[Tarantool-patches] [PATCH v2 0/3] Add ability to drop constraints

[Roman Khabibov <roman.habibov@tarantool.org>]

@ChangeLog
- Add function space_index_by_name().
- Add ability to spacify searching index in OP_SDelete.
- Add function vdbe_emit_index_drop() to drop index by name.
- Remove box_index_by_name() from build.c and pragma.c.
- Rewrite function sql_drop_foreign_key() to  sql_drop_constraint().
- Add ability to drop all the types of constraints.
- Modify "no such constrait" error message.

Hello, everybody!
As Nikita requested, I performed the patch to remove
box_index_by_name() from build.c and pragma.c, but what about
analyze.c? Still had to add space_index_by_name() to use in
pragma.c, beacuse struct index is required.

Roman Khabibov (3):
  sql: improve "no such constraint" error message
  sql: don't select from _index during parsing
  sql: support constraint drop

 src/box/constraint_id.h      |   1 +
 src/box/errcode.h            |   2 +-
 src/box/space.h              |  15 ++++
 src/box/sql/alter.c          |   2 +-
 src/box/sql/build.c          | 143 ++++++++++++++++++++++-------------
 src/box/sql/parse.y          |   4 +-
 src/box/sql/parse_def.h      |  11 +--
 src/box/sql/pragma.c         |   8 +-
 src/box/sql/sqlInt.h         |   7 +-
 src/box/sql/vdbe.c           |  10 ++-
 test/sql-tap/alter2.test.lua |   2 +-
 test/sql/checks.result       |   2 +-
 test/sql/constraint.result   |  81 ++++++++++++++++++++
 test/sql/constraint.test.lua |  28 +++++++
 14 files changed, 240 insertions(+), 76 deletions(-)

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2.21.0 (Apple Git-122)