add table/column schema check.

[ColinLeeo]

No description provided.

[Copilot]

Pull Request Overview

This PR adds validation checks for table and column schema definitions and enhances numeric range checking in the Tablet class.

• Added numeric range check support in add_value_by_index in Tablet.
• Introduced validations for non-empty table/column names and non-null data types in TableSchema and ColumnSchema.
• Updated and extended tests to cover the new schema validations and value insertion for string type columns.

Reviewed Changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated 1 comment.

File	Description
python/tsfile/tablet.py	Added numeric range check in add_value_by_index similar to add_value_by_name.
python/tsfile/schema.py	Added validations for column/table names and data types; note a redundant condition in TableSchema.
python/tests/test_basic.py	Updated test cases to include a string column and to adjust for new validations in the schema.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 65.48%. Comparing base (217cc3c) to head (8bd62e0).

Additional details and impacted files

@@           Coverage Diff            @@
##           develop     #488   +/-   ##
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  Coverage    65.48%   65.48%           
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  Files          565      565           
  Lines        33040    33040           
  Branches      4603     4603           
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  Hits         21636    21636           
  Misses       10762    10762           
  Partials       642      642           

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