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Add data operations module with CSV import and table manipulation #527

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Merged
fdb merged 8 commits into from
Feb 15, 2026
Merged

Add data operations module with CSV import and table manipulation #527

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50017bd
Implement data nodes: import_csv, make_table, lookup, filter_data.
claude Feb 14, 2026
1c221fa
Merge origin/rewrite-in-rust and resolve conflicts.
claude Feb 14, 2026
5f250e7
Fix file dialog to use appropriate filters per node type.
claude Feb 14, 2026
26f14e4
Restyle file widget to match string/number dragger appearance.
claude Feb 14, 2026
245ba1e
Add multi-column data table view for CSV/data rows in viewer pane
claude Feb 14, 2026
4170891
Wire up keys and zip_map nodes using DataRow support
claude Feb 14, 2026
b7145ed
Fix lookup output type to allow numeric connections
claude Feb 14, 2026
dcf8db1
Make Data port type universally compatible
claude Feb 15, 2026
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Fix lookup output type to allow numeric connections 
Change lookup's registered output from PortType::String to PortType::Data
(matching the ndbx definition) and add Data → Float/Int/Point compatibility
rules. The runtime already returns NodeOutput::Float for numeric columns;
this fix lets the connection validator accept those wires.

https://claude.ai/code/session_01Ssbet1itX47TACaYWBM1Wo
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@claude
claude committed Feb 14, 2026
commit b7145edc27ed045efa5179779ccb9c0479d0b5ee
7 changes: 7 additions & 0 deletions crates/nodebox-core/src/node/port.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -101,6 +101,13 @@ impl PortType {
return true;
}

// Data output can connect to numeric inputs (e.g. lookup returns Float for numeric columns)
if matches!(output_type, PortType::Data)
&& matches!(input_type, PortType::Float | PortType::Int | PortType::Point)
{
return true;
}

// Everything can be converted to a string
if matches!(input_type, PortType::String) {
return true;
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2 changes: 1 addition & 1 deletion crates/nodebox-gui/src/node_library.rs
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Expand Up @@ -1861,7 +1861,7 @@ pub fn create_node_from_template(template: &NodeTemplate, library: &NodeLibrary,
node = node
.with_input(Port::new("list", PortType::Data))
.with_input(Port::string("key", "x"))
.with_output_type(PortType::String);
.with_output_type(PortType::Data);
}
"filter_data" => {
node = node
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