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mysql-schema: add information about several missing system tables (#20409) #20451

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Merged
merged 2 commits into from
Mar 4, 2025
Merged

mysql-schema: add information about several missing system tables (#20409) #20451

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91e8c30
This is an automated cherry-pick of #20409
time-and-fate Mar 4, 2025
ad02fd4
resolve conflict
Oreoxmt Mar 4, 2025
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3 changes: 3 additions & 0 deletions mysql-schema.md
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Expand Up @@ -33,6 +33,8 @@ Currently, the `help_topic` is NULL.
- `stats_extended`: extended statistics, such as the order correlation between columns
- `stats_feedback`: the query feedback of statistics
- `stats_fm_sketch`: the FMSketch distribution of the histogram of the statistics column
- `stats_meta_history`: the meta information in the historical statistics
- `stats_history`: the other information in the historical statistics
- `analyze_options`: the default `analyze` options for each table
- `column_stats_usage`: the usage of column statistics
- `schema_index_usage`: the usage of indexes
Expand All @@ -58,5 +60,6 @@ Currently, the `help_topic` is NULL.
- `expr_pushdown_blacklist`: the blocklist for expression pushdown
- `opt_rule_blacklist`: the blocklist for logical optimization rules
- `table_cache_meta`: the metadata of cached tables
- `advisory_locks`: information related to [Locking functions](/functions-and-operators/locking-functions.md)

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