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Document which features are required, and add vtab usage examples (#669)

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This commit is contained in:
Thom Chiovoloni
2020-04-05 22:15:27 -07:00
committed by GitHub
parent 6edf72857e
commit 6617db59fb
16 changed files with 164 additions and 97 deletions
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16
src/hooks.rs
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@@ -1,4 +1,4 @@
//! Commit, Data Change and Rollback Notification Callbacks
//! `feature = "hooks"` Commit, Data Change and Rollback Notification Callbacks
#![allow(non_camel_case_types)]
use std::os::raw::{c_char, c_int, c_void};
@@ -9,7 +9,7 @@ use crate::ffi;
use crate::{Connection, InnerConnection};
/// Action Codes
/// `feature = "hooks"` Action Codes
#[derive(Clone, Copy, Debug, PartialEq)]
#[repr(i32)]
pub enum Action {
@@ -31,8 +31,8 @@ impl From<i32> for Action {
}
impl Connection {
/// Register a callback function to be invoked whenever a transaction is
/// committed.
/// `feature = "hooks"` Register a callback function to be invoked whenever
/// a transaction is committed.
///
/// The callback returns `true` to rollback.
pub fn commit_hook<F>(&self, hook: Option<F>)
@@ -42,8 +42,8 @@ impl Connection {
self.db.borrow_mut().commit_hook(hook);
}
/// Register a callback function to be invoked whenever a transaction is
/// committed.
/// `feature = "hooks"` Register a callback function to be invoked whenever
/// a transaction is committed.
///
/// The callback returns `true` to rollback.
pub fn rollback_hook<F>(&self, hook: Option<F>)
@@ -53,8 +53,8 @@ impl Connection {
self.db.borrow_mut().rollback_hook(hook);
}
/// Register a callback function to be invoked whenever a row is updated,
/// inserted or deleted in a rowid table.
/// `feature = "hooks"` Register a callback function to be invoked whenever
/// a row is updated, inserted or deleted in a rowid table.
///
/// The callback parameters are:
///