diesel::debug_sql!
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[src]
macro_rules! debug_sql { ($query:expr) => { ... }; }
Takes a query QueryFragment expression as an argument and returns a string of SQL with placeholders for the dynamic values.
Example
Returning SQL from a count statment:
```rust
// example requires setup for users table
use diesel::users::dsl::*;
use diesel::query_builder::QueryFragment;
fn main() {
let sql = debug_sql!(users.count()); assert_eq!(sql, "SELECT COUNT(*) FROM users");