{
  "schema": 1,
  "sqlstate": "58000",
  "condition_name": "system_error",
  "sources": [
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      "id": "src.errcodes.18.6",
      "kind": "upstream_source",
      "source_role": "condition_definition",
      "tag": "REL_18_6",
      "commit": "724edf9bde9d356724ad384a2e196edc3c9f80f7",
      "path": "src/backend/utils/errcodes.txt",
      "sha256": "6e8de346643ba84aa3c9c6a73360acfc7b2dfb89162c06c08ce9bf5bcd5bbcba",
      "url": "https://github.com/postgres/postgres/blob/724edf9bde9d356724ad384a2e196edc3c9f80f7/src/backend/utils/errcodes.txt#L444",
      "lines": "444"
    },
    {
      "id": "src.path.0",
      "kind": "upstream_source",
      "source_role": "resolved_report_context",
      "tag": "REL_18_6",
      "commit": "724edf9bde9d356724ad384a2e196edc3c9f80f7",
      "path": "src/backend/access/transam/xlogfuncs.c",
      "sha256": "6373dff222519c8544541eb120eb6e1f3c921d0b7bb2293689c4e5f98b9d41d0",
      "url": "https://github.com/postgres/postgres/blob/724edf9bde9d356724ad384a2e196edc3c9f80f7/src/backend/access/transam/xlogfuncs.c#L706",
      "lines": "706-708"
    },
    {
      "id": "src.path.1",
      "kind": "upstream_source",
      "source_role": "resolved_report_context",
      "tag": "REL_18_6",
      "commit": "724edf9bde9d356724ad384a2e196edc3c9f80f7",
      "path": "src/common/exec.c",
      "sha256": "b39dfdb5574510a25441da87c413ea4c4df90188e5666c2d218345e05cc70831",
      "url": "https://github.com/postgres/postgres/blob/724edf9bde9d356724ad384a2e196edc3c9f80f7/src/common/exec.c#L391",
      "lines": "391-412"
    },
    {
      "id": "src.path.2",
      "kind": "upstream_source",
      "source_role": "resolved_report_context",
      "tag": "REL_18_6",
      "commit": "724edf9bde9d356724ad384a2e196edc3c9f80f7",
      "path": "src/include/common/logging.h",
      "sha256": "ca990bba3381d3810e5e031eb33658e1d48a3654f2cbae3ae5e3c9d4c727b787",
      "url": "https://github.com/postgres/postgres/blob/724edf9bde9d356724ad384a2e196edc3c9f80f7/src/include/common/logging.h#L106",
      "lines": "106-110"
    },
    {
      "id": "src.path.3",
      "kind": "upstream_source",
      "source_role": "resolved_report_context",
      "tag": "REL_18_6",
      "commit": "724edf9bde9d356724ad384a2e196edc3c9f80f7",
      "path": "src/common/exec.c",
      "sha256": "b39dfdb5574510a25441da87c413ea4c4df90188e5666c2d218345e05cc70831",
      "url": "https://github.com/postgres/postgres/blob/724edf9bde9d356724ad384a2e196edc3c9f80f7/src/common/exec.c#L52",
      "lines": "52-70"
    }
  ],
  "claims": [
    {
      "id": "identity",
      "statement": "58000 is system_error in SQLSTATE Class 58.",
      "sources": [
        "src.errcodes.18.6"
      ],
      "method": "Read fixed definition."
    },
    {
      "id": "resolved-paths",
      "statement": "The fixed backend pg_promote path reports ERROR with ERRCODE_SYSTEM_ERROR; the shared pclose_check source has separate non-FRONTEND ereport(LOG) and FRONTEND stderr macro branches, so frontend output is not asserted as a client-protocol 58000 response.",
      "sources": [
        "src.path.0",
        "src.path.1",
        "src.path.2",
        "src.path.3"
      ],
      "method": "Read the complete backend call site, common exec macro definition/call site, and logging macro definitions.",
      "limits": "Source confirmation is not natural runtime."
    },
    {
      "id": "history",
      "statement": "The locked catalogue records 58000 from 9.2.0; that boundary does not prove exact implementation introduction.",
      "sources": [
        "src.errcodes.18.6"
      ],
      "method": "Use catalogue boundary."
    }
  ],
  "messages": [
    {
      "id": "message.0",
      "sqlstate": "58000",
      "primary_template": "failed to send signal to postmaster: %m",
      "severity_source": "ERROR",
      "sources": [
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      ]
    },
    {
      "id": "message.1",
      "sqlstate": "58000",
      "primary_template": "%s() failed: %m",
      "severity_source": "non-FRONTEND: ereport(LOG) with ERRCODE_SYSTEM_ERROR; FRONTEND: log_error ignores errcodefn and prints to stderr (no backend SQLSTATE protocol)",
      "sources": [
        "src.path.1",
        "src.path.3"
      ]
    }
  ],
  "usage_evidence": [
    {
      "scope": "definition",
      "status": "definition_only",
      "evidence_ids": [
        "identity"
      ]
    },
    {
      "scope": "fixed-source-path",
      "status": "source_path_confirmed",
      "evidence_ids": [
        "resolved-paths"
      ]
    },
    {
      "scope": "history",
      "status": "unknown",
      "evidence_ids": [
        "history"
      ]
    },
    {
      "scope": "natural-runtime",
      "status": "unknown",
      "evidence_ids": [
        "resolved-paths"
      ]
    }
  ],
  "runtime": []
}