In Snowflake however, the solution is quite easy. The LAG function supports the optional clause IGNORE NULLS (which is part of the SQL standard). The solution becomes: SELECT ID ,ColA ,LAG(ColA) OVER (ORDER BY ID) previousnull ,LAG(ColA) IGNORE NULLS OVER (ORDER BY ID) previousnonnull ...
SPLIT_PART Function for Easy Reading of Errors Important Copy Options – Size Limit Example of Using the Size_Limit Option (1 of 3) Example of Using the Size_Limit Option (2 of 3) Example of Using the Size_Limit Option (3 of 3) Important Copy Options – RETURNED_FAILED_ONLY RETURNED_F...
In this example, the task modifies the TIMESTAMP_OUTPUT_FORMAT for the session and then queries the CURRENT_TIMESTAMP function. Note The SQL code in the task definition includes multiple statements. To execute the CREATE TASK statement, you must temporarily set a character other than a semi...
To retrieve the current credit usage for a specific task, query theSERVERLESS_TASK_HISTORYtable function. Execute the following statement as the task owner, where<database_name>is the database that contains the task and<task_name>is the name of the task: ...
Connection pooling usually reduces the lag time to make a connection. However, it can slow down client failover to an alternative DNS when a DNS problem occurs. The Snowflake .NET driver provides the following functions for managing connection pools. FunctionDescription SnowflakeDbConnectionPool...
In the example above: The dynamic table materializes the results of a query of the product_id and product_name columns of the staging_table table. The target lag time is 20 minutes, which means that the data in the dynamic table should ideally be no more than 20 minutes older than the...
Query the CURRENT_TASK_GRAPHS table function (in the Snowflake Information Schema). To view the history for task graph runs that executed successfully, failed, or were cancelled in the past 60 minutes: SQL Query the COMPLETE_TASK_GRAPHS table function (in the Snowflake Information Schema). Que...
Set or change the warehouse and/or target lag usingALTER … SET. Privileges to view a dynamic table’s metadata To view metadata, you must use a role that has the MONITOR privilege on that dynamic table. While the OPERATE privilege grants this access, it also includes the capability to alt...
In this example, the task modifies the TIMESTAMP_OUTPUT_FORMAT for the session and then queries the CURRENT_TIMESTAMP function. Note The SQL code in the task definition includes multiple statements. To execute the CREATE TASK statement, you must temporarily set a character other than a semi...