Fix stack overflow in coroutine#19736
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alexey-milovidov merged 5 commits intomasterfrom Jan 28, 2021
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Changelog entry (a user-readable short description of the changes that goes to CHANGELOG.md):
In distributed queries if the setting
async_socket_for_remoteis enabled, it was possible to get stack overflow at least in debug build configuration if very deeply nested data type is used in table (e.g.Array(Array(Array(...more...)))). This fixes #19108. This change introduces minor backward incompatibility: excessive parenthesis in type definitions no longer supported, example:Array((UInt8)).