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Move catalog initializations to Catalog bootstrap #1447
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This PR makes all catalogs to be initialized in catalog bootstrap for checkpoints. This targets following two catalogs addressed in issue #1246.
ColumnStatsCatalogis initialized in bootstrap ofSystemCatalogs. To do this, deleteddatabase_oidcolumn from pg_column_stats. In addition, modified a methodAnalyzeStatsForAllTables()in stats_storage.h to collect stats for all tables in a database.ZoneMapCatalogis initialized in bootstrap ofCatalog. Since it seems that the latest Peloton doesn't use this catalog actually, added a boolean setting value to activateZoneMapCatalogwith false as default value.