Pavel Pereslegin created IGNITE-20764:
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Summary: Sql. Introduce script parser service
Key: IGNITE-20764
URL: https://issues.apache.org/jira/browse/IGNITE-20764
Project: Ignite
Issue Type: Improvement
Reporter: Pavel Pereslegin
Assignee: Pavel Pereslegin
At the moment, there is only one implementation ({{ParserServiceImpl}}) of the
{{ParserService}}, which is not entirely suitable for parsing scripts for
several reasons:
1. According to the {{ParserService}} interface, it returns the result of
parsing only single statement.
2. The service only counts the total number of dynamic parameters per script
(and not for the statement).
3. The cache implementation is designed to cache single expression.
To implement the script execution logic (IGNITE-20443), it is recommended to
add a second implementation, which, in addition to the total number of dynamic
parameters (for validation), returned a list of parsing results for each
statement (with the correct number of dynamic parameters). of the script
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