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Code review for commit d26888bc4d.

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Mostly, copy-edit the comments; but also fix it to not reject domains over
arrays.
This commit is contained in:
Tom Lane 2014-04-03 16:57:45 -04:00
parent 42c6236f37
commit 741364bf5c
2 changed files with 23 additions and 23 deletions
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16
src/backend/parser/parse_func.c
View File

@ -559,7 +559,7 @@ ParseFuncOrColumn(ParseState *pstate, List *funcname, List *fargs,
* If it's a variadic function call, transform the last nvargs arguments
* into an array --- unless it's an "any" variadic.
*/
if (nvargs > 0 && declared_arg_types[nargs - 1] != ANYOID)
if (nvargs > 0 && vatype != ANYOID)
{
ArrayExpr *newa = makeNode(ArrayExpr);
int non_var_args = nargs - nvargs;
@ -587,19 +587,19 @@ ParseFuncOrColumn(ParseState *pstate, List *funcname, List *fargs,
}
/*
* When function is called with an explicit VARIADIC labeled parameter,
* and the declared_arg_type is "any", then sanity check the actual
* parameter type now - it must be an array.
* If an "any" variadic is called with explicit VARIADIC marking, insist
* that the variadic parameter be of some array type.
*/
if (nargs > 0 && vatype == ANYOID && func_variadic)
{
Oid va_arr_typid = actual_arg_types[nargs - 1];
Oid va_arr_typid = actual_arg_types[nargs - 1];
if (!OidIsValid(get_element_type(va_arr_typid)))
if (!OidIsValid(get_base_element_type(va_arr_typid)))
ereport(ERROR,
(errcode(ERRCODE_DATATYPE_MISMATCH),
errmsg("VARIADIC argument must be an array"),
parser_errposition(pstate, exprLocation((Node *) llast(fargs)))));
parser_errposition(pstate,
exprLocation((Node *) llast(fargs)))));
}
/* build the appropriate output structure */
@ -1253,6 +1253,7 @@ func_get_detail(List *funcname,
*rettype = InvalidOid;
*retset = false;
*nvargs = 0;
*vatype = InvalidOid;
*true_typeids = NULL;
if (argdefaults)
*argdefaults = NIL;
@ -1364,6 +1365,7 @@ func_get_detail(List *funcname,
*rettype = targetType;
*retset = false;
*nvargs = 0;
*vatype = InvalidOid;
*true_typeids = argtypes;
return FUNCDETAIL_COERCION;
}

30
src/backend/utils/adt/varlena.c
View File

@ -3834,16 +3834,15 @@ concat_internal(const char *sepstr, int argidx,
return NULL;
/*
* Non-null argument had better be an array
*
* Correct values are ensured by parser check, but this function
* can be called directly, bypassing the parser, so we should do
* some minimal check too - this form of call requires correctly set
* expr argtype in flinfo.
* Non-null argument had better be an array. We assume that any call
* context that could let get_fn_expr_variadic return true will have
* checked that a VARIADIC-labeled parameter actually is an array. So
* it should be okay to just Assert that it's an array rather than
* doing a full-fledged error check.
*/
Assert(OidIsValid(get_fn_expr_argtype(fcinfo->flinfo, argidx)));
Assert(OidIsValid(get_element_type(get_fn_expr_argtype(fcinfo->flinfo, argidx))));
Assert(OidIsValid(get_base_element_type(get_fn_expr_argtype(fcinfo->flinfo, argidx))));
/* OK, safe to fetch the array value */
arr = PG_GETARG_ARRAYTYPE_P(argidx);
/*
@ -4063,16 +4062,15 @@ text_format(PG_FUNCTION_ARGS)
else
{
/*
* Non-null argument had better be an array
*
* Correct values are ensured by parser check, but this function
* can be called directly, bypassing the parser, so we should do
* some minimal check too - this form of call requires correctly set
* expr argtype in flinfo.
* Non-null argument had better be an array. We assume that any
* call context that could let get_fn_expr_variadic return true
* will have checked that a VARIADIC-labeled parameter actually is
* an array. So it should be okay to just Assert that it's an
* array rather than doing a full-fledged error check.
*/
Assert(OidIsValid(get_fn_expr_argtype(fcinfo->flinfo, 1)));
Assert(OidIsValid(get_element_type(get_fn_expr_argtype(fcinfo->flinfo, 1))));
Assert(OidIsValid(get_base_element_type(get_fn_expr_argtype(fcinfo->flinfo, 1))));
/* OK, safe to fetch the array value */
arr = PG_GETARG_ARRAYTYPE_P(1);
/* Get info about array element type */