[dovecot/core] 0b307a: lib-sql: Add comments about NULL values.

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/dovecot/core
  Commit: 0b307ab3d0c48074b367f573d239e9db8b76a2ca
      https://github.com/dovecot/core/commit/0b307ab3d0c48074b367f573d239e9db8b76a2ca
  Author: Timo Sirainen <timo.sirainen at dovecot.fi>
  Date:   2017-10-06 (Fri, 06 Oct 2017)

  Changed paths:
    M src/lib-sql/sql-api.h

  Log Message:
  -----------
  lib-sql: Add comments about NULL values.


  Commit: 6781f16b21fb66a196130135bfef53488e7b913b
      https://github.com/dovecot/core/commit/6781f16b21fb66a196130135bfef53488e7b913b
  Author: Timo Sirainen <timo.sirainen at dovecot.fi>
  Date:   2017-10-06 (Fri, 06 Oct 2017)

  Changed paths:
    M src/lib-dict-backend/dict-sql.c

  Log Message:
  -----------
  dict-sql: dict doesn't support NULL values, so convert SQL NULLs to ""


Compare: https://github.com/dovecot/core/compare/f89eb8f2cda0...6781f16b21fb