test(sqlx): add operator class tests (41 assertions)

Author: tobyhede

tests/sqlx/fixtures/encryptindex_tables.sql

@@ -0,0 +1,13 @@
+-- Fixture for encryptindex tests
+-- Referenced by: tests/sqlx/tests/encryptindex_tests.rs
+--
+-- Creates a users table with plaintext columns for testing encrypted column
+-- creation and management operations
+
+DROP TABLE IF EXISTS users CASCADE;
+CREATE TABLE users (
+    id bigint GENERATED ALWAYS AS IDENTITY,
+    name TEXT,
+    email INT,
+    PRIMARY KEY(id)
+);