{ throw new RuntimeException(e); } } public static void main(String[] args) { SnowflakeIdWorker idWorker = new SnowflakeIdW 注意事项 唯一性:将64位ID转换为16位字符串会极大地增加碰撞的风险。在分布式系统中,这种转换可能无法满足唯一性要求。 哈希算法:示例中使用了
If the format of the input parameter is a string that contains an integer: After the string is converted to an integer, the integer is treated as a number of seconds, milliseconds, microseconds, or nanoseconds after the start of the Unix epoch (1970-01-01 00:00:00.000000000 UTC). If the...
Statement Statement string The SQL statement to be executed - batches of statements not yet supported Timeout timeout integer Number of seconds before timeout occurs Database database string Database Schema schema string Schema Warehouse warehouse string Warehouse Role Role string Role Timezone timezon...
numDuplicateRowsUpdated stats.numDuplicateRowsUpdated integer Number of duplicate rows that were updated.Convert result set rows from array to objectsOperation ID: Convert Convert result set rows from array to objects Parameters 展開資料表 NameKeyRequiredTypeDescription rowType resultSetMetaData string...
INT INTEGER BIGINT BIGINT DECIMAL DECIMAL FLOAT FLOAT, FLOAT4, FLOAT8 DOUBLE DOUBLE, DOUBLE PRECISION, REAL BIT BOOLEAN CHAR CHAR VARCHAR VARCHAR BINARY BINARY VARBINARY VARBINARY TINYTEXT STRING, TEXT TEXT STRING, TEXT MEDIUMTEXT STRING, TEXT LONGTEXT STRING, TEXT ENUM No type for SET.Must use...
A timestamp to be converted into another timestamp (e.g. convert TIMESTAMP_LTZ to TIMESTAMP_NTZ). string_expr A string from which to extract a timestamp, for example'2019-01-3101:02:03.004'. 'integer' An expression that evaluates to a string containing an integer, for example'15000000'...
When reading from Snowflake, the Snowflake origin converts Snowflake data types to Spark data types. The following table describes how this conversion occurs. Snowflake data types that are not listed in the table are not supported. Snowflake Data TypeSpark Data Type ARRAY StringType BIGINT...
Since javascript is limited to 53 bit integer precision, Snowflake ID generates id in string format like "285124269753503744", which can be easily type casted into 64 bit bigint in database. Installation npm install snowflake-id Usage initialization var SnowflakeId = require('snowflake-id'); ...
在Statement.executeEN有时候，开发者不想通过实体来操作数据库，而是希望通过 SQL 语句或存储过程来直接...
to perform on your semi-structured data which may include OBJECTs or ARRAYs. An Array is used to represent dense or sparse arrays of arbitrary size, where index is a nonnegative integer, and an Object is used to represent collections of key-value pairs, where the key is a non-empty ...