* A pseudo-type isn't really a type and never has any operations, but
* we do need to supply input and output functions to satisfy the links
* in the pseudo-type's entry in pg_type. In most cases the functions
- * just throw an error if invoked. (XXX the error messages here cover
+ * just throw an error if invoked. (XXX the error messages here cover
* the most common case, but might be confusing in some contexts. Can
* we do better?)
*
*
- * Portions Copyright (c) 1996-2011, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1996-2017, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
*
#include "libpq/pqformat.h"
#include "utils/array.h"
#include "utils/builtins.h"
+#include "utils/rangetypes.h"
/*
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.
*/
{
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 */
}
* anyarray_recv - binary input routine for pseudo-type ANYARRAY.
*
* XXX this could actually be made to work, since the incoming array
- * data will contain the element type OID. Need to think through
+ * data will contain the element type OID. Need to think through
* type-safety issues before allowing it, however.
*/
Datum
{
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 */
}
{
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 */
}
return enum_out(fcinfo);
}
+/*
+ * anyrange_in - input routine for pseudo-type ANYRANGE.
+ */
+Datum
+anyrange_in(PG_FUNCTION_ARGS)
+{
+ ereport(ERROR,
+ (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
+ errmsg("cannot accept a value of type %s", "anyrange")));
+
+ PG_RETURN_VOID(); /* keep compiler quiet */
+}
+
+/*
+ * anyrange_out - output routine for pseudo-type ANYRANGE.
+ *
+ * We may as well allow this, since range_out will in fact work.
+ */
+Datum
+anyrange_out(PG_FUNCTION_ARGS)
+{
+ return range_out(fcinfo);
+}
/*
* void_in - input routine for pseudo-type VOID.
*
* We allow this so that PL functions can return VOID without any special
- * hack in the PL handler. Whatever value the PL thinks it's returning
+ * hack in the PL handler. Whatever value the PL thinks it's returning
* will just be ignored.
*/
Datum
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 */
-}
-
-
-/*
- * 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 */
-}
-
-
/*
- * internal_in - input routine for pseudo-type INTERNAL.
+ * shell_in - input routine for "shell" types (those not yet filled in).
*/
Datum
-internal_in(PG_FUNCTION_ARGS)
+shell_in(PG_FUNCTION_ARGS)
{
ereport(ERROR,
(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
- errmsg("cannot accept a value of type internal")));
+ errmsg("cannot accept a value of a shell type")));
PG_RETURN_VOID(); /* keep compiler quiet */
}
/*
- * internal_out - output routine for pseudo-type INTERNAL.
+ * shell_out - output routine for "shell" types.
*/
Datum
-internal_out(PG_FUNCTION_ARGS)
+shell_out(PG_FUNCTION_ARGS)
{
ereport(ERROR,
(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
- errmsg("cannot display a value of type internal")));
+ errmsg("cannot display a value of a shell type")));
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.
+ * pg_node_tree_in - input routine for type PG_NODE_TREE.
+ *
+ * pg_node_tree isn't really a pseudotype --- it's real enough to be a table
+ * column --- but it presently has no operations of its own, and disallows
+ * input too, so its I/O functions seem to fit here as much as anywhere.
*/
Datum
-opaque_out(PG_FUNCTION_ARGS)
+pg_node_tree_in(PG_FUNCTION_ARGS)
{
+ /*
+ * We disallow input of pg_node_tree values because the SQL functions that
+ * operate on the type are not secure against malformed input.
+ */
ereport(ERROR,
(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
- errmsg("cannot display a value of type opaque")));
+ errmsg("cannot accept a value of type %s", "pg_node_tree")));
PG_RETURN_VOID(); /* keep compiler quiet */
}
/*
- * anyelement_in - input routine for pseudo-type ANYELEMENT.
+ * pg_node_tree_out - output routine for type PG_NODE_TREE.
+ *
+ * The internal representation is the same as TEXT, so just pass it off.
*/
Datum
-anyelement_in(PG_FUNCTION_ARGS)
+pg_node_tree_out(PG_FUNCTION_ARGS)
{
- ereport(ERROR,
- (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
- errmsg("cannot accept a value of type anyelement")));
-
- PG_RETURN_VOID(); /* keep compiler quiet */
+ return textout(fcinfo);
}
/*
- * anyelement_out - output routine for pseudo-type ANYELEMENT.
+ * pg_node_tree_recv - binary input routine for type PG_NODE_TREE.
*/
Datum
-anyelement_out(PG_FUNCTION_ARGS)
+pg_node_tree_recv(PG_FUNCTION_ARGS)
{
ereport(ERROR,
(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
- errmsg("cannot display a value of type anyelement")));
+ errmsg("cannot accept a value of type %s", "pg_node_tree")));
PG_RETURN_VOID(); /* keep compiler quiet */
}
/*
- * anynonarray_in - input routine for pseudo-type ANYNONARRAY.
+ * pg_node_tree_send - binary output routine for type PG_NODE_TREE.
*/
Datum
-anynonarray_in(PG_FUNCTION_ARGS)
+pg_node_tree_send(PG_FUNCTION_ARGS)
{
- ereport(ERROR,
- (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
- errmsg("cannot accept a value of type anynonarray")));
-
- PG_RETURN_VOID(); /* keep compiler quiet */
+ return textsend(fcinfo);
}
/*
- * anynonarray_out - output routine for pseudo-type ANYNONARRAY.
+ * pg_ddl_command_in - input routine for type PG_DDL_COMMAND.
+ *
+ * Like pg_node_tree, pg_ddl_command isn't really a pseudotype; it's here for
+ * the same reasons as that one.
*/
Datum
-anynonarray_out(PG_FUNCTION_ARGS)
+pg_ddl_command_in(PG_FUNCTION_ARGS)
{
+ /*
+ * Disallow input of pg_ddl_command value.
+ */
ereport(ERROR,
(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
- errmsg("cannot display a value of type anynonarray")));
+ errmsg("cannot accept a value of type %s", "pg_ddl_command")));
PG_RETURN_VOID(); /* keep compiler quiet */
}
/*
- * shell_in - input routine for "shell" types (those not yet filled in).
+ * pg_ddl_command_out - output routine for type PG_DDL_COMMAND.
+ *
+ * We don't have any good way to output this type directly, so punt.
*/
Datum
-shell_in(PG_FUNCTION_ARGS)
+pg_ddl_command_out(PG_FUNCTION_ARGS)
{
ereport(ERROR,
(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
- errmsg("cannot accept a value of a shell type")));
+ errmsg("cannot output a value of type %s", "pg_ddl_command")));
- PG_RETURN_VOID(); /* keep compiler quiet */
+ PG_RETURN_VOID();
}
/*
- * shell_out - output routine for "shell" types.
+ * pg_ddl_command_recv - binary input routine for type PG_DDL_COMMAND.
*/
Datum
-shell_out(PG_FUNCTION_ARGS)
+pg_ddl_command_recv(PG_FUNCTION_ARGS)
{
ereport(ERROR,
(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
- errmsg("cannot display a value of a shell type")));
+ errmsg("cannot accept a value of type %s", "pg_ddl_command")));
- PG_RETURN_VOID(); /* keep compiler quiet */
+ PG_RETURN_VOID();
}
-
/*
- * pg_node_tree_in - input routine for type PG_NODE_TREE.
- *
- * pg_node_tree isn't really a pseudotype --- it's real enough to be a table
- * column --- but it presently has no operations of its own, and disallows
- * input too, so its I/O functions seem to fit here as much as anywhere.
+ * pg_ddl_command_send - binary output routine for type PG_DDL_COMMAND.
*/
Datum
-pg_node_tree_in(PG_FUNCTION_ARGS)
+pg_ddl_command_send(PG_FUNCTION_ARGS)
{
- /*
- * We disallow input of pg_node_tree values because the SQL functions that
- * operate on the type are not secure against malformed input.
- */
ereport(ERROR,
(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
- errmsg("cannot accept a value of type pg_node_tree")));
+ errmsg("cannot output a value of type %s", "pg_ddl_command")));
- PG_RETURN_VOID(); /* keep compiler quiet */
-}
-
-/*
- * pg_node_tree_out - output routine for type PG_NODE_TREE.
- *
- * The internal representation is the same as TEXT, so just pass it off.
- */
-Datum
-pg_node_tree_out(PG_FUNCTION_ARGS)
-{
- return textout(fcinfo);
+ PG_RETURN_VOID();
}
-/*
- * pg_node_tree_recv - binary input routine for type PG_NODE_TREE.
- */
-Datum
-pg_node_tree_recv(PG_FUNCTION_ARGS)
-{
- ereport(ERROR,
- (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
- errmsg("cannot accept a value of type pg_node_tree")));
-
- PG_RETURN_VOID(); /* keep compiler quiet */
-}
/*
- * pg_node_tree_send - binary output routine for type PG_NODE_TREE.
- */
-Datum
-pg_node_tree_send(PG_FUNCTION_ARGS)
-{
- return textsend(fcinfo);
-}
+ * 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);
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