1
0
mirror of https://github.com/sqlite/sqlite.git synced 2025-07-29 08:01:23 +03:00

Enhance the sessions documentation to show the methods of the various objects.

FossilOrigin-Name: e01177754ad6d9e2d38adddddd2e2e212094dac1154bda5fcee61ca8b678ae0f
This commit is contained in:
drh
2018-02-28 22:21:29 +00:00
parent 6a8a629e6b
commit bda30ce4d8
3 changed files with 39 additions and 8 deletions

View File

@ -13,16 +13,23 @@ extern "C" {
/*
** CAPI3REF: Session Object Handle
**
** An instance of this object is a [session] that can be used to
** record changes to a database.
*/
typedef struct sqlite3_session sqlite3_session;
/*
** CAPI3REF: Changeset Iterator Handle
**
** An instance of this object is as as a cursor for iterating
** over the elements of a [changeset] or [patchset].
*/
typedef struct sqlite3_changeset_iter sqlite3_changeset_iter;
/*
** CAPI3REF: Create A New Session Object
** CONSTRUCTOR: sqlite3_session
**
** Create a new session object attached to database handle db. If successful,
** a pointer to the new object is written to *ppSession and SQLITE_OK is
@ -59,6 +66,7 @@ int sqlite3session_create(
/*
** CAPI3REF: Delete A Session Object
** DESTRUCTOR: sqlite3_session
**
** Delete a session object previously allocated using
** [sqlite3session_create()]. Once a session object has been deleted, the
@ -74,6 +82,7 @@ void sqlite3session_delete(sqlite3_session *pSession);
/*
** CAPI3REF: Enable Or Disable A Session Object
** METHOD: sqlite3_session
**
** Enable or disable the recording of changes by a session object. When
** enabled, a session object records changes made to the database. When
@ -93,6 +102,7 @@ int sqlite3session_enable(sqlite3_session *pSession, int bEnable);
/*
** CAPI3REF: Set Or Clear the Indirect Change Flag
** METHOD: sqlite3_session
**
** Each change recorded by a session object is marked as either direct or
** indirect. A change is marked as indirect if either:
@ -122,6 +132,7 @@ int sqlite3session_indirect(sqlite3_session *pSession, int bIndirect);
/*
** CAPI3REF: Attach A Table To A Session Object
** METHOD: sqlite3_session
**
** If argument zTab is not NULL, then it is the name of a table to attach
** to the session object passed as the first argument. All subsequent changes
@ -184,6 +195,7 @@ int sqlite3session_attach(
/*
** CAPI3REF: Set a table filter on a Session Object.
** METHOD: sqlite3_session
**
** The second argument (xFilter) is the "filter callback". For changes to rows
** in tables that are not attached to the Session object, the filter is called
@ -202,6 +214,7 @@ void sqlite3session_table_filter(
/*
** CAPI3REF: Generate A Changeset From A Session Object
** METHOD: sqlite3_session
**
** Obtain a changeset containing changes to the tables attached to the
** session object passed as the first argument. If successful,
@ -311,7 +324,8 @@ int sqlite3session_changeset(
);
/*
** CAPI3REF: Load The Difference Between Tables Into A Session
** CAPI3REF: Load The Difference Between Tables Into A Session
** METHOD: sqlite3_session
**
** If it is not already attached to the session object passed as the first
** argument, this function attaches table zTbl in the same manner as the
@ -376,6 +390,7 @@ int sqlite3session_diff(
/*
** CAPI3REF: Generate A Patchset From A Session Object
** METHOD: sqlite3_session
**
** The differences between a patchset and a changeset are that:
**
@ -427,6 +442,7 @@ int sqlite3session_isempty(sqlite3_session *pSession);
/*
** CAPI3REF: Create An Iterator To Traverse A Changeset
** CONSTRUCTOR: sqlite3_changeset_iter
**
** Create an iterator used to iterate through the contents of a changeset.
** If successful, *pp is set to point to the iterator handle and SQLITE_OK
@ -467,6 +483,7 @@ int sqlite3changeset_start(
/*
** CAPI3REF: Advance A Changeset Iterator
** METHOD: sqlite3_changeset_iter
**
** This function may only be used with iterators created by function
** [sqlite3changeset_start()]. If it is called on an iterator passed to
@ -491,6 +508,7 @@ int sqlite3changeset_next(sqlite3_changeset_iter *pIter);
/*
** CAPI3REF: Obtain The Current Operation From A Changeset Iterator
** METHOD: sqlite3_changeset_iter
**
** The pIter argument passed to this function may either be an iterator
** passed to a conflict-handler by [sqlite3changeset_apply()], or an iterator
@ -525,6 +543,7 @@ int sqlite3changeset_op(
/*
** CAPI3REF: Obtain The Primary Key Definition Of A Table
** METHOD: sqlite3_changeset_iter
**
** For each modified table, a changeset includes the following:
**
@ -556,6 +575,7 @@ int sqlite3changeset_pk(
/*
** CAPI3REF: Obtain old.* Values From A Changeset Iterator
** METHOD: sqlite3_changeset_iter
**
** The pIter argument passed to this function may either be an iterator
** passed to a conflict-handler by [sqlite3changeset_apply()], or an iterator
@ -586,6 +606,7 @@ int sqlite3changeset_old(
/*
** CAPI3REF: Obtain new.* Values From A Changeset Iterator
** METHOD: sqlite3_changeset_iter
**
** The pIter argument passed to this function may either be an iterator
** passed to a conflict-handler by [sqlite3changeset_apply()], or an iterator
@ -619,6 +640,7 @@ int sqlite3changeset_new(
/*
** CAPI3REF: Obtain Conflicting Row Values From A Changeset Iterator
** METHOD: sqlite3_changeset_iter
**
** This function should only be used with iterator objects passed to a
** conflict-handler callback by [sqlite3changeset_apply()] with either
@ -646,6 +668,7 @@ int sqlite3changeset_conflict(
/*
** CAPI3REF: Determine The Number Of Foreign Key Constraint Violations
** METHOD: sqlite3_changeset_iter
**
** This function may only be called with an iterator passed to an
** SQLITE_CHANGESET_FOREIGN_KEY conflict handler callback. In this case
@ -662,6 +685,7 @@ int sqlite3changeset_fk_conflicts(
/*
** CAPI3REF: Finalize A Changeset Iterator
** METHOD: sqlite3_changeset_iter
**
** This function is used to finalize an iterator allocated with
** [sqlite3changeset_start()].
@ -762,11 +786,15 @@ int sqlite3changeset_concat(
/*
** CAPI3REF: Changegroup Handle
**
** A changegroup is an object used to combine two or more
** [changesets] or [patchsets]
*/
typedef struct sqlite3_changegroup sqlite3_changegroup;
/*
** CAPI3REF: Create A New Changegroup Object
** CONSTRUCTOR: sqlite3_changegroup
**
** An sqlite3_changegroup object is used to combine two or more changesets
** (or patchsets) into a single changeset (or patchset). A single changegroup
@ -804,6 +832,7 @@ int sqlite3changegroup_new(sqlite3_changegroup **pp);
/*
** CAPI3REF: Add A Changeset To A Changegroup
** METHOD: sqlite3_changegroup
**
** Add all changes within the changeset (or patchset) in buffer pData (size
** nData bytes) to the changegroup.
@ -881,6 +910,7 @@ int sqlite3changegroup_add(sqlite3_changegroup*, int nData, void *pData);
/*
** CAPI3REF: Obtain A Composite Changeset From A Changegroup
** METHOD: sqlite3_changegroup
**
** Obtain a buffer containing a changeset (or patchset) representing the
** current contents of the changegroup. If the inputs to the changegroup
@ -911,6 +941,7 @@ int sqlite3changegroup_output(
/*
** CAPI3REF: Delete A Changegroup Object
** DESTRUCTOR: sqlite3_changegroup
*/
void sqlite3changegroup_delete(sqlite3_changegroup*);