Allow pgClassExpressions to be embedded directly into SQL expressions (…

…#2091)
graphile · Jun 13, 2024 · b1ffe28 · b1ffe28
2 parents 87d3ffd + 590b6fd
commit b1ffe28
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diff --git a/.changeset/empty-needles-press.md b/.changeset/empty-needles-press.md
@@ -0,0 +1,6 @@
+---
+"@dataplan/pg": patch
+---
+
+Allow `PgClassExpressionStep` instances to be embedded directly into SQL
+expressions.
diff --git a/grafast/dataplan-pg/src/steps/pgClassExpression.ts b/grafast/dataplan-pg/src/steps/pgClassExpression.ts
@@ -1,7 +1,7 @@
 import type { UnbatchedExecutionExtra } from "grafast";
 import { access, exportAs, UnbatchedExecutableStep } from "grafast";
 import type { SQL } from "pg-sql2";
-import sql from "pg-sql2";
+import sql, { $$toSQL } from "pg-sql2";
 
 import type { PgResource } from "../datasource.js";
 import type {
@@ -254,6 +254,10 @@ export class PgClassExpressionStep<
     );
   }
 
+  public [$$toSQL](): SQL {
+    return this.expression;
+  }
+
   public toSQL(): SQL {
     return this.expression;
   }