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Cannot initialize a ColumnSchema without initialized Ordinal logical type

Cannot initialize a ColumnSchema without initialized Ordinal logical type: a task in MiMo-V2.6-RL-oss: Agentic RL Environments (MiMo RL release). PR 870 made a change which allowed users to initialize a column schema object with an ordinal logical type, without first instantiating the ordinal…

The task

PR #870 made a change which allowed users to initialize a column schema object with an ordinal logical type, without first instantiating the ordinal logical type, as long as the column schema was not tied to data. This seems to have been broken with the 0.4.0 release of…

Part of XiaomiMiMo/MiMo-V2.6-RL-oss.