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237a8824

Commit 237a8824 authored 10 years ago by Andrew Dunstan

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Add json_strip_nulls and jsonb_strip_nulls functions.

The functions remove object fields, including in nested objects, that
have null as a value. In certain cases this can lead to considerably
smaller datums, with no loss of semantic information.

Andrew Dunstan, reviewed by Pavel Stehule.

parent b1332e98

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Changes 11

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doc/src/sgml/func.sgml 23 additions, 0 deletions

doc/src/sgml/func.sgml
src/backend/utils/adt/jsonfuncs.c 197 additions, 0 deletions

src/backend/utils/adt/jsonfuncs.c
src/include/catalog/catversion.h 1 addition, 1 deletion

src/include/catalog/catversion.h
src/include/catalog/pg_proc.h 5 additions, 0 deletions

src/include/catalog/pg_proc.h
src/include/utils/json.h 2 additions, 0 deletions

src/include/utils/json.h
src/test/regress/expected/json.out 50 additions, 0 deletions

src/test/regress/expected/json.out
src/test/regress/expected/json_1.out 50 additions, 0 deletions

src/test/regress/expected/json_1.out
src/test/regress/expected/jsonb.out 50 additions, 0 deletions

src/test/regress/expected/jsonb.out
src/test/regress/expected/jsonb_1.out 50 additions, 0 deletions

src/test/regress/expected/jsonb_1.out
src/test/regress/sql/json.sql 20 additions, 0 deletions

src/test/regress/sql/json.sql
src/test/regress/sql/jsonb.sql 19 additions, 0 deletions

src/test/regress/sql/jsonb.sql

with 467 additions and 1 deletion

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