visitTableConstraint method
Implementation
@override
void visitTableConstraint(TableConstraint e, void arg) {
if (e.name != null) {
keyword(TokenType.constraint);
identifier(e.name!);
}
if (e is KeyClause) {
if (e.isPrimaryKey) {
keyword(TokenType.primary);
keyword(TokenType.key);
} else {
keyword(TokenType.unique);
}
symbol('(');
_join(e.columns, ',');
symbol(')');
_conflictClause(e.onConflict);
} else if (e is CheckTable) {
keyword(TokenType.check);
symbol('(');
visit(e.expression, arg);
symbol(')');
} else if (e is ForeignKeyTableConstraint) {
keyword(TokenType.foreign);
keyword(TokenType.key);
symbol('(');
_join(e.columns, ',');
symbol(')');
visit(e.clause, arg);
}
}