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Wiki / SQLSTATE

42883 — 未定义函数（undefined_function）

按名称和参数类型找不到匹配的函数或操作符。

英文手册覆盖始于 PostgreSQL 8.1. 来源历史与运行验证各自保留独立版本边界。

当前阅读 PG 18·选择有来源记录的版本

8.18.28.38.49.09.19.29.39.49.59.61011121314151617181920
aliases
未知
class name
Syntax Error or Access Rule Violation
condition name
undefined_function
lang
en
sqlstate
42883

版本定义 PG 18

42883 — 未定义函数（undefined_function）

速览 {#at-a-glance}

42883 是 undefined_function（未定义函数）：按名称和输入类型没有兼容函数。解析器的未定义操作符分支也会使用该条件。本案例在函数不存在时调用模式限定的整数签名。

含义 {#meaning}

解析器同时解析名称、模式可见性、输入类型和重载。选定函数组报告 function %s does not exist，提示没有匹配函数；同一 SQLSTATE 的 parse_oper.c 分支会报告 operator does not exist: %s 及对应操作符提示。区分 42725 的候选歧义和 42846 的表达式转换失败。函数要检查 pg_proc/identity arguments，操作符要检查 pg_operator 和两个操作数类型。扩展提供的例程或操作符也可能在当前服务器或版本不可用，因此可用性本身属于诊断范围。

诊断 {#diagnosis}

记录完整名称和签名。函数用 pg_proc 与 pg_get_function_identity_arguments 查询，操作符检查 pg_operator 及两个操作数类型。核对 current_schema 与 search_path，但不要预设换路径就是正确答案；确认对象是函数、过程、操作符还是扩展提供的特性。若怀疑扩展或版本差异，先检查已安装扩展元数据和 server_version_num。

处理 {#response}

显式调用预期签名；拥有 API 时在目标模式创建精确函数。若缺失对象由扩展或较新服务器特性提供，只有部署契约要求时才安装或启用该依赖，不要因为查找失败就创建替代品。不要盲目改 search_path 或加 cast，它们可能选中另一例程或操作符。案例创建 missing_function(integer) 并返回 42。显式事务中错误会使事务保持 INERROR，应先回滚或回到合适的 savepoint；自动提交错误后为 IDLE。

实测诊断 {#messages}

选定解析器函数组是 ERROR：主报文 function %s does not exist，提示为 No function matches the given name and argument types. You might need to add explicit type casts. 仅源码确认的操作符组同样是 ERROR：主报文 operator does not exist: %s；两个操作数类型已知时提示为 No operator matches the given name and argument types. You might need to add explicit type casts.，缺少一个操作数类型时使用单数 type 版本。这些是共享 42883 的不同产生路径。

代表案例 {#case}

运行器调用缺失模式限定函数，检查展开签名与状态，创建精确整数签名后再次调用。

SELECT syntax_schema.missing_function(41);
CREATE FUNCTION syntax_schema.missing_function(integer) RETURNS integer LANGUAGE SQL AS 'SELECT $1 + 1';
SELECT syntax_schema.missing_function(41);

选定的 18.6 与 10.21 运行均通过 SQLSTATE、严重级别、状态/恢复、修复、清理和一次性实例停止断言。详见 案例 JSON 与 作者证据；私有清单和注册表哈希也记录在其中。

版本 {#versions}

锁定目录从 7.4 存在边界起包含该条件并列出相关快照。选定自然案例已在 PostgreSQL 18.6 与 10.21 通过；这是有界观察，不能推断所有中间版本或所有源码分支。

相关 {#related}

来源 {#sources}

  • src.errcodes.REL_18_6 — fixed definition at 724edf9bde9d356724ad384a2e196edc3c9f80f7; SHA-256 6e8de346643ba84aa3c9c6a73360acfc7b2dfb89162c06c08ce9bf5bcd5bbcba (source).
  • src.undefined-function.18.6 — src/backend/parser/parse_func.c lines 629–636 at 724edf9bde9d356724ad384a2e196edc3c9f80f7; blob SHA-256 48314eab022297478ac4e49786afaff2621ab7b1d7b50e156668cf477961384f (source).
  • src.undefined-function.10.23 — src/backend/parser/parse_func.c lines 521–528 at 02991e79f8f58bc208f05dcc8af0c62dbe0a6ea4; blob SHA-256 f1b4af88565ca01dbad2b244cd26b42f34764b3f1343b22a9231e271fb0742f2 (source).
  • src.undefined-operator.18.6 — src/backend/parser/parse_oper.c lines 619–644 at 724edf9bde9d356724ad384a2e196edc3c9f80f7; blob SHA-256 3866ce3302c2a4bd22d0f1d113a4bbc627278a618d5e7b83660e36240cbdd0a8 (source).
  • src.undefined-operator.10.23 — src/backend/parser/parse_oper.c lines 706–728 at 02991e79f8f58bc208f05dcc8af0c62dbe0a6ea4; blob SHA-256 5802db6d55bdb41f9cad4957384fa2c2ddbb4dc902c33f5f57e8a07760761d10 (source).
  • src.calls.REL_18_6 / src.calls.REL_10_23 — fixed call scans, SHA-256 9ee8a0e81d8f0825c5c1ae45583439859a26e602bdd4ce2f2a62aa278867ccbf / 00d16d3eb01b71ccf1b245c8f3102f9d0ec9f36fb02777b8dd1b99fcb263040c.
  • manifest.42883 / snippet-registry.42883 — hashes are recorded in evidence/42883.json and each runtime record.

比较版本

SQLSTATE 证据与已记录的运行版本

cases · missing_function_resolution
{
  "assertions": [
    "SQLSTATE is 42883 and the diagnostic names the missing function signature",
    "The failed autocommit session remains IDLE",
    "Creating the exact integer signature then returns 42"
  ],
  "case_id": "missing_function_resolution",
  "cleanup": "Drop the runner schema and its function.",
  "has_snippet": true,
  "position": 0,
  "preconditions": [
    "A runner-owned disposable target is provisioned."
  ],
  "repair": "Check schema visibility, function/operator name, argument types, and overload resolution; create or call the intended signature rather than blindly changing search_path.",
  "trigger": "Call a schema-qualified function with an integer argument before that signature exists.",
  "versions": [
    "10",
    "18"
  ]
}
claims · identity.class-and-condition
{
  "claim_id": "identity.class-and-condition",
  "limits": "Identity does not identify every backend call that can reuse this SQLSTATE.",
  "method": "Read fixed errcodes.txt and locked catalogue metadata.",
  "position": 0,
  "runtime": [],
  "sources": [
    "src.errcodes.REL_18_6"
  ],
  "statement": "42883 is the undefined_function condition in Class 42."
}
claims · mechanism.selected-source-path
{
  "claim_id": "mechanism.selected-source-path",
  "limits": "This is one mechanism boundary, not an exhaustive inventory of the code.",
  "method": "Trace the REL_18_6 and REL_10_23 source-call records at the locked commits.",
  "position": 1,
  "runtime": [],
  "sources": [
    "src.undefined-function.18.6",
    "src.undefined-function.10.23"
  ],
  "statement": "The selected missing_function_resolution follows a resolved PostgreSQL source-call group; other branches can use different dynamic fields."
}
claims · mechanism.reader-boundary
{
  "claim_id": "mechanism.reader-boundary",
  "limits": "The claim describes the selected path and does not generalize to every branch sharing this SQLSTATE.",
  "method": "Combine the selected source call, registry SQL, and passed structured assertions.",
  "position": 2,
  "runtime": [],
  "sources": [
    "src.undefined-function.18.6",
    "src.undefined-function.10.23",
    "src.undefined-operator.18.6",
    "src.undefined-operator.10.23",
    "snippet-registry.42883"
  ],
  "statement": "Resolve function or operator name, schema visibility, exact argument types, overloads, and extension/server feature availability before changing search_path or casts."
}
claims · mechanism.operator-resolution
{
  "claim_id": "mechanism.operator-resolution",
  "limits": "The selected runtime exercises the function producer; operator resolution and extension/version availability remain source-only here.",
  "method": "Read the complete fixed op_error branch in both locked parse_oper.c snapshots.",
  "position": 3,
  "runtime": [],
  "sources": [
    "src.undefined-operator.18.6",
    "src.undefined-operator.10.23"
  ],
  "statement": "parse_oper.c reuses 42883 for an unresolved operator and formats the operator signature with a plural or singular operand-type hint depending on which argument types are known."
}
claims · runtime.representative-case
{
  "claim_id": "runtime.representative-case",
  "limits": "Scope is limited to these statements, psycopg, and two versions.",
  "method": "Run the shared SQL registry and inspect SQLSTATE, severity, state, repair, cleanup, and target stop.",
  "position": 4,
  "runtime": [
    "runtime.syntax2-42883-latest.latest",
    "runtime.syntax2-42883-pg10.pg10"
  ],
  "sources": [
    "manifest.42883",
    "snippet-registry.42883"
  ],
  "statement": "The selected missing_function_resolution passed on isolated PostgreSQL 18.6 and 10.21 targets."
}
claims · versions.catalogue-boundary
{
  "claim_id": "versions.catalogue-boundary",
  "limits": "Definition presence is not an exact behavioral introduction; two runtime versions do not prove every intermediate behavior.",
  "method": "Read generated facts, fixed calls, and selected summaries.",
  "position": 5,
  "runtime": [],
  "sources": [
    "src.errcodes.REL_18_6",
    "src.calls.REL_18_6",
    "src.calls.REL_10_23"
  ],
  "statement": "The locked catalogue records 42883 from the 7.4 presence bound through the listed snapshots; runtime scope is 18.6 and 10.21."
}
messages · message.missing_function_resolution
{
  "limits": "",
  "message_id": "message.missing_function_resolution",
  "path": "",
  "position": 0,
  "raw": {
    "hint_template": "No function matches the given name and argument types. You might need to add explicit type casts.",
    "id": "message.missing_function_resolution",
    "primary_template": "function %s does not exist",
    "severity_source": "explicit ERROR",
    "sources": [
      "src.undefined-function.18.6",
      "src.undefined-function.10.23"
    ],
    "sqlstate": "42883"
  },
  "severity": "explicit ERROR",
  "sources": [
    "src.undefined-function.18.6",
    "src.undefined-function.10.23"
  ],
  "templates": [
    {
      "kind": "primary",
      "literal": "function does not exist",
      "position": 0,
      "role": "",
      "template": "function %s does not exist"
    },
    {
      "kind": "hint",
      "literal": "No function matches the given name and argument types. You might need to add explicit type casts.",
      "position": 1,
      "role": "",
      "template": "No function matches the given name and argument types. You might need to add explicit type casts."
    }
  ]
}
messages · message.missing_operator_resolution
{
  "limits": "",
  "message_id": "message.missing_operator_resolution",
  "path": "",
  "position": 1,
  "raw": {
    "hint_variants": [
      {
        "condition": "both operand types are known",
        "template": "No operator matches the given name and argument types. You might need to add explicit type casts."
      },
      {
        "condition": "one operand type is unknown",
        "template": "No operator matches the given name and argument type. You might need to add an explicit type cast."
      }
    ],
    "id": "message.missing_operator_resolution",
    "primary_template": "operator does not exist: %s",
    "severity_source": "explicit ERROR",
    "sources": [
      "src.undefined-operator.18.6",
      "src.undefined-operator.10.23"
    ],
    "sqlstate": "42883"
  },
  "severity": "explicit ERROR",
  "sources": [
    "src.undefined-operator.18.6",
    "src.undefined-operator.10.23"
  ],
  "templates": [
    {
      "kind": "primary",
      "literal": "operator does not exist:",
      "position": 0,
      "role": "",
      "template": "operator does not exist: %s"
    },
    {
      "kind": "hint",
      "literal": "No operator matches the given name and argument types. You might need to add explicit type casts.",
      "position": 1,
      "role": "",
      "template": "No operator matches the given name and argument types. You might need to add explicit type casts."
    },
    {
      "kind": "hint",
      "literal": "No operator matches the given name and argument type. You might need to add an explicit type cast.",
      "position": 2,
      "role": "",
      "template": "No operator matches the given name and argument type. You might need to add an explicit type cast."
    }
  ]
}
runtimes · runtime.syntax2-42883-latest.latest · 18.6 (Homebrew) · passed
{
  "cases": [
    "missing_function_resolution"
  ],
  "limits": "",
  "position": 0,
  "raw": {
    "assertions": [
      {
        "expected": "42883",
        "name": "42883 SQLSTATE",
        "observed": "42883",
        "passed": true
      },
      {
        "expected": "ERROR",
        "name": "42883 ERROR severity",
        "observed": "ERROR",
        "passed": true
      },
      {
        "expected": "missing_function(integer) does not exist",
        "name": "undefined function diagnostic includes name and signature",
        "observed": "function c42883_missing_function_resolution.missing_function(integer) does not exist",
        "passed": true
      },
      {
        "expected": "IDLE",
        "name": "undefined function leaves autocommit session usable",
        "observed": "IDLE",
        "passed": true
      },
      {
        "expected": {
          "status": "IDLE",
          "value": 42
        },
        "name": "creating the exact integer signature repairs lookup",
        "observed": {
          "error": true,
          "status": "IDLE",
          "value": 42
        },
        "passed": true
      }
    ],
    "case_manifest": {
      "id": "manifest.42883",
      "kind": "local_artifact",
      "path": "verify/cases/42883/cases.json",
      "sha256": "93525c5a0711f2feb9107b0b42d678bcb93ea48221f10894788c3b27568f3178",
      "source_role": "case_manifest"
    },
    "cases": [
      "missing_function_resolution"
    ],
    "cleanup": {
      "errors": [],
      "passed": true
    },
    "environment": {
      "TimeZone": "Asia/Shanghai",
      "backend_pid": 29899,
      "binary": {
        "bindir": "/opt/homebrew/Cellar/postgresql@18/18.6/bin",
        "pg_config": "/opt/homebrew/bin/pg_config",
        "pg_config_version": "PostgreSQL 18.6 (Homebrew)",
        "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",
      "log_min_error_statement": "error",
      "log_min_messages": "error",
      "logging_collector": "on",
      "machine": "arm64",
      "max_connections": "100",
      "platform": "macOS-26.6.2-arm64-arm-64bit-Mach-O",
      "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)]",
      "server_encoding": "UTF8",
      "server_version": "18.6 (Homebrew)",
      "server_version_num": "180006",
      "target_kind": "latest",
      "wal_level": "logical"
    },
    "id": "runtime.syntax2-42883-latest.latest",
    "observed": {
      "connection_autocommit": true,
      "diagnostic": {
        "column_name": null,
        "constraint_name": null,
        "context": null,
        "datatype_name": null,
        "exception_type": "UndefinedFunction",
        "internal_position": null,
        "internal_query": null,
        "message_detail": null,
        "message_hint": "No function matches the given name and argument types. You might need to add explicit type casts.",
        "message_primary": "function c42883_missing_function_resolution.missing_function(integer) does not exist",
        "schema_name": null,
        "severity": "ERROR",
        "severity_nonlocalized": "ERROR",
        "source_file": "parse_func.c",
        "source_function": "ParseFuncOrColumn",
        "source_line": "636",
        "sqlstate": "42883",
        "statement_position": "8",
        "table_name": null,
        "text": "function c42883_missing_function_resolution.missing_function(integer) does not exist\nLINE 1: SELECT \"c42883_missing_function_resolution\".missing_function...\n               ^\nHINT:  No function matches the given name and argument types. You might need to add explicit type casts."
      },
      "failed_status": "IDLE",
      "repair_status": "IDLE",
      "repair_value": 42
    },
    "raw": "verify/results/syntax2-42883-latest/latest/raw.jsonl",
    "raw_sha256": "05d9c68eedf0bf0cbdce86869d7037172b39f1e671883b6e1d69d95ddd882b32",
    "run_id": "syntax2-42883-latest",
    "server_version": "18.6 (Homebrew)",
    "server_version_num": 180006,
    "snippet_registry": {
      "id": "snippet-registry.42883",
      "kind": "local_artifact",
      "path": "verify/cases/42883/snippets.json",
      "sha256": "9b85f7d06d85ecf0a5389f6f507c1b62bbd9c94ab183cb26c0f29d015f90cecc",
      "source_role": "snippet_registry"
    },
    "status": "passed",
    "summary": "verify/results/syntax2-42883-latest/latest/summary.json",
    "summary_sha256": "cf925fb0bb74077a48829156d677b2da804f9f12307524991e293765ea70da1e",
    "target": "latest",
    "target_stop": {
      "argv": [
        "/opt/homebrew/Cellar/postgresql@18/18.6/bin/pg_ctl",
        "-D",
        "/Users/vonng/pgcenter/err-code/.cache/runtime/syntax2-42883-latest/latest/data",
        "-m",
        "fast",
        "-w",
        "stop"
      ],
      "elapsed_seconds": 0.111,
      "returncode": 0,
      "stderr": "",
      "stdout": "waiting for server to shut down.... done\nserver stopped\n"
    }
  },
  "run_id": "syntax2-42883-latest",
  "runtime_id": "runtime.syntax2-42883-latest.latest",
  "server_version": "18.6 (Homebrew)",
  "status": "passed",
  "target": "latest"
}
runtimes · runtime.syntax2-42883-pg10.pg10 · 10.21 (Debian 10.21-1.pgdg90+1) · passed
{
  "cases": [
    "missing_function_resolution"
  ],
  "limits": "",
  "position": 1,
  "raw": {
    "assertions": [
      {
        "expected": "42883",
        "name": "42883 SQLSTATE",
        "observed": "42883",
        "passed": true
      },
      {
        "expected": "ERROR",
        "name": "42883 ERROR severity",
        "observed": "ERROR",
        "passed": true
      },
      {
        "expected": "missing_function(integer) does not exist",
        "name": "undefined function diagnostic includes name and signature",
        "observed": "function c42883_missing_function_resolution.missing_function(integer) does not exist",
        "passed": true
      },
      {
        "expected": "IDLE",
        "name": "undefined function leaves autocommit session usable",
        "observed": "IDLE",
        "passed": true
      },
      {
        "expected": {
          "status": "IDLE",
          "value": 42
        },
        "name": "creating the exact integer signature repairs lookup",
        "observed": {
          "error": true,
          "status": "IDLE",
          "value": 42
        },
        "passed": true
      }
    ],
    "case_manifest": {
      "id": "manifest.42883",
      "kind": "local_artifact",
      "path": "verify/cases/42883/cases.json",
      "sha256": "93525c5a0711f2feb9107b0b42d678bcb93ea48221f10894788c3b27568f3178",
      "source_role": "case_manifest"
    },
    "cases": [
      "missing_function_resolution"
    ],
    "cleanup": {
      "errors": [],
      "passed": true
    },
    "environment": {
      "TimeZone": "Etc/UTC",
      "backend_pid": 79,
      "binary": {},
      "connection_scope": "runner-owned localhost port",
      "current_user": "postgres",
      "docker": {
        "architecture": "arm64",
        "command": "/usr/local/bin/docker",
        "digest": "sha256:b2baf8998630663d21370da06387c950e587071bdd307ee34e661cdcc7442bcc",
        "id": "sha256:b2baf8998630663d21370da06387c950e587071bdd307ee34e661cdcc7442bcc",
        "image": "postgres:10",
        "image_created": "2022-06-23T09:11:18.374607054Z",
        "image_ref": "postgres@sha256:b2baf8998630663d21370da06387c950e587071bdd307ee34e661cdcc7442bcc",
        "log_destination": "csvlog",
        "os": "linux",
        "repo_digests": [
          "postgres@sha256:b2baf8998630663d21370da06387c950e587071bdd307ee34e661cdcc7442bcc"
        ]
      },
      "lc_messages": "en_US.utf8",
      "libpq_version": "18.6",
      "locale": "C.UTF-8",
      "log_destination": "csvlog",
      "log_error_verbosity": "verbose",
      "log_min_error_statement": "error",
      "log_min_messages": "error",
      "logging_collector": "on",
      "machine": "arm64",
      "max_connections": "100",
      "platform": "macOS-26.6.2-arm64-arm-64bit-Mach-O",
      "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)]",
      "server_encoding": "UTF8",
      "server_version": "10.21 (Debian 10.21-1.pgdg90+1)",
      "server_version_num": "100021",
      "target_kind": "pg10",
      "wal_level": "logical"
    },
    "id": "runtime.syntax2-42883-pg10.pg10",
    "observed": {
      "connection_autocommit": true,
      "diagnostic": {
        "column_name": null,
        "constraint_name": null,
        "context": null,
        "datatype_name": null,
        "exception_type": "UndefinedFunction",
        "internal_position": null,
        "internal_query": null,
        "message_detail": null,
        "message_hint": "No function matches the given name and argument types. You might need to add explicit type casts.",
        "message_primary": "function c42883_missing_function_resolution.missing_function(integer) does not exist",
        "schema_name": null,
        "severity": "ERROR",
        "severity_nonlocalized": "ERROR",
        "source_file": "parse_func.c",
        "source_function": "ParseFuncOrColumn",
        "source_line": "528",
        "sqlstate": "42883",
        "statement_position": "8",
        "table_name": null,
        "text": "function c42883_missing_function_resolution.missing_function(integer) does not exist\nLINE 1: SELECT \"c42883_missing_function_resolution\".missing_function...\n               ^\nHINT:  No function matches the given name and argument types. You might need to add explicit type casts."
      },
      "failed_status": "IDLE",
      "repair_status": "IDLE",
      "repair_value": 42
    },
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\"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\": \"42ef8ca21d1480e7df35b45cd92dc9c343255f5017d77574afbbb8ab321e1cc7\",\n                \"Source\": \"/var/lib/docker/volumes/42ef8ca21d1480e7df35b45cd92dc9c343255f5017d77574afbbb8ab321e1cc7/_data\",\n                \"Destination\": \"/var/lib/postgresql/data\",\n                \"Driver\": \"local\",\n                \"Mode\": \"\",\n                \"RW\": true,\n                \"Propagation\": \"\"\n            }\n        ],\n        \"Config\": {\n            \"Hostname\": \"15ffa60d9f5a\",\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         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\"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\": \"1218f9a4d8d184d51175e7e16a981cddf8ec1a3b19c2381fe8bb261b5974ea56\",\n            \"SandboxKey\": \"/var/run/docker/netns/1218f9a4d8d1\",\n            \"Ports\": {\n                \"5432/tcp\": [\n                    {\n                        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sources · src.errcodes.REL_18_6
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sources · src.calls.REL_18_6
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sources · src.calls.REL_10_23
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sources · src.undefined-function.18.6
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sources · src.undefined-function.10.23
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sources · src.undefined-operator.18.6
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sources · src.undefined-operator.10.23
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sources · manifest.42883
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sources · snippet-registry.42883
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}

来源引用

完整定义与证据 JSON

定义来源

center · PostgreSQL 18 · english-manuals:edaf07829cfd330fdbbef7bc48a8f7f688ae4c691b8f5f7752c06689106a4354

正文语言: zh-Hans · english-manuals:edaf07829cfd330fdbbef7bc48a8f7f688ae4c691b8f5f7752c06689106a4354