[PATCH 0/3] Introduce spgist quadtree @<(point,circle) operator

Hi,

This patch series is to add support for spgist quadtree @<(point,circle)
operator. The first two patches are to refactor existing code before
implemention the new feature. The third commit is the actual implementation
provided with a set of simple unit tests.

Matwey V. Kornilov (3):
  Introduce helper variable in spgquadtreeproc.c
  Introduce spg_quad_inner_consistent_box_helper() in spgquadtreeproc.c
  Add initial support for spgist quadtree @<(point,circle) operator

 src/backend/access/spgist/spgquadtreeproc.c | 138 +++++++++++++++++++---------
 src/include/catalog/pg_amop.dat             |   3 +
 src/test/regress/expected/create_index.out  |  96 +++++++++++++++++++
 src/test/regress/sql/create_index.sql       |  32 +++++++
 4 files changed, 225 insertions(+), 44 deletions(-)

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2.13.7