add vector column/index doc, update singlestore doc to rm mysql-core

Author: mitchwadair

src/content/docs/column-types/singlestore.mdx

@@ -560,6 +560,62 @@ CREATE TABLE `table` (
 
 ## ---
 
+### vector
+
+<Section>
+```typescript
+import { singlestoreTable, vector } from "drizzle-orm/singlestore-core";
+
+const table = singlestoreTable('table', {
+	embedding: vector("embedding", { dimensions: 10 }),
+});
+```
+
+```sql
+CREATE TABLE `table` (
+	`embedding` vector(10)
+);
+```
+</Section>
+
+You can specify `elementType` in order to change what element type the vector
+consists of. This can be one of `I8`, `I16`, `I32`, `I64`, `F32`, or `F64`
+
+<Section>
+```typescript
+import { singlestoreTable, vector } from "drizzle-orm/singlestore-core";
+
+const table = singlestoreTable('table', {
+	embedding: vector("embedding", { dimensions: 10, elementType: 'I8' }),
+});
+```
+
+```sql
+CREATE TABLE `table` (
+	`embedding` vector(10, 'I8')
+);
+```
+</Section>
+
+###### Helper functions
+
+There are two helper functions useful for vector search queries in SingleStore:
+
+<Section>
+```typescript
+import { dotProduct, euclideanDistance } from 'drizzle-orm/singlestore-core/expressions';
+
+euclideanDistance(table.column, [3, 1, 2]);
+dotProduct(table.column, [3, 1, 2]);
+```
+```sql
+table.column <-> '[3, 1, 2]'
+table.column <*> '[3, 1, 2]`
+```
+</Section>
+
+## ---
+
 ### Customizing data type
 
 Every column builder has a `.$type()` method, which allows you to customize the data type of the column. This is useful, for example, with unknown or branded types.

src/content/docs/indexes-constraints.mdx

@@ -1118,7 +1118,7 @@ index('name')
   </Tab>
   <Tab>
     <Section>
-    ```typescript copy {9-10}
+    ```typescript copy {8-9}
     import { int, text, index, uniqueIndex, singlestoreTable } from "drizzle-orm/singlestore-core";
 
     export const user = singlestoreTable("user", {
@@ -1139,5 +1139,30 @@ index('name')
     CREATE UNIQUE INDEX `email_idx` ON `user` (`email`);
     ```
     </Section>
+
+    SingleStore also supports indexes on vector columns:
+
+    <Section>
+    ```typescript copy {8-9}
+    import { int, singlestoreTable, vector, vectorIndex } from "drizzle-orm/singlestore-core";
+
+    export const embeddings = singlestoreTable("embeddings", {
+      id: int("id").primaryKey().autoincrement(),
+      embedding: vector("embedding", { dimensions: 10 }).notNull(),
+      embedding2: vector("embedding2", { dimensions: 10 }).notNull(),
+    }, (table) => [
+      vectorIndex("vIdx1").on(table.embedding),
+      vectorIndex("vIdx2", "IVF_PQ").on(table.embedding2).metricType("EUCLIDEAN_DISTANCE").nbits(16),
+    ]);
+    ```
+    ```sql {5-6}
+    CREATE TABLE `embeddings` (
+      ...
+    );
+
+    ALTER TABLE `embeddings` ADD VECTOR INDEX `vIdx1` (`embedding`) INDEX_OPTIONS '{"index_type":"AUTO"}';
+    ALTER TABLE `embeddings` ADD VECTOR INDEX `vIdx2` (`embedding2`) INDEX_OPTIONS '{"index_type":"IVF_PQ","metric_type":"EUCLIDEAN_DISTANCE","nbits":16}';
+    ```
+    </Section>
   </Tab>
 </Tabs>