| // +---+ // create a user defined function tEnv.executeSql("CREATE FUNCTION f1 AS ..."); // show user defined functions tEnv.executeSql("SHOW USER FUNCTIONS").print(); // +---+ // | function name | // +---+ // | f1 | // | ... | // +---+ // show modules...
function name | // +---+ // | mod | // | sha256 | // | ... | // +---+ // create a user defined function tEnv.executeSql("CREATE FUNCTION f1 AS ..."); // show user defined functions tEnv.executeSql("SHOW USER FUNCTIONS").print(); // +---+ // | function name ...
I understand that you are seeking an explanation of the user defined function “sigadd” that you have provided. The function “sigadd” takes four input arguments ‘x1’, ‘n1’, ‘x2’, ‘n2’. The arguments ‘x1’ and ‘n1’ represent the first sequence and its range of ind...
On the Visual Explain page, set the following options: Specify whether to launch the Visual Explain wizard when you right-click an SQL statement, view, stored procedure, or user-defined function and select Visual Explain. The wizard allows you to override preferences. If you clear this option,...
(); // create a user defined function // tenv.executeSql("CREATE FUNCTION f1 AS "); // show user defined functions tenv.executeSql("SHOW USER FUNCTIONS").print(); // show modules tenv.executeSql("SHOW MODULES").print(); // show full modules tenv.executeSql("SHOW FULL MODULES")...
unique_subqueryis just an index lookup function that replaces the subquery completely forbetter efficiency. --子查询中的返回结果字段组合是主键或者唯一约束; 2.2.9 index_subquery This join typeis similar to unique_subquery. It replaces IN subqueries, but it works fornonunique indexes in subqueries...
8062 User defined function (UDF) time limit. 8064 Optimizer limitations.Error CodesPossible error codes returned from the Visual Explain consolidator are:Error CodeDescription 0 Successful. 71 Invalid date format. 72 Invalid date separator. 73 Invalid time format. 74 Invalid time separator. 75 Invali...
DFEApply – Executes the function specified by functor in the arguments section, on the value stored in the specified variable DFEAlgoWriteProperty – Explain operator for the property-writing portion of mutate algorithm invocations. DFEBFSAlgo – Explain operator for invocations of the Breadth First...
\n"+"where rn = 1";/*** 算子 {@link org.apache.flink.streaming.api.operators.KeyedProcessOperator}* -- {@link org.apache.flink.table.runtime.operators.deduplicate.ProcTimeDeduplicateKeepFirstRowFunction}*/for(String innerSql:sql.split(";")){TableResult tableResult=flinkEnv.streamTEnv()....
To update the defined sizes, use the UPDATE STATISTICS statement or the relevant database tool function. You can query the defined sizes by selecting the system table OPTIMIZERINFORMATION. You can query the current sizes of tables or indexes by selecting the TABLESTATISTICS and INDEXSTATISTICS syste...