报错:Feature not supported: INSERT on conflict contains un-unique column 问题原因:INSERT ON CONFLICT中的conflict条件使用了非主键字段。 解决方法:INSERT ON CONFLICT中的conflict条件只能使用主键。 报错:Feature not supported: UPDATE with
Flink SQL> show tables; Empty set Flink SQL> CREATE TABLE alan_first_table ( > t_id BIGINT, > t_name STRING, > t_balance DOUBLE, > t_age INT > ) WITH ( > 'connector' = 'filesystem', > 'path' = 'hdfs://HadoopHAcluster/flinktest/firstdemo/', > 'format' = 'csv' > ); ...
override defparseDataType(sqlText:String):DataType={delegate.parseDataType(sqlText)}} 3.3 扩展的规则类 代码语言:java AI代码解释 caseclassFieldLineageCheckRuleV3(sparkSession:SparkSession)extends(LogicalPlan=>Unit){val executor:ThreadPoolExecutor=ThreadUtils.newDaemonCachedThreadPool("spark-field-line-a...
Say for example we wanted to find all users that signed up for our application using a Gmail address. We can do a partial match against a column using the LIKE keyword. We can also specify a wildcard (or "match anything") in the match string using %. 例如,我们要查找使用Gmail地址注册...
COLUMN_ALREADY_EXISTS、CONFLICTING_COLUMN_NAMES_ERROR、DELTA_DUPLICATE_COLUMNS_FOUND、DELTA_TABLE_ALREADY_CONTAINS_CDC_COLUMNS、DUPLICATE_ROUTINE_RETURNS_COLUMNS 42713 在清單中偵測到重複的物件,或與現有物件相同。 DUPLICATED_FIELD_NAME_IN_ARROW_STRUCT,STATIC_PARTITION_COLUMN_IN_INSERT_COLUMN_LIST 42723 具...
{if(isNullTemplate && excludeFields.Contains(dataColumn.ColumnName)) {continue; } HiColumn hiColumn = tableInfo.Columns.Where(c => c.FieldName.Equals(dataColumn.ColumnName)).FirstOrDefault();if(hiColumn !=null) {//自增主键不能填也不能改vartipStr = hiColumn.IsIdentity ?"[不可修改]":"...
The Regex class contains a Matches method that returns a MatchCollection that you could use. The problem with the MatchCollection is that the entire string must be processed prior to the Matches method returning. SQL Server includes optimizations that depend on processing occurri...
If this value is zero or negative, there is no limit. spark.sql.function.concatBinaryAsString FALSE When this option is set to false and all inputs are binary,functions.concat returns an output as binary. Otherwise, it returns as a string. spark.sql.function.eltOutputAsString FALSE When ...
.vimrc - contains many awesome vim tweaks, plus hotkeys for linting lots of different file types in place, including Python, Perl, Bash / Shell, Dockerfiles, JSON, YAML, XML, CSV, INI / Properties files, LDAP LDIF etc without leaving the editor! .screenrc - fancy screen configuration in...
a connect string, if the database is remote. a procedure for uploading and downloading documents. You can also specify username and password information in a DAD. If they are not specified, the user is prompted to enter a username and password when the URL is invoked. ...