Javascript Snowflake无法将对象绑定到查询中以将其插入变量列,即使使用JSON.parse也是如此

Javascript Snowflake无法将对象绑定到查询中以将其插入变量列,即使使用JSON.parse也是如此,javascript,sql,object,stored-procedures,snowflake-cloud-data-platform,Javascript,Sql,Object,Stored Procedures,Snowflake Cloud Data Platform,此存储过程将获取一个对象并将其插入表的变量列中: try { var table_query = "CREATE OR REPLACE TEMPORARY TABLE FIELD_NAME_TABLE (field_variant VARIANT)"; var table_query_stmt_result = snowflake.createStatement({sqlText: table_query}).execute(); var insert_query

此存储过程将获取一个对象并将其插入表的变量列中:

try {
  var table_query = "CREATE OR REPLACE TEMPORARY TABLE FIELD_NAME_TABLE (field_variant VARIANT)";
  var table_query_stmt_result = snowflake.createStatement({sqlText: table_query}).execute();
  var insert_query = "INSERT INTO FIELD_NAME_TABLE SELECT ?";
  var insert_stmt = snowflake.createStatement({sqlText: insert_query, binds: [(TABLE_COL_AND_FIELDS)]});
  var result = insert_stmt.execute();
  result.next();
  return result;
  return result['number of rows inserted'];
}
catch(err) {
  return err.message;
}
表列和字段是具有以下结构的对象:

{
   "field1": "val1",
   "field2": "val2"
}
运行脚本时,我遇到以下错误:

"Invalid binds argument[object Object]. Error: Unsupported type for binding argument 2undefined"
我添加了
JSON.parse(TABLE\u COL\u和\u字段)
,得到了以下错误:

“JSON中位置1处的意外标记o”

我试过:

(表列和字段)。toString()

我有一个错误:

"SQL compilation error:\nExpression type does not match column data type, expecting VARIANT but got VARCHAR(15) for column FIELD_VARIANT"

FIELD\u VARIANT
是临时表中类型为
VARIANT
的列。

我通过在查询文本中添加
parse\u json()
binds
部分中的
json.stringify()
找到了解决方案。脚本如下:

try {
  var table_query = "CREATE OR REPLACE TEMPORARY TABLE FIELD_NAME_TABLE (field_variant VARIANT)";
  var table_query_stmt_result = snowflake.createStatement({sqlText: table_query}).execute();
  var insert_query = "INSERT INTO FIELD_NAME_TABLE SELECT parse_json(?)";
  var insert_stmt = snowflake.createStatement({sqlText: insert_query, binds: [JSON.stringify(TABLE_COL_AND_FIELDS)]});
  var result = insert_stmt.execute();
  result.next();
  return result;
  return result['number of rows inserted'];
}
catch(err) {
  return err.message;
}