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feat(QueryResultTable): add per-row clipboard copy button to query re… #3741

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feat(QueryResultTable): add per-row clipboard copy button to query re… #3741

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29408c4
fix(QueryResultTable): fix binary-string regression, collision-safe c…
Arunkoo Apr 2, 2026
234cbe4
fix(QueryResultTable): generate copy column name dynamically to avoid…
Arunkoo Apr 3, 2026
96c81c4
fix(QueryResultTable): skip copy column when data columns are empty t…
Arunkoo Apr 3, 2026
b0f1392
fix(QueryResultTable): exclude header row from single-row TSV copy, c…
Arunkoo Apr 3, 2026
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48 changes: 41 additions & 7 deletions src/components/QueryResultTable/QueryResultTable.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,9 @@ import React from 'react';

import DataTable from '@gravity-ui/react-data-table';
import type {Column, Settings} from '@gravity-ui/react-data-table';
import {ClipboardButton} from '@gravity-ui/uikit';

import {buildTsvBlobParts} from '../../containers/Tenant/Query/utils/getPreparedResult';
import type {ColumnType, KeyValueRow} from '../../types/api/query';
import {cn} from '../../utils/cn';
import {DEFAULT_TABLE_SETTINGS} from '../../utils/constants';
Expand All @@ -28,32 +30,50 @@ export const b = cn('ydb-query-result-table');

const WIDTH_PREDICTION_ROWS_COUNT = 100;

//used buildTsvBlobParts to convert row to tsv format for copying, so that copied value is the same as when user exports data to tsv
const rowToTsv = (row: KeyValueRow) => buildTsvBlobParts([row]).slice(2).join('');

const copyColumn: Column<KeyValueRow> = {
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@astandrik astandrik Apr 3, 2026

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Avoid a fixed synthetic column name for the copy action

This action column uses a hard-coded name, copy_action, but query results can legally contain a column with the same alias. In that case QueryResultTable passes duplicate column names to react-data-table, which uses column names as accessors and state keys, so a query like SELECT 1 AS "copy_action" can make the real result column ambiguous and lead to the wrong data being extracted or rendered for one of the columns.

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@Arunkoo Arunkoo Apr 3, 2026

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@astandrik The fixed copy column name is now generated dynamically inside useMemo by checking against actual column names in the result. Starts with 'copy', and if that already exists as a query result column it wraps to '_copy_', then '__copy__' and so on until a unique name is found. This guarantees no collision with any real query column name regardless of what the user queries.

name: 'copy',
header: '',
width: 40,
render: ({row}) => (
<ClipboardButton
text={rowToTsv(row)}
view="flat-secondary"
size="s"
title={i18n('action.copy-row')}
/>
),
};
const prepareTypedColumns = (columns: ColumnType[], data: KeyValueRow[] | undefined) => {
if (!columns.length) {
return [];
}

const dataSlice = data?.slice(0, WIDTH_PREDICTION_ROWS_COUNT);

return columns.map(({name, type}) => {
const dataColumns = columns.map(({name, type}) => {
const columnType = getColumnType(type);

const column: Column<KeyValueRow> = {
name,
width: getColumnWidth({data: dataSlice, name}),
align: columnType === 'number' ? DataTable.RIGHT : DataTable.LEFT,
render: ({row}) => {
const data = row[name];
const rowData = row[name];
const normalizedData =
columnType === 'binary-string' && typeof data === 'string'
? JSON.stringify(data).slice(1, -1)
: String(data);
columnType === 'binary-string' && typeof rowData === 'string'
? JSON.stringify(rowData).slice(1, -1)
: String(rowData);
return <Cell value={normalizedData} />;
},
};

return column;
});

return dataColumns;
};

const prepareGenericColumns = (data: KeyValueRow[] | undefined) => {
Expand All @@ -63,7 +83,7 @@ const prepareGenericColumns = (data: KeyValueRow[] | undefined) => {

const dataSlice = data?.slice(0, WIDTH_PREDICTION_ROWS_COUNT);

return Object.keys(data[0]).map((name) => {
const dataColumns = Object.keys(data[0]).map((name) => {
const column: Column<KeyValueRow> = {
name,
width: getColumnWidth({data: dataSlice, name}),
Expand All @@ -73,6 +93,7 @@ const prepareGenericColumns = (data: KeyValueRow[] | undefined) => {

return column;
});
return dataColumns;
};

const getRowIndex = (_: unknown, index: number) => index;
Expand All @@ -91,7 +112,20 @@ export const QueryResultTable = (props: QueryResultTableProps) => {
const {columns, data, settings: propsSettings} = props;

const preparedColumns = React.useMemo(() => {
return columns ? prepareTypedColumns(columns, data) : prepareGenericColumns(data);
const dataColumns = columns
? prepareTypedColumns(columns, data)
: prepareGenericColumns(data);

if (!dataColumns.length) {
return dataColumns;
}
const existingNames = new Set(dataColumns.map((col) => col.name));
let copyColumnName = 'copy';
while (existingNames.has(copyColumnName)) {
copyColumnName = `_${copyColumnName}_`;
}

return [...dataColumns, {...copyColumn, name: copyColumnName}];
}, [columns, data]);

const settings = React.useMemo(() => {
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3 changes: 2 additions & 1 deletion src/components/QueryResultTable/i18n/en.json
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Original file line number Diff line number Diff line change
@@ -1,3 +1,4 @@
{
"empty": "Table is empty"
"empty": "Table is empty",
"action.copy-row": "Copy row"
}
3 changes: 2 additions & 1 deletion src/components/QueryResultTable/i18n/ru.json
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Original file line number Diff line number Diff line change
@@ -1,3 +1,4 @@
{
"empty": "Таблица пустая"
"empty": "Таблица пустая",
"action.copy-row": "Скопировать строку"
}
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