PostgreSQL 9.4.1 Documentation
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EXECUTE IMMEDIATE

Name

EXECUTE IMMEDIATE -- dynamically prepare and execute a statement

EXECUTE IMMEDIATE string

EXECUTE IMMEDIATE immediately prepares and executes a dynamically specified SQL statement, without retrieving result rows.

string: A literal C string or a host variable containing the SQL statement to be executed.

Here is an example that executes an INSERT statement using EXECUTE IMMEDIATE and a host variable named command:

sprintf(command, "INSERT INTO test (name, amount, letter) VALUES ('db: ''r1''', 1, 'f')");
EXEC SQL EXECUTE IMMEDIATE :command;

EXECUTE IMMEDIATE is specified in the SQL standard.

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