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The Delimited Text Formatter will simply change the output format to accommodate the change and continue running.However, it is important to understand that a metadata change may impact downstream applications.The sequence number is the source trail file number. It is important to choose delimiter values that will not occur in content of the data.The Java Adapter configuration functionality will trim out leading or trailing characters that are determined to be whitespace. You can search column values using regular expressions then replace matches with a specified value.Delimited text output will be a fixed number of fields for each table separated by a field delimiter and terminated by a line delimiter. Many Big Data analytical tools including Hive work well with HDFS files containing delimited text.Column values for an operation from the source trail file can have one of three states: column has a value, column value is NULL, or column value is missing.
Deleting a column in the source table can be handled seamlessly during Oracle Golden Gate runtime, but will result in a change in the total number of fields and potentially the positional relevance of some fields.This search and replace functionality can be utilized in conjunction with the Delimited Text Formatter to ensure that there are no collisions between column value contents and field and line delimiters.For more information, see Using Regular Expression Search and Replace. A summary of the delimited fields will be logged for each source table encountered and occurs when the first operation for that table is received by the Delimited Text formatter.The row based formatters model the row data as it exists after the operation data is applied.Row based formatters only contain a single image of the data.
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