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GH-49817: [C++] Reject overflowing decimal strings - #51169

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1fanwang wants to merge 11 commits into

apache:mainfrom

1fanwang:1fannnw/decimal-shift-overflow

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GH-49817: [C++] Reject overflowing decimal strings#51169
1fanwang wants to merge 11 commits into
apache:mainfrom
1fanwang:1fannnw/decimal-shift-overflow

Commits on Oct 21, 2026
- GH-49817: [C++] Detect decimal parsing overflow
  1fanwang
  committed
  2517011
- GH-49817: [C++] Handle signed decimal overflow
  1fanwang
  committed
  6681676
- GH-49817: [C++] Allow minimum Decimal32 and Decimal64
  1fanwang
  committed
  051412e
- GH-49817: [C++] Validate metadata-only decimal parsing
  1fanwang
  committed
  1122384
- GH-49817: [C++] Reject overflowing decimal exponents
  1fanwang
  committed
  21c6eab
- GH-49817: [C++] Fix decimal boundary tests on MSVC
  1fanwang
  committed
  666e496
- GH-49817: [Gandiva] Round long strings before decimal conversion
  1fanwang
  committed
  33183f2
- GH-49817: [Gandiva] Preserve decimal exponent errors
  1fanwang
  committed
  a85f954
- GH-49817: [Gandiva] Reject oversized normalized decimals
  1fanwang
  committed
  d6c33dc
- GH-49817: [Gandiva] Limit retries to checked scale reductions
  1fanwang
  committed
  da085d6
- GH-49817: [Gandiva] Cover long all-zero decimal inputs
  1fanwang
  committed
  4243107