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Refine the usage example

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This commit is contained in:
Ivan Ukhov 2016-06-16 10:55:14 +02:00
parent 7778cd4be3
commit 137ce0e7fe
2 changed files with 11 additions and 8 deletions
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10
README.md
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@ -6,7 +6,7 @@ The package provides an interface to [SQLite][1].
## Example ## Example
Open a connection, create a table, and insert a couple of rows: Open a connection, create a table, and insert some rows:
```rust ```rust
let connection = sqlite::open(":memory:").unwrap(); let connection = sqlite::open(":memory:").unwrap();
@ -18,7 +18,7 @@ connection.execute("
").unwrap(); ").unwrap();
``` ```
Select a row from the table: Select some rows and process them one by one as plain text:
```rust ```rust
connection.iterate("SELECT * FROM users WHERE age > 50", |pairs| { connection.iterate("SELECT * FROM users WHERE age > 50", |pairs| {
@ -29,7 +29,8 @@ connection.iterate("SELECT * FROM users WHERE age > 50", |pairs| {
}).unwrap(); }).unwrap();
``` ```
The same query using a prepared statement: The same query using a prepared statement, which is much more efficient than the
previous technique:
```rust ```rust
use sqlite::State; use sqlite::State;
@ -46,7 +47,8 @@ while let State::Row = statement.next().unwrap() {
} }
``` ```
The same query using a cursor, which is a wrapper around a prepared statement: The same query using a cursor, which is a wrapper around a prepared statement
providing the concept of row and featuring all-at-once binding:
```rust ```rust
use sqlite::Value; use sqlite::Value;

9
src/lib.rs
View File

@ -2,7 +2,7 @@
//! //!
//! ## Example //! ## Example
//! //!
//! Open a connection, create a table, and insert a couple of rows: //! Open a connection, create a table, and insert some rows:
//! //!
//! ``` //! ```
//! let connection = sqlite::open(":memory:").unwrap(); //! let connection = sqlite::open(":memory:").unwrap();
@ -14,7 +14,7 @@
//! ").unwrap(); //! ").unwrap();
//! ``` //! ```
//! //!
//! Select a row from the table: //! Select some rows and process them one by one as plain text:
//! //!
//! ``` //! ```
//! # let connection = sqlite::open(":memory:").unwrap(); //! # let connection = sqlite::open(":memory:").unwrap();
@ -31,7 +31,8 @@
//! }).unwrap(); //! }).unwrap();
//! ``` //! ```
//! //!
//! The same query using a prepared statement: //! The same query using a prepared statement, which is much more efficient than
//! the previous technique:
//! //!
//! ``` //! ```
//! use sqlite::State; //! use sqlite::State;
@ -55,7 +56,7 @@
//! ``` //! ```
//! //!
//! The same query using a cursor, which is a wrapper around a prepared //! The same query using a cursor, which is a wrapper around a prepared
//! statement: //! statement providing the concept of row and featuring all-at-once binding:
//! //!
//! ``` //! ```
//! use sqlite::Value; //! use sqlite::Value;