Fixed backward incompatibility of table function "remote" introduced with column comments #4446
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…with column comments
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00838_system_tables_drop_table_race - TODO |
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For changelog. Remove if this is non-significant change.
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Short description (up to few sentences):
Fixed backward incompatibility of table function "remote" introduced with column comments. If the function "remote" or "cluster" is querying old ClickHouse server, it was failing with
Not found column comment_expression in blockerror message. Renamedcomment_expressiontocommentin the result ofDESC TABLEquery.Detailed description (optional):
This PR fixes #4040
Not covered by tests.