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11 lines
547 B
Plaintext
11 lines
547 B
Plaintext
-- { echoOn }
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SELECT count() FROM dict SETTINGS optimize_trivial_approximate_count_query = 0, max_rows_to_read = 1; -- { serverError TOO_MANY_ROWS }
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SELECT count() FROM dict SETTINGS optimize_trivial_approximate_count_query = 1, max_rows_to_read = 1;
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121
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SET optimize_trivial_approximate_count_query = 1;
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-- needs more data to see total_bytes or just detach and attach the table
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DETACH TABLE dict SYNC;
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ATTACH TABLE dict;
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SELECT total_rows, total_bytes > 0 FROM system.tables WHERE database = currentDatabase() AND name = 'dict' FORMAT CSV;
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121,1
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