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Save redundant code for pseudotype I/O functions

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Use a macro to generate the in and out functions for pseudotypes that
reject all input and output, saving many lines of redundant code.
Parameterize the error messages to reduce translatable strings.
This commit is contained in:
Peter Eisentraut 2016-10-27 12:00:00 -04:00
parent 7f1bcfb93d
commit a5954de105
1 changed files with 45 additions and 301 deletions
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346
src/backend/utils/adt/pseudotypes.c
View File

@ -83,34 +83,6 @@ cstring_send(PG_FUNCTION_ARGS)
PG_RETURN_BYTEA_P(pq_endtypsend(&buf));
}
/*
* any_in - input routine for pseudo-type ANY.
*/
Datum
any_in(PG_FUNCTION_ARGS)
{
ereport(ERROR,
(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
errmsg("cannot accept a value of type any")));
PG_RETURN_VOID(); /* keep compiler quiet */
}
/*
* any_out - output routine for pseudo-type ANY.
*/
Datum
any_out(PG_FUNCTION_ARGS)
{
ereport(ERROR,
(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
errmsg("cannot display a value of type any")));
PG_RETURN_VOID(); /* keep compiler quiet */
}
/*
* anyarray_in - input routine for pseudo-type ANYARRAY.
*/
@ -119,7 +91,7 @@ anyarray_in(PG_FUNCTION_ARGS)
{
ereport(ERROR,
(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
errmsg("cannot accept a value of type anyarray")));
errmsg("cannot accept a value of type %s", "anyarray")));
PG_RETURN_VOID(); /* keep compiler quiet */
}
@ -147,7 +119,7 @@ anyarray_recv(PG_FUNCTION_ARGS)
{
ereport(ERROR,
(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
errmsg("cannot accept a value of type anyarray")));
errmsg("cannot accept a value of type %s", "anyarray")));
PG_RETURN_VOID(); /* keep compiler quiet */
}
@ -172,7 +144,7 @@ anyenum_in(PG_FUNCTION_ARGS)
{
ereport(ERROR,
(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
errmsg("cannot accept a value of type anyenum")));
errmsg("cannot accept a value of type %s", "anyenum")));
PG_RETURN_VOID(); /* keep compiler quiet */
}
@ -196,7 +168,7 @@ anyrange_in(PG_FUNCTION_ARGS)
{
ereport(ERROR,
(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
errmsg("cannot accept a value of type anyrange")));
errmsg("cannot accept a value of type %s", "anyrange")));
PG_RETURN_VOID(); /* keep compiler quiet */
}
@ -264,275 +236,6 @@ void_send(PG_FUNCTION_ARGS)
PG_RETURN_BYTEA_P(pq_endtypsend(&buf));
}
/*
* trigger_in - input routine for pseudo-type TRIGGER.
*/
Datum
trigger_in(PG_FUNCTION_ARGS)
{
ereport(ERROR,
(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
errmsg("cannot accept a value of type trigger")));
PG_RETURN_VOID(); /* keep compiler quiet */
}
/*
* trigger_out - output routine for pseudo-type TRIGGER.
*/
Datum
trigger_out(PG_FUNCTION_ARGS)
{
ereport(ERROR,
(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
errmsg("cannot display a value of type trigger")));
PG_RETURN_VOID(); /* keep compiler quiet */
}
/*
* event_trigger_in - input routine for pseudo-type event_trigger.
*/
Datum
event_trigger_in(PG_FUNCTION_ARGS)
{
ereport(ERROR,
(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
errmsg("cannot accept a value of type event_trigger")));
PG_RETURN_VOID(); /* keep compiler quiet */
}
/*
* event_trigger_out - output routine for pseudo-type event_trigger.
*/
Datum
event_trigger_out(PG_FUNCTION_ARGS)
{
ereport(ERROR,
(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
errmsg("cannot display a value of type event_trigger")));
PG_RETURN_VOID(); /* keep compiler quiet */
}
/*
* language_handler_in - input routine for pseudo-type LANGUAGE_HANDLER.
*/
Datum
language_handler_in(PG_FUNCTION_ARGS)
{
ereport(ERROR,
(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
errmsg("cannot accept a value of type language_handler")));
PG_RETURN_VOID(); /* keep compiler quiet */
}
/*
* language_handler_out - output routine for pseudo-type LANGUAGE_HANDLER.
*/
Datum
language_handler_out(PG_FUNCTION_ARGS)
{
ereport(ERROR,
(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
errmsg("cannot display a value of type language_handler")));
PG_RETURN_VOID(); /* keep compiler quiet */
}
/*
* fdw_handler_in - input routine for pseudo-type FDW_HANDLER.
*/
Datum
fdw_handler_in(PG_FUNCTION_ARGS)
{
ereport(ERROR,
(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
errmsg("cannot accept a value of type fdw_handler")));
PG_RETURN_VOID(); /* keep compiler quiet */
}
/*
* fdw_handler_out - output routine for pseudo-type FDW_HANDLER.
*/
Datum
fdw_handler_out(PG_FUNCTION_ARGS)
{
ereport(ERROR,
(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
errmsg("cannot display a value of type fdw_handler")));
PG_RETURN_VOID(); /* keep compiler quiet */
}
/*
* index_am_handler_in - input routine for pseudo-type INDEX_AM_HANDLER.
*/
Datum
index_am_handler_in(PG_FUNCTION_ARGS)
{
ereport(ERROR,
(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
errmsg("cannot accept a value of type index_am_handler")));
PG_RETURN_VOID(); /* keep compiler quiet */
}
/*
* index_am_handler_out - output routine for pseudo-type INDEX_AM_HANDLER.
*/
Datum
index_am_handler_out(PG_FUNCTION_ARGS)
{
ereport(ERROR,
(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
errmsg("cannot display a value of type index_am_handler")));
PG_RETURN_VOID(); /* keep compiler quiet */
}
/*
* tsm_handler_in - input routine for pseudo-type TSM_HANDLER.
*/
Datum
tsm_handler_in(PG_FUNCTION_ARGS)
{
ereport(ERROR,
(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
errmsg("cannot accept a value of type tsm_handler")));
PG_RETURN_VOID(); /* keep compiler quiet */
}
/*
* tsm_handler_out - output routine for pseudo-type TSM_HANDLER.
*/
Datum
tsm_handler_out(PG_FUNCTION_ARGS)
{
ereport(ERROR,
(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
errmsg("cannot display a value of type tsm_handler")));
PG_RETURN_VOID(); /* keep compiler quiet */
}
/*
* internal_in - input routine for pseudo-type INTERNAL.
*/
Datum
internal_in(PG_FUNCTION_ARGS)
{
ereport(ERROR,
(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
errmsg("cannot accept a value of type internal")));
PG_RETURN_VOID(); /* keep compiler quiet */
}
/*
* internal_out - output routine for pseudo-type INTERNAL.
*/
Datum
internal_out(PG_FUNCTION_ARGS)
{
ereport(ERROR,
(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
errmsg("cannot display a value of type internal")));
PG_RETURN_VOID(); /* keep compiler quiet */
}
/*
* opaque_in - input routine for pseudo-type OPAQUE.
*/
Datum
opaque_in(PG_FUNCTION_ARGS)
{
ereport(ERROR,
(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
errmsg("cannot accept a value of type opaque")));
PG_RETURN_VOID(); /* keep compiler quiet */
}
/*
* opaque_out - output routine for pseudo-type OPAQUE.
*/
Datum
opaque_out(PG_FUNCTION_ARGS)
{
ereport(ERROR,
(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
errmsg("cannot display a value of type opaque")));
PG_RETURN_VOID(); /* keep compiler quiet */
}
/*
* anyelement_in - input routine for pseudo-type ANYELEMENT.
*/
Datum
anyelement_in(PG_FUNCTION_ARGS)
{
ereport(ERROR,
(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
errmsg("cannot accept a value of type anyelement")));
PG_RETURN_VOID(); /* keep compiler quiet */
}
/*
* anyelement_out - output routine for pseudo-type ANYELEMENT.
*/
Datum
anyelement_out(PG_FUNCTION_ARGS)
{
ereport(ERROR,
(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
errmsg("cannot display a value of type anyelement")));
PG_RETURN_VOID(); /* keep compiler quiet */
}
/*
* anynonarray_in - input routine for pseudo-type ANYNONARRAY.
*/
Datum
anynonarray_in(PG_FUNCTION_ARGS)
{
ereport(ERROR,
(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
errmsg("cannot accept a value of type anynonarray")));
PG_RETURN_VOID(); /* keep compiler quiet */
}
/*
* anynonarray_out - output routine for pseudo-type ANYNONARRAY.
*/
Datum
anynonarray_out(PG_FUNCTION_ARGS)
{
ereport(ERROR,
(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
errmsg("cannot display a value of type anynonarray")));
PG_RETURN_VOID(); /* keep compiler quiet */
}
/*
* shell_in - input routine for "shell" types (those not yet filled in).
*/
@ -674,3 +377,44 @@ pg_ddl_command_send(PG_FUNCTION_ARGS)
PG_RETURN_VOID();
}
/*
* Generate input and output functions for a pseudotype that will reject all
* input and output attempts.
*/
#define PSEUDOTYPE_DUMMY_IO_FUNCS(typname) \
\
Datum \
typname##_in(PG_FUNCTION_ARGS) \
{ \
ereport(ERROR, \
(errcode(ERRCODE_FEATURE_NOT_SUPPORTED), \
errmsg("cannot accept a value of type %s", #typname))); \
\
PG_RETURN_VOID(); /* keep compiler quiet */ \
} \
\
Datum \
typname##_out(PG_FUNCTION_ARGS) \
{ \
ereport(ERROR, \
(errcode(ERRCODE_FEATURE_NOT_SUPPORTED), \
errmsg("cannot display a value of type %s", #typname))); \
\
PG_RETURN_VOID(); /* keep compiler quiet */ \
} \
\
extern int no_such_variable
PSEUDOTYPE_DUMMY_IO_FUNCS(any);
PSEUDOTYPE_DUMMY_IO_FUNCS(trigger);
PSEUDOTYPE_DUMMY_IO_FUNCS(event_trigger);
PSEUDOTYPE_DUMMY_IO_FUNCS(language_handler);
PSEUDOTYPE_DUMMY_IO_FUNCS(fdw_handler);
PSEUDOTYPE_DUMMY_IO_FUNCS(index_am_handler);
PSEUDOTYPE_DUMMY_IO_FUNCS(tsm_handler);
PSEUDOTYPE_DUMMY_IO_FUNCS(internal);
PSEUDOTYPE_DUMMY_IO_FUNCS(opaque);
PSEUDOTYPE_DUMMY_IO_FUNCS(anyelement);
PSEUDOTYPE_DUMMY_IO_FUNCS(anynonarray);