query_script_pass: common_schema documentation

query_script_pass

pass: a do-nothing statement.

if (expression)
  pass
else {
  statement;
}

pass is a QueryScript statement which does nothing. It can be used as a placeholder for empty statements.

QueryScript does not allow an empty statement (the standalone semicolon ; character). The programmer may choose to use the pass statement:

while (delete from world.City limit 10)
  pass;

Alternatively, the programmer may use an empty block as in the following:

while (delete from world.City limit 10)
{
}

The pass statement serves as a convenience statement.

pass accepts no arguments.

Shlomi Noach

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