tests: added invalid_params pgx test

Author: victoraugustolls

internal/endtoend/testdata/invalid_params/query.sql renamed to internal/endtoend/testdata/invalid_params/pgx/query.sql

@@ -0,0 +1,13 @@
+CREATE TABLE bar (id serial not null);
+
+-- name: baz :one
+SELECT foo FROM bar WHERE baz = $4;
+
+-- name: bar
+SELECT foo FROM bar WHERE baz = $1 AND baz = $3;
+
+-- name: foo :one
+SELECT foo FROM bar;
+
+-- name: Named :many
+SELECT id FROM bar WHERE id = $1 AND sqlc.arg(named) = true AND id = $5;

internal/endtoend/testdata/invalid_params/sqlc.json renamed to internal/endtoend/testdata/invalid_params/pgx/sqlc.json

@@ -0,0 +1,13 @@
+{
+  "version": "1",
+  "packages": [
+    {
+      "path": "go",
+      "engine": "postgresql",
+      "driver": "pgx/v4",
+      "name": "querytest",
+      "schema": "query.sql",
+      "queries": "query.sql"
+    }
+  ]
+}

internal/endtoend/testdata/invalid_params/stderr.txt renamed to internal/endtoend/testdata/invalid_params/pgx/stderr.txt

@@ -0,0 +1,5 @@
+# package querytest
+query.sql:4:1: could not determine data type of parameter $1
+query.sql:7:1: could not determine data type of parameter $2
+query.sql:10:8: column "foo" does not exist
+query.sql:13:1: query mixes positional parameters ($1) and named parameters (sqlc.arg or @arg)