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The tables below describe the information that will be reported and provide information about how to interpret it. Progress for VACUUM FULL commands is reported via pg_stat_progress_cluster because both VACUUM FULL and CLUSTER rewrite the table, while regular VACUUM only modifies it in place. See Section 28.4.2."]}, {"title": "Collection and reset context", "paragraphs": ["Read the same-version statistics collection and view documentation below for reset scope and visibility. No per-field reset rule is inferred from the field name."]}, {"code": "SELECT num_dead_tuples FROM pg_catalog.pg_stat_progress_vacuum;", "title": "Inspect this field", "paragraphs": ["Example query; no execution result or measured value is asserted."]}], "sql_type": "bigint", "signature": "SELECT num_dead_tuples FROM pg_catalog.pg_stat_progress_vacuum;", "documented": true, "description": ["Number of dead tuples collected since the last index vacuum cycle."], "manual_html": "", "manual_path": "/docs/16/progress-reporting.html", "source_only": false, "comparison_data": {"view": "pg_stat_progress_vacuum", "field": "num_dead_tuples", "sql_type": "bigint", "units_mentioned": ["tuples"]}, "comparison_hash": "6cbb883059f4c16340053bdcadd7eee0267b2932ea791be8b4eb1b06f514f8bf", "units_mentioned": ["tuples"]}}}, "snapshot": null, "comparison": {"left": "16", "right": "17", "status": "removed", "diff": "--- PostgreSQL 16\n+++ PostgreSQL 17\n@@ -1,8 +1 @@\n-{\n-  \"field\": \"num_dead_tuples\",\n-  \"sql_type\": \"bigint\",\n-  \"units_mentioned\": [\n-    \"tuples\"\n-  ],\n-  \"view\": \"pg_stat_progress_vacuum\"\n-}\n+Not recorded in this version"}}