WHENEVER Statement [ESQL]

Specifies error handling in an Embedded SQL program.

Syntax

WHENEVER
{ SQLERROR | SQLWARNING | NOTFOUND }
… { GOTO label | STOP | CONTINUE | C code; }

Parameters

label: – identifier

Examples

Example 1 –
```
EXEC SQL WHENEVER NOTFOUND GOTO done;
```

Example 2 –

EXEC SQL WHENEVER SQLERROR
	{ 
		PrintError( &sqlca ); 
		return( FALSE ); 
	};

Usage

WHENEVER can be put anywhere in an Embedded SQL C program, and does not generate any code. The preprocessor generates code following each successive SQL statement. The error action remains in effect for all Embedded SQL statements from the source line of the WHENEVER statement until the next WHENEVER statement with the same error condition, or the end of the source file.

The default action is CONTINUE.

WHENEVER is provided for convenience in simple programs. Most of the time, checking the sqlcode field of the SQLCA (SQLCODE) directly is the easiest way to check error conditions. In this case, WHENEVER is not used. The WHENEVER statement causes the preprocessor to generate an if ( SQLCODE ) test after each statement.

Note: The error conditions are in effect based on positioning in the C language source file and not on when the statements are executed.

Standards

SQL—Vendor extension to ISO/ANSI SQL grammar.
Sybase—Supported by Open Client/Open Server.

Permissions

None