Convert all stats from INT8 -> NUMERIC(20, 0) #401
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Internally these statistics are stored as unsigned 64-bit values, but the PostgreSQL INT8 types can only express signed 64-bit values. Convert all the stats to NUMERIC(20, 0) to avoid losing data. Closes pgbouncer#360
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Improve documentation for NUMERIC typmod
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@petere Would you mind reviewing? |
petere
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Aug 9, 2019
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@petere Friendly ping. We got bit by recently by a problem with not having metrics for a subset of our PgBouncer hosts. Can we look into rolling this in soon? |
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I want to go through all the admin and stats commands and check for similar data type mismatch/overflow problems. I think there are a few more. It will need a bit more time. |
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Internally, most statistiscs are kept as uint64_t. Sending those with a row descriptor that claims they are bigint can lead to problems if uint64_t values can overflow the signed 64-bit integer range. Then a client library that wants to convert the value to its locally appropriate signed 64-bit integer type would run into errors. based on patch by @stanhu fixes pgbouncer#360 pgbouncer#401
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a fix has been committed |
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@petere Thanks, could you cut a new release for PgBouncer? |
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yes :) |
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Internally these statistics are stored as unsigned 64-bit values,
but the PostgreSQL INT8 types can only express signed 64-bit values.
Convert all the stats to NUMERIC(20, 0) to avoid losing data.
Closes #360