chore: add additional details and update link in notebooks (#62)

Author: jackwotherspoon

docs/vector_store.ipynb

@@ -29,7 +29,7 @@
         "\n",
         " * [Create a Google Cloud Project](https://developers.google.com/workspace/guides/create-project)\n",
         " * [Enable the Cloud SQL Admin API.](https://console.cloud.google.com/flows/enableapi?apiid=sqladmin.googleapis.com)\n",
-        " * [Create a Cloud SQL instance.](https://cloud.google.com/sql/docs/mysql/connect-instance-auth-proxy#create-instance) (version must be >= 8.0.36)\n",
+        " * [Create a Cloud SQL instance.](https://cloud.google.com/sql/docs/mysql/connect-instance-auth-proxy#create-instance) (version must be >= **8.0.36** with **cloudsql_vector** database flag configured to \"On\")\n",
         " * [Create a Cloud SQL database.](https://cloud.google.com/sql/docs/mysql/create-manage-databases)\n",
         " * [Add a User to the database.](https://cloud.google.com/sql/docs/mysql/create-manage-users)"
       ]
@@ -154,7 +154,11 @@
       },
       "source": [
         "### Set Cloud SQL database values\n",
-        "Find your database values, in the [Cloud SQL Instances page](https://console.cloud.google.com/sql?_ga=2.223735448.2062268965.1707700487-2088871159.1707257687)."
+        "Find your database values, in the [Cloud SQL Instances page](https://console.cloud.google.com/sql?_ga=2.223735448.2062268965.1707700487-2088871159.1707257687).\n",
+        "\n",
+        "**Note:** MySQL vector support is only available on MySQL instances with version **>= 8.0.36**.\n",
+        "\n",
+        "For existing instances, you may need to perform a [self-service maintenance update](https://cloud.google.com/sql/docs/mysql/self-service-maintenance) to update your maintenance version to **MYSQL_8_0_36.R20240401.03_00** or greater. Once updated, [configure your database flags](https://cloud.google.com/sql/docs/mysql/flags) to have the new **cloudsql_vector** flag to \"On\"."
       ]
     },
     {
@@ -237,7 +241,7 @@
       "source": [
         "engine.init_vectorstore_table(\n",
         "    table_name=TABLE_NAME,\n",
-        "    vector_size=768,  # Vector size for VertexAI model(textembedding-gecko@latest),\n",
+        "    vector_size=768,  # Vector size for VertexAI model(textembedding-gecko@latest)\n",
         ")"
       ]
     },
@@ -439,7 +443,16 @@
       },
       "source": [
         "### Add an index\n",
-        "Speed up vector search queries by applying a vector index. Learn more about [MySQL vector indexes](https://github.com/googleapis/langchain-google-cloud-sql-mysql-python/blob/main/src/langchain_google_cloud_sql_mysql/indexes.py)."
+        "Speed up vector search queries by applying a vector index. Learn more about [MySQL vector indexes](https://github.com/googleapis/langchain-google-cloud-sql-mysql-python/blob/main/src/langchain_google_cloud_sql_mysql/indexes.py).\n",
+        "\n",
+        "**Note:** For IAM database authentication (default usage), the IAM database user will need to be granted the following permissions by a privileged database user for full control of vector indexes.\n",
+        "\n",
+        "```\n",
+        "GRANT EXECUTE ON PROCEDURE mysql.create_vector_index TO '<IAM_DB_USER>'@'%';\n",
+        "GRANT EXECUTE ON PROCEDURE mysql.alter_vector_index TO '<IAM_DB_USER>'@'%';\n",
+        "GRANT EXECUTE ON PROCEDURE mysql.drop_vector_index TO '<IAM_DB_USER>'@'%';\n",
+        "GRANT SELECT ON mysql.vector_indexes TO '<IAM_DB_USER>'@'%';\n",
+        "```"
       ]
     },
     {

samples/langchain_quick_start.ipynb

@@ -273,7 +273,7 @@
     "\n",
     "**Note:** MySQL vector support is only available on MySQL instances with version **>= 8.0.36**.\n",
     "\n",
-    "> For existing instances, you may need to perform a [self-service maintenance update](MYSQL_8_0_36.R20240401.03_00) to update your maintenance version to **MYSQL_8_0_36.R20240401.03_00** or greater. Once updated, [configure your database flags](https://cloud.google.com/sql/docs/mysql/flags) to have thew new **cloudsql_vector** flag to \"On\".\n",
+    "> For existing instances, you may need to perform a [self-service maintenance update](https://cloud.google.com/sql/docs/mysql/self-service-maintenance) to update your maintenance version to **MYSQL_8_0_36.R20240401.03_00** or greater. Once updated, [configure your database flags](https://cloud.google.com/sql/docs/mysql/flags) to have thew new **cloudsql_vector** flag to \"On\".\n",
     "\n",
     "> ⏳ - Creating a Cloud SQL instance may take a few minutes."
    ]
@@ -287,7 +287,7 @@
    },
    "outputs": [],
    "source": [
-    "#@markdown Please fill in the both the Google Cloud region and name of your Cloud SQL instance. Once filled in, run the cell.\n",
+    "#@markdown Please fill in both the Google Cloud region and name of your Cloud SQL instance. Once filled in, run the cell.\n",
     "\n",
     "# Please fill in these values.\n",
     "REGION = \"us-central1\" #@param {type:\"string\"}\n",