Validate or transform string of DML queries so that engine internals doesn't receive malformed strings
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Key: CORE-2724
URL:
http://tracker.firebirdsql.org/browse/CORE-2724 Project: Firebird Core
Issue Type: Improvement
Components: Charsets/Collation, Engine
Reporter: Adriano dos Santos Fernandes
Fix For: 3.0 Alpha 1
It has been verified that malformed text of queries may come to engine internals and later be stored in BLOBs without validation.
This situation happened with DDL triggers, and possible happens with monitoring tables too.
The solution adopted depends on the attachment charset used:
- If it's NONE, non-ASCII characters are transformed to question marks
- Otherwise, the string is checked for malformed characters
This happens only for DML. For DDL, it will prevent the command to succeed as before.
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