Starting and Ending an ESQL Session
Before you can invoke most ESQL-LIB functions and Progress/ESQL statements, call the
sqllogin()
function to log into the ESQL-LIB interface and start your ESQL session. The functions and statements you can invoke before starting an ESQL session include:
- The
sqlgetmsg()
function to display any current messages in the Progress message queue. For more information, see the "Error Handling" section.- The WHENEVER statement to define standard responses to SQL conditions. For more information, see the "WHENEVER Statement" section.
- The BEGIN DECLARE SECTION and END DECLARE SECTION statements to declare host language variables. For more information, see the "Host Language Variables" section in this chapter.
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