{
  "schema": 1,
  "sqlstate": "28000",
  "condition_name": "invalid_authorization_specification",
  "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"
    },
    {
      "id": "src.calls.REL_18_6",
      "kind": "local_artifact",
      "source_role": "source_call_scan",
      "sha256": "9ee8a0e81d8f0825c5c1ae45583439859a26e602bdd4ce2f2a62aa278867ccbf",
      "tag": "REL_18_6"
    },
    {
      "id": "src.calls.REL_10_23",
      "kind": "local_artifact",
      "source_role": "source_call_scan",
      "sha256": "00d16d3eb01b71ccf1b245c8f3102f9d0ec9f36fb02777b8dd1b99fcb263040c",
      "tag": "REL_10_23"
    },
    {
      "id": "src.miscinit-missing-role.18.6",
      "kind": "upstream_source",
      "source_role": "source_call",
      "tag": "REL_18_6",
      "commit": "724edf9bde9d356724ad384a2e196edc3c9f80f7",
      "path": "src/backend/utils/init/miscinit.c",
      "sha256": "54bdb859c143a6c70d86067ccf2e124f59aa0852e5705bb653652e41a60af39a",
      "url": "https://github.com/postgres/postgres/blob/724edf9bde9d356724ad384a2e196edc3c9f80f7/src/backend/utils/init/miscinit.c#L802-L804"
    },
    {
      "id": "src.miscinit-missing-role.10.23",
      "kind": "upstream_source",
      "source_role": "source_call",
      "tag": "REL_10_23",
      "commit": "02991e79f8f58bc208f05dcc8af0c62dbe0a6ea4",
      "path": "src/backend/utils/init/miscinit.c",
      "sha256": "c4d2e234f96644d43aad9e9a6728df693e7f75175f05a550701413ceee70fb82",
      "url": "https://github.com/postgres/postgres/blob/02991e79f8f58bc208f05dcc8af0c62dbe0a6ea4/src/backend/utils/init/miscinit.c#L516-L518"
    },
    {
      "id": "manifest.28000",
      "kind": "local_artifact",
      "source_role": "case_manifest",
      "sha256": "188147e72a59764e242b45c406cccd69a56cd8101b210403ebf33cec273693cc",
      "tag": "workspace"
    },
    {
      "id": "snippet-registry.28000",
      "kind": "local_artifact",
      "source_role": "snippet_registry",
      "sha256": "30eca9ec77f1b393fb74d2c53a660a7e601da82c26919f453c6fb18bc418f43a",
      "tag": "workspace"
    }
  ],
  "claims": [
    {
      "id": "identity.class-and-condition",
      "statement": "28000 is the invalid_authorization_specification condition in Class 28.",
      "method": "Read the fixed errcodes.txt definition and the locked catalogue metadata.",
      "limits": "Directory identity does not identify every backend or client path.",
      "sources": [
        "src.errcodes.18.6"
      ]
    },
    {
      "id": "mechanism.backend-path",
      "statement": "The fixed source paths associated with 28000 report the condition in the mechanism selected for this page.",
      "method": "Trace the resolved source call records at the fixed release commits and compare their dynamic message fields.",
      "limits": "Other calls can retain the same SQLSTATE with different context or text.",
      "sources": [
        "src.miscinit-missing-role.18.6",
        "src.miscinit-missing-role.10.23"
      ]
    },
    {
      "id": "runtime.representative-case",
      "statement": "The selected invalid_authorization case passed with the expected structured diagnostics, recovery assertions, and cleanup on PostgreSQL 18.6 and 10.21.",
      "method": "Run the shared registry case on isolated runner-owned latest and PG10 targets; inspect the final summaries and raw results.",
      "limits": "This covers the selected case and versions only; it does not generalize to every driver, proxy, or intermediate release.",
      "sources": [
        "snippet-registry.28000",
        "manifest.28000"
      ],
      "runtime": [
        "runtime.28000-conn-contract-latest.latest",
        "runtime.28000-conn-contract-pg10.pg10"
      ]
    },
    {
      "id": "startup-phase-boundary",
      "statement": "The selected missing-role producer runs during startup, emits a FATAL ErrorResponse, and leaves no usable session or transaction; the server ErrorResponse is therefore authoritative over a client exception with SQLSTATE null.",
      "method": "Compare the fixed miscinit.c source path with the selected raw server ErrorResponse and independent driver/probe observations.",
      "limits": "This is the selected missing-role startup branch; other Class 28 producers can occur in different authentication phases and use different diagnostics.",
      "sources": [
        "src.miscinit-missing-role.18.6",
        "runtime.28000-conn-contract-latest.latest"
      ]
    },
    {
      "id": "versions.catalogue-boundary",
      "statement": "The locked catalogue records 28000 in the listed snapshots; the runtime comparison here is limited to PostgreSQL 18.6 and 10.21.",
      "method": "Read the generated facts block and locked manifest, then compare the selected target summaries.",
      "limits": "Presence in a definition file is not an exact behavioral introduction; the two runtime targets do not prove all middle versions.",
      "sources": [
        "src.errcodes.18.6",
        "src.calls.REL_18_6",
        "src.calls.REL_10_23"
      ]
    }
  ],
  "messages": [
    {
      "id": "message.missing-role",
      "sqlstate": "28000",
      "severity_source": "explicit FATAL",
      "sources": [
        "src.miscinit-missing-role.18.6",
        "src.miscinit-missing-role.10.23"
      ],
      "primary_template": "role \"%s\" does not exist"
    }
  ],
  "usage_evidence": [
    {
      "scope": "SQLSTATE directory identity",
      "status": "definition_only",
      "evidence_ids": [
        "identity.class-and-condition",
        "src.errcodes.18.6"
      ]
    },
    {
      "scope": "Selected backend mechanism",
      "status": "source_path_confirmed",
      "evidence_ids": [
        "mechanism.backend-path",
        "src.miscinit-missing-role.18.6",
        "src.miscinit-missing-role.10.23",
        "startup-phase-boundary"
      ]
    },
    {
      "scope": "Observed invalid_authorization on isolated targets",
      "status": "observed_runtime",
      "evidence_ids": [
        "runtime.representative-case",
        "snippet-registry.28000",
        "runtime.28000-conn-contract-latest.latest",
        "runtime.28000-conn-contract-pg10.pg10"
      ]
    },
    {
      "scope": "Locked release presence and bounded version comparison",
      "status": "definition_only",
      "evidence_ids": [
        "versions.catalogue-boundary",
        "src.errcodes.18.6"
      ]
    }
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  "runtime": [
    {
      "id": "runtime.28000-conn-contract-latest.latest",
      "kind": "runtime_observation",
      "run_id": "28000-conn-contract-latest",
      "target": "latest",
      "status": "passed",
      "server_version": "18.6 (Homebrew)",
      "server_version_num": 180006,
      "cases": [
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      ],
      "summary_sha256": "a75bb39570a63f6e34212585e0330cbca4429c82b886663c5a49f8d9af169e2a",
      "raw_sha256": "2389db15803d76e92f3964d387aa15085de2cc094cfefdd2d25aa7790665fb40",
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        "machine": "arm64",
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        "libpq_version": "18.6",
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        "locale": "en_US.UTF-8",
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        "log_destination": "csvlog,jsonlog"
      },
      "observed": {
        "collector": {
          "primary": "role \"u28000_missing_fbc912bb7e6f\" does not exist",
          "severity": "FATAL",
          "sqlstate": "28000"
        },
        "diagnostic": {
          "column_name": null,
          "constraint_name": null,
          "context": null,
          "datatype_name": null,
          "exception_type": "OperationalError",
          "internal_position": null,
          "internal_query": null,
          "message_detail": null,
          "message_hint": null,
          "message_primary": null,
          "schema_name": null,
          "severity": null,
          "severity_nonlocalized": null,
          "source_file": null,
          "source_function": null,
          "source_line": null,
          "sqlstate": null,
          "statement_position": null,
          "table_name": null,
          "text": "connection failed: connection to server at \"127.0.0.1\", port 60047 failed: FATAL:  role \"u28000_missing_fbc912bb7e6f\" does not exist"
        },
        "failed_connection_has_no_transaction": true,
        "missing_role": "u28000_missing_fbc912bb7e6f",
        "probe": 1,
        "probe_status": "IDLE",
        "server_error": {
          "C": "28000",
          "F": "miscinit.c",
          "L": "804",
          "M": "role \"u28000_missing_fbc912bb7e6f\" does not exist",
          "R": "InitializeSessionUserId",
          "S": "FATAL",
          "V": "FATAL"
        }
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      "assertions": [
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          "name": "server authorization SQLSTATE",
          "observed": "28000",
          "passed": true
        },
        {
          "expected": "FATAL",
          "name": "server authorization failure is FATAL",
          "observed": "FATAL",
          "passed": true
        },
        {
          "expected": "role \"u28000_missing_fbc912bb7e6f\" does not exist",
          "name": "server missing-role diagnostic",
          "observed": "role \"u28000_missing_fbc912bb7e6f\" does not exist",
          "passed": true
        },
        {
          "expected": "null (startup exception)",
          "name": "driver startup SQLSTATE boundary",
          "observed": null,
          "passed": true
        },
        {
          "expected": "SELECT 1 and IDLE",
          "name": "known connection remains usable",
          "observed": {
            "probe": 1,
            "status": "IDLE"
          },
          "passed": true
        }
      ],
      "cleanup": {
        "case": {
          "errors": [],
          "passed": true
        },
        "target_stop": {
          "argv": [
            "/opt/homebrew/Cellar/postgresql@18/18.6/bin/pg_ctl",
            "-D",
            "<local runtime artifact>",
            "-m",
            "fast",
            "-w",
            "stop"
          ],
          "elapsed_seconds": 0.109,
          "returncode": 0,
          "stderr": "",
          "stdout": "waiting for server to shut down.... done\nserver stopped\n"
        }
      },
      "limits": "Disposable runner-owned target only; this is a bounded mechanism case, not a guarantee for every client or network path."
    },
    {
      "id": "runtime.28000-conn-contract-pg10.pg10",
      "kind": "runtime_observation",
      "run_id": "28000-conn-contract-pg10",
      "target": "pg10",
      "status": "passed",
      "server_version": "10.21 (Debian 10.21-1.pgdg90+1)",
      "server_version_num": 100021,
      "cases": [
        "invalid_authorization"
      ],
      "summary_sha256": "3ae410746390cde17fa2d4c883361bbd6dc21726458c771ccabf0b32d01b14f8",
      "raw_sha256": "7ffc6c2d3c25c491c36c39de6257045670980520cd1da2462a6adf124bc0abaa",
      "case_manifest_sha256": "188147e72a59764e242b45c406cccd69a56cd8101b210403ebf33cec273693cc",
      "snippet_registry": {
        "sha256": "30eca9ec77f1b393fb74d2c53a660a7e601da82c26919f453c6fb18bc418f43a"
      },
      "environment": {
        "target_kind": "pg10",
        "server_version": "10.21 (Debian 10.21-1.pgdg90+1)",
        "server_version_num": "100021",
        "machine": "arm64",
        "platform": "macOS-26.6.2-arm64-arm-64bit-Mach-O",
        "libpq_version": "18.6",
        "psycopg_version": "3.3.5",
        "python_version": "3.14.6 (main, Jun 10 2026, 10:03:53) [Clang 21.0.0 (clang-2100.0.123.102)]",
        "locale": "en_US.UTF-8",
        "lc_messages": "en_US.utf8",
        "log_destination": "csvlog"
      },
      "observed": {
        "collector": {
          "primary": "role \"u28000_missing_25282cee130f\" does not exist",
          "severity": "FATAL",
          "sqlstate": "28000"
        },
        "diagnostic": {
          "column_name": null,
          "constraint_name": null,
          "context": null,
          "datatype_name": null,
          "exception_type": "OperationalError",
          "internal_position": null,
          "internal_query": null,
          "message_detail": null,
          "message_hint": null,
          "message_primary": null,
          "schema_name": null,
          "severity": null,
          "severity_nonlocalized": null,
          "source_file": null,
          "source_function": null,
          "source_line": null,
          "sqlstate": null,
          "statement_position": null,
          "table_name": null,
          "text": "connection failed: connection to server at \"127.0.0.1\", port 60052 failed: FATAL:  role \"u28000_missing_25282cee130f\" does not exist"
        },
        "failed_connection_has_no_transaction": true,
        "missing_role": "u28000_missing_25282cee130f",
        "probe": 1,
        "probe_status": "IDLE",
        "server_error": {
          "C": "28000",
          "F": "miscinit.c",
          "L": "518",
          "M": "role \"u28000_missing_25282cee130f\" does not exist",
          "R": "InitializeSessionUserId",
          "S": "FATAL",
          "V": "FATAL"
        }
      },
      "assertions": [
        {
          "expected": "28000",
          "name": "server authorization SQLSTATE",
          "observed": "28000",
          "passed": true
        },
        {
          "expected": "FATAL",
          "name": "server authorization failure is FATAL",
          "observed": "FATAL",
          "passed": true
        },
        {
          "expected": "role \"u28000_missing_25282cee130f\" does not exist",
          "name": "server missing-role diagnostic",
          "observed": "role \"u28000_missing_25282cee130f\" does not exist",
          "passed": true
        },
        {
          "expected": "null (startup exception)",
          "name": "driver startup SQLSTATE boundary",
          "observed": null,
          "passed": true
        },
        {
          "expected": "SELECT 1 and IDLE",
          "name": "known connection remains usable",
          "observed": {
            "probe": 1,
            "status": "IDLE"
          },
          "passed": true
        }
      ],
      "cleanup": {
        "case": {
          "errors": [],
          "passed": true
        },
        "target_stop": {
          "cleanup": {
            "argv": [
              "/usr/local/bin/docker",
              "rm",
              "-f",
              "-v",
              "sqlstate28000_28000conncontractpg10_pg10"
            ],
            "elapsed_seconds": 0.277,
            "returncode": 0,
            "stderr": "",
            "stdout": "sqlstate28000_28000conncontractpg10_pg10\n"
          },
          "inspect": {
            "argv": [
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              "inspect",
              "sqlstate28000_28000conncontractpg10_pg10"
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            "elapsed_seconds": 0.016,
            "returncode": 0,
            "stderr": "",
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{\n                \"Name\": \"no\",\n                \"MaximumRetryCount\": 0\n            },\n            \"AutoRemove\": false,\n            \"VolumeDriver\": \"\",\n            \"VolumesFrom\": null,\n            \"ConsoleSize\": [\n                0,\n                0\n            ],\n            \"CapAdd\": null,\n            \"CapDrop\": null,\n            \"CgroupnsMode\": \"private\",\n            \"Dns\": null,\n            \"DnsOptions\": [],\n            \"DnsSearch\": [],\n            \"ExtraHosts\": null,\n            \"GroupAdd\": null,\n            \"IpcMode\": \"private\",\n            \"Cgroup\": \"\",\n            \"Links\": null,\n            \"OomScoreAdj\": 0,\n            \"PidMode\": \"\",\n            \"Privileged\": false,\n            \"PublishAllPorts\": false,\n            \"ReadonlyRootfs\": false,\n            \"SecurityOpt\": null,\n            \"UTSMode\": \"\",\n            \"UsernsMode\": \"\",\n            \"ShmSize\": 67108864,\n            \"Runtime\": \"runc\",\n            \"Isolation\": \"\",\n            \"CpuShares\": 0,\n            \"Memory\": 0,\n            \"NanoCpus\": 0,\n            \"CgroupParent\": \"\",\n            \"BlkioWeight\": 0,\n            \"BlkioWeightDevice\": [],\n            \"BlkioDeviceReadBps\": [],\n            \"BlkioDeviceWriteBps\": [],\n            \"BlkioDeviceReadIOps\": [],\n            \"BlkioDeviceWriteIOps\": [],\n            \"CpuPeriod\": 0,\n            \"CpuQuota\": 0,\n            \"CpuRealtimePeriod\": 0,\n            \"CpuRealtimeRuntime\": 0,\n            \"CpusetCpus\": \"\",\n            \"CpusetMems\": \"\",\n            \"Devices\": [],\n            \"DeviceCgroupRules\": null,\n            \"DeviceRequests\": null,\n            \"MemoryReservation\": 0,\n            \"MemorySwap\": 0,\n            \"MemorySwappiness\": null,\n            \"OomKillDisable\": null,\n            \"PidsLimit\": null,\n            \"Ulimits\": [],\n            \"CpuCount\": 0,\n            \"CpuPercent\": 0,\n            \"IOMaximumIOps\": 0,\n            \"IOMaximumBandwidth\": 0,\n            \"MaskedPaths\": [\n                \"/proc/acpi\",\n                \"/proc/asound\",\n                \"/proc/interrupts\",\n                \"/proc/kcore\",\n                \"/proc/keys\",\n                \"/proc/latency_stats\",\n                \"/proc/sched_debug\",\n                \"/proc/scsi\",\n                \"/proc/timer_list\",\n                \"/proc/timer_stats\",\n                \"/sys/devices/virtual/powercap\",\n                \"/sys/firmware\"\n            ],\n            \"ReadonlyPaths\": [\n                \"/proc/bus\",\n                \"/proc/fs\",\n                \"/proc/irq\",\n                \"/proc/sys\",\n                \"/proc/sysrq-trigger\"\n            ]\n        },\n        \"Storage\": {\n            \"RootFS\": {\n                \"Snapshot\": {\n                    \"Name\": \"overlayfs\"\n                }\n            }\n        },\n        \"Mounts\": [\n            {\n                \"Type\": \"volume\",\n                \"Name\": \"52ed878f656abb229c5bda9d6e70f0823722b3a9bdb946c68912b58e7972582d\",\n                \"Source\": \"/var/lib/docker/volumes/52ed878f656abb229c5bda9d6e70f0823722b3a9bdb946c68912b58e7972582d/_data\",\n                \"Destination\": \"/var/lib/postgresql/data\",\n                \"Driver\": \"local\",\n                \"Mode\": \"\",\n                \"RW\": true,\n                \"Propagation\": \"\"\n            }\n        ],\n        \"Config\": {\n            \"Hostname\": \"aa430e5ff01d\",\n            \"Domainname\": \"\",\n            \"User\": \"\",\n            \"AttachStdin\": false,\n            \"AttachStdout\": false,\n            \"AttachStderr\": false,\n            \"ExposedPorts\": {\n                \"5432/tcp\": {}\n            },\n            \"Tty\": false,\n            \"OpenStdin\": false,\n            \"StdinOnce\": false,\n            \"Env\": [\n                \"POSTGRES_HOST_AUTH_METHOD=trust\",\n                \"PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/lib/postgresql/10/bin\",\n                \"GOSU_VERSION=1.14\",\n                \"LANG=en_US.utf8\",\n                \"PG_MAJOR=10\",\n                \"PG_VERSION=10.21-1.pgdg90+1\",\n                \"PGDATA=/var/lib/postgresql/data\"\n            ],\n            \"Cmd\": [\n                \"postgres\",\n                \"-c\",\n                \"listen_addresses=*\",\n                \"-c\",\n                \"log_destination=csvlog\",\n                \"-c\",\n                \"logging_collector=on\",\n                \"-c\",\n                \"log_directory=log\",\n                \"-c\",\n                \"log_filename=postgresql-%Y%m%d%H%M%S.log\",\n                \"-c\",\n                \"log_min_messages=error\",\n                \"-c\",\n                \"log_min_error_statement=error\",\n                \"-c\",\n                \"log_error_verbosity=verbose\",\n                \"-c\",\n                \"wal_level=logical\",\n                \"-c\",\n                \"max_wal_senders=10\",\n                \"-c\",\n                \"max_replication_slots=10\"\n            ],\n            \"Image\": \"postgres@sha256:b2baf8998630663d21370da06387c950e587071bdd307ee34e661cdcc7442bcc\",\n            \"Volumes\": {\n                \"/var/lib/postgresql/data\": {}\n            },\n            \"WorkingDir\": \"\",\n            \"Entrypoint\": [\n                \"docker-entrypoint.sh\"\n            ],\n            \"Labels\": {},\n            \"StopSignal\": \"SIGINT\",\n            \"StopTimeout\": 1\n        },\n        \"NetworkSettings\": {\n            \"SandboxID\": \"6ad1c1780da682448a4a31261a60105621d397a0f6902f1b917072cc7ecf54d4\",\n            \"SandboxKey\": \"/var/run/docker/netns/6ad1c1780da6\",\n            \"Ports\": {\n                \"5432/tcp\": [\n                    {\n                        \"HostIp\": \"127.0.0.1\",\n                        \"HostPort\": \"60052\"\n                    }\n                ]\n            },\n            \"Networks\": {\n                \"bridge\": {\n                    \"IPAMConfig\": null,\n                    \"Links\": null,\n                    \"Aliases\": null,\n                    \"DriverOpts\": null,\n                    \"GwPriority\": 0,\n                    \"NetworkID\": \"aed51554f8cd8bac69ecd4f073e41e147fda7b458e9d95be2af472651f2e825c\",\n                    \"EndpointID\": \"ac018d4288c519a04bbcbb6c7cc99a7b6ffe0254915dc64f57b56777db9f4bc7\",\n                    \"Gateway\": \"172.17.0.1\",\n                    \"IPAddress\": \"172.17.0.53\",\n                    \"MacAddress\": \"96:d0:ac:e7:8c:a3\",\n                    \"IPPrefixLen\": 16,\n                    \"IPv6Gateway\": \"\",\n                    \"GlobalIPv6Address\": \"\",\n                    \"GlobalIPv6PrefixLen\": 0,\n                    \"DNSNames\": null\n                }\n            }\n        },\n        \"ImageManifestDescriptor\": {\n            \"mediaType\": \"application/vnd.docker.distribution.manifest.v2+json\",\n            \"digest\": \"sha256:52aada7978f1eef3b6b52a51afb7a3defd69254d00c946cb90d2ceb32b8ffce7\",\n            \"size\": 3246,\n            \"platform\": {\n                \"architecture\": \"arm64\",\n                \"os\": \"linux\",\n                \"variant\": \"v8\"\n            }\n        }\n    }\n]\n"
          }
        }
      },
      "limits": "Disposable runner-owned target only; this is a bounded mechanism case, not a guarantee for every client or network path.",
      "image": "postgres:10"
    }
  ]
}