Namespace and ClassPath rewrites

Core/Driver/SQL/Expression/Add.class.php

@@ -0,0 +1,14 @@
+<?php
+
+namespace Core\Driver\SQL\Expression;
+
+use Core\Driver\SQL\Condition\Compare;
+
+# TODO: change confusing class inheritance here
+class Add extends Compare {
+
+  public function __construct(string $col, $val) {
+    parent::__construct($col, $val, "+");
+  }
+
+}

Core/Driver/SQL/Expression/CaseWhen.class.php

@@ -0,0 +1,23 @@
+<?php
+
+namespace Core\Driver\SQL\Expression;
+
+use Core\Driver\SQL\Condition\Condition;
+
+class CaseWhen extends Expression {
+
+  private Condition $condition;
+  private $trueCase;
+  private $falseCase;
+
+  public function __construct(Condition $condition, $trueCase, $falseCase) {
+    $this->condition = $condition;
+    $this->trueCase = $trueCase;
+    $this->falseCase = $falseCase;
+  }
+
+  public function getCondition(): Condition { return $this->condition; }
+  public function getTrueCase() { return $this->trueCase; }
+  public function getFalseCase() { return $this->falseCase; }
+
+}

Core/Driver/SQL/Expression/CurrentTimeStamp.class.php

@@ -0,0 +1,7 @@
+<?php
+
+namespace Core\Driver\SQL\Expression;
+
+class CurrentTimeStamp extends Expression {
+
+}

Core/Driver/SQL/Expression/DateAdd.class.php

@@ -0,0 +1,23 @@
+<?php
+
+namespace Core\Driver\SQL\Expression;
+
+use Core\Driver\SQL\SQL;
+
+class DateAdd extends Expression {
+
+  private Expression $lhs;
+  private Expression $rhs;
+  private string $unit;
+
+  public function __construct(Expression $lhs, Expression $rhs, string $unit) {
+    $this->lhs = $lhs;
+    $this->rhs = $rhs;
+    $this->unit = $unit;
+  }
+
+  public function getLHS(): Expression { return $this->lhs; }
+  public function getRHS(): Expression { return $this->rhs; }
+  public function getUnit(): string { return $this->unit; }
+
+}

Core/Driver/SQL/Expression/DateSub.class.php

@@ -0,0 +1,23 @@
+<?php
+
+namespace Core\Driver\SQL\Expression;
+
+use Core\Driver\SQL\SQL;
+
+class DateSub extends Expression {
+
+  private Expression $lhs;
+  private Expression $rhs;
+  private string $unit;
+
+  public function __construct(Expression $lhs, Expression $rhs, string $unit) {
+    $this->lhs = $lhs;
+    $this->rhs = $rhs;
+    $this->unit = $unit;
+  }
+
+  public function getLHS(): Expression { return $this->lhs; }
+  public function getRHS(): Expression { return $this->rhs; }
+  public function getUnit(): string { return $this->unit; }
+
+}

Core/Driver/SQL/Expression/Expression.class.php

@@ -0,0 +1,9 @@
+<?php
+
+namespace Core\Driver\SQL\Expression;
+
+use Core\Driver\SQL\SQL;
+
+abstract class Expression {
+
+}

Core/Driver/SQL/Expression/JsonArrayAgg.class.php

@@ -0,0 +1,18 @@
+<?php
+
+namespace Core\Driver\SQL\Expression;
+
+class JsonArrayAgg extends Expression {
+
+  private $value;
+  private string $alias;
+
+  public function __construct($value, string $alias) {
+    $this->value = $value;
+    $this->alias = $alias;
+  }
+
+  public function getValue() { return $this->value; }
+  public function getAlias(): string { return $this->alias; }
+
+}

Core/Driver/SQL/Expression/Sum.class.php

@@ -0,0 +1,18 @@
+<?php
+
+namespace Core\Driver\SQL\Expression;
+
+class Sum extends Expression {
+
+  private $value;
+  private string $alias;
+
+  public function __construct($value, string $alias) {
+    $this->value = $value;
+    $this->alias = $alias;
+  }
+
+  public function getValue() { return $this->value; }
+  public function getAlias(): string { return $this->alias; }
+
+}