fix(sqlite): Correctly skip unknown statements

Without updating loc, the unknown statement would be included in the
text of the next query.

Author: kyleconroy

internal/endtoend/testdata/sqlite_skip_todo/db/db.go

@@ -0,0 +1,16 @@
+-- name: PragmaForeignKeysEnable :exec
+PRAGMA foreign_keys = 1;
+
+-- name: ListFoo :many
+SELECT * FROM foo;
+
+-- name: PragmaForeignKeysDisable :exec
+PRAGMA foreign_keys = 0;
+
+-- name: PragmaForeignKeysGet :one
+PRAGMA foreign_keys;
+
+-- name: GetFoo :many
+SELECT * FROM foo
+WHERE bar = ?;
+

internal/endtoend/testdata/sqlite_skip_todo/db/models.go

@@ -0,0 +1,3 @@
+CREATE TABLE foo (
+    bar text
+);

internal/endtoend/testdata/sqlite_skip_todo/db/query.sql.go

@@ -0,0 +1,16 @@
+{
+    "version": "2",
+    "sql": [
+        {
+            "engine": "sqlite",
+            "queries": "query.sql",
+            "schema": "schema.sql",
+            "gen": {
+                "go": {
+                    "package": "db",
+                    "out": "db"
+                }
+            }
+        }
+    ]
+}

internal/endtoend/testdata/sqlite_skip_todo/query.sql

@@ -69,6 +69,7 @@ func (p *Parser) Parse(r io.Reader) ([]ast.Statement, error) {
 			converter := &cc{}
 			out := converter.convert(stmt)
 			if _, ok := out.(*ast.TODO); ok {
+				loc = stmt.GetStop().GetStop() + 2
 				continue
 			}
 			len := (stmt.GetStop().GetStop() + 1) - loc