Tweet with emojis only contain tweet text up until the emoji.

[ErikBorra]

Examples: tweet 1, tweet 2.

Possible fix: use utf8mb4 charset instead of just utf8. (requires mysql 5.5 or higher)
See also http://stackoverflow.com/questions/7814293/how-to-insert-utf-8-mb4-characteremoji-in-ios5-in-mysql

[dentoir]

This functionality has been added. See issue #41 and the upgrade guide for details on upgrading your existing TCAT installation to use the utf8mb4 character set.