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Change the meaning of the SQLITE_SUBTYPE flag so that it indicates that the user-defined function cares about the subtypes of its arguments.

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FossilOrigin-Name: af1bc20f502816db460d2b2d353f715da5cf660e59095de5214c829c1cb20981
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dan
2019-09-13 17:05:48 +00:00
parent 945a3527d5
commit 01a3b6b1b2
5 changed files with 24 additions and 43 deletions
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10
src/sqlite.h.in
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@@ -4988,9 +4988,13 @@ int sqlite3_create_window_function(
** The SQLITE_DIRECTONLY flag means that the function may only be invoked
** from top-level SQL, and cannot be used in VIEWs or TRIGGERs.
**
** The SQLITE_SUBTYPE flag indicates to SQLite that the function may call
** [sqlite3_result_subtype()] in order to configure its return value with
** a sub-type.
** The SQLITE_SUBTYPE flag indicates to SQLite that a function may call
** [sqlite3_value_subtype()] to inspect the sub-types of its arguments.
** Specifying this flag makes no difference for scalar or aggregate user
** functions. However, if it is not specified for a user-defined window
** function, then any sub-types belonging to arguments passed to the window
** function may be discarded before the window function is called (i.e.
** sqlite3_value_subtype() will always return 0).
*/
#define SQLITE_DETERMINISTIC 0x000000800
#define SQLITE_DIRECTONLY 0x000080000