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Backpatch-through: 13
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When building a JSON object, the code builds a hash table of keys, to
allow checking if the keys are unique. The uniqueness check and adding
the new key happens in json_unique_check_key(), but this assumes the
pointer to the key remains valid.
Unfortunately, two places passed pointers to keys in a buffer, while
also appending more data (additional key/value pairs) to the buffer.
With enough data the buffer is resized by enlargeStringInfo(), which
calls repalloc(), invalidating the earlier key pointers.
Due to this the uniqueness check may fail with both false negatives and
false positives, producing JSON objects with duplicate keys or failing
to produce a perfectly valid JSON object.
This affects multiple functions that enforce uniqueness of keys, all
introduced in PG16 with the new SQL/JSON:
- json_object_agg_unique / jsonb_object_agg_unique
- json_object / jsonb_objectagg
Existing regression tests did not detect the issue, simply because the
initial buffer size is 1024 and the objects were small enough not to
require the repalloc.
With a sufficiently large object, AddressSanitizer reported the access
to invalid memory immediately. So would valgrind, of course.
Fixed by copying the key into the hash table memory context, and adding
regression tests with enough data to repalloc the buffer. Backpatch to
16, where the functions were introduced.
Reported by Alexander Lakhin. Investigation and initial fix by Junwang
Zhao, with various improvements and tests by me.
Reported-by: Alexander Lakhin
Author: Junwang Zhao, Tomas Vondra
Backpatch-through: 16
Discussion: https://postgr.es/m/[email protected]
Discussion: https://postgr.es/m/CAEG8a3JjH0ReJF2_O7-8LuEbO69BxPhYeXs95_x7+H9AMWF1gw@mail.gmail.com
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Here we adjust escape_json_with_len() to make use of SIMD to allow
processing of up to 16-bytes at a time rather than processing a single
byte at a time. This has been shown to speed up escaping of JSON
strings significantly.
Escaping is required for both JSON string properties and also the
property names themselves, so this should also help improve the speed of
the conversion from JSON into text for JSON objects that have property
names 16 or more bytes long.
Escaping JSON strings was often a significant bottleneck for longer
strings. With these changes, some benchmarking has shown a query
performing nearly 4 times faster when escaping a JSON object with a 1MB
text property. Tests with shorter text properties saw smaller but still
significant performance improvements. For example, a test outputting 1024
JSON strings with a text property length ranging from 1 char to 1024 chars
became around 2 times faster.
Author: David Rowley
Reviewed-by: Melih Mutlu
Discussion: https://postgr.es/m/CAApHDvpLXwMZvbCKcdGfU9XQjGCDm7tFpRdTXuB9PVgpNUYfEQ@mail.gmail.com
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There were quite a few places where we either had a non-NUL-terminated
string or a text Datum which we needed to call escape_json() on. Many of
these places required that a temporary string was created due to the fact
that escape_json() needs a NUL-terminated cstring. For text types, those
first had to be converted to cstring before calling escape_json() on them.
Here we introduce two new functions to make escaping JSON more optimal:
escape_json_text() can be given a text Datum to append onto the given
buffer. This is more optimal as it foregoes the need to convert the text
Datum into a cstring. A temporary allocation is only required if the text
Datum needs to be detoasted.
escape_json_with_len() can be used when the length of the cstring is
already known or the given string isn't NUL-terminated. Having this
allows various places which were creating a temporary NUL-terminated
string to just call escape_json_with_len() without any temporary memory
allocations.
Discussion: https://postgr.es/m/CAApHDvpLXwMZvbCKcdGfU9XQjGCDm7tFpRdTXuB9PVgpNUYfEQ@mail.gmail.com
Reviewed-by: Melih Mutlu, Heikki Linnakangas
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Reported-by: Michael Paquier
Discussion: https://postgr.es/m/[email protected]
Backpatch-through: 12
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Commit dc3f9bc549 mainly targeted the JSONTYPE_NUMERIC code path.
This commit applies similar optimizations (e.g., removing
unnecessary runtime calls to strlen() and palloc()) to nearby code.
Reviewed-by: Tom Lane
Discussion: https://postgr.es/m/20231208203708.GA4126315%40nathanxps13
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This commit does the following:
* In datum_to_json_internal(), the call to IsValidJsonNumber() is
replaced with simplified validation code. This avoids an extra
call to strlen() in this path, and it avoids validating the
entire string (which is okay since we know we're dealing with a
numeric data type's output).
* In datum_to_json_internal(), the call to escape_json() in the
JSONTYPE_NUMERIC path is replaced with code that just surrounds
the string with quotes. In passing, some other nearby calls to
appendStringInfo() have been replaced with similar code to avoid
unnecessary calls to vsnprintf().
* In composite_to_json(), the length of the separator is now
determined at compile time to avoid unnecessary calls to
strlen().
On my machine, this speeds up a benchmark for the proposed COPY TO
(FORMAT json) command with many integers by upwards of 20%. There
are likely other code paths that could be given a similar
treatment, but that is left as a future exercise.
Reviewed-by: Jeff Davis, Tom Lane, David Rowley, John Naylor
Discussion: https://postgr.es/m/20231207231251.GB3359478%40nathanxps13
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This excludes any changes that would change the external AM APIs.
Reviewed-by: Aleksander Alekseev <[email protected]>
Discussion: https://www.postgresql.org/message-id/flat/14c31f4a-0347-0805-dce8-93a9072c05a5%40eisentraut.org
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Previously, the JSON code didn't have to worry too much about freeing
JsonLexContext, because it was never too long-lived. With new features
being added for SQL/JSON this is no longer the case. Add a routine
that knows how to free this struct and apply that to a few places, to
prevent this from becoming problematic.
At the same time, we change the API of makeJsonLexContextCstringLen to
make it receive a pointer to JsonLexContext for callers that want it to
be stack-allocated; it can also be passed as NULL to get the original
behavior of a palloc'ed one.
This also causes an ABI break due to the addition of flags to
JsonLexContext, so we can't easily backpatch it. AFAICS that's not much
of a problem; apparently some leaks might exist in JSON usage of
text-search, for example via json_to_tsvector, but I haven't seen any
complaints about that.
Per Coverity complaint about datum_to_jsonb_internal().
Discussion: https://postgr.es/m/[email protected]
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We had essentially the same error in several different wordings.
Unify that.
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This is to export datum_to_json(), datum_to_jsonb(), and
jsonb_from_cstring(), though the last one is exported as
jsonb_from_text().
A subsequent commit to add new SQL/JSON constructor functions will
need them for calling from the executor.
Discussion: https://postgr.es/m/20230720160252.ldk7jy6jqclxfxkq%40alvherre.pgsql
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This essentially removes the JsonbTypeCategory enum and
jsonb_categorize_type() and integrates any jsonb-specific logic that
was in jsonb_categorize_type() into json_categorize_type(), now
moved to jsonfuncs.c. The remaining JsonTypeCategory enum and
json_categorize_type() cover the needs of the callers in both json.c
and jsonb.c. json_categorize_type() has grown a new parameter named
is_jsonb for callers to engage the jsonb-specific behavior of
json_categorize_type().
One notable change in the now exported API of json_categorize_type()
is that it now always returns *outfuncoid even though a caller may
have no need currently to see one.
This is in preparation of later commits to implement additional
SQL/JSON functions.
Co-authored-by: Álvaro Herrera <[email protected]>
Reviewed-by: Álvaro Herrera <[email protected]>
Discussion: https://postgr.es/m/CA+HiwqE4XTdfb1nW=Ojoy_tQSRhYt-q_kb6i5d4xcKyrLC1Nbg@mail.gmail.com
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This patch introduces the SQL standard IS JSON predicate. It operates
on text and bytea values representing JSON, as well as on the json and
jsonb types. Each test has IS and IS NOT variants and supports a WITH
UNIQUE KEYS flag. The tests are:
IS JSON [VALUE]
IS JSON ARRAY
IS JSON OBJECT
IS JSON SCALAR
These should be self-explanatory.
The WITH UNIQUE KEYS flag makes these return false when duplicate keys
exist in any object within the value, not necessarily directly contained
in the outermost object.
Author: Nikita Glukhov <[email protected]>
Author: Teodor Sigaev <[email protected]>
Author: Oleg Bartunov <[email protected]>
Author: Alexander Korotkov <[email protected]>
Author: Amit Langote <[email protected]>
Author: Andrew Dunstan <[email protected]>
Reviewers have included (in no particular order) Andres Freund, Alexander
Korotkov, Pavel Stehule, Andrew Alsup, Erik Rijkers, Zihong Yu,
Himanshu Upadhyaya, Daniel Gustafsson, Justin Pryzby.
Discussion: https://postgr.es/m/CAF4Au4w2x-5LTnN_bxky-mq4=WOqsGsxSpENCzHRAzSnEd8+WQ@mail.gmail.com
Discussion: https://postgr.es/m/[email protected]
Discussion: https://postgr.es/m/[email protected]
Discussion: https://postgr.es/m/abd9b83b-aa66-f230-3d6d-734817f0995d%40postgresql.org
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This commit introduces the SQL/JSON standard-conforming constructors for
JSON types:
JSON_ARRAY()
JSON_ARRAYAGG()
JSON_OBJECT()
JSON_OBJECTAGG()
Most of the functionality was already present in PostgreSQL-specific
functions, but these include some new functionality such as the ability
to skip or include NULL values, and to allow duplicate keys or throw
error when they are found, as well as the standard specified syntax to
specify output type and format.
Author: Nikita Glukhov <[email protected]>
Author: Teodor Sigaev <[email protected]>
Author: Oleg Bartunov <[email protected]>
Author: Alexander Korotkov <[email protected]>
Author: Amit Langote <[email protected]>
Reviewers have included (in no particular order) Andres Freund, Alexander
Korotkov, Pavel Stehule, Andrew Alsup, Erik Rijkers, Zihong Yu,
Himanshu Upadhyaya, Daniel Gustafsson, Justin Pryzby.
Discussion: https://postgr.es/m/CAF4Au4w2x-5LTnN_bxky-mq4=WOqsGsxSpENCzHRAzSnEd8+WQ@mail.gmail.com
Discussion: https://postgr.es/m/[email protected]
Discussion: https://postgr.es/m/[email protected]
Discussion: https://postgr.es/m/abd9b83b-aa66-f230-3d6d-734817f0995d%40postgresql.org
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Backpatch-through: 11
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This requires a bit of further infrastructure-extension to allow
trapping errors reported by numeric_in and pg_unicode_to_server,
but otherwise it's pretty straightforward.
In the case of jsonb_in, we are only capturing errors reported
during the initial "parse" phase. The value-construction phase
(JsonbValueToJsonb) can also throw errors if assorted implementation
limits are exceeded. We should improve that, but it seems like a
separable project.
Andrew Dunstan and Tom Lane
Discussion: https://postgr.es/m/[email protected]
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The reverts the following and makes some associated cleanups:
commit f79b803dc: Common SQL/JSON clauses
commit f4fb45d15: SQL/JSON constructors
commit 5f0adec25: Make STRING an unreserved_keyword.
commit 33a377608: IS JSON predicate
commit 1a36bc9db: SQL/JSON query functions
commit 606948b05: SQL JSON functions
commit 49082c2cc: RETURNING clause for JSON() and JSON_SCALAR()
commit 4e34747c8: JSON_TABLE
commit fadb48b00: PLAN clauses for JSON_TABLE
commit 2ef6f11b0: Reduce running time of jsonb_sqljson test
commit 14d3f24fa: Further improve jsonb_sqljson parallel test
commit a6baa4bad: Documentation for SQL/JSON features
commit b46bcf7a4: Improve readability of SQL/JSON documentation.
commit 112fdb352: Fix finalization for json_objectagg and friends
commit fcdb35c32: Fix transformJsonBehavior
commit 4cd8717af: Improve a couple of sql/json error messages
commit f7a605f63: Small cleanups in SQL/JSON code
commit 9c3d25e17: Fix JSON_OBJECTAGG uniquefying bug
commit a79153b7a: Claim SQL standard compliance for SQL/JSON features
commit a1e7616d6: Rework SQL/JSON documentation
commit 8d9f9634e: Fix errors in copyfuncs/equalfuncs support for JSON node types.
commit 3c633f32b: Only allow returning string types or bytea from json_serialize
commit 67b26703b: expression eval: Fix EEOP_JSON_CONSTRUCTOR and EEOP_JSONEXPR size.
The release notes are also adjusted.
Backpatch to release 15.
Discussion: https://postgr.es/m/[email protected]
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There were many calls to construct_array() and deconstruct_array() for
built-in types, for example, when dealing with system catalog columns.
These all hardcoded the type attributes necessary to pass to these
functions.
To simplify this a bit, add construct_array_builtin(),
deconstruct_array_builtin() as wrappers that centralize this hardcoded
knowledge. This simplifies many call sites and reduces the amount of
hardcoded stuff that is spread around.
Reviewed-by: Tom Lane <[email protected]>
Discussion: https://www.postgresql.org/message-id/flat/2914356f-9e5f-8c59-2995-5997fc48bcba%40enterprisedb.com
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Run pgindent, pgperltidy, and reformat-dat-files.
I manually fixed a couple of comments that pgindent uglified.
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These are useless and distracting. We wouldn't have written the code
with them to begin with, so there's no reason to keep them.
Author: Justin Pryzby <[email protected]>
Discussion: https://postgr.es/m/[email protected]
Discussion: https://postgr.es/m/attachment/133167/0016-Extraneous-blank-lines.patch
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Commit f4fb45d15c misguidedly tried to free some state during aggregate
finalization for json_objectagg. This resulted in attempts to access
freed memory, especially when the function is used as a window function.
Commit 4eb9798879 attempted to ameliorate that, but in fact it should
just be ripped out, which is done here. Also add some regression tests
for json_objectagg in various flavors as a window function.
Original report from Jaime Casanova, diagnosis by Andres Freund.
Discussion: https://postgr.es/m/YkfeMNYRCGhySKyg@ahch-to
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Commit f4fb45d15c tried to free memory during aggregate finalization.
This cause issues, particularly when used as a window function, so stop
doing that.
Per complaint by Jaime Casanova and diagnosis by Andres Freund
Discussion: https://postgr.es/m/YkfeMNYRCGhySKyg@ahch-to
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This Patch introduces three SQL standard JSON functions:
JSON() (incorrectly mentioned in my commit message for f4fb45d15c)
JSON_SCALAR()
JSON_SERIALIZE()
JSON() produces json values from text, bytea, json or jsonb values, and
has facilitites for handling duplicate keys.
JSON_SCALAR() produces a json value from any scalar sql value, including
json and jsonb.
JSON_SERIALIZE() produces text or bytea from input which containis or
represents json or jsonb;
For the most part these functions don't add any significant new
capabilities, but they will be of use to users wanting standard
compliant JSON handling.
Nikita Glukhov
Reviewers have included (in no particular order) Andres Freund, Alexander
Korotkov, Pavel Stehule, Andrew Alsup, Erik Rijkers, Zihong Yu,
Himanshu Upadhyaya, Daniel Gustafsson, Justin Pryzby.
Discussion: https://postgr.es/m/[email protected]
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This patch intrdocuces the SQL standard IS JSON predicate. It operates
on text and bytea values representing JSON as well as on the json and
jsonb types. Each test has an IS and IS NOT variant. The tests are:
IS JSON [VALUE]
IS JSON ARRAY
IS JSON OBJECT
IS JSON SCALAR
IS JSON WITH | WITHOUT UNIQUE KEYS
These are mostly self-explanatory, but note that IS JSON WITHOUT UNIQUE
KEYS is true whenever IS JSON is true, and IS JSON WITH UNIQUE KEYS is
true whenever IS JSON is true except it IS JSON OBJECT is true and there
are duplicate keys (which is never the case when applied to jsonb values).
Nikita Glukhov
Reviewers have included (in no particular order) Andres Freund, Alexander
Korotkov, Pavel Stehule, Andrew Alsup, Erik Rijkers, Zihong Yu,
Himanshu Upadhyaya, Daniel Gustafsson, Justin Pryzby.
Discussion: https://postgr.es/m/[email protected]
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This patch introduces the SQL/JSON standard constructors for JSON:
JSON()
JSON_ARRAY()
JSON_ARRAYAGG()
JSON_OBJECT()
JSON_OBJECTAGG()
For the most part these functions provide facilities that mimic
existing json/jsonb functions. However, they also offer some useful
additional functionality. In addition to text input, the JSON() function
accepts bytea input, which it will decode and constuct a json value from.
The other functions provide useful options for handling duplicate keys
and null values.
This series of patches will be followed by a consolidated documentation
patch.
Nikita Glukhov
Reviewers have included (in no particular order) Andres Freund, Alexander
Korotkov, Pavel Stehule, Andrew Alsup, Erik Rijkers, Zihong Yu,
Himanshu Upadhyaya, Daniel Gustafsson, Justin Pryzby.
Discussion: https://postgr.es/m/[email protected]
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Backpatch-through: 10
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Backpatch-through: 9.5
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Reported-by: Ranier Vilela
Discussion: https://postgr.es/m/CAEudQAo1+AcGppxDSg8k+zF4+Kv+eJyqzEDdbpDg58-=MQcerQ@mail.gmail.com
Author: Ranier Vilela
Backpatch-through: master
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Oid is unsigned, so %u needs to be used and not %d. The code path
involved here is not normally reachable, so no backpatch is done.
Author: Justin Pryzby
Discussion: https://postgr.es/m/[email protected]
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Includes some manual cleanup of places that pgindent messed up,
most of which weren't per project style anyway.
Notably, it seems some people didn't absorb the style rules of
commit c9d297751, because there were a bunch of new occurrences
of function calls with a newline just after the left paren, all
with faulty expectations about how the rest of the call would get
indented.
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This patch adds the pseudo-types anycompatible, anycompatiblearray,
anycompatiblenonarray, and anycompatiblerange. They work much like
anyelement, anyarray, anynonarray, and anyrange respectively, except
that the actual input values need not match precisely in type.
Instead, if we can find a common supertype (using the same rules
as for UNION/CASE type resolution), then the parser automatically
promotes the input values to that type. For example,
"myfunc(anycompatible, anycompatible)" can match a call with one
integer and one bigint argument, with the integer automatically
promoted to bigint. With anyelement in the definition, the user
would have had to cast the integer explicitly.
The new types also provide a second, independent set of type variables
for function matching; thus with "myfunc(anyelement, anyelement,
anycompatible) returns anycompatible" the first two arguments are
constrained to be the same type, but the third can be some other
type, and the result has the type of the third argument. The need
for more than one set of type variables was foreseen back when we
first invented the polymorphic types, but we never did anything
about it.
Pavel Stehule, revised a bit by me
Discussion: https://postgr.es/m/CAFj8pRDna7VqNi8gR+Tt2Ktmz0cq5G93guc3Sbn_NVPLdXAkqA@mail.gmail.com
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Our usual practice for "poor man's enum" catalog columns is to define
macros for the possible values and use those, not literal constants,
in C code. But for some reason lost in the mists of time, this was
never done for typalign/attalign or typstorage/attstorage. It's never
too late to make it better though, so let's do that.
The reason I got interested in this right now is the need to duplicate
some uses of the TYPSTORAGE constants in an upcoming ALTER TYPE patch.
But in general, this sort of change aids greppability and readability,
so it's a good idea even without any specific motivation.
I may have missed a few places that could be converted, and it's even
more likely that pending patches will re-introduce some hard-coded
references. But that's not fatal --- there's no expectation that
we'd actually change any of these values. We can clean up stragglers
over time.
Discussion: https://postgr.es/m/[email protected]
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To make this work, (1) makeJsonLexContextCstringLen now takes the
encoding to be used as an argument; (2) check_stack_depth() is made to
do nothing in frontend code, and (3) elog(ERROR, ...) is changed to
pg_log_fatal + exit in frontend code.
Mark Dilger, reviewed and slightly revised by me.
Discussion: http://postgr.es/m/CA+TgmoYfOXhd27MUDGioVh6QtpD0C1K-f6ObSA10AWiHBAL5bA@mail.gmail.com
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Specifically, move those functions that depend on ereport()
from jsonapi.c to jsonfuncs.c, in preparation for allowing
jsonapi.c to be used from frontend code.
A few cases where elog(ERROR, ...) is used for can't-happen
conditions are left alone; we can handle those in some other
way in frontend code.
Reviewed by Mark Dilger and Andrew Dunstan.
Discussion: http://postgr.es/m/CA+TgmoYfOXhd27MUDGioVh6QtpD0C1K-f6ObSA10AWiHBAL5bA@mail.gmail.com
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Instead, it now returns a value indicating either success or the
type of error which occurred. The old behavior is still available
by calling pg_parse_json_or_ereport(). If the new interface is
used, an error can be thrown by passing the return value of
pg_parse_json() to json_ereport_error().
pg_parse_json() can still elog() in can't-happen cases, but it
seems like that issue is best handled separately.
Adjust json_lex() and json_count_array_elements() to return an
error code, too.
This is all in preparation for making the backend's json parser
available to frontend code.
Reviewed and/or tested by Mark Dilger and Andrew Dunstan.
Discussion: http://postgr.es/m/CA+TgmoYfOXhd27MUDGioVh6QtpD0C1K-f6ObSA10AWiHBAL5bA@mail.gmail.com
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Keep the code that pertains to the 'json' data type in json.c, but
move the lexing and parsing code to a new file jsonapi.c, a name
I chose because the corresponding prototypes are in jsonapi.h.
This seems like a logical division, because the JSON lexer and parser
are also used by the 'jsonb' data type, but the SQL-callable functions
in json.c are a separate thing. Also, the new jsonapi.c file needs to
include far fewer header files than json.c, which seems like a good
sign that this is an appropriate place to insert an abstraction
boundary. I took the opportunity to remove a few apparently-unneeded
includes from json.c at the same time.
Patch by me, reviewed by David Steele, Mark Dilger, and Andrew
Dunstan. The previous commit was, too, but I forgot to note it
in the commit message.
Discussion: http://postgr.es/m/CA+TgmoYfOXhd27MUDGioVh6QtpD0C1K-f6ObSA10AWiHBAL5bA@mail.gmail.com
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Backpatch-through: update all files in master, backpatch legal files through 9.4
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Similar to commits 7e735035f2 and dddf4cdc33, this commit makes the order
of header file inclusion consistent for backend modules.
In the passing, removed a couple of duplicate inclusions.
Author: Vignesh C
Reviewed-by: Kuntal Ghosh and Amit Kapila
Discussion: https://postgr.es/m/CALDaNm2Sznv8RR6Ex-iJO6xAdsxgWhCoETkaYX=+9DW3q0QCfA@mail.gmail.com
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SQL/JSON standard allows manipulation with datetime values. So, it appears to
be convinient to allow datetime values to be represented in JsonbValue struct.
These datetime values are allowed for temporary representation only. During
serialization datetime values are converted into strings.
SQL/JSON requires writing timestamps with timezone in the same timezone offset
as they were parsed. This is why we allow storage of timezone offset in
JsonbValue struct. For the same reason timezone offset argument is added to
JsonEncodeDateTime() function.
Extracted from original patch by Nikita Glukhov, Teodor Sigaev, Oleg Bartunov.
Revised by me. Comments were adjusted by Liudmila Mantrova.
Discussion: https://postgr.es/m/fcc6fc6a-b497-f39a-923d-aa34d0c588e8%402ndQuadrant.com
Discussion: https://postgr.es/m/CAPpHfdsZgYEra_PeCLGNoXOWYx6iU-S3wF8aX0ObQUcZU%2B4XTw%40mail.gmail.com
Author: Nikita Glukhov, Teodor Sigaev, Oleg Bartunov, Alexander Korotkov, Liudmila Mantrova
Reviewed-by: Anastasia Lubennikova, Peter Eisentraut
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Switch to 2.1 version of pg_bsd_indent. This formats
multiline function declarations "correctly", that is with
additional lines of parameter declarations indented to match
where the first line's left parenthesis is.
Discussion: https://postgr.es/m/CAEepm=0P3FeTXRcU5B2W3jv3PgRVZ-kGUXLGfd42FFhUROO3ug@mail.gmail.com
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This is still using the 2.0 version of pg_bsd_indent.
I thought it would be good to commit this separately,
so as to document the differences between 2.0 and 2.1 behavior.
Discussion: https://postgr.es/m/[email protected]
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... for translatability purposes.
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Backpatch-through: certain files through 9.4
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Discussion: https://www.postgresql.org/message-id/08adbe4e-38f8-2c73-55f0-591392371687%402ndquadrant.com
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While this is not illegal C, project style is to put "extern" only on
declarations not definitions.
David Rowley
Discussion: https://postgr.es/m/CAKJS1f9RKLWXcMBQhvDYhmsMEo+ALuNgA-NE+AX5Uoke9DJ2Xg@mail.gmail.com
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The creates a single function JsonEncodeDateTime which will format these
data types in an efficient and consistent manner. This will be all the
more important when we come to jsonpath so we don't have to implement yet
more code doing the same thing in two more places.
This also extends the code to handle time and timetz types which were
not previously handled specially. This requires exposing the time2tm and
timetz2tm functions.
Patch from Nikita Glukhov
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Backpatch-through: certain files through 9.3
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Author: David Rowley
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json_build_object and json_build_array and the jsonb equivalents did not
correctly process explicit VARIADIC arguments. They are modified to use
the new extract_variadic_args() utility function which abstracts away
the details of the call method.
Michael Paquier, reviewed by Tom Lane and Dmitry Dolgov.
Backpatch to 9.5 for the jsonb fixes and 9.4 for the json fixes, as
that's where they originated.
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