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Add tab-completion for CREATE UNLOGGED TABLE in psql,

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and fix unexpected completion for DROP TEMP and UNIQUE.
This commit is contained in:
Itagaki Takahiro 2011-02-24 10:13:27 +09:00
parent 2c72d7042b
commit 4191e16cbe
1 changed files with 35 additions and 51 deletions
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86
src/bin/psql/tab-complete.c
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@ -598,10 +598,13 @@ typedef struct
const char *name;
const char *query; /* simple query, or NULL */
const SchemaQuery *squery; /* schema query, or NULL */
const bool noshow; /* NULL or true if this word should not show
* up after CREATE or DROP */
const bits32 flags; /* visibility flags, see below */
} pgsql_thing_t;
#define THING_NO_CREATE (1 << 0) /* should not show up after CREATE */
#define THING_NO_DROP (1 << 1) /* should not show up after DROP */
#define THING_NO_SHOW (THING_NO_CREATE | THING_NO_DROP)
static const pgsql_thing_t words_after_create[] = {
{"AGGREGATE", NULL, &Query_for_list_of_aggregates},
{"CAST", NULL, NULL}, /* Casts have complex structures for names, so
@ -612,10 +615,10 @@ static const pgsql_thing_t words_after_create[] = {
* CREATE CONSTRAINT TRIGGER is not supported here because it is designed
* to be used only by pg_dump.
*/
{"CONFIGURATION", Query_for_list_of_ts_configurations, NULL, true},
{"CONFIGURATION", Query_for_list_of_ts_configurations, NULL, THING_NO_SHOW},
{"CONVERSION", "SELECT pg_catalog.quote_ident(conname) FROM pg_catalog.pg_conversion WHERE substring(pg_catalog.quote_ident(conname),1,%d)='%s'"},
{"DATABASE", Query_for_list_of_databases},
{"DICTIONARY", Query_for_list_of_ts_dictionaries, NULL, true},
{"DICTIONARY", Query_for_list_of_ts_dictionaries, NULL, THING_NO_SHOW},
{"DOMAIN", NULL, &Query_for_list_of_domains},
{"EXTENSION", Query_for_list_of_extensions},
{"FOREIGN DATA WRAPPER", NULL, NULL},
@ -626,7 +629,8 @@ static const pgsql_thing_t words_after_create[] = {
{"INDEX", NULL, &Query_for_list_of_indexes},
{"OPERATOR", NULL, NULL}, /* Querying for this is probably not such a
* good idea. */
{"PARSER", Query_for_list_of_ts_parsers, NULL, true},
{"OWNED", NULL, NULL, THING_NO_CREATE}, /* for DROP OWNED BY ... */
{"PARSER", Query_for_list_of_ts_parsers, NULL, THING_NO_SHOW},
{"ROLE", Query_for_list_of_roles},
{"RULE", "SELECT pg_catalog.quote_ident(rulename) FROM pg_catalog.pg_rules WHERE substring(pg_catalog.quote_ident(rulename),1,%d)='%s'"},
{"SCHEMA", Query_for_list_of_schemas},
@ -634,16 +638,17 @@ static const pgsql_thing_t words_after_create[] = {
{"SERVER", Query_for_list_of_servers},
{"TABLE", NULL, &Query_for_list_of_tables},
{"TABLESPACE", Query_for_list_of_tablespaces},
{"TEMP", NULL, NULL}, /* for CREATE TEMP TABLE ... */
{"TEMPLATE", Query_for_list_of_ts_templates, NULL, true},
{"TEMP", NULL, NULL, THING_NO_DROP}, /* for CREATE TEMP TABLE ... */
{"TEMPLATE", Query_for_list_of_ts_templates, NULL, THING_NO_SHOW},
{"TEXT SEARCH", NULL, NULL},
{"TRIGGER", "SELECT pg_catalog.quote_ident(tgname) FROM pg_catalog.pg_trigger WHERE substring(pg_catalog.quote_ident(tgname),1,%d)='%s'"},
{"TYPE", NULL, &Query_for_list_of_datatypes},
{"UNIQUE", NULL, NULL}, /* for CREATE UNIQUE INDEX ... */
{"UNIQUE", NULL, NULL, THING_NO_DROP}, /* for CREATE UNIQUE INDEX ... */
{"UNLOGGED", NULL, NULL, THING_NO_DROP},/* for CREATE UNLOGGED TABLE ... */
{"USER", Query_for_list_of_roles},
{"USER MAPPING FOR", NULL, NULL},
{"VIEW", NULL, &Query_for_list_of_views},
{NULL, NULL, NULL, false} /* end of list */
{NULL} /* end of list */
};
@ -1771,6 +1776,12 @@ psql_completion(char *text, int start, int end)
COMPLETE_WITH_LIST(list_TEMP);
}
/* Complete "CREATE UNLOGGED" with TABLE */
else if (pg_strcasecmp(prev2_wd, "CREATE") == 0 &&
pg_strcasecmp(prev_wd, "UNLOGGED") == 0)
{
COMPLETE_WITH_CONST("TABLE");
}
/* CREATE TABLESPACE */
else if (pg_strcasecmp(prev3_wd, "CREATE") == 0 &&
@ -2858,11 +2869,11 @@ psql_completion(char *text, int start, int end)
*/
/*
* This one gives you one from a list of things you can put after CREATE
* as defined above.
* Common routine for create_command_generator and drop_command_generator.
* Entries that have 'excluded' flags are not returned.
*/
static char *
create_command_generator(const char *text, int state)
create_or_drop_command_generator(const char *text, int state, bits32 excluded)
{
static int list_index,
string_length;
@ -2879,57 +2890,30 @@ create_command_generator(const char *text, int state)
while ((name = words_after_create[list_index++].name))
{
if ((pg_strncasecmp(name, text, string_length) == 0) &&
!words_after_create[list_index - 1].noshow)
!(words_after_create[list_index - 1].flags & excluded))
return pg_strdup(name);
}
/* if nothing matches, return NULL */
return NULL;
}
/*
* This one gives you one from a list of things you can put after CREATE
* as defined above.
*/
static char *
create_command_generator(const char *text, int state)
{
return create_or_drop_command_generator(text, state, THING_NO_CREATE);
}
/*
* This function gives you a list of things you can put after a DROP command.
* Very similar to create_command_generator, but has an additional entry for
* OWNED BY. (We do it this way in order not to duplicate the
* words_after_create list.)
*/
static char *
drop_command_generator(const char *text, int state)
{
static int list_index,
string_length;
const char *name;
if (state == 0)
{
/* If this is the first time for this completion, init some values */
list_index = 0;
string_length = strlen(text);
/*
* DROP can be followed by "OWNED BY", which is not found in the list
* for CREATE matches, so make it the first state. (We do not make it
* the last state because it would be more difficult to detect when we
* have to return NULL instead.)
*
* Make sure we advance to the next state.
*/
list_index++;
if (pg_strncasecmp("OWNED", text, string_length) == 0)
return pg_strdup("OWNED");
}
/*
* In subsequent attempts, try to complete with the same items we use for
* CREATE
*/
while ((name = words_after_create[list_index++ - 1].name))
{
if ((pg_strncasecmp(name, text, string_length) == 0) && (!words_after_create[list_index - 2].noshow))
return pg_strdup(name);
}
/* if nothing matches, return NULL */
return NULL;
return create_or_drop_command_generator(text, state, THING_NO_DROP);
}
/* The following two functions are wrappers for _complete_from_query */