From c27880c71d2e15c2d911c2bb77db11122cfd9530 Mon Sep 17 00:00:00 2001
From: Ryan Cramer <ryan@processwire.com>
Date: Wed, 4 Aug 2021 14:19:05 -0400
Subject: [PATCH] Fix issue processwire/processwire-issues#1172

---
 .../FieldtypeOptions/FieldtypeOptions.module  | 19 ++++++++++++++++++
 .../SelectableOptionManager.php               | 20 +++++++++++++++++++
 2 files changed, 39 insertions(+)

diff --git a/wire/modules/Fieldtype/FieldtypeOptions/FieldtypeOptions.module b/wire/modules/Fieldtype/FieldtypeOptions/FieldtypeOptions.module
index 198e2e41..d6aa17aa 100644
--- a/wire/modules/Fieldtype/FieldtypeOptions/FieldtypeOptions.module
+++ b/wire/modules/Fieldtype/FieldtypeOptions/FieldtypeOptions.module
@@ -529,6 +529,25 @@ class FieldtypeOptions extends FieldtypeMulti implements Module {
 		$this->wire('fields')->addHookAfter('cloned', $this, 'hookCloned');
 		return parent::___cloneField($field);
 	}
+	
+	/**
+	 * Delete the given field
+	 *
+	 * @param Field $field Field object
+	 * @return bool True on success, false on DB delete failure.
+	 *
+	 */
+	public function ___deleteField(Field $field) {
+		$result = parent::___deleteField($field);
+		try {
+			$this->manager->deleteAllOptionsForField($field);
+		} catch(\Exception $e) {
+			$result = false;
+			$this->error($e->getMessage());
+			$this->trackException($e);
+		}
+		return $result;
+	}
 
 	/**
 	 * Hook called when field is cloned, to clone the selectable options from old field to new field
diff --git a/wire/modules/Fieldtype/FieldtypeOptions/SelectableOptionManager.php b/wire/modules/Fieldtype/FieldtypeOptions/SelectableOptionManager.php
index ae36ba16..51f29b79 100644
--- a/wire/modules/Fieldtype/FieldtypeOptions/SelectableOptionManager.php
+++ b/wire/modules/Fieldtype/FieldtypeOptions/SelectableOptionManager.php
@@ -669,6 +669,26 @@ class SelectableOptionManager extends Wire {
 		return $cnt;
 	}
 
+	/**
+	 * Delete all options for given field
+	 * 
+	 * @param Field $field
+	 * @return int
+	 * @throws WireException
+	 * 
+	 */
+	public function deleteAllOptionsForField(Field $field) {
+		$database = $this->wire()->database;
+		$table = self::optionsTable;
+		$sql = "DELETE FROM `$table` WHERE fields_id=:fields_id";
+		$query = $database->prepare($sql);
+		$query->bindValue(':fields_id', $field->id, \PDO::PARAM_INT);
+		$query->execute();
+		$cnt = $query->rowCount();
+		$this->message("Deleted $cnt row(s) from table $table", Notice::debug);
+		return $cnt;
+	}
+
 	/**
 	 * Add the given option titles for $field
 	 *