[Tarantool-patches] [PATCH v4 0/3] sql: fix CAST() from BLOB to INTEGER

[imeevma@tarantool.org]

This patch-set fixes CAST() from BLOB to INTEGER in case a BLOB
does not have '\0'.

https://github.com/tarantool/tarantool/issues/4766
https://github.com/tarantool/tarantool/tree/imeevma/gh-4766-fix-blob-size-for-cast

@Changelog
 - Explicit and implicit cast from string contains DOUBLE value to
   INTEGER or UNSIGNED was disallowed.
 - Maximum length of a BLOB that is allowed to be cast to INTEGER
   or UNSIGNED was limited to 12287 bytes.
 - Fixed wrong behaviour of CAST() from BLOB to INTEGER in case a
   BLOB does not have '\0'. (gh-4766)

Mergen Imeev (3):
  sql: fix CAST() from STRING to INTEGER
  sql: fix implicit cast from STRING to INTEGER
  sql: add '\0' to the BLOB when it is cast to INTEGER

 src/box/sql/util.c                                 |  17 ++-
 src/box/sql/vdbe.c                                 |  11 +-
 src/box/sql/vdbeInt.h                              |   1 -
 src/box/sql/vdbemem.c                              |  45 ++-----
 test/sql-tap/e_select1.test.lua                    |   2 +-
 .../gh-4766-wrong-cast-from-blob-to-int.test.lua   | 150 +++++++++++++++++++++
 test/sql-tap/intpkey.test.lua                      |   2 +-
 test/sql-tap/join.test.lua                         |   4 +-
 test/sql-tap/subquery.test.lua                     |   6 +-
 test/sql-tap/tkt-9a8b09f8e6.test.lua               |   4 +-
 test/sql/types.result                              |  23 ++--
 11 files changed, 203 insertions(+), 62 deletions(-)
 create mode 100755 test/sql-tap/gh-4766-wrong-cast-from-blob-to-int.test.lua

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2.7.4