syndesizer: assert SQL results to a seperate cap

README.md

@@ -146,9 +146,11 @@ let ?sqlspace = dataspace
    }>
 ]
 
-$sqlspace <query example-row "SELECT id, name FROM stuff">
+let ?tuplespace = dataspace
 
-$sqlspace ? <example-row ?id ?name> [
+$sqlspace <query example-row "SELECT id, name FROM stuff" $tuplespace>
+
+$tuplespace ? <example-row ?id ?name> [
   $log ! <log "-" { row: <example-row $id $name> }>
 ]
 ```
@@ -193,9 +195,11 @@ let ?sqlspace = dataspace
   }>
 ]
 
-$sqlspace <query example-row "SELECT id, name FROM stuff">
+let ?tuplespace = dataspace
 
-$sqlspace ? <example-row ?id ?name> [
+$sqlspace <query example-row "SELECT id, name FROM stuff" $tuplespace>
+
+$tuplespace ? <example-row ?id ?name> [
   $log ! <log "-" { row: <example-row $id $name> }>
 ]
 ```

sql.prs

@@ -1,6 +1,5 @@
 version 1 .
 
-# When asserted the actor reponds with
+# When asserted the actor reponds to @target rows as records
-# rows as records of the given label and
+# of the given label and row columns as record fields.
-# row columns as record fields.
+Query = <query @label any @statement string @target #!any> .
-Query = <query @label any @statement string> .

src/schema/sql.nim

@@ -6,6 +6,7 @@ type
   Query* {.preservesRecord: "query".} = object
     `label`*: Value
     `statement`*: string
+    `target`* {.preservesEmbedded.}: Value
 
 proc `$`*(x: Query): string =
   `$`(toPreserves(x))

src/syndesizer/postgre_actor.nim

@@ -103,7 +103,7 @@ proc spawnPostgreActor*(turn: var Turn; root: Cap): Actor {.discardable.} =
       statusHandle = publish(turn, ds,
           initRecord("status", toSymbol($status), msg.toPreserves))
       if status == CONNECTION_OK:
-        during(turn, ds, ?:Query) do (label: Value, statement: string):
+        during(turn, ds, ?:Query) do (label: Value, statement: string, target: Cap):
           var res = PQexec(conn, statement)
           var st = PQresultStatus(res)
           discard publish(turn, ds, toRecord(
@@ -116,7 +116,7 @@ proc spawnPostgreActor*(turn: var Turn; root: Cap): Actor {.discardable.} =
                 var rec = initRecord(label, fields)
                 for f in 0..<fields:
                   rec[f] = toPreserves($PQgetvalue(res, r, f))
-                discard publish(turn, ds, rec)
+                discard publish(turn, target, rec)
           PQclear(res)
       else:
         stderr.writeLine "refusing to do anything when status is ", status

src/syndesizer/sqlite_actor.nim

@@ -85,7 +85,7 @@ proc spawnSqliteActor*(turn: var Turn; root: Cap): Actor {.discardable.} =
       if open_v2(path, addr db, SQLITE_OPEN_READONLY, nil) != SQLITE_OK:
         logError(db, path)
       else:
-        during(turn, ds, ?:Query) do (label: Value, statement: string):
+        during(turn, ds, ?:Query) do (label: Value, statement: string, target: Cap):
           var stmt: Stmt
           if prepare_v2(db, statement, statement.len.cint, addr stmt, nil) != SQLITE_OK:
             logError(db, statement)
@@ -95,7 +95,7 @@ proc spawnSqliteActor*(turn: var Turn; root: Cap): Actor {.discardable.} =
               var res = step(stmt)
               while res == SQLITE_ROW:
                 var rec = extractRecord(stmt, label, arity)
-                discard publish(turn, ds, rec)
+                discard publish(turn, target, rec)
                 res = step(stmt)
               assert res != 100
               if res != SQLITE_DONE:

syndicate_utils.nimble

@@ -1,6 +1,6 @@
 # Package
 
-version = "20240114"
+version = "20240116"
 author        = "Emery Hemingway"
 description   = "Utilites for Syndicated Actors and Synit"
 license       = "unlicense"