{
  "schema": 1,
  "sqlstate": "53100",
  "condition_name": "disk_full",
  "sources": [
    {
      "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#L408",
      "lines": "408"
    },
    {
      "id": "src.path.0",
      "kind": "upstream_source",
      "source_role": "resolved_report_context",
      "tag": "REL_18_6",
      "commit": "724edf9bde9d356724ad384a2e196edc3c9f80f7",
      "path": "src/backend/backup/basebackup_server.c",
      "sha256": "1447d7223926f903d27744605f9caec8a610d78a9f7a7864bb3afb6b3073ac19",
      "url": "https://github.com/postgres/postgres/blob/724edf9bde9d356724ad384a2e196edc3c9f80f7/src/backend/backup/basebackup_server.c#L177",
      "lines": "177-182"
    },
    {
      "id": "src.path.1",
      "kind": "upstream_source",
      "source_role": "resolved_report_context",
      "tag": "REL_18_6",
      "commit": "724edf9bde9d356724ad384a2e196edc3c9f80f7",
      "path": "src/backend/storage/smgr/md.c",
      "sha256": "c7e885c50b381337b8b8624bfc8effbd3abba7aa95a290083996354926ec9f69",
      "url": "https://github.com/postgres/postgres/blob/724edf9bde9d356724ad384a2e196edc3c9f80f7/src/backend/storage/smgr/md.c#L521",
      "lines": "521-526"
    },
    {
      "id": "src.path.2",
      "kind": "upstream_source",
      "source_role": "resolved_report_context",
      "tag": "REL_18_6",
      "commit": "724edf9bde9d356724ad384a2e196edc3c9f80f7",
      "path": "src/backend/storage/smgr/md.c",
      "sha256": "c7e885c50b381337b8b8624bfc8effbd3abba7aa95a290083996354926ec9f69",
      "url": "https://github.com/postgres/postgres/blob/724edf9bde9d356724ad384a2e196edc3c9f80f7/src/backend/storage/smgr/md.c#L512",
      "lines": "512-526"
    },
    {
      "id": "src.path.3",
      "kind": "upstream_source",
      "source_role": "errno_helper",
      "tag": "REL_18_6",
      "commit": "724edf9bde9d356724ad384a2e196edc3c9f80f7",
      "path": "src/backend/utils/error/elog.c",
      "sha256": "766d30a426ba1d9597657bd46fb890da3e37e4ae53a83d1245bf082ed9433c33",
      "url": "https://github.com/postgres/postgres/blob/724edf9bde9d356724ad384a2e196edc3c9f80f7/src/backend/utils/error/elog.c#L868",
      "lines": "868-938"
    }
  ],
  "claims": [
    {
      "id": "identity",
      "statement": "53100 is disk_full in SQLSTATE Class 53.",
      "sources": [
        "src.errcodes.18.6"
      ],
      "method": "Read fixed definition."
    },
    {
      "id": "resolved-paths",
      "statement": "The cited PostgreSQL 18.6 source paths support the representative resource and object-state mechanisms described.",
      "sources": [
        "src.path.0",
        "src.path.1",
        "src.path.2",
        "src.path.3"
      ],
      "method": "Read complete fixed source contexts.",
      "limits": "Source confirmation is not natural runtime."
    },
    {
      "id": "errno-boundary",
      "statement": "The relation write path sends a negative FileWrite result through errcode_for_file_access(), while a short write explicitly uses ERRCODE_DISK_FULL; these are separate source branches.",
      "sources": [
        "src.path.2"
      ],
      "method": "Read the complete mdextend error branch."
    },
    {
      "id": "errno-map",
      "statement": "In the fixed errno helper, ENOSPC maps to ERRCODE_DISK_FULL; EFBIG and EDQUOT are not listed and therefore use the helper's default internal-error mapping.",
      "sources": [
        "src.path.3"
      ],
      "method": "Read the complete saved-errno switch, including its default branch.",
      "limits": "This records the PostgreSQL helper mapping; it does not claim that every operating-system write failure presents this SQLSTATE."
    },
    {
      "id": "history",
      "statement": "The locked catalogue records 53100 from 7.4; that boundary does not prove exact implementation introduction.",
      "sources": [
        "src.errcodes.18.6"
      ],
      "method": "Use catalogue boundary."
    }
  ],
  "messages": [
    {
      "id": "message.0",
      "sqlstate": "53100",
      "primary_template": "could not write file \"%s\": wrote only %d of %d bytes at offset %lld",
      "severity_source": "ERROR",
      "sources": [
        "src.path.0"
      ],
      "hint_template": "Check free disk space."
    },
    {
      "id": "message.1",
      "sqlstate": "53100",
      "primary_template": "could not extend file \"%s\": wrote only %d of %d bytes at block %u",
      "severity_source": "ERROR",
      "sources": [
        "src.path.1"
      ],
      "hint_template": "Check free disk space."
    },
    {
      "id": "message.2",
      "primary_template": "could not extend file \"%s\": %m",
      "severity_source": "ERROR",
      "sources": [
        "src.path.2",
        "src.path.3"
      ],
      "limits": "The source selects errcode_for_file_access() from errno; this template is not itself proof that the resulting SQLSTATE is 53100."
    }
  ],
  "usage_evidence": [
    {
      "scope": "definition",
      "status": "definition_only",
      "evidence_ids": [
        "identity"
      ]
    },
    {
      "scope": "fixed-source-path",
      "status": "source_path_confirmed",
      "evidence_ids": [
        "resolved-paths",
        "errno-map"
      ]
    },
    {
      "scope": "history",
      "status": "unknown",
      "evidence_ids": [
        "history"
      ]
    },
    {
      "scope": "natural-runtime",
      "status": "unknown",
      "evidence_ids": [
        "resolved-paths"
      ]
    }
  ],
  "runtime": []
}