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Merge pull request #973 from gwenn/doc_cfg

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Use #[doc(cfg)]
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gwenn 2021-06-30 18:07:54 +02:00 committed by GitHub
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22 changed files with 134 additions and 84 deletions
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1
Cargo.toml
View File

@ -150,6 +150,7 @@ features = [ "array", "backup", "blob", "chrono", "collation", "functions", "lim
all-features = false
no-default-features = true
default-target = "x86_64-unknown-linux-gnu"
rustdoc-args = ["--cfg", "docsrs"]
[package.metadata.playground]
features = ["bundled-full"]

12
src/backup.rs
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@ -1,4 +1,4 @@
//! `feature = "backup"` Online SQLite backup API.
//! Online SQLite backup API.
//!
//! To create a [`Backup`], you must have two distinct [`Connection`]s - one
//! for the source (which can be used while the backup is running) and one for
@ -44,7 +44,7 @@ use crate::error::{error_from_handle, error_from_sqlite_code};
use crate::{Connection, DatabaseName, Result};
impl Connection {
/// `feature = "backup"` Back up the `name` database to the given
/// Back up the `name` database to the given
/// destination path.
///
/// If `progress` is not `None`, it will be called periodically
@ -84,7 +84,7 @@ impl Connection {
}
}
/// `feature = "backup"` Restore the given source path into the
/// Restore the given source path into the
/// `name` database. If `progress` is not `None`, it will be
/// called periodically until the restore completes.
///
@ -131,7 +131,7 @@ impl Connection {
}
}
/// `feature = "backup"` Possible successful results of calling
/// Possible successful results of calling
/// [`Backup::step`].
#[derive(Copy, Clone, Debug, PartialEq, Eq)]
#[non_exhaustive]
@ -152,7 +152,7 @@ pub enum StepResult {
Locked,
}
/// `feature = "backup"` Struct specifying the progress of a backup. The
/// Struct specifying the progress of a backup. The
/// percentage completion can be calculated as `(pagecount - remaining) /
/// pagecount`. The progress of a backup is as of the last call to
/// [`step`](Backup::step) - if the source database is modified after a call to
@ -166,7 +166,7 @@ pub struct Progress {
pub pagecount: c_int,
}
/// `feature = "backup"` A handle to an online backup.
/// A handle to an online backup.
pub struct Backup<'a, 'b> {
phantom_from: PhantomData<&'a Connection>,
phantom_to: PhantomData<&'b Connection>,

8
src/blob/mod.rs
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@ -1,4 +1,4 @@
//! `feature = "blob"` Incremental BLOB I/O.
//! Incremental BLOB I/O.
//!
//! Note that SQLite does not provide API-level access to change the size of a
//! BLOB; that must be performed through SQL statements.
@ -196,7 +196,7 @@ use crate::{Connection, DatabaseName, Result};
mod pos_io;
/// `feature = "blob"` Handle to an open BLOB. See
/// Handle to an open BLOB. See
/// [`rusqlite::blob`](crate::blob) documentation for in-depth discussion.
pub struct Blob<'conn> {
conn: &'conn Connection,
@ -206,7 +206,7 @@ pub struct Blob<'conn> {
}
impl Connection {
/// `feature = "blob"` Open a handle to the BLOB located in `row_id`,
/// Open a handle to the BLOB located in `row_id`,
/// `column`, `table` in database `db`.
///
/// # Failure
@ -400,7 +400,7 @@ impl Drop for Blob<'_> {
}
}
/// `feature = "blob"` BLOB of length N that is filled with zeroes.
/// BLOB of length N that is filled with zeroes.
///
/// Zeroblobs are intended to serve as placeholders for BLOBs whose content is
/// later written using incremental BLOB I/O routines.

8
src/collation.rs
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@ -1,4 +1,4 @@
//! `feature = "collation"` Add, remove, or modify a collation
//! Add, remove, or modify a collation
use std::cmp::Ordering;
use std::os::raw::{c_char, c_int, c_void};
use std::panic::{catch_unwind, UnwindSafe};
@ -14,7 +14,7 @@ unsafe extern "C" fn free_boxed_value<T>(p: *mut c_void) {
}
impl Connection {
/// `feature = "collation"` Add or modify a collation.
/// Add or modify a collation.
#[inline]
pub fn create_collation<'c, C>(&'c self, collation_name: &str, x_compare: C) -> Result<()>
where
@ -25,7 +25,7 @@ impl Connection {
.create_collation(collation_name, x_compare)
}
/// `feature = "collation"` Collation needed callback
/// Collation needed callback
#[inline]
pub fn collation_needed(
&self,
@ -34,7 +34,7 @@ impl Connection {
self.db.borrow_mut().collation_needed(x_coll_needed)
}
/// `feature = "collation"` Remove collation.
/// Remove collation.
#[inline]
pub fn remove_collation(&self, collation_name: &str) -> Result<()> {
self.db.borrow_mut().remove_collation(collation_name)

1
src/column.rs
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@ -132,6 +132,7 @@ impl Statement<'_> {
/// sure that current statement has already been stepped once before
/// calling this method.
#[cfg(feature = "column_decltype")]
#[cfg_attr(docsrs, doc(cfg(feature = "column_decltype")))]
pub fn columns(&self) -> Vec<Column> {
let n = self.column_count();
let mut cols = Vec::with_capacity(n as usize);

7
src/error.rs
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@ -72,15 +72,18 @@ pub enum Error {
/// [`functions::Context::get`](crate::functions::Context::get) when the
/// function argument cannot be converted to the requested type.
#[cfg(feature = "functions")]
#[cfg_attr(docsrs, doc(cfg(feature = "functions")))]
InvalidFunctionParameterType(usize, Type),
/// Error returned by [`vtab::Values::get`](crate::vtab::Values::get) when
/// the filter argument cannot be converted to the requested type.
#[cfg(feature = "vtab")]
#[cfg_attr(docsrs, doc(cfg(feature = "vtab")))]
InvalidFilterParameterType(usize, Type),
/// An error case available for implementors of custom user functions (e.g.,
/// [`create_scalar_function`](crate::Connection::create_scalar_function)).
#[cfg(feature = "functions")]
#[cfg_attr(docsrs, doc(cfg(feature = "functions")))]
#[allow(dead_code)]
UserFunctionError(Box<dyn error::Error + Send + Sync + 'static>),
@ -94,11 +97,13 @@ pub enum Error {
/// An error case available for implementors of custom modules (e.g.,
/// [`create_module`](crate::Connection::create_module)).
#[cfg(feature = "vtab")]
#[cfg_attr(docsrs, doc(cfg(feature = "vtab")))]
#[allow(dead_code)]
ModuleError(String),
/// An unwinding panic occurs in an UDF (user-defined function).
#[cfg(feature = "functions")]
#[cfg_attr(docsrs, doc(cfg(feature = "functions")))]
UnwindingPanic,
/// An error returned when
@ -106,6 +111,7 @@ pub enum Error {
/// retrieve data of a different type than what had been stored using
/// [`Context::set_aux`](crate::functions::Context::set_aux).
#[cfg(feature = "functions")]
#[cfg_attr(docsrs, doc(cfg(feature = "functions")))]
GetAuxWrongType,
/// Error when the SQL contains multiple statements.
@ -120,6 +126,7 @@ pub enum Error {
/// [`Blob::raw_read_at_exact`](crate::blob::Blob::raw_read_at_exact) will
/// return it if the blob has insufficient data.
#[cfg(feature = "blob")]
#[cfg_attr(docsrs, doc(cfg(feature = "blob")))]
BlobSizeError,
}

18
src/functions.rs
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@ -1,4 +1,4 @@
//! `feature = "functions"` Create or redefine SQL functions.
//! Create or redefine SQL functions.
//!
//! # Example
//!
@ -104,7 +104,7 @@ unsafe extern "C" fn free_boxed_value<T>(p: *mut c_void) {
drop(Box::from_raw(p as *mut T));
}
/// `feature = "functions"` Context is a wrapper for the SQLite function
/// Context is a wrapper for the SQLite function
/// evaluation context.
pub struct Context<'a> {
ctx: *mut sqlite3_context,
@ -260,7 +260,7 @@ impl Deref for ConnectionRef<'_> {
type AuxInner = Arc<dyn Any + Send + Sync + 'static>;
/// `feature = "functions"` Aggregate is the callback interface for user-defined
/// Aggregate is the callback interface for user-defined
/// aggregate function.
///
/// `A` is the type of the aggregation context and `T` is the type of the final
@ -292,9 +292,10 @@ where
fn finalize(&self, _: &mut Context<'_>, _: Option<A>) -> Result<T>;
}
/// `feature = "window"` WindowAggregate is the callback interface for
/// WindowAggregate is the callback interface for
/// user-defined aggregate window function.
#[cfg(feature = "window")]
#[cfg_attr(docsrs, doc(cfg(feature = "window")))]
pub trait WindowAggregate<A, T>: Aggregate<A, T>
where
A: RefUnwindSafe + UnwindSafe,
@ -341,7 +342,7 @@ impl Default for FunctionFlags {
}
impl Connection {
/// `feature = "functions"` Attach a user-defined scalar function to
/// Attach a user-defined scalar function to
/// this database connection.
///
/// `fn_name` is the name the function will be accessible from SQL.
@ -395,7 +396,7 @@ impl Connection {
.create_scalar_function(fn_name, n_arg, flags, x_func)
}
/// `feature = "functions"` Attach a user-defined aggregate function to this
/// Attach a user-defined aggregate function to this
/// database connection.
///
/// # Failure
@ -419,12 +420,13 @@ impl Connection {
.create_aggregate_function(fn_name, n_arg, flags, aggr)
}
/// `feature = "window"` Attach a user-defined aggregate window function to
/// Attach a user-defined aggregate window function to
/// this database connection.
///
/// See `https://sqlite.org/windowfunctions.html#udfwinfunc` for more
/// information.
#[cfg(feature = "window")]
#[cfg_attr(docsrs, doc(cfg(feature = "window")))]
#[inline]
pub fn create_window_function<A, W, T>(
&self,
@ -443,7 +445,7 @@ impl Connection {
.create_window_function(fn_name, n_arg, flags, aggr)
}
/// `feature = "functions"` Removes a user-defined function from this
/// Removes a user-defined function from this
/// database connection.
///
/// `fn_name` and `n_arg` should match the name and number of arguments

20
src/hooks.rs
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@ -1,4 +1,4 @@
//! `feature = "hooks"` Commit, Data Change and Rollback Notification Callbacks
//! 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};
/// `feature = "hooks"` Action Codes
/// Action Codes
#[derive(Clone, Copy, Debug, PartialEq)]
#[repr(i32)]
#[non_exhaustive]
@ -37,7 +37,7 @@ impl From<i32> for Action {
}
}
/// `feature = "hooks"` The context recieved by an authorizer hook.
/// The context recieved by an authorizer hook.
///
/// See <https://sqlite.org/c3ref/set_authorizer.html> for more info.
#[derive(Clone, Copy, Debug, PartialEq)]
@ -53,7 +53,7 @@ pub struct AuthContext<'c> {
pub accessor: Option<&'c str>,
}
/// `feature = "hooks"` Actions and arguments found within a statement during
/// Actions and arguments found within a statement during
/// preparation.
///
/// See <https://sqlite.org/c3ref/c_alter_table.html> for more info.
@ -295,7 +295,7 @@ impl<'c> AuthAction<'c> {
pub(crate) type BoxedAuthorizer =
Box<dyn for<'c> FnMut(AuthContext<'c>) -> Authorization + Send + 'static>;
/// `feature = "hooks"` A transaction operation.
/// A transaction operation.
#[derive(Clone, Copy, Debug, PartialEq)]
#[non_exhaustive]
#[allow(missing_docs)]
@ -340,7 +340,7 @@ impl Authorization {
}
impl Connection {
/// `feature = "hooks"` Register a callback function to be invoked whenever
/// Register a callback function to be invoked whenever
/// a transaction is committed.
///
/// The callback returns `true` to rollback.
@ -352,7 +352,7 @@ impl Connection {
self.db.borrow_mut().commit_hook(hook);
}
/// `feature = "hooks"` Register a callback function to be invoked whenever
/// Register a callback function to be invoked whenever
/// a transaction is committed.
///
/// The callback returns `true` to rollback.
@ -364,7 +364,7 @@ impl Connection {
self.db.borrow_mut().rollback_hook(hook);
}
/// `feature = "hooks"` Register a callback function to be invoked whenever
/// Register a callback function to be invoked whenever
/// a row is updated, inserted or deleted in a rowid table.
///
/// The callback parameters are:
@ -382,7 +382,7 @@ impl Connection {
self.db.borrow_mut().update_hook(hook);
}
/// `feature = "hooks"` Register a query progress callback.
/// Register a query progress callback.
///
/// The parameter `num_ops` is the approximate number of virtual machine
/// instructions that are evaluated between successive invocations of the
@ -397,7 +397,7 @@ impl Connection {
self.db.borrow_mut().progress_handler(num_ops, handler);
}
/// `feature = "hooks"` Register an authorizer callback that's invoked
/// Register an authorizer callback that's invoked
/// as a statement is being prepared.
#[inline]
pub fn authorizer<'c, F>(&self, hook: Option<F>)

20
src/lib.rs
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@ -48,6 +48,7 @@
//! }
//! ```
#![warn(missing_docs)]
#![cfg_attr(docsrs, feature(doc_cfg))]
pub use libsqlite3_sys as ffi;
@ -86,23 +87,29 @@ pub use crate::version::*;
mod error;
#[cfg(feature = "backup")]
#[cfg_attr(docsrs, doc(cfg(feature = "backup")))]
pub mod backup;
#[cfg(feature = "blob")]
#[cfg_attr(docsrs, doc(cfg(feature = "blob")))]
pub mod blob;
mod busy;
mod cache;
#[cfg(feature = "collation")]
#[cfg_attr(docsrs, doc(cfg(feature = "collation")))]
mod collation;
mod column;
pub mod config;
#[cfg(any(feature = "functions", feature = "vtab"))]
mod context;
#[cfg(feature = "functions")]
#[cfg_attr(docsrs, doc(cfg(feature = "functions")))]
pub mod functions;
#[cfg(feature = "hooks")]
#[cfg_attr(docsrs, doc(cfg(feature = "hooks")))]
pub mod hooks;
mod inner_connection;
#[cfg(feature = "limits")]
#[cfg_attr(docsrs, doc(cfg(feature = "limits")))]
pub mod limits;
#[cfg(feature = "load_extension")]
mod load_extension_guard;
@ -111,15 +118,18 @@ mod pragma;
mod raw_statement;
mod row;
#[cfg(feature = "session")]
#[cfg_attr(docsrs, doc(cfg(feature = "session")))]
pub mod session;
mod statement;
#[cfg(feature = "trace")]
#[cfg_attr(docsrs, doc(cfg(feature = "trace")))]
pub mod trace;
mod transaction;
pub mod types;
mod unlock_notify;
mod version;
#[cfg(feature = "vtab")]
#[cfg_attr(docsrs, doc(cfg(feature = "vtab")))]
pub mod vtab;
pub(crate) mod util;
@ -712,7 +722,7 @@ impl Connection {
r.map_err(move |err| (self, err))
}
/// `feature = "load_extension"` Enable loading of SQLite extensions.
/// Enable loading of SQLite extensions.
/// Strongly consider using `LoadExtensionGuard` instead of this function.
///
/// ## Example
@ -731,12 +741,13 @@ impl Connection {
///
/// Will return `Err` if the underlying SQLite call fails.
#[cfg(feature = "load_extension")]
#[cfg_attr(docsrs, doc(cfg(feature = "load_extension")))]
#[inline]
pub fn load_extension_enable(&self) -> Result<()> {
self.db.borrow_mut().enable_load_extension(1)
}
/// `feature = "load_extension"` Disable loading of SQLite extensions.
/// Disable loading of SQLite extensions.
///
/// See `load_extension_enable` for an example.
///
@ -744,12 +755,13 @@ impl Connection {
///
/// Will return `Err` if the underlying SQLite call fails.
#[cfg(feature = "load_extension")]
#[cfg_attr(docsrs, doc(cfg(feature = "load_extension")))]
#[inline]
pub fn load_extension_disable(&self) -> Result<()> {
self.db.borrow_mut().enable_load_extension(0)
}
/// `feature = "load_extension"` Load the SQLite extension at `dylib_path`.
/// Load the SQLite extension at `dylib_path`.
/// `dylib_path` is passed through to `sqlite3_load_extension`, which may
/// attempt OS-specific modifications if the file cannot be loaded directly.
///
@ -773,6 +785,7 @@ impl Connection {
///
/// Will return `Err` if the underlying SQLite call fails.
#[cfg(feature = "load_extension")]
#[cfg_attr(docsrs, doc(cfg(feature = "load_extension")))]
#[inline]
pub fn load_extension<P: AsRef<Path>>(
&self,
@ -851,6 +864,7 @@ impl Connection {
/// Determine if all associated prepared statements have been reset.
#[inline]
#[cfg(feature = "modern_sqlite")] // 3.8.6
#[cfg_attr(docsrs, doc(cfg(feature = "modern_sqlite")))]
pub fn is_busy(&self) -> bool {
self.db.borrow().is_busy()
}

6
src/limits.rs
View File

@ -1,4 +1,4 @@
//! `feature = "limits"` Run-Time Limits
//! Run-Time Limits
use std::os::raw::c_int;
@ -8,14 +8,14 @@ pub use crate::ffi::Limit;
use crate::Connection;
impl Connection {
/// `feature = "limits"` Returns the current value of a limit.
/// Returns the current value of a limit.
#[inline]
pub fn limit(&self, limit: Limit) -> i32 {
let c = self.db.borrow();
unsafe { ffi::sqlite3_limit(c.db(), limit as c_int, -1) }
}
/// `feature = "limits"` Changes the limit to `new_val`, returning the prior
/// Changes the limit to `new_val`, returning the prior
/// value of the limit.
#[inline]
pub fn set_limit(&self, limit: Limit, new_val: i32) -> i32 {

3
src/load_extension_guard.rs
View File

@ -1,6 +1,6 @@
use crate::{Connection, Result};
/// `feature = "load_extension"` RAII guard temporarily enabling SQLite
/// RAII guard temporarily enabling SQLite
/// extensions to be loaded.
///
/// ## Example
@ -14,6 +14,7 @@ use crate::{Connection, Result};
/// conn.load_extension(Path::new("my_sqlite_extension"), None)
/// }
/// ```
#[cfg_attr(docsrs, doc(cfg(feature = "load_extension")))]
pub struct LoadExtensionGuard<'conn> {
conn: &'conn Connection,
}

26
src/session.rs
View File

@ -1,4 +1,4 @@
//! `feature = "session"` [Session Extension](https://sqlite.org/sessionintro.html)
//! [Session Extension](https://sqlite.org/sessionintro.html)
#![allow(non_camel_case_types)]
use std::ffi::CStr;
@ -19,7 +19,7 @@ use crate::{errmsg_to_string, str_to_cstring, Connection, DatabaseName, Result};
// https://sqlite.org/session.html
/// `feature = "session"` An instance of this object is a session that can be
/// An instance of this object is a session that can be
/// used to record changes to a database.
pub struct Session<'conn> {
phantom: PhantomData<&'conn Connection>,
@ -223,7 +223,7 @@ impl Drop for Session<'_> {
}
}
/// `feature = "session"` Invert a changeset
/// Invert a changeset
#[inline]
pub fn invert_strm(input: &mut dyn Read, output: &mut dyn Write) -> Result<()> {
let input_ref = &input;
@ -239,7 +239,7 @@ pub fn invert_strm(input: &mut dyn Read, output: &mut dyn Write) -> Result<()> {
Ok(())
}
/// `feature = "session"` Combine two changesets
/// Combine two changesets
#[inline]
pub fn concat_strm(
input_a: &mut dyn Read,
@ -262,7 +262,7 @@ pub fn concat_strm(
Ok(())
}
/// `feature = "session"` Changeset or Patchset
/// Changeset or Patchset
pub struct Changeset {
cs: *mut c_void,
n: c_int,
@ -313,7 +313,7 @@ impl Drop for Changeset {
}
}
/// `feature = "session"` Cursor for iterating over the elements of a changeset
/// Cursor for iterating over the elements of a changeset
/// or patchset.
pub struct ChangesetIter<'changeset> {
phantom: PhantomData<&'changeset Changeset>,
@ -367,7 +367,7 @@ impl FallibleStreamingIterator for ChangesetIter<'_> {
}
}
/// `feature = "session"`
/// Operation
pub struct Operation<'item> {
table_name: &'item str,
number_of_columns: i32,
@ -410,7 +410,7 @@ impl Drop for ChangesetIter<'_> {
}
}
/// `feature = "session"` An item passed to a conflict-handler by
/// An item passed to a conflict-handler by
/// [`Connection::apply`](crate::Connection::apply), or an item generated by
/// [`ChangesetIter::next`](ChangesetIter::next).
// TODO enum ? Delete, Insert, Update, ...
@ -517,7 +517,7 @@ impl ChangesetItem {
}
}
/// `feature = "session"` Used to combine two or more changesets or
/// Used to combine two or more changesets or
/// patchsets
pub struct Changegroup {
cg: *mut ffi::sqlite3_changegroup,
@ -587,7 +587,7 @@ impl Drop for Changegroup {
}
impl Connection {
/// `feature = "session"` Apply a changeset to a database
/// Apply a changeset to a database
pub fn apply<F, C>(&self, cs: &Changeset, filter: Option<F>, conflict: C) -> Result<()>
where
F: Fn(&str) -> bool + Send + RefUnwindSafe + 'static,
@ -621,7 +621,7 @@ impl Connection {
Ok(())
}
/// `feature = "session"` Apply a changeset to a database
/// Apply a changeset to a database
pub fn apply_strm<F, C>(
&self,
input: &mut dyn Read,
@ -662,7 +662,7 @@ impl Connection {
}
}
/// `feature = "session"` Constants passed to the conflict handler
/// Constants passed to the conflict handler
/// See [here](https://sqlite.org/session.html#SQLITE_CHANGESET_CONFLICT) for details.
#[allow(missing_docs)]
#[repr(i32)]
@ -690,7 +690,7 @@ impl From<i32> for ConflictType {
}
}
/// `feature = "session"` Constants returned by the conflict handler
/// Constants returned by the conflict handler
/// See [here](https://sqlite.org/session.html#SQLITE_CHANGESET_ABORT) for details.
#[allow(missing_docs)]
#[repr(i32)]

1
src/statement.rs
View File

@ -776,6 +776,7 @@ impl Statement<'_> {
/// Returns a string containing the SQL text of prepared statement with
/// bound parameters expanded.
#[cfg(feature = "modern_sqlite")]
#[cfg_attr(docsrs, doc(cfg(feature = "modern_sqlite")))]
pub fn expanded_sql(&self) -> Option<String> {
self.stmt
.expanded_sql()

10
src/trace.rs
View File

@ -1,4 +1,4 @@
//! `feature = "trace"` Tracing and profiling functions. Error and warning log.
//! Tracing and profiling functions. Error and warning log.
use std::ffi::{CStr, CString};
use std::mem;
@ -11,7 +11,7 @@ use super::ffi;
use crate::error::error_from_sqlite_code;
use crate::{Connection, Result};
/// `feature = "trace"` Set up the process-wide SQLite error logging callback.
/// Set up the process-wide SQLite error logging callback.
///
/// # Safety
///
@ -53,7 +53,7 @@ pub unsafe fn config_log(callback: Option<fn(c_int, &str)>) -> Result<()> {
}
}
/// `feature = "trace"` Write a message into the error log established by
/// Write a message into the error log established by
/// `config_log`.
#[inline]
pub fn log(err_code: c_int, msg: &str) {
@ -64,7 +64,7 @@ pub fn log(err_code: c_int, msg: &str) {
}
impl Connection {
/// `feature = "trace"` Register or clear a callback function that can be
/// Register or clear a callback function that can be
/// used for tracing the execution of SQL statements.
///
/// Prepared statement placeholders are replaced/logged with their assigned
@ -89,7 +89,7 @@ impl Connection {
}
}
/// `feature = "trace"` Register or clear a callback function that can be
/// Register or clear a callback function that can be
/// used for profiling the execution of SQL statements.
///
/// There can only be a single profiler defined for each database

8
src/types/from_sql.rs
View File

@ -15,15 +15,17 @@ pub enum FromSqlError {
/// requested type.
OutOfRange(i64),
/// `feature = "i128_blob"` Error returned when reading an `i128` from a
/// Error returned when reading an `i128` from a
/// blob with a size other than 16. Only available when the `i128_blob`
/// feature is enabled.
#[cfg(feature = "i128_blob")]
#[cfg_attr(docsrs, doc(cfg(feature = "i128_blob")))]
InvalidI128Size(usize),
/// `feature = "uuid"` Error returned when reading a `uuid` from a blob with
/// Error returned when reading a `uuid` from a blob with
/// a size other than 16. Only available when the `uuid` feature is enabled.
#[cfg(feature = "uuid")]
#[cfg_attr(docsrs, doc(cfg(feature = "uuid")))]
InvalidUuidSize(usize),
/// An error case available for implementors of the [`FromSql`] trait.
@ -176,6 +178,7 @@ impl FromSql for Vec<u8> {
}
#[cfg(feature = "i128_blob")]
#[cfg_attr(docsrs, doc(cfg(feature = "i128_blob")))]
impl FromSql for i128 {
#[inline]
fn column_result(value: ValueRef<'_>) -> FromSqlResult<Self> {
@ -192,6 +195,7 @@ impl FromSql for i128 {
}
#[cfg(feature = "uuid")]
#[cfg_attr(docsrs, doc(cfg(feature = "uuid")))]
impl FromSql for uuid::Uuid {
#[inline]
fn column_result(value: ValueRef<'_>) -> FromSqlResult<Self> {

4
src/types/mod.rs
View File

@ -75,14 +75,18 @@ pub use self::value_ref::ValueRef;
use std::fmt;
#[cfg(feature = "chrono")]
#[cfg_attr(docsrs, doc(cfg(feature = "chrono")))]
mod chrono;
mod from_sql;
#[cfg(feature = "serde_json")]
#[cfg_attr(docsrs, doc(cfg(feature = "serde_json")))]
mod serde_json;
#[cfg(feature = "time")]
#[cfg_attr(docsrs, doc(cfg(feature = "time")))]
mod time;
mod to_sql;
#[cfg(feature = "url")]
#[cfg_attr(docsrs, doc(cfg(feature = "url")))]
mod url;
mod value;
mod value_ref;

8
src/types/to_sql.rs
View File

@ -16,13 +16,15 @@ pub enum ToSqlOutput<'a> {
/// An owned SQLite-representable value.
Owned(Value),
/// `feature = "blob"` A BLOB of the given length that is filled with
/// A BLOB of the given length that is filled with
/// zeroes.
#[cfg(feature = "blob")]
#[cfg_attr(docsrs, doc(cfg(feature = "blob")))]
ZeroBlob(i32),
/// `feature = "array"`
#[cfg(feature = "array")]
#[cfg_attr(docsrs, doc(cfg(feature = "array")))]
Array(Array),
}
@ -70,9 +72,11 @@ from_value!(Vec<u8>);
// `i128` needs in `Into<Value>`, but it's probably fine for the moment, and not
// worth adding another case to Value.
#[cfg(feature = "i128_blob")]
#[cfg_attr(docsrs, doc(cfg(feature = "i128_blob")))]
from_value!(i128);
#[cfg(feature = "uuid")]
#[cfg_attr(docsrs, doc(cfg(feature = "uuid")))]
from_value!(uuid::Uuid);
impl ToSql for ToSqlOutput<'_> {
@ -162,9 +166,11 @@ to_sql_self!(f32);
to_sql_self!(f64);
#[cfg(feature = "i128_blob")]
#[cfg_attr(docsrs, doc(cfg(feature = "i128_blob")))]
to_sql_self!(i128);
#[cfg(feature = "uuid")]
#[cfg_attr(docsrs, doc(cfg(feature = "uuid")))]
to_sql_self!(uuid::Uuid);
macro_rules! to_sql_self_fallible(

2
src/types/value.rs
View File

@ -41,6 +41,7 @@ impl From<isize> for Value {
}
#[cfg(feature = "i128_blob")]
#[cfg_attr(docsrs, doc(cfg(feature = "i128_blob")))]
impl From<i128> for Value {
#[inline]
fn from(i: i128) -> Value {
@ -54,6 +55,7 @@ impl From<i128> for Value {
}
#[cfg(feature = "uuid")]
#[cfg_attr(docsrs, doc(cfg(feature = "uuid")))]
impl From<uuid::Uuid> for Value {
#[inline]
fn from(id: uuid::Uuid) -> Value {

4
src/vtab/array.rs
View File

@ -1,4 +1,4 @@
//! `feature = "array"` Array Virtual Table.
//! Array Virtual Table.
//!
//! Note: `rarray`, not `carray` is the name of the table valued function we
//! define.
@ -57,7 +57,7 @@ impl ToSql for Array {
}
}
/// `feature = "array"` Register the "rarray" module.
/// Register the "rarray" module.
pub fn load_module(conn: &Connection) -> Result<()> {
let aux: Option<()> = None;
conn.create_module("rarray", eponymous_only_module::<ArrayTab>(), aux)

4
src/vtab/csvtab.rs
View File

@ -1,4 +1,4 @@
//! `feature = "csvtab"` CSV Virtual Table.
//! CSV Virtual Table.
//!
//! Port of [csv](http://www.sqlite.org/cgi/src/finfo?name=ext/misc/csv.c) C
//! extension: `https://www.sqlite.org/csv.html`
@ -35,7 +35,7 @@ use crate::vtab::{
};
use crate::{Connection, Error, Result};
/// `feature = "csvtab"` Register the "csv" module.
/// Register the "csv" module.
/// ```sql
/// CREATE VIRTUAL TABLE vtab USING csv(
/// filename=FILENAME -- Name of file containing CSV content

43
src/vtab/mod.rs
View File

@ -1,4 +1,4 @@
//! `feature = "vtab"` Create virtual tables.
//! Create virtual tables.
//!
//! Follow these steps to create your own virtual table:
//! 1. Write implementation of [`VTab`] and [`VTabCursor`] traits.
@ -57,7 +57,7 @@ use crate::{str_to_cstring, Connection, Error, InnerConnection, Result};
// ffi::sqlite3_vtab => VTab
// ffi::sqlite3_vtab_cursor => VTabCursor
/// `feature = "vtab"` Virtual table module
/// Virtual table module
///
/// (See [SQLite doc](https://sqlite.org/c3ref/module.html))
#[repr(transparent)]
@ -84,7 +84,7 @@ const ZERO_MODULE: ffi::sqlite3_module = unsafe {
.module
};
/// `feature = "vtab"` Create a read-only virtual table implementation.
/// Create a read-only virtual table implementation.
///
/// Step 2 of [Creating New Virtual Table Implementations](https://sqlite.org/vtab.html#creating_new_virtual_table_implementations).
pub fn read_only_module<'vtab, T: CreateVTab<'vtab>>() -> &'static Module<'vtab, T> {
@ -122,7 +122,7 @@ pub fn read_only_module<'vtab, T: CreateVTab<'vtab>>() -> &'static Module<'vtab,
}
}
/// `feature = "vtab"` Create an eponymous only virtual table implementation.
/// Create an eponymous only virtual table implementation.
///
/// Step 2 of [Creating New Virtual Table Implementations](https://sqlite.org/vtab.html#creating_new_virtual_table_implementations).
pub fn eponymous_only_module<'vtab, T: VTab<'vtab>>() -> &'static Module<'vtab, T> {
@ -187,7 +187,7 @@ impl VTabConnection {
}
}
/// `feature = "vtab"` Virtual table instance trait.
/// Virtual table instance trait.
///
/// # Safety
///
@ -228,7 +228,7 @@ pub unsafe trait VTab<'vtab>: Sized {
fn open(&'vtab self) -> Result<Self::Cursor>;
}
/// `feature = "vtab"` Non-eponymous virtual table instance trait.
/// Non-eponymous virtual table instance trait.
///
/// (See [SQLite doc](https://sqlite.org/c3ref/vtab.html))
pub trait CreateVTab<'vtab>: VTab<'vtab> {
@ -257,7 +257,7 @@ pub trait CreateVTab<'vtab>: VTab<'vtab> {
}
}
/// `feature = "vtab"` Index constraint operator.
/// Index constraint operator.
/// See [Virtual Table Constraint Operator Codes](https://sqlite.org/c3ref/c_index_constraint_eq.html) for details.
#[derive(Debug, PartialEq)]
#[allow(non_snake_case, non_camel_case_types, missing_docs)]
@ -302,7 +302,7 @@ impl From<u8> for IndexConstraintOp {
}
}
/// `feature = "vtab"` Pass information into and receive the reply from the
/// Pass information into and receive the reply from the
/// [`VTab::best_index`] method.
///
/// (See [SQLite doc](http://sqlite.org/c3ref/index_info.html))
@ -370,6 +370,7 @@ impl IndexInfo {
/// Estimated number of rows returned.
#[cfg(feature = "modern_sqlite")] // SQLite >= 3.8.2
#[cfg_attr(docsrs, doc(cfg(feature = "modern_sqlite")))]
#[inline]
pub fn set_estimated_rows(&mut self, estimated_rows: i64) {
unsafe {
@ -402,7 +403,7 @@ impl<'a> Iterator for IndexConstraintIter<'a> {
}
}
/// `feature = "vtab"` WHERE clause constraint.
/// WHERE clause constraint.
pub struct IndexConstraint<'a>(&'a ffi::sqlite3_index_constraint);
impl IndexConstraint<'_> {
@ -425,7 +426,7 @@ impl IndexConstraint<'_> {
}
}
/// `feature = "vtab"` Information about what parameters to pass to
/// Information about what parameters to pass to
/// [`VTabCursor::filter`].
pub struct IndexConstraintUsage<'a>(&'a mut ffi::sqlite3_index_constraint_usage);
@ -463,7 +464,7 @@ impl<'a> Iterator for OrderByIter<'a> {
}
}
/// `feature = "vtab"` A column of the ORDER BY clause.
/// A column of the ORDER BY clause.
pub struct OrderBy<'a>(&'a ffi::sqlite3_index_info_sqlite3_index_orderby);
impl OrderBy<'_> {
@ -480,7 +481,7 @@ impl OrderBy<'_> {
}
}
/// `feature = "vtab"` Virtual table cursor trait.
/// Virtual table cursor trait.
///
/// Implementations must be like:
/// ```rust,ignore
@ -514,7 +515,7 @@ pub unsafe trait VTabCursor: Sized {
fn rowid(&self) -> Result<i64>;
}
/// `feature = "vtab"` Context is used by [`VTabCursor::column`] to specify the
/// Context is used by [`VTabCursor::column`] to specify the
/// cell value.
pub struct Context(*mut ffi::sqlite3_context);
@ -530,7 +531,7 @@ impl Context {
// TODO sqlite3_vtab_nochange (http://sqlite.org/c3ref/vtab_nochange.html)
}
/// `feature = "vtab"` Wrapper to [`VTabCursor::filter`] arguments, the values
/// Wrapper to [`VTabCursor::filter`] arguments, the values
/// requested by [`VTab::best_index`].
pub struct Values<'a> {
args: &'a [*mut ffi::sqlite3_value],
@ -560,10 +561,12 @@ impl Values<'_> {
}
FromSqlError::OutOfRange(i) => Error::IntegralValueOutOfRange(idx, i),
#[cfg(feature = "i128_blob")]
#[cfg_attr(docsrs, doc(cfg(feature = "i128_blob")))]
FromSqlError::InvalidI128Size(_) => {
Error::InvalidColumnType(idx, idx.to_string(), value.data_type())
}
#[cfg(feature = "uuid")]
#[cfg_attr(docsrs, doc(cfg(feature = "uuid")))]
FromSqlError::InvalidUuidSize(_) => {
Error::FromSqlConversionFailure(idx, value.data_type(), Box::new(err))
}
@ -573,6 +576,7 @@ impl Values<'_> {
// `sqlite3_value_type` returns `SQLITE_NULL` for pointer.
// So it seems not possible to enhance `ValueRef::from_value`.
#[cfg(feature = "array")]
#[cfg_attr(docsrs, doc(cfg(feature = "array")))]
fn get_array(&self, idx: usize) -> Option<array::Array> {
use crate::types::Value;
let arg = self.args[idx];
@ -630,7 +634,7 @@ impl<'a> Iterator for ValueIter<'a> {
}
impl Connection {
/// `feature = "vtab"` Register a virtual table implementation.
/// Register a virtual table implementation.
///
/// Step 3 of [Creating New Virtual Table
/// Implementations](https://sqlite.org/vtab.html#creating_new_virtual_table_implementations).
@ -680,7 +684,7 @@ impl InnerConnection {
}
}
/// `feature = "vtab"` Escape double-quote (`"`) character occurrences by
/// Escape double-quote (`"`) character occurrences by
/// doubling them (`""`).
pub fn escape_double_quote(identifier: &str) -> Cow<'_, str> {
if identifier.contains('"') {
@ -690,7 +694,7 @@ pub fn escape_double_quote(identifier: &str) -> Cow<'_, str> {
Borrowed(identifier)
}
}
/// `feature = "vtab"` Dequote string
/// Dequote string
pub fn dequote(s: &str) -> &str {
if s.len() < 2 {
return s;
@ -703,7 +707,7 @@ pub fn dequote(s: &str) -> &str {
_ => s,
}
}
/// `feature = "vtab"` The boolean can be one of:
/// The boolean can be one of:
/// ```text
/// 1 yes true on
/// 0 no false off
@ -1072,10 +1076,13 @@ fn alloc(s: &str) -> *mut c_char {
}
#[cfg(feature = "array")]
#[cfg_attr(docsrs, doc(cfg(feature = "array")))]
pub mod array;
#[cfg(feature = "csvtab")]
#[cfg_attr(docsrs, doc(cfg(feature = "csvtab")))]
pub mod csvtab;
#[cfg(feature = "series")]
#[cfg_attr(docsrs, doc(cfg(feature = "series")))]
pub mod series; // SQLite >= 3.9.0
#[cfg(test)]

4
src/vtab/series.rs
View File

@ -1,4 +1,4 @@
//! `feature = "series"` Generate series virtual table.
//! Generate series virtual table.
//!
//! Port of C [generate series
//! "function"](http://www.sqlite.org/cgi/src/finfo?name=ext/misc/series.c):
@ -15,7 +15,7 @@ use crate::vtab::{
};
use crate::{Connection, Error, Result};
/// `feature = "series"` Register the "generate_series" module.
/// Register the "generate_series" module.
pub fn load_module(conn: &Connection) -> Result<()> {
let aux: Option<()> = None;
conn.create_module("generate_series", eponymous_only_module::<SeriesTab>(), aux)