ARROW-11858: [GLib][Gandiva] Add Gandiva::Filter and related functions

c_glib/doc/gandiva-glib/gandiva-glib-docs.xml

@@ -42,6 +42,14 @@
       <title>Expression</title>
       <xi:include href="xml/expression.xml"/>
     </chapter>
+    <chapter id="filter">
+      <title>Filter</title>
+      <xi:include href="xml/filter.xml"/>
+    </chapter>
+    <chapter id="selection-vector">
+      <title>Selection vector</title>
+      <xi:include href="xml/selection-vector.xml"/>
+    </chapter>
     <chapter id="projector">
       <title>Projector</title>
       <xi:include href="xml/projector.xml"/>
@@ -92,6 +100,10 @@
     <title>Index of deprecated API</title>
     <xi:include href="xml/api-index-deprecated.xml"><xi:fallback /></xi:include>
   </index>
+  <index id="api-index-4-0-0" role="4.0.0">
+    <title>Index of new symbols in 4.0.0</title>
+    <xi:include href="xml/api-index-4.0.0.xml"><xi:fallback /></xi:include>
+  </index>
   <index id="api-index-1-0-0" role="1.0.0">
     <title>Index of new symbols in 1.0.0</title>
     <xi:include href="xml/api-index-1.0.0.xml"><xi:fallback /></xi:include>

c_glib/gandiva-glib/expression.cpp

@@ -36,6 +36,8 @@ G_BEGIN_DECLS
  * #GGandivaExpression is a class for an expression tree with a root node,
  * and a result field.
  *
+ * #GGandivaCondition is a class for an expression that returns boolean.
+ *
  * Since: 0.12.0
  */
 
@@ -217,6 +219,40 @@ ggandiva_expression_to_string(GGandivaExpression *expression)
   return g_strndup(string.data(), string.size());
 }
 
+
+G_DEFINE_TYPE(GGandivaCondition,
+              ggandiva_condition,
+              GGANDIVA_TYPE_EXPRESSION)
+
+static void
+ggandiva_condition_init(GGandivaCondition *object)
+{
+}
+
+static void
+ggandiva_condition_class_init(GGandivaConditionClass *klass)
+{
+}
+
+/**
+ * ggandiva_condition_new:
+ * @root_node: The root node for the condition.
+ *
+ * Returns: A newly created #GGandivaCondition.
+ *
+ * Since: 4.0.0
+ */
+GGandivaCondition *
+ggandiva_condition_new(GGandivaNode *root_node)
+{
+  auto gandiva_root_node = ggandiva_node_get_raw(root_node);
+  auto gandiva_condition =
+    gandiva::TreeExprBuilder::MakeCondition(gandiva_root_node);
+  return ggandiva_condition_new_raw(&gandiva_condition,
+                                    root_node);
+}
+
+
 G_END_DECLS
 
 GGandivaExpression *
@@ -238,3 +274,25 @@ ggandiva_expression_get_raw(GGandivaExpression *expression)
   auto priv = GGANDIVA_EXPRESSION_GET_PRIVATE(expression);
   return priv->expression;
 }
+
+
+GGandivaCondition *
+ggandiva_condition_new_raw(std::shared_ptr<gandiva::Condition> *gandiva_condition,
+                           GGandivaNode *root_node)
+{
+  auto arrow_result_field = (*gandiva_condition)->result();
+  auto result_field = garrow_field_new_raw(&arrow_result_field, nullptr);
+  auto condition = g_object_new(GGANDIVA_TYPE_CONDITION,
+                                "expression", gandiva_condition,
+                                "root-node", root_node,
+                                "result-field", result_field,
+                                NULL);
+  return GGANDIVA_CONDITION(condition);
+}
+
+std::shared_ptr<gandiva::Condition>
+ggandiva_condition_get_raw(GGandivaCondition *condition)
+{
+  return std::static_pointer_cast<gandiva::Condition>(
+    ggandiva_expression_get_raw(GGANDIVA_EXPRESSION(condition)));
+}

c_glib/gandiva-glib/expression.h

@@ -37,8 +37,27 @@ struct _GGandivaExpressionClass
   GObjectClass parent_class;
 };
 
-GGandivaExpression *ggandiva_expression_new(GGandivaNode *root_node,
-                                            GArrowField *result_field);
+GGandivaExpression *
+ggandiva_expression_new(GGandivaNode *root_node,
+                        GArrowField *result_field);
 gchar *ggandiva_expression_to_string(GGandivaExpression *expression);
 
+
+#define GGANDIVA_TYPE_CONDITION (ggandiva_condition_get_type())
+G_DECLARE_DERIVABLE_TYPE(GGandivaCondition,
+                         ggandiva_condition,
+                         GGANDIVA,
+                         CONDITION,
+                         GGandivaExpression)
+
+struct _GGandivaConditionClass
+{
+  GGandivaExpressionClass parent_class;
+};
+
+GGANDIVA_AVAILABLE_IN_4_0
+GGandivaCondition *
+ggandiva_condition_new(GGandivaNode *root_node);
+
+
 G_END_DECLS

c_glib/gandiva-glib/expression.hpp

@@ -26,8 +26,14 @@
 
 #include <gandiva-glib/expression.h>
 
-GGandivaExpression
-*ggandiva_expression_new_raw(std::shared_ptr<gandiva::Expression> *gandiva_expression,
-                             GGandivaNode *root_node,
-                             GArrowField *result_field);
+GGandivaExpression *
+ggandiva_expression_new_raw(std::shared_ptr<gandiva::Expression> *gandiva_expression,
+                            GGandivaNode *root_node,
+                            GArrowField *result_field);
 std::shared_ptr<gandiva::Expression> ggandiva_expression_get_raw(GGandivaExpression *expression);
+
+GGandivaCondition
+*ggandiva_condition_new_raw(std::shared_ptr<gandiva::Condition> *gandiva_expression,
+                            GGandivaNode *root_node);
+std::shared_ptr<gandiva::Condition>
+ggandiva_condition_get_raw(GGandivaCondition *condition);