pitrou commented on code in PR #692:
URL: https://github.com/apache/arrow-adbc/pull/692#discussion_r1205995339
##########
adbc.h:
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@@ -667,8 +786,80 @@ struct ADBC_EXPORT AdbcDriver {
struct AdbcError*);
AdbcStatusCode (*StatementSetSubstraitPlan)(struct AdbcStatement*, const
uint8_t*,
size_t, struct AdbcError*);
+
+ /// \defgroup adbc-1.1.0 ADBC API Revision 1.1.0
+ ///
+ /// Functions added in ADBC 1.1.0. For backwards compatibility,
+ /// these members must not be accessed unless the version passed to
+ /// the AdbcDriverInitFunc is greater than or equal to
+ /// ADBC_VERSION_1_1_0.
+ ///
+ /// For a 1.0.0 driver being loaded by a 1.1.0 driver manager: the
+ /// 1.1.0 manager will allocate the new, expanded AdbcDriver struct
+ /// and attempt to have the driver initialize it with
+ /// ADBC_VERSION_1_1_0. This must return an error, after which the
+ /// driver will try again with ADBC_VERSION_1_0_0. The driver must
+ /// not access the new fields.
Review Comment:
The new fields will be null-initialized?
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