Remove unused constant evaluators

Author: timgrein

x-pack/plugin/esql/compute/src/main/java/org/elasticsearch/compute/operator/EvalOperator.java

@@ -267,164 +267,4 @@ public String toString() {
     }
 
     public static final ExpressionEvaluator.Factory CONSTANT_FALSE_FACTORY = new ConstantFalseEvaluator.Factory();
-
-    private record ConstantDoubleEvaluator(DriverContext context, double value) implements ExpressionEvaluator {
-
-        private static final String NAME = "ConstantDouble";
-        private static final long BASE_RAM_BYTES_USED = RamUsageEstimator.shallowSizeOfInstance(ConstantIntegerEvaluator.class);
-
-        @Override
-        public Block eval(Page page) {
-            return context.blockFactory().newConstantDoubleBlockWith(value, page.getPositionCount());
-        }
-
-        @Override
-        public void close() {}
-
-        @Override
-        public long baseRamBytesUsed() {
-            return BASE_RAM_BYTES_USED;
-        }
-
-        @Override
-        public String toString() {
-            return NAME + "[" + value + "]";
-        }
-
-        record Factory(double value) implements ExpressionEvaluator.Factory {
-            @Override
-            public ExpressionEvaluator get(DriverContext context) {
-                return new ConstantDoubleEvaluator(context, value);
-            }
-
-            @Override
-            public String toString() {
-                return NAME + "[" + value + "]";
-            }
-        }
-    }
-
-    public static ExpressionEvaluator.Factory DoubleFactory(double value) {
-        return new ConstantDoubleEvaluator.Factory(value);
-    }
-
-    private record ConstantLongEvaluator(DriverContext context, long value) implements ExpressionEvaluator {
-
-        private static final String NAME = "ConstantLong";
-        private static final long BASE_RAM_BYTES_USED = RamUsageEstimator.shallowSizeOfInstance(ConstantIntegerEvaluator.class);
-
-        @Override
-        public Block eval(Page page) {
-            return context.blockFactory().newConstantLongBlockWith(value, page.getPositionCount());
-        }
-
-        @Override
-        public void close() {}
-
-        @Override
-        public long baseRamBytesUsed() {
-            return BASE_RAM_BYTES_USED;
-        }
-
-        @Override
-        public String toString() {
-            return NAME + "[" + value + "]";
-        }
-
-        record Factory(long value) implements ExpressionEvaluator.Factory {
-            @Override
-            public ExpressionEvaluator get(DriverContext context) {
-                return new ConstantLongEvaluator(context, value);
-            }
-
-            @Override
-            public String toString() {
-                return NAME + "[" + value + "]";
-            }
-        }
-    }
-
-    public static ExpressionEvaluator.Factory LongFactory(long value) {
-        return new ConstantLongEvaluator.Factory(value);
-    }
-
-    private record ConstantIntegerEvaluator(DriverContext context, int value) implements ExpressionEvaluator {
-
-        private static final String NAME = "ConstantInteger";
-        private static final long BASE_RAM_BYTES_USED = RamUsageEstimator.shallowSizeOfInstance(ConstantIntegerEvaluator.class);
-
-        @Override
-        public Block eval(Page page) {
-            return context.blockFactory().newConstantIntBlockWith(value, page.getPositionCount());
-        }
-
-        @Override
-        public void close() {}
-
-        @Override
-        public long baseRamBytesUsed() {
-            return BASE_RAM_BYTES_USED;
-        }
-
-        @Override
-        public String toString() {
-            return NAME + "[" + value + "]";
-        }
-
-        record Factory(int value) implements ExpressionEvaluator.Factory {
-            @Override
-            public ExpressionEvaluator get(DriverContext context) {
-                return new ConstantIntegerEvaluator(context, value);
-            }
-
-            @Override
-            public String toString() {
-                return NAME + "[" + value + "]";
-            }
-        }
-    }
-
-    public static ExpressionEvaluator.Factory IntegerFactory(int value) {
-        return new ConstantIntegerEvaluator.Factory(value);
-    }
-
-    private record ConstantBytesRefEvaluator(DriverContext context, org.apache.lucene.util.BytesRef value) implements ExpressionEvaluator {
-
-        private static final String NAME = "ConstantBytesRef";
-        private static final long BASE_RAM_BYTES_USED = RamUsageEstimator.shallowSizeOfInstance(ConstantBytesRefEvaluator.class);
-
-        @Override
-        public Block eval(Page page) {
-            return context.blockFactory().newConstantBytesRefBlockWith(value, page.getPositionCount());
-        }
-
-        @Override
-        public void close() {}
-
-        @Override
-        public long baseRamBytesUsed() {
-            return BASE_RAM_BYTES_USED;
-        }
-
-        @Override
-        public String toString() {
-            return NAME + "[" + value.utf8ToString() + "]";
-        }
-
-        record Factory(org.apache.lucene.util.BytesRef value) implements ExpressionEvaluator.Factory {
-            @Override
-            public ConstantBytesRefEvaluator get(DriverContext context) {
-                return new ConstantBytesRefEvaluator(context, value);
-            }
-
-            @Override
-            public String toString() {
-                return NAME + "[" + value.utf8ToString() + "]";
-            }
-        }
-    }
-
-    public static ExpressionEvaluator.Factory BytesRefFactory(org.apache.lucene.util.BytesRef value) {
-        return new ConstantBytesRefEvaluator.Factory(value);
-    }
 }