New API should return proper metadata properties, not the historical artifacts
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Key: CORE-4178
URL: http://tracker.firebirdsql.org/browse/CORE-4178
Project: Firebird Core
Issue Type: Bug
Components: API / Client Library
Affects Versions: 3.0 Alpha 1
Reporter: Dmitry Yemanov
Instead of returning implementation details and keeing the old API weirdness,
let's provide a clear implementation in IMessageMetadata. Now, for SQL_BLOB
(subtype TEXT), getScale() returns a charset. For SQL_VARYING, getSubType()
returns a charset, getCharSet() returns zero (accordingly to user reports).
This makes the interface hardly usable and plays against the long-term success
of the new API.
The fact that the old API emulation is stacked on top of the new API (thus
possibly requiring a conversion between proper and legacy property values)
could be a problem here, but it must be solved.
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