protected function compileJoinConstraint(array $clause) {
		$firstColumn = $this->wrap($clause['firstColumn']);

		if ($clause['where']) {
			if ($clause['operator'] === 'in' || $clause['operator'] === 'not in') {
				$secondColumn = '('.implode(', ', array_fill(0, $clause['secondColumn'], '?')).')';
			} else {
				$secondColumn = '?';
			}
		} else {
			$secondColumn = $this->wrap($clause['secondColumn']);
		}
		
		
		return "{$clause['boolean']} $firstColumn {$clause['operator']} $secondColumn";
	}
protected function compileJoinConstraint(array $clause) {
		$firstColumn = $this->wrap($clause['firstColumn']);

		if ($clause['where']) {
			if ($clause['operator'] === 'in' || $clause['operator'] === 'not in') {
				$secondColumn = '('.implode(', ', array_fill(0, $clause['secondColumn'], '?')).')';
			} else {
				$secondColumn = '?';
			}
		} else {
			$secondColumn = $this->wrap($clause['secondColumn']);
		}
		
		
		return "{$clause['boolean']} $firstColumn {$clause['operator']} $secondColumn";
	}
protected function compileJoinConstraint ( array $ clause ) { $ firstColumn = $ this -> wrap ( $ clause [ 'firstColumn' ] ) ; if ( $ clause [ 'where' ] ) { if ( $ clause [ 'operator' ] === 'in' || $ clause [ 'operator' ] === 'not in' ) { $ secondColumn = '(' . implode ( ', ' , array_fill ( 0 , $ clause [ 'secondColumn' ] , '?' ) ) . ')' ; } else { $ secondColumn = '?' ; } } else { $ secondColumn = $ this -> wrap ( $ clause [ 'secondColumn' ] ) ; } return "{$clause['boolean']} $firstColumn {$clause['operator']} $secondColumn" ; }
Create a join clause constraint segment.

@param  array   $clause
@return string
Create a join clause constraint segment .