chore: set SQLX_OFFLINE=true (#587)

we are preparing anyways and without `SQLX_OFFLINE`, offline builds have to remove the `.env` file first (e.g. homebrew)

Author: psteinroe

.env

@@ -1 +1,2 @@
+SQLX_OFFLINE=true
 DATABASE_URL=postgresql://postgres:postgres@127.0.0.1:5432/postgres

.gitattributes

@@ -0,0 +1,4 @@
+# Ensure consistent line endings for SQL files across all platforms
+# This is required for sqlx offline mode to generate consistent query hashes
+# see https://github.com/launchbadge/sqlx/issues/1494
+*.sql text eol=lf

.github/workflows/pull_request.yml

@@ -12,6 +12,7 @@ on:
  - "Cargo.lock"
  - "rust-toolchain.toml"
  - "rustfmt.toml"
+ - ".env"
  # or in js packages
  - "packages/**"
  # or in workflows

crates/pgls_lsp/tests/server.rs

@@ -858,19 +858,18 @@ async fn test_execute_statement(test_db: PgPool) -> Result<()> {
  server.load_configuration().await?;
 
  let users_tbl_exists = async || {
- let result = sqlx::query!(
+ sqlx::query_scalar::<_, bool>(
  r#"
  select exists (
- select 1 as exists
+ select 1
  from pg_catalog.pg_tables
  where tablename = 'users'
- );
- "#
+ )
+ "#,
  )
  .fetch_one(&test_db.clone())
- .await;
-
- result.unwrap().exists.unwrap()
+ .await
+ .unwrap()
  };
 
  assert!(