Github user DaveBirdsall commented on a diff in the pull request: https://github.com/apache/incubator-trafodion/pull/1354#discussion_r157883840 --- Diff: docs/lob_guide/src/asciidoc/_chapters/working_with_lob.adoc --- @@ -235,6 +235,8 @@ The source for inserting into a LOB can be any of the following: An unnamed parameter can be used to prepare a statement and then during an execution, either a function or a simple string parameter can be passed in which will be converted to LOB data. * `EMPTY_BLOB()` or `EMPTY_CLOB()` ++ +NOTE: If you want to insert `EMPTY_BLOB()` or `EMPTY_CLOB()` into a lob column, the CQD `TRAF_CLOB_AS_VARCHAR` which is *ON* by default must be turned *OFF* before creating the table. --- End diff -- You may want to elaborate: The CQD must be 'ON' at the time the table with the BLOB / CLOB column is created. (Otherwise the table is created with a VARCHAR.)
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