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issue #7832 : re-enable data preview sorting and column metadata tooltips - #7852

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mattcasters:issue-7832
Open

issue #7832 : re-enable data preview sorting and column metadata tooltips#7852
mattcasters wants to merge 1 commit into
apache:mainfrom
mattcasters:issue-7832

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What

Fixes #7832:

  1. Sorting in data previewShowRowsDialog enables column sorting again (used by the mini data-grid icons next to transforms).
  2. Column metadata tooltips — hovering or selecting a cell shows name, type, length, precision, and origin.

How

  • Each table item stores its original buffer index; full-value lookup uses that after a sort.
  • TableView.sortTable() preserves unkeyed TableItem data when rebuilding rows.
  • Tooltips are set on cell hover and on the in-place cell editor; column headers use the same format.

Tests

  • ShowRowsDialogTooltipTest — unit coverage for tooltip formatting
  • ShowRowsDialogCellSelectionTest — SWT coverage for cell selection, tooltips, and sort + full-value lookup

…a tooltips

ShowRowsDialog can sort columns again while keeping full cell-value lookup
working via preserved buffer indexes. Selected and hovered cells show name,
type, length, precision, and origin tooltips.
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[Bug]: Data preview no longer allows sorting rows

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