service/dynamodb/expression: Add expression building utility for DynamoDB #1527
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* Initial commit * write Base32Encoding test cases * Implement numeric encoding instead of Base32 * Minor changes to satisfy golinter * Implement unexported tree structure * write tests * Finish basic tests * Use sprintf style aliasing * Add BuildExpression method to ConditionBuilder * Make change based on inline PR * Add name to tests, comments for clarity, more index panic coverage
* implement AND and BETWEEN * fix indentation on comments
* Implement rest of condition expression functions * unexport consts * get rid of unnecessary stringer implementations * add tests for unexported functions * Change error constants into string constants
* Implement rest of condition expression functions * unexport consts * get rid of unnecessary stringer implementations * add tests for unexported functions * initial implementation of projection * Improve comments * Improve tests * Improve tests * Improve comment grammar, get rid of iota constants and replace with string constants * Implement projection expression and improve comments * Change go build to 1.7 * make requested changes, specify that all paths are aliased * Add test case for empty ProjectionBuilder * Remove redundant line * modify BuildOperand errors to use awserr * Convert any error that users may cause into a typed error
Updates expressions, operand building, and errors returned.
* Implement Update Expression * Remove unnecessary lines * append ValueMode to SetValueBuilder modes for clarity
* Improve comments and add a doc.go * get rid of the word user * remove readme file and get rid of the word user * reword builder struct to remove ambiguity * make changes according to doc review
jasdel
changed the title
Minor updates to the the DynamoDB expression package's docs and examples.
Merged
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Adds a new package, expression, to the SDK providing builder utilities to create DynamoDB expressions safely taking advantage of type safety.
Adds several new builders to construct specific DynamoDB Expression types. These builders can be combined together to retrieve the expression name, and value aliases, along with the formatted expression string for the given expression type.
Adds a runnable example under
example/service/dynamodb/expression