Name
OPEN -- open a dynamic cursor
Synopsis
OPEN cursor_name
OPEN cursor_name USING value [, ... ]
OPEN cursor_name USING SQL DESCRIPTOR descriptor_name
Description
OPEN opens a cursor and optionally binds actual values to the placeholders in the cursor's declaration. The cursor must previously have been declared with the DECLARE command. The execution of OPEN causes the query to start executing on the server.
Parameters
The name of the cursor to be opened. This can be an SQL identifier or a host variable.
A value to be bound to a placeholder in the cursor. This can be an SQL constant, a host variable, or a host variable with indicator.
The name of a descriptor containing values to be bound to the placeholders in the cursor. This can be an SQL identifier or a host variable.
Examples
EXEC SQL OPEN a END-EXEC. EXEC SQL OPEN d USING 1, 'test' END-EXEC. EXEC SQL OPEN c1 USING SQL DESCRIPTOR mydesc END-EXEC. EXEC SQL OPEN :curname1 END-EXEC.
Compatibility
OPEN is specified in the SQL standard.
See Also
DECLARE, CLOSE
See
Refer to "SQL Commands" in "Reference" in the PostgreSQL Documentation for information on the CLOSE command.