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Return NULL from json_object_agg if it gets no rows.

author Andrew Dunstan <andrew@dunslane.net>

2014年9月25日 12:18:18 +0000 (08:18 -0400)

committer Andrew Dunstan <andrew@dunslane.net>

2014年9月25日 12:18:18 +0000 (08:18 -0400)

commit ecacbdbcee67e202cfcaa1180da170b9f13654bb

tree 62885ecf4e347af211a1b80ef9f9b74757b7aa2e tree

parent b0d81adea650a4bc2b9391234345bb935b89a694 commit | diff

Return NULL from json_object_agg if it gets no rows.

This makes it consistent with the docs and with all other builtin
aggregates apart from count().

src/backend/utils/adt/json.c diff | blob | blame | history

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