GIN support for @@ and @? jsonpath operators

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This commit makes existing GIN operator classes jsonb_ops and json_path_ops
support "jsonb @@ jsonpath" and "jsonb @? jsonpath" operators.  Basic idea is
to extract statements of following form out of jsonpath.

 key1.key2. ... .keyN = const

The rest of jsonpath is rechecked from heap.

Catversion is bumped.

Discussion: https://postgr.es/m/fcc6fc6a-b497-f39a-923d-aa34d0c588e8%402ndQuadrant.com
Author: Nikita Glukhov, Alexander Korotkov
Reviewed-by: Jonathan Katz, Pavel Stehule

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This commit is contained in:

Alexander Korotkov

2019-04-01 18:08:15 +03:00

parent 7241911782

commit 0a02e2ae02

11 changed files with 1457 additions and 79 deletions

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src/backend/utils/adt/jsonb_gin.c

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