[FEATURE] THIS_FISCAL_QUARTER

moxygen/main/default/classes/database/MockDatabaseTest.cls

@@ -7309,4 +7309,32 @@ private class MockDatabaseTest {
             'Incorrect number of opportunities'
         );
     }
+
+    @isTest
+    static void ensureThisFiscalQuarterWorksInWhereClause() {
+        List<Opportunity> oppList = new List<Opportunity>();
+        Date startOfThisFiscalQuarter = Gmt.startOfThisFiscalQuarter();
+        for (Integer i = 0; i < 36; i++) {
+            oppList.add(
+                new Opportunity(
+                    Name = 'Opp' + i,
+                    CloseDate = startOfThisFiscalQuarter.addMonths(i)
+                )
+            );
+        }
+
+        MockDatabase.doInsert(oppList, true);
+
+        Test.startTest();
+        List<Opportunity> opportunities = MockDatabase.query(
+            'SELECT Id, CloseDate FROM Opportunity WHERE CloseDate = THIS_FISCAL_QUARTER'
+        );
+        Test.stopTest();
+
+        Assert.areEqual(
+            3,
+            opportunities.size(),
+            'Incorrect number of opportunities'
+        );
+    }
 }

moxygen/main/default/classes/database/Token.cls

@@ -156,6 +156,7 @@ public with sharing class Token {
     public final static String NEXT_FISCAL_QUARTER = 'next_fiscal_quarter';
     public final static String NEXT_N_FISCAL_QUARTERS = 'next_n_fiscal_quarters';
     public final static String LAST_FISCAL_QUARTER = 'last_fiscal_quarter';
+    public final static String THIS_FISCAL_QUARTER = 'this_fiscal_quarter';
 
     public final static Set<String> DATE_LITERAL_TOKENS = new Set<String>{
         TODAY_LITERAL,
@@ -190,6 +191,7 @@ public with sharing class Token {
         LAST_N_FISCAL_QUARTERS,
         NEXT_FISCAL_QUARTER,
         NEXT_N_FISCAL_QUARTERS,
-        LAST_FISCAL_QUARTER
+        LAST_FISCAL_QUARTER,
+        THIS_FISCAL_QUARTER
     };
 }

moxygen/main/default/classes/database/soql-engine/interpreter/operator-handler/date-literal-comparable/DateLiteralComparableFactory.cls

@@ -38,7 +38,8 @@ public with sharing class DateLiteralComparableFactory {
         Token.LAST_N_FISCAL_QUARTERS => LastNFiscalQuartersComparable.class,
         Token.NEXT_FISCAL_QUARTER => NextFiscalQuarterComparable.class,
         Token.NEXT_N_FISCAL_QUARTERS => NextNFiscalQuartersComparable.class,
-        Token.LAST_FISCAL_QUARTER => LastFiscalQuarterComparable.class
+        Token.LAST_FISCAL_QUARTER => LastFiscalQuarterComparable.class,
+        Token.THIS_FISCAL_QUARTER => ThisFiscalQuarterComparable.class
     };
 
     @TestVisible

moxygen/main/default/classes/database/soql-engine/interpreter/operator-handler/date-literal-comparable/ThisFiscalQuarterComparable.cls

@@ -0,0 +1,17 @@
+/**
+ * @description Comparable class for THIS_FISCAL_QUARTER
+ * @author Zackary Frazier
+ * @since 2/2/2025
+ */
+public with sharing class ThisFiscalQuarterComparable extends DateLiteralComparable {
+    public override Boolean isLessThan(Datetime fieldValue) {
+        Date startOfThisFiscalQuarter = Gmt.startOfThisFiscalQuarter();
+        return fieldValue < startOfThisFiscalQuarter;
+    }
+
+    public override Boolean isGreaterThan(Datetime fieldValue) {
+        Date startOfThisFiscalQuarter = Gmt.startOfThisFiscalQuarter();
+        Date startOfNextFiscalQuarter = startOfThisFiscalQuarter.addMonths(3);
+        return fieldValue >= startOfNextFiscalQuarter;
+    }
+}

moxygen/main/default/classes/database/soql-engine/interpreter/operator-handler/date-literal-comparable/ThisFiscalQuarterComparable.cls-meta.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ApexClass xmlns="http://soap.sforce.com/2006/04/metadata">
+    <apiVersion>62.0</apiVersion>
+    <status>Active</status>
+</ApexClass>

moxygen/main/default/classes/database/soql-engine/interpreter/operator-handler/date-literal-comparable/ThisFiscalQuarterComparableTest.cls

@@ -0,0 +1,42 @@
+@isTest
+private class ThisFiscalQuarterComparableTest {
+    @isTest
+    static void ensureIsLessThanWorks() {
+        Date startOfThisFiscalQuarter = Gmt.startOfThisFiscalQuarter();
+        Date startOfThisFiscalQuarterMinusOneDay = startOfThisFiscalQuarter.addDays(
+            -1
+        );
+
+        ThisFiscalQuarterComparable dateLiteralComparable = new ThisFiscalQuarterComparable();
+
+        Assert.isTrue(
+            dateLiteralComparable.isLessThan(
+                startOfThisFiscalQuarterMinusOneDay
+            ),
+            'Start of this fiscal quarter minus one day should be less than the this fiscal quarter'
+        );
+
+        Assert.isFalse(
+            dateLiteralComparable.isLessThan(startOfThisFiscalQuarter),
+            'Start of this fiscal quarter should not be less than the this fiscal quarter'
+        );
+    }
+
+    @isTest
+    static void ensureIsGreaterThanWorks() {
+        Date startOfThisFiscalQuarter = Gmt.startOfThisFiscalQuarter();
+        Date startOfNextFiscalQuarter = startOfThisFiscalQuarter.addMonths(3);
+
+        ThisFiscalQuarterComparable dateLiteralComparable = new ThisFiscalQuarterComparable();
+
+        Assert.isTrue(
+            dateLiteralComparable.isGreaterThan(startOfNextFiscalQuarter),
+            'Start of next fiscal quarter should be greater than the this fiscal quarter'
+        );
+
+        Assert.isFalse(
+            dateLiteralComparable.isGreaterThan(startOfThisFiscalQuarter),
+            'Start of this fiscal quarter should not be greater than the this fiscal quarter'
+        );
+    }
+}

moxygen/main/default/classes/database/soql-engine/interpreter/operator-handler/date-literal-comparable/ThisFiscalQuarterComparableTest.cls-meta.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ApexClass xmlns="http://soap.sforce.com/2006/04/metadata">
+    <apiVersion>62.0</apiVersion>
+    <status>Active</status>
+</ApexClass>

moxygen/main/default/classes/database/soql-engine/parser/ParserTest.cls

@@ -806,4 +806,22 @@ private class ParserTest {
         }
         Test.stopTest();
     }
+
+    @isTest
+    static void ensureThisFiscalQuarterCanBeParsed() {
+        Parser p = new Parser();
+        String soqlQuery = 'SELECT Id FROM Opportunity WHERE CreatedDate = THIS_FISCAL_QUARTER';
+        Test.startTest();
+        try {
+            p.parse(soqlQuery);
+        } catch (Exception e) {
+            Assert.fail(
+                'Expected no exception but got ' +
+                    e.getMessage() +
+                    ' for ' +
+                    soqlQuery
+            );
+        }
+        Test.stopTest();
+    }
 }