postgres.git / summary / log / commit / refs
commit 54affb41e79cf4bec00bb5e00eb12a1715b9e278
Author: Tom Lane <tgl@sss.pgh.pa.us>
Date: Mon May 01 19:31:41 2017 +0000
Improve function header comment for create_singleton_array().
Mentioning the caller is neither future-proof nor an adequate substitute
for giving an API specification. Per gripe from Neha Khatri, though
I changed the patch around some.
Discussion: https://postgr.es/m/CAFO0U+_fS5SRhzq6uPG+4fbERhoA9N2+nPrtvaC9mmeWivxbsA@mail.gmail.com
src/backend/utils/adt/array_userfuncs.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/src/backend/utils/adt/array_userfuncs.c b/src/backend/utils/adt/array_userfuncs.c
index e6c1f58ae08..8da3e0ac5b8 100644
--- a/src/backend/utils/adt/array_userfuncs.c
+++ b/src/backend/utils/adt/array_userfuncs.c
@@ -455,7 +455,10 @@ array_cat(PG_FUNCTION_ARGS)
/*
- * used by text_to_array() in varlena.c
+ * create_singleton_array - make a one-element array
+ *
+ * If desired, the caller can ask for it to be higher than one-dimensional.
+ * Caller's fcinfo must be passed in, as we use fn_extra for caching.
*/
ArrayType *
create_singleton_array(FunctionCallInfo fcinfo,
[parent: 92a43e4857d9]