ALTER") == 0 &&
pg_strcasecmp(prev2_wd, "GROUP") == 0)
{
static const char *const list_ALTERGROUP[] =
{"ADD", "DROP", NULL};
{"ADD USER", "DROP USER", "RENAME TO", NULL};
COMPLETE_WITH_LIST(list_ALTERGROUP);
}
@ -926,12 +1001,43 @@ psql_completion(char *text, int start, int end)
else if (pg_strcasecmp(prev2_wd, "COPY") == 0 ||
pg_strcasecmp(prev2_wd, "\\copy") == 0 ||
pg_strcasecmp(prev2_wd, "BINARY") == 0)
{
static const char *const list_FROMTO[] =
{"FROM", "TO", NULL};
{
static const char *const list_FROMTO[] =
{"FROM", "TO", NULL};
COMPLETE_WITH_LIST(list_FROMTO);
}
/* If we have COPY|BINARY <sth> FROM|TO, complete with filename */
else if ((pg_strcasecmp(prev3_wd, "COPY") == 0 ||
pg_strcasecmp(prev3_wd, "\\copy") == 0 ||
pg_strcasecmp(prev3_wd, "BINARY") == 0) &&
(pg_strcasecmp(prev_wd, "FROM") == 0 ||
pg_strcasecmp(prev_wd, "TO") == 0))
matches = completion_matches(text, filename_completion_function);
COMPLETE_WITH_LIST(list_FROMTO);
}
/* Handle COPY|BINARY <sth> FROM|TO filename */
else if ((pg_strcasecmp(prev4_wd, "COPY") == 0 ||
pg_strcasecmp(prev4_wd, "\\copy") == 0 ||
pg_strcasecmp(prev4_wd, "BINARY") == 0) &&
(pg_strcasecmp(prev2_wd, "FROM") == 0 ||
pg_strcasecmp(prev2_wd, "TO") == 0))
{
static const char *const list_COPY[] =
{"BINARY", "OIDS", "DELIMETER", "NULL", "CSV", NULL};
COMPLETE_WITH_LIST(list_COPY);
}
/* Handle COPY|BINARY <sth> FROM|TO filename CSV */
else if (pg_strcasecmp(prev_wd, "CSV") == 0 &&
(pg_strcasecmp(prev3_wd, "FROM") == 0 ||
pg_strcasecmp(prev3_wd, "TO") == 0))
{
static const char *const list_CSV[] =
{"QUOTE", "ESCAPE", "FORCE QUOTE", NULL};
COMPLETE_WITH_LIST(list_CSV);
}
/* CREATE INDEX */
/* First off we complete CREATE UNIQUE with "INDEX" */
@ -1353,7 +1459,9 @@ psql_completion(char *text, int start, int end)
COMPLETE_WITH_QUERY(Query_for_list_of_users);
/* Complete SET <var> with "TO" */
else if (pg_strcasecmp(prev2_wd, "SET") == 0 &&
pg_strcasecmp(prev4_wd, "UPDATE") != 0)
pg_strcasecmp(prev4_wd, "UPDATE") != 0 &&
pg_strcasecmp(prev_wd, "TABLESPACE") != 0 &&
pg_strcasecmp(prev4_wd, "DOMAIN") != 0)
COMPLETE_WITH_CONST("TO");
/* Suggest possible variable values */
else if (pg_strcasecmp(prev3_wd, "SET") == 0 &&
@ -1432,7 +1540,9 @@ psql_completion(char *text, int start, int end)
/* ... FROM ... */
/* TODO: also include SRF ? */
else if (pg_strcasecmp(prev_wd, "FROM") == 0)
else if (pg_strcasecmp(prev_wd, "FROM") == 0 &&
pg_strcasecmp(prev3_wd, "COPY") != 0 &&
pg_strcasecmp(prev3_wd, "\\copy") != 0)
COMPLETE_WITH_SCHEMA_QUERY(Query_for_list_of_tsv, NULL);