[
  {
    "PLpgSQL_function": {
      "action": {
        "PLpgSQL_stmt_block": {
          "body": [
            {
              "PLpgSQL_stmt_execsql": {
                "into": true,
                "lineno": 5,
                "sqlstmt": {
                  "PLpgSQL_expr": {
                    "parseMode": 0,
                    "query": "SELECT details FROM t             WHERE col = input"
                  }
                },
                "target": {
                  "PLpgSQL_row": {
                    "fields": [
                      {
                        "name": "result",
                        "varno": 2
                      }
                    ],
                    "lineno": 5,
                    "refname": "(unnamed row)"
                  }
                }
              }
            },
            {
              "PLpgSQL_stmt_return": {
                "expr": {
                  "PLpgSQL_expr": {
                    "parseMode": 2,
                    "query": "result"
                  }
                },
                "lineno": 6
              }
            }
          ],
          "lineno": 4
        }
      },
      "datums": [
        {
          "PLpgSQL_var": {
            "datatype": {
              "PLpgSQL_type": {
                "typname": "UNKNOWN"
              }
            },
            "refname": "input"
          }
        },
        {
          "PLpgSQL_var": {
            "datatype": {
              "PLpgSQL_type": {
                "typname": "UNKNOWN"
              }
            },
            "refname": "found"
          }
        },
        {
          "PLpgSQL_var": {
            "datatype": {
              "PLpgSQL_type": {
                "typname": "jsonb"
              }
            },
            "lineno": 3,
            "refname": "result"
          }
        },
        {
          "PLpgSQL_row": {
            "fields": [
              {
                "name": "result",
                "varno": 2
              }
            ],
            "lineno": 5,
            "refname": "(unnamed row)"
          }
        }
      ]
    }
  }
]