Implement EXCLUDE in EvaluatingCompiler

partiql · Oct 18, 2023 · 41170c6 · 41170c6
1 parent a3199cf
commit 41170c6
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Showing 7 changed files with 1,126 additions and 44 deletions.
diff --git a/partiql-lang/src/main/kotlin/org/partiql/lang/eval/EvaluatingCompiler.kt b/partiql-lang/src/main/kotlin/org/partiql/lang/eval/EvaluatingCompiler.kt
diff --git a/partiql-lang/src/main/kotlin/org/partiql/lang/eval/ExprValueExtensions.kt b/partiql-lang/src/main/kotlin/org/partiql/lang/eval/ExprValueExtensions.kt
@@ -93,10 +93,12 @@ val ExprValue.orderedNames: List<String>?
 fun ExprValue.asNamed(): Named = object : Named {
     override val name: ExprValue
         get() = this@asNamed
+    override val value = this@asNamed
 }
 
 /** Binds the given name value as a [Named] facet delegate over this [ExprValue]. */
 fun ExprValue.namedValue(nameValue: ExprValue): ExprValue = object : ExprValue by this, Named {
+    override val value = this@namedValue
     override val name = nameValue
     override fun <T : Any?> asFacet(type: Class<T>?): T? =
         downcast(type) ?: this@namedValue.asFacet(type)

diff --git a/partiql-lang/src/main/kotlin/org/partiql/lang/eval/Named.kt b/partiql-lang/src/main/kotlin/org/partiql/lang/eval/Named.kt
@@ -26,4 +26,9 @@ interface Named {
      * a `struct` or an `int` for values that have some ordinal in a collection.
      */
     val name: ExprValue
+
+    /**
+     * TODO ALAN: docs
+     */
+    val value: ExprValue
 }
diff --git a/partiql-lang/src/main/kotlin/org/partiql/lang/eval/StructExprValue.kt b/partiql-lang/src/main/kotlin/org/partiql/lang/eval/StructExprValue.kt
@@ -26,7 +26,7 @@ enum class StructOrdering {
  * Provides a [ExprValueType.STRUCT] implementation lazily backed by a sequence.
  */
 internal open class StructExprValue(
-    private val ordering: StructOrdering,
+    internal val ordering: StructOrdering,
     private val sequence: Sequence<ExprValue>
 ) : BaseExprValue() {