fix: reserved keywords in query fields#167
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| tableParams.ExpressionAttributeNames = expressionAttributeNames; | ||
| tableParams.ProjectionExpression = projectionFieldAliases.join(','); |
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Bug: Projection Alias Case Sensitivity Issue
The new projection alias generation creates non-unique aliases by uppercasing field names. This causes ExpressionAttributeNames collisions when projection fields differ only by case, or when they match existing aliases from where conditions or partition/sort keys. These overwrites lead to incorrect field projections or break KeyConditionExpression/FilterExpression references, causing data loss or query failures.
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Issue: #166
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