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Add the sqlite3session_object_config() API. Current used to enable/disable collecting data for sqlite3session_changeset_size().

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FossilOrigin-Name: 4d5fd2151e024d11289b6c4fbce2996d8d07b2b5a1c953ef895c237e79d3aa55
This commit is contained in:
dan
2021-04-22 17:40:28 +00:00
parent a23a873fbb
commit 6d29a4fe5b
6 changed files with 124 additions and 18 deletions
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27
ext/session/sqlite3session.h
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@ -79,6 +79,33 @@ int sqlite3session_create(
*/
void sqlite3session_delete(sqlite3_session *pSession);
/*
** CAPIREF: Conigure a Session Object
** METHOD: sqlite3_session
*/
int sqlite3session_object_config(sqlite3_session*, int op, void *pArg);
/*
** CAPI3REF: Arguments for sqlite3session_object_config()
**
** The following values may passed as the the 4th parameter to
** [sqlite3session_object_config].
**
** <dt>SQLITE_SESSION_OBJCONFIG_SIZE <dd>
** This option is used to set, clear or query the flag that enables
** the [sqlite3session_changeset_size()] API. Because it imposes some
** computational overhead, this API is disabled by default. Argument
** pArg must point to a value of type (int). If the value is initially
** 0, then the sqlite3session_changeset_size() API is disabled. If it
** is greater than 0, then the same API is enabled. Or, if the initial
** value is less than zero, no change is made. In all cases the (int)
** variable is set to 1 if the sqlite3session_changeset_size() API is
** enabled following the current call, or 0 otherwise.
**
** It is an error (SQLITE_MISUSE) to attempt to modify this setting after
** the first table has been attached to the session object.
*/
#define SQLITE_SESSION_OBJCONFIG_SIZE 1
/*
** CAPI3REF: Enable Or Disable A Session Object