github-actions[bot] commented on code in PR #25006:
URL: https://github.com/apache/doris/pull/25006#discussion_r1358294958
##########
be/test/util/mysql_row_buffer_test.cpp:
##########
@@ -118,4 +118,62 @@ TEST(MysqlRowBufferTest, dynamic_mode) {
EXPECT_EQ(0, strncmp(buf + 43, "test", 4));
}
+TEST(MysqlRowBufferTest /*unused*/, faster_float_convert /*unused*/) {
+ MysqlRowBuffer mrb;
+ mrb.set_faster_float_convert(true);
+
+ mrb.push_float(0);
+ mrb.push_float(1.0);
+ mrb.push_float(-1.0);
+ mrb.push_float(56.45);
+ mrb.push_double(10.12);
+
+ const char* buf = mrb.buf();
+
+ // mem: size-data-size-data
+ // 3-'0E0'-3-'1E0'-4-'-1E0'-7-'5.645E1'-7-'1.012E1'
+ // 1b-3b---1b-3b---1b-4b----1b-7b-------1b-7b------
+ // 0 1 4 5 8 9 13 14 21 22
+
+ EXPECT_EQ(29, mrb.length());
+
+ EXPECT_EQ(3, *((int8_t*)(buf + 0)));
+ EXPECT_EQ(0, strncmp(buf + 1, "0E0", 3));
+
+ EXPECT_EQ(3, *((int8_t*)(buf + 4)));
+ EXPECT_EQ(0, strncmp(buf + 5, "1E0", 3));
+
+ EXPECT_EQ(4, *((int8_t*)(buf + 8)));
+ EXPECT_EQ(0, strncmp(buf + 9, "-1E0", 4));
+
+ EXPECT_EQ(7, *((int8_t*)(buf + 13)));
+ EXPECT_EQ(0, strncmp(buf + 14, "5.645E1", 7));
+
+ EXPECT_EQ(7, *((int8_t*)(buf + 21)));
+ EXPECT_EQ(0, strncmp(buf + 22, "1.012E1", 7));
+}
+
+TEST(MysqlRowBufferTest /*unused*/, faster_float_convert_dynamic /*unused*/) {
+ MysqlRowBuffer mrb;
+ mrb.set_faster_float_convert(true);
+ mrb.open_dynamic_mode();
+
+ mrb.push_float(0);
+ mrb.push_float(1.0);
+ mrb.push_float(-1.0);
+ mrb.push_float(56.45);
+ mrb.push_double(10.12);
+
+ const char* buf = mrb.buf();
+
+ EXPECT_EQ(33, mrb.length());
+ EXPECT_EQ(254, *((uint8_t*)(buf)));
+
+ EXPECT_EQ(0, strncmp(buf + 9, "0E0", 3));
+ EXPECT_EQ(0, strncmp(buf + 12, "1E0", 3));
+ EXPECT_EQ(0, strncmp(buf + 15, "-1E0", 4));
+ EXPECT_EQ(0, strncmp(buf + 19, "5.645E1", 7));
+ EXPECT_EQ(0, strncmp(buf + 26, "1.012E1", 7));
Review Comment:
warning: 26 is a magic number; consider replacing it with a named constant
[readability-magic-numbers]
```cpp
EXPECT_EQ(0, strncmp(buf + 26, "1.012E1", 7));
^
```
##########
be/test/util/mysql_row_buffer_test.cpp:
##########
@@ -118,4 +118,62 @@
EXPECT_EQ(0, strncmp(buf + 43, "test", 4));
}
+TEST(MysqlRowBufferTest /*unused*/, faster_float_convert /*unused*/) {
+ MysqlRowBuffer mrb;
+ mrb.set_faster_float_convert(true);
+
+ mrb.push_float(0);
+ mrb.push_float(1.0);
+ mrb.push_float(-1.0);
+ mrb.push_float(56.45);
+ mrb.push_double(10.12);
+
+ const char* buf = mrb.buf();
+
+ // mem: size-data-size-data
+ // 3-'0E0'-3-'1E0'-4-'-1E0'-7-'5.645E1'-7-'1.012E1'
+ // 1b-3b---1b-3b---1b-4b----1b-7b-------1b-7b------
+ // 0 1 4 5 8 9 13 14 21 22
+
+ EXPECT_EQ(29, mrb.length());
+
+ EXPECT_EQ(3, *((int8_t*)(buf + 0)));
+ EXPECT_EQ(0, strncmp(buf + 1, "0E0", 3));
+
+ EXPECT_EQ(3, *((int8_t*)(buf + 4)));
+ EXPECT_EQ(0, strncmp(buf + 5, "1E0", 3));
+
+ EXPECT_EQ(4, *((int8_t*)(buf + 8)));
+ EXPECT_EQ(0, strncmp(buf + 9, "-1E0", 4));
+
+ EXPECT_EQ(7, *((int8_t*)(buf + 13)));
+ EXPECT_EQ(0, strncmp(buf + 14, "5.645E1", 7));
+
+ EXPECT_EQ(7, *((int8_t*)(buf + 21)));
+ EXPECT_EQ(0, strncmp(buf + 22, "1.012E1", 7));
+}
+
+TEST(MysqlRowBufferTest /*unused*/, faster_float_convert_dynamic /*unused*/) {
+ MysqlRowBuffer mrb;
+ mrb.set_faster_float_convert(true);
+ mrb.open_dynamic_mode();
+
+ mrb.push_float(0);
+ mrb.push_float(1.0);
+ mrb.push_float(-1.0);
+ mrb.push_float(56.45);
+ mrb.push_double(10.12);
+
+ const char* buf = mrb.buf();
+
+ EXPECT_EQ(33, mrb.length());
+ EXPECT_EQ(254, *((uint8_t*)(buf)));
+
+ EXPECT_EQ(0, strncmp(buf + 9, "0E0", 3));
+ EXPECT_EQ(0, strncmp(buf + 12, "1E0", 3));
+ EXPECT_EQ(0, strncmp(buf + 15, "-1E0", 4));
+ EXPECT_EQ(0, strncmp(buf + 19, "5.645E1", 7));
+ EXPECT_EQ(0, strncmp(buf + 26, "1.012E1", 7));
Review Comment:
warning: 7 is a magic number; consider replacing it with a named constant
[readability-magic-numbers]
```cpp
EXPECT_EQ(0, strncmp(buf + 26, "1.012E1", 7));
^
```
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