finos · texodus · Oct 6, 2024 · Oct 5, 2024
diff --git a/cpp/perspective/src/cpp/data_table.cpp b/cpp/perspective/src/cpp/data_table.cpp
@@ -512,6 +512,9 @@ t_data_table::filter_cpp(
                         break;
                     }
 
+                    // TODO we can make this faster by not constructing these on
+                    // every iteration?
+
                     const auto& ft = fterms[cidx];
                     bool tval;
 

diff --git a/cpp/perspective/src/cpp/server.cpp b/cpp/perspective/src/cpp/server.cpp
@@ -1002,12 +1002,12 @@ calculate_num_hidden(const ErasedView& view, const t_view_config& config) {
 template <typename A>
 static t_tscalar
 coerce_to(const t_dtype dtype, const A& val) {
-    if constexpr (std::is_same_v<A, std::string>) {
+    if constexpr (std::is_same_v<A, const char*>) {
         t_tscalar scalar;
         scalar.clear();
         switch (dtype) {
             case DTYPE_STR:
-                scalar.set(val.c_str());
+                scalar.set(val);
                 return scalar;
             case DTYPE_BOOL:
                 scalar.set(val == "true");
@@ -1585,6 +1585,8 @@ ProtoServer::_handle_request(std::uint32_t client_id, const Request& req) {
                 ));
             }
 
+            t_vocab vocab;
+            vocab.init(false);
             std::vector<
                 std::tuple<std::string, std::string, std::vector<t_tscalar>>>
                 filter;
@@ -1617,9 +1619,24 @@ ProtoServer::_handle_request(std::uint32_t client_id, const Request& req) {
                                     "Filter column not in schema: " + f.column()
                                 );
                             }
-                            a = coerce_to(
-                                schema->get_dtype(f.column()), arg.string()
-                            );
+
+                            if (!t_tscalar::can_store_inplace(
+                                    arg.string().c_str()
+                                )) {
+
+                                a = coerce_to(
+                                    schema->get_dtype(f.column()),
+                                    vocab.unintern_c(
+                                        vocab.get_interned(arg.string())
+                                    )
+                                );
+                            } else {
+
+                                a = coerce_to(
+                                    schema->get_dtype(f.column()),
+                                    arg.string().c_str()
+                                );
+                            }
                             args.push_back(a);
                             break;
                         }
@@ -1715,6 +1732,7 @@ ProtoServer::_handle_request(std::uint32_t client_id, const Request& req) {
             LOG_DEBUG("FILTER_OP: " << filter_op);
 
             auto config = std::make_shared<t_view_config>(
+                vocab,
                 row_pivots,
                 column_pivots,
                 aggregates,
@@ -1906,7 +1924,7 @@ ProtoServer::_handle_request(std::uint32_t client_id, const Request& req) {
                 auto* f = proto_filter->Add();
                 f->set_column(filter.m_colname);
                 f->set_op(filter_op_to_str(filter.m_op));
-                auto vals = std::vector<t_tscalar>(filter.m_bag.size() + 1);
+                auto vals = std::vector<t_tscalar>(filter.m_bag.size());
                 if (filter.m_op != FILTER_OP_NOT_IN
                     && filter.m_op != FILTER_OP_IN) {
                     vals.push_back(filter.m_threshold);
@@ -1915,6 +1933,7 @@ ProtoServer::_handle_request(std::uint32_t client_id, const Request& req) {
                         vals.push_back(scalar);
                     }
                 }
+
                 for (const auto& scalar : vals) {
                     auto* s = f->mutable_value()->Add();
                     switch (scalar.get_dtype()) {

diff --git a/cpp/perspective/src/cpp/view_config.cpp b/cpp/perspective/src/cpp/view_config.cpp
@@ -17,6 +17,7 @@
 namespace perspective {
 
 t_view_config::t_view_config(
+    t_vocab vocab,
     const std::vector<std::string>& row_pivots,
     const std::vector<std::string>& column_pivots,
     const tsl::ordered_map<std::string, std::vector<std::string>>& aggregates,
@@ -29,6 +30,7 @@ t_view_config::t_view_config(
     bool column_only
 ) :
     m_init(false),
+    m_vocab(std::move(vocab)),
     m_row_pivots(row_pivots),
     m_column_pivots(column_pivots),
     m_aggregates(aggregates),

diff --git a/cpp/perspective/src/include/perspective/view_config.h b/cpp/perspective/src/include/perspective/view_config.h
@@ -45,6 +45,7 @@ class PERSPECTIVE_EXPORT t_view_config {
      * @param sort
      */
     t_view_config(
+        t_vocab vocab,
         const std::vector<std::string>& row_pivots,
         const std::vector<std::string>& column_pivots,
         const tsl::ordered_map<std::string, std::vector<std::string>>&
@@ -178,8 +179,12 @@ class PERSPECTIVE_EXPORT t_view_config {
         t_dtype dtype
     );
 
+    // Global dictionary for `t_tscalar` in filter terms.
+    t_vocab m_vocab;
+
     // containers for primitive data that does not need transformation into
     // abstractions
+
     std::vector<std::string> m_row_pivots;
     std::vector<std::string> m_column_pivots;
     tsl::ordered_map<std::string, std::vector<std::string>> m_aggregates;

diff --git a/rust/bootstrap-runtime/lib.rs b/rust/bootstrap-runtime/lib.rs
@@ -37,10 +37,16 @@ use alloc::vec::Vec;
 
 use zune_inflate::DeflateDecoder;
 
+const HEAP_SIZE: usize = if cfg!(debug_assertions) {
+    512_000_000
+} else {
+    64_000_000
+};
+
 #[allow(unused_unsafe)]
 #[global_allocator]
 static ALLOCATOR: talc::Talck<talc::locking::AssumeUnlockable, talc::ClaimOnOom> = {
-    static mut MEMORY: [u8; 64000000] = [0; 64000000];
+    static mut MEMORY: [u8; HEAP_SIZE] = [0; HEAP_SIZE];
     let span = unsafe { talc::Span::from_const_array(core::ptr::addr_of!(MEMORY)) };
     talc::Talc::new(unsafe { talc::ClaimOnOom::new(span) }).lock()
 };

diff --git a/rust/perspective-js/test/js/filters.spec.js b/rust/perspective-js/test/js/filters.spec.js
@@ -314,6 +314,29 @@ const datetime_data_local = [
                 table.delete();
             });
 
+            test("y == 'abcdefghijklmnopqrstuvwxyz' (interned)", async function () {
+                const data = [
+                    { x: 1, y: "a", z: true },
+                    { x: 2, y: "b", z: false },
+                    { x: 3, y: "c", z: true },
+                    {
+                        x: 4,
+                        y: "abcdefghijklmnopqrstuvwxyz",
+                        z: false,
+                    },
+                ];
+
+                const table = await perspective.table(data);
+                const view = await table.view({
+                    filter: [["y", "==", "abcdefghijklmnopqrstuvwxyz"]],
+                });
+
+                const json = await view.to_json();
+                expect(json).toEqual([data[3]]);
+                view.delete();
+                table.delete();
+            });
+
             test("z == true", async function () {
                 var table = await perspective.table(data);
                 var view = await table.view({

diff --git a/rust/perspective-js/test/js/view_config.spec.js b/rust/perspective-js/test/js/view_config.spec.js
@@ -0,0 +1,44 @@
+// ┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┓
+// ┃ ██████ ██████ ██████       █      █      █      █      █ █▄  ▀███ █       ┃
+// ┃ ▄▄▄▄▄█ █▄▄▄▄▄ ▄▄▄▄▄█  ▀▀▀▀▀█▀▀▀▀▀ █ ▀▀▀▀▀█ ████████▌▐███ ███▄  ▀█ █ ▀▀▀▀▀ ┃
+// ┃ █▀▀▀▀▀ █▀▀▀▀▀ █▀██▀▀ ▄▄▄▄▄ █ ▄▄▄▄▄█ ▄▄▄▄▄█ ████████▌▐███ █████▄   █ ▄▄▄▄▄ ┃
+// ┃ █      ██████ █  ▀█▄       █ ██████      █      ███▌▐███ ███████▄ █       ┃
+// ┣━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┫
+// ┃ Copyright (c) 2017, the Perspective Authors.                              ┃
+// ┃ ╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌ ┃
+// ┃ This file is part of the Perspective library, distributed under the terms ┃
+// ┃ of the [Apache License 2.0](https://www.apache.org/licenses/LICENSE-2.0). ┃
+// ┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┛
+
+import { test, expect } from "@finos/perspective-test";
+import perspective from "./perspective_client";
+
+((perspective) => {
+    test.describe("View config", function () {
+        test("Non-interned filter strings do not create corrupted view configs", async function () {
+            const data = [
+                { x: 1, y: "a", z: true },
+                { x: 2, y: "b", z: false },
+                { x: 3, y: "c", z: true },
+                {
+                    x: 4,
+                    y: "abcdefghijklmnopqrstuvwxyz",
+                    z: false,
+                },
+            ];
+
+            const table = await perspective.table(data);
+            const view = await table.view({
+                filter: [["y", "==", "abcdefghijklmnopqrstuvwxyz"]],
+            });
+
+            const config = await view.get_config();
+            expect(config.filter).toEqual([
+                ["y", "==", "abcdefghijklmnopqrstuvwxyz"],
+            ]);
+
+            view.delete();
+            table.delete();
+        });
+    });
+})(perspective);