Fix #481, Don't extract indices from another schema (#483)

src/kinds/extractTable.test.ts

@@ -4,6 +4,7 @@ import { describe, expect } from "vitest";
 import { test, testWith } from "../tests/useSchema";
 import extractTable, {
   ColumnReference,
+  Index,
   TableCheck,
   TableColumn,
   TableDetails,
@@ -393,5 +394,26 @@ describe("extractTable", () => {
         name: "fk_1",
       });
     });
+
+    test("should not extract indices from another schema", async ({
+      knex: [db],
+    }) => {
+      await db.raw("create table test.some_table (id integer)");
+      await db.raw("create index some_table_id_idx on test.some_table (id)");
+      await db.raw("create schema test2");
+      await db.raw("create table test2.some_table (id integer)");
+      await db.raw("create index some_table_id_idx2 on test2.some_table (id)");
+
+      const result = await extractTable(db, makePgType("some_table"));
+
+      const expected: Index[] = [
+        {
+          isPrimary: false,
+          name: "some_table_id_idx",
+        },
+      ];
+
+      expect(result.columns[0].indices).toStrictEqual(expected);
+    });
   });
 });

src/kinds/query-parts/indexMapQueryPart.ts

@@ -10,14 +10,17 @@ const indexMapQueryPart = `
     pg_class t,
     pg_class i,
     pg_index ix,
-    pg_attribute a
+    pg_attribute a,
+    pg_namespace n
   WHERE
     t.oid = ix.indrelid
     AND i.oid = ix.indexrelid
     AND a.attrelid = t.oid
+    AND n.oid = t.relnamespace
     AND a.attnum = ANY (ix.indkey)
     AND t.relkind = 'r'
     AND t.relname = :table_name
+    AND n.nspname = :schema_name
   GROUP BY
     a.attname
 `;