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The approximate_row_count function was using the reltuples from compressed chunks and multiplying that with 1000 which is the default batch size. This was leading to a huge skew between the actual row count and the approximate one. We now use the numrows_pre_compression value from the timescaledb catalog which accurately represents the number of rows before the actual compression.
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66 B
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2 lines
66 B
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Fixes: #6365 Use numrows_pre_compression in approximate row count
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