/**
* Create a join clause constraint segment.
*
* @param array $clause
* @return string
*/
protected virtual string compileJoinConstraint(JoinClauseOptions clause)
{
if (clause.nested)
{
return(this.compileNestedJoinConstraint(clause));
}
string first = this.wrap(clause.first);
string second = "";
if (clause.where)
{
if (clause.operator1 == "in" || clause.operator1 == "not in")
{
second = "(" + string.Join(", ", ArrayUtil.repeat("?", (int)clause.second)) + ")";
}
else
{
second = "?";
}
}
else
{
second = this.wrap(clause.second);
}
return(clause.boolean + " " + first + " " + clause.operator1 + " " + second);
}
/**
* Create a nested join clause constraint segment.
*
* @param array $clause
* @return string
*/
protected virtual string compileNestedJoinConstraint(JoinClauseOptions clause)
{
string[] clauses = new string[0];
foreach (JoinClauseOptions nestedClause in clause.join._clauses)
{
clauses = ArrayUtil.push(clauses, this.compileJoinConstraint(nestedClause));
}
clauses[0] = this.removeLeadingBoolean(clauses[0]);
string clauses1 = string.Join(" ", clauses);
return(clause.boolean + " " + clauses1);
}