Update Recursive Triggers

ADD: Multiple Key

Author: gjrtimmer

README.md

@@ -79,7 +79,7 @@ Boolean values can be one of:
 | Case Sensitive LIKE | `_cslike` | `boolean` | For more information see [PRAGMA case_sensitive_like](https://www.sqlite.org/pragma.html#pragma_case_sensitive_like) |
 | Foreign Keys | `_foreign_keys` \| `_fk` | `boolean` | For more information see [PRAGMA foreign_keys](https://www.sqlite.org/pragma.html#pragma_foreign_keys) |
 | Mutex Locking | `_mutex` | <ul><li>no</li><li>full</li></ul> | Specify mutex mode. |
-| Recursive Triggers | `_recursive_triggers` | `boolean` | For more information see [PRAGMA recursive_triggers](https://www.sqlite.org/pragma.html#pragma_recursive_triggers) |
+| Recursive Triggers | `_recursive_triggers` \| `_rt` | `boolean` | For more information see [PRAGMA recursive_triggers](https://www.sqlite.org/pragma.html#pragma_recursive_triggers) |
 | Shared-Cache Mode | `cache` | <ul><li>shared</li><li>private</li></ul> | Set cache mode for more information see [sqlite.org](https://www.sqlite.org/sharedcache.html) |
 | Time Zone Location | `_loc` | auto | Specify location of time format. |
 | Transaction Lock | `_txlock` | <ul><li>immediate</li><li>deferred</li><li>exclusive</li></ul> | Specify locking behavior for transactions. |

sqlite3.go

@@ -961,7 +961,14 @@ func (d *SQLiteDriver) Open(dsn string) (driver.Conn, error) {
 		//
 		// https://www.sqlite.org/pragma.html#pragma_recursive_triggers
 		//
-		if val := params.Get("_recursive_triggers"); val != "" {
+		pkey = "" // Reset pkey
+		if _, ok := params["_recursive_triggers"]; ok {
+			pkey = "_recursive_triggers"
+		}
+		if _, ok := params["_rt"]; ok {
+			pkey = "_rt"
+		}
+		if val := params.Get(pkey); val != "" {
 			switch strings.ToLower(val) {
 			case "0", "no", "false", "off":
 				recursiveTriggers = 0