pvbouwel ec731ac901 Improve DDB expressions support4: Execution using AST ... Part of structured approach for UpdateExpressions: 1) Expression gets parsed into a tokenlist (tokenized) 2) Tokenlist get transformed to expression tree (AST) 3) The AST gets validated (full semantic correctness) 4) AST gets processed to perform the update -> this commit This commit uses the AST to execute the UpdateExpression. All the existing tests pass. The only tests that have been updated are in test_dynamodb_table_with_range_key.py because they wrongly allow adding a set to a path that doesn't exist. This has been alligend to correspond to the behavior of AWS DynamoDB. This commit will resolve https://github.com/spulec/moto/issues/2806 Multiple tests have been implemented that verify this.		2020-04-26 15:59:12 +01:00
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test_dynamodb_executor.py	Improve DDB expressions support4: Execution using AST	2020-04-26 15:59:12 +01:00
test_dynamodb_expression_tokenizer.py	Better DDB expressions support1: TokenizationDDB	2020-04-18 09:16:23 +01:00
test_dynamodb_expressions.py	Improve DDB expressions support3: AST Validation	2020-04-19 16:58:07 +01:00
test_dynamodb_table_with_range_key.py	Improve DDB expressions support4: Execution using AST	2020-04-26 15:59:12 +01:00
test_dynamodb_table_without_range_key.py	Enable AST Validation	2020-04-19 16:58:46 +01:00
test_dynamodb_validation.py	Improve DDB expressions support3: AST Validation	2020-04-19 16:58:07 +01:00
test_dynamodb.py	Improve DDB expressions support4: Execution using AST	2020-04-26 15:59:12 +01:00
test_server.py	Run black on moto & test directories.	2019-10-31 10:36:05 -07:00