[Tarantool-patches] [PATCH 0/4] box: session settings fixes

[Chris Sosnin <k.sosnin@tarantool.org>]

The first patch just merges all modules into one array, so the
binary search will work once for all settings.

The second patch is implementation of the binary search.

The last two patches add frontend for accessing session settings:
Lua table and SQL statement respectively.

branch: https://github.com/tarantool/tarantool/tree/ksosnin/gh-4712-search-settings
issue #1: https://github.com/tarantool/tarantool/issues/4711
issue #2: https://github.com/tarantool/tarantool/issues/4712

Chris Sosnin (4):
  box: replace session_settings modules with a single array
  box: add binary search for _session_settings space
  box: provide a user friendly frontend for accessing session settings
  sql: provide a user friendly frontend for accessing session settings

 src/box/lua/session.c                         |  92 ++++++++
 src/box/session.cc                            |   1 +
 src/box/session.h                             |   2 +
 src/box/session_settings.c                    | 214 +++++++++++-------
 src/box/session_settings.h                    |  53 +++--
 src/box/sql.c                                 |   5 -
 src/box/sql/build.c                           | 104 ++++-----
 src/box/sql/parse.y                           |   5 +
 src/box/sql/sqlInt.h                          |  11 +
 src/box/sql/vdbe.c                            |  50 ++++
 ...rontend.result => session_settings.result} | 149 ++++++++++--
 ...end.test.lua => session_settings.test.lua} |  61 ++++-
 12 files changed, 571 insertions(+), 176 deletions(-)
 rename test/box/{gh-4511-access-settings-from-any-frontend.result => session_settings.result} (71%)
 rename test/box/{gh-4511-access-settings-from-any-frontend.test.lua => session_settings.test.lua} (65%)

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