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They are in fact set in every case where they are needed, but the
compiler doesn't know that.
Per gripe from Tom Lane.
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This was a notable omission from the json functions added in 9.3 and
there have been numerous complaints about its absence.
Laurence Rowe.
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json_build_array() and json_build_object allow for the construction of
arbitrarily complex json trees. json_object() turns a one or two
dimensional array, or two separate arrays, into a json_object of
name/value pairs, similarly to the hstore() function.
json_object_agg() aggregates its two arguments into a single json object
as name value pairs.
Catalog version bumped.
Andrew Dunstan, reviewed by Marko Tiikkaja.
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This will help in preparation of clean patches for upcoming
json work.
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Update all files in head, and files COPYRIGHT and legal.sgml in all back
branches.
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The new JSON API uses a bit of an unusual typedef scheme, where for
example OkeysState is a pointer to okeysState. And that's not applied
consistently either. Change that to the more usual PostgreSQL style
where struct typedefs are upper case, and use pointers explicitly.
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This is the first run of the Perl-based pgindent script. Also update
pgindent instructions.
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Per gripe from Tom Lane.
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Bug report by David Wheeler, diagnosis assistance from Tom Lane.
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The JSON parser is converted into a recursive descent parser, and
exposed for use by other modules such as extensions. The API provides
hooks for all the significant parser event such as the beginning and end
of objects and arrays, and providing functions to handle these hooks
allows for fairly simple construction of a wide variety of JSON
processing functions. A set of new basic processing functions and
operators is also added, which use this API, including operations to
extract array elements, object fields, get the length of arrays and the
set of keys of a field, deconstruct an object into a set of key/value
pairs, and create records from JSON objects and arrays of objects.
Catalog version bumped.
Andrew Dunstan, with some documentation assistance from Merlin Moncure.
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