{
  "schema": 1,
  "sqlstate": "42712",
  "condition_name": "duplicate_alias",
  "runner": "scripts/verify_cases.py",
  "targets": {
    "latest": {
      "binary": "Homebrew PostgreSQL 18.6",
      "required": true
    },
    "pg10": {
      "image": "postgres:10",
      "required": true
    }
  },
  "cases": [
    {
      "id": "duplicate_table_alias",
      "versions": [
        "10",
        "18"
      ],
      "preconditions": [
        "A runner-owned disposable target is provisioned."
      ],
      "trigger": "Use the same table alias for two VALUES relations in one SELECT.",
      "assertions": [
        "SQLSTATE is 42712 with the duplicate table-name message",
        "The failed autocommit session remains IDLE",
        "Distinct aliases return the two input values"
      ],
      "repair": "Give each range-table entry a distinct alias; do not rename unrelated catalog objects.",
      "cleanup": "Close the runner connection; no persistent objects are created."
    }
  ],
  "evidence_status": "authored",
  "snippets": [
    {
      "id": "duplicate_table_alias",
      "case_id": "duplicate_table_alias",
      "language": "sql",
      "statements": {
        "trigger": "SELECT * FROM (VALUES (1)) AS duplicate_alias(value), (VALUES (2)) AS duplicate_alias(value)",
        "repair": "SELECT left_alias.value, right_alias.value FROM (VALUES (1)) AS left_alias(value), (VALUES (2)) AS right_alias(value)"
      }
    }
  ],
  "runtime": [
    {
      "id": "runtime.syntax2-42712-latest.latest",
      "run_id": "syntax2-42712-latest",
      "target": "latest",
      "status": "passed",
      "server_version": "18.6 (Homebrew)",
      "server_version_num": 180006,
      "summary_sha256": "d8240f5c4a9d01a5f3af6a8d1cb37e41e95a4d8ffca251c35746fa564520b11a",
      "raw_sha256": "ac05886a7dc7ae2c117d4b1985ff5fc7cb487639875d56efa6d6444fc38efdca",
      "case_manifest": {
        "id": "manifest.42712",
        "kind": "local_artifact",
        "source_role": "case_manifest",
        "sha256": "3d2d5d606d689b38e8a9080b2713b25c90be4b6640c3c7b06cf49e9517339f68"
      },
      "snippet_registry": {
        "id": "snippet-registry.42712",
        "kind": "local_artifact",
        "source_role": "snippet_registry",
        "sha256": "d4dc74128d213519064d9dc9664909040b8969c5824967e898160e7ac23883f1"
      },
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          "pg_config": "/opt/homebrew/bin/pg_config",
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          "postgres": "/opt/homebrew/Cellar/postgresql@18/18.6/bin/postgres"
        },
        "connection_scope": "runner-owned localhost port",
        "current_user": "runner",
        "docker": {},
        "lc_messages": "C",
        "libpq_version": "18.6",
        "locale": "C.UTF-8",
        "log_destination": "csvlog,jsonlog",
        "log_error_verbosity": "verbose",
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        "logging_collector": "on",
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        "server_version": "18.6 (Homebrew)",
        "server_version_num": "180006",
        "target_kind": "latest",
        "wal_level": "logical"
      },
      "cases": [
        "duplicate_table_alias"
      ],
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        "diagnostic": {
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          "constraint_name": null,
          "context": null,
          "datatype_name": null,
          "exception_type": "DuplicateAlias",
          "internal_position": null,
          "internal_query": null,
          "message_detail": null,
          "message_hint": null,
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          "schema_name": null,
          "severity": "ERROR",
          "severity_nonlocalized": "ERROR",
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          "source_function": "checkNameSpaceConflicts",
          "source_line": "474",
          "sqlstate": "42712",
          "statement_position": null,
          "table_name": null,
          "text": "table name \"duplicate_alias\" specified more than once"
        },
        "failed_status": "IDLE",
        "repair_rows": [
          [
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            2
          ]
        ],
        "repair_status": "IDLE"
      },
      "assertions": [
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          "name": "42712 SQLSTATE",
          "observed": "42712",
          "passed": true
        },
        {
          "expected": "ERROR",
          "name": "42712 ERROR severity",
          "observed": "ERROR",
          "passed": true
        },
        {
          "expected": "table name \"duplicate_alias\" specified more than once",
          "name": "42712 primary diagnostic",
          "observed": "table name \"duplicate_alias\" specified more than once",
          "passed": true
        },
        {
          "expected": "IDLE",
          "name": "duplicate alias leaves autocommit session usable",
          "observed": "IDLE",
          "passed": true
        },
        {
          "expected": {
            "rows": [
              [
                1,
                2
              ]
            ],
            "status": "IDLE"
          },
          "name": "distinct aliases repair the query namespace",
          "observed": {
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                2
              ]
            ],
            "status": "IDLE"
          },
          "passed": true
        }
      ],
      "cleanup": {
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        "passed": true
      },
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            "pg_config_version": "PostgreSQL 18.6 (Homebrew)",
            "postgres": "/opt/homebrew/Cellar/postgresql@18/18.6/bin/postgres"
          },
          "connection_scope": "runner-owned localhost port",
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          "docker": {},
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          "log_destination": "csvlog,jsonlog",
          "log_error_verbosity": "verbose",
          "log_min_error_statement": "error",
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          "logging_collector": "on",
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          "server_version": "18.6 (Homebrew)",
          "server_version_num": "180006",
          "target_kind": "latest",
          "wal_level": "logical"
        },
        "cases": [
          {
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                "name": "42712 SQLSTATE",
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              },
              {
                "expected": "ERROR",
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                "passed": true
              },
              {
                "expected": "table name \"duplicate_alias\" specified more than once",
                "name": "42712 primary diagnostic",
                "observed": "table name \"duplicate_alias\" specified more than once",
                "passed": true
              },
              {
                "expected": "IDLE",
                "name": "duplicate alias leaves autocommit session usable",
                "observed": "IDLE",
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              },
              {
                "expected": {
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                    [
                      1,
                      2
                    ]
                  ],
                  "status": "IDLE"
                },
                "name": "distinct aliases repair the query namespace",
                "observed": {
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                      2
                    ]
                  ],
                  "status": "IDLE"
                },
                "passed": true
              }
            ],
            "case_id": "duplicate_table_alias",
            "cleanup": {
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              "passed": true
            },
            "elapsed_seconds": 0.006,
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                "constraint_name": null,
                "context": null,
                "datatype_name": null,
                "exception_type": "DuplicateAlias",
                "internal_position": null,
                "internal_query": null,
                "message_detail": null,
                "message_hint": null,
                "message_primary": "table name \"duplicate_alias\" specified more than once",
                "schema_name": null,
                "severity": "ERROR",
                "severity_nonlocalized": "ERROR",
                "source_file": "parse_relation.c",
                "source_function": "checkNameSpaceConflicts",
                "source_line": "474",
                "sqlstate": "42712",
                "statement_position": null,
                "table_name": null,
                "text": "table name \"duplicate_alias\" specified more than once"
              },
              "failed_status": "IDLE",
              "repair_rows": [
                [
                  1,
                  2
                ]
              ],
              "repair_status": "IDLE"
            },
            "schema": "c42712_duplicate_table_alias",
            "status": "passed"
          }
        ]
      }
    },
    {
      "id": "runtime.syntax2-42712-pg10.pg10",
      "run_id": "syntax2-42712-pg10",
      "target": "pg10",
      "status": "passed",
      "server_version": "10.21 (Debian 10.21-1.pgdg90+1)",
      "server_version_num": 100021,
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          "image_created": "2022-06-23T09:11:18.374607054Z",
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          "text": "table name \"duplicate_alias\" specified more than once"
        },
        "failed_status": "IDLE",
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        },
        {
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              {
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              },
              {
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              },
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                },
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              }
            ],
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            },
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                "sqlstate": "42712",
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                "text": "table name \"duplicate_alias\" specified more than once"
              },
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  ]
}