Function create_sql_command

src/bin/pgbench/pgbench.c:4800–4823

* Parse a SQL command; return a Command struct, or NULL if it's a comment * * On entry, psqlscan.l has collected the command into "buf", so we don't * really need to do much here except check for comments and set up a Command * struct. */

 * struct.
 */
static Command *
create_sql_command(PQExpBuffer buf, const char *source)
{
	Command    *my_command;
	char	   *p = skip_sql_comments(buf->data);

	if (p == NULL)
		return NULL;

	/* Allocate and initialize Command structure */
	my_command = (Command *) pg_malloc(sizeof(Command));
	initPQExpBuffer(&my_command->lines);
	appendPQExpBufferStr(&my_command->lines, p);
	my_command->first_line = NULL;	/* this is set later */
	my_command->type = SQL_COMMAND;
	my_command->meta = META_NONE;
	my_command->argc = 0;
	memset(my_command->argv, 0, sizeof(my_command->argv));
	my_command->varprefix = NULL;	/* allocated later, if needed */
	my_command->expr = NULL;
	initSimpleStats(&my_command->stats);

	return my_command;
}

/* Free a Command structure and associated data */
static void