test: add get schema table test

.github/workflows/linux.yml

@@ -234,10 +234,10 @@ jobs:
           sudo dotnet test --logger "console;verbosity=detailed" --collect:"XPlat Code Coverage" --results-directory:./testresults
         timeout-minutes: 15
 
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         if: always() && (steps.test.outcome == 'failure' || steps.test.outcome == 'cancelled')
         with:
-          name: ${{ runner.os }}-${{ matrix.go }}-log
+          name: ${{ runner.os }}-${{ matrix.dotnet }}-log
           path: /var/log/taos/
 
       - name: get coverage files
@@ -248,8 +248,7 @@ jobs:
           echo "files=${COVERAGE_FILES}" >> $GITHUB_OUTPUT
 
       - name: Upload coverage to Codecov
-        if: ${{ matrix.go }} == '6.0.x'
-        uses: codecov/codecov-action@v4-beta
+        uses: codecov/codecov-action@v4
         with:
           files: ${{ steps.get_coverage_files.outputs.files }}
         env:

test/Data.Tests/TDengineDataReaderTesting.cs

@@ -751,5 +751,123 @@ public void WSStatementNano()
                 Assert.Equal(0, affected);
             }
         }
+
+        [Fact]
+        public void GetSchemaTable()
+        {
+            using (var cmd = _connection.CreateCommand())
+            {
+                cmd.CommandText = "drop database if exists test_schema_table";
+                var affected = cmd.ExecuteNonQuery();
+                Assert.Equal(0, affected);
+                cmd.CommandText = "create database test_schema_table";
+                affected = cmd.ExecuteNonQuery();
+                Assert.Equal(0, affected);
+                _connection.ChangeDatabase("test_schema_table");
+                cmd.CommandText =
+                    "create table if not exists test_types(" +
+                    "ts timestamp, f_int int, f_bigint bigint, f_float float, f_double double, f_binary binary(16), " +
+                    "f_smallint smallint, f_tinyint tinyint, f_bool bool, f_nchar nchar(16), " +
+                    "f_uint int unsigned,f_ubigint bigint unsigned, f_usmallint smallint unsigned,f_utinyint tinyint unsigned)";
+                affected = cmd.ExecuteNonQuery();
+                Assert.Equal(0, affected);
+                cmd.CommandText =
+                    "insert into test_types values(now+1s, null, null, null, null, null, null, null, null, null,null,null,null,null)," +
+                    "(now, 1, 2, 3000000.3, 400000000.4, '5binary', 6, 7, true, '9nchar',10,11,12,13)";
+                affected = cmd.ExecuteNonQuery();
+                Assert.Equal(2, affected);
+                cmd.CommandText =
+                    "select ts, f_int, f_bigint, f_float, f_double, f_binary, f_smallint, f_tinyint, f_bool, f_nchar,f_uint,f_ubigint,f_usmallint,f_utinyint from test_types order by ts desc limit 2";
+                var reader = cmd.ExecuteReader();
+                var schemaTable = reader.GetSchemaTable();
+                Assert.Equal(14, schemaTable.Rows.Count);
+                Assert.Equal("ts", schemaTable.Rows[0]["ColumnName"]);
+                Assert.Equal(typeof(DateTime), schemaTable.Rows[0]["DataType"]);
+                Assert.Equal(0, schemaTable.Rows[0]["ColumnOrdinal"]);
+                Assert.Equal(8, schemaTable.Rows[0]["ColumnSize"]);
+                Assert.Equal("TIMESTAMP", schemaTable.Rows[0]["DataTypeName"]);
+
+                Assert.Equal("f_int", schemaTable.Rows[1]["ColumnName"]);
+                Assert.Equal(typeof(int), schemaTable.Rows[1]["DataType"]);
+                Assert.Equal(1, schemaTable.Rows[1]["ColumnOrdinal"]);
+                Assert.Equal(4, schemaTable.Rows[1]["ColumnSize"]);
+                Assert.Equal("INT", schemaTable.Rows[1]["DataTypeName"]);
+
+                Assert.Equal("f_bigint", schemaTable.Rows[2]["ColumnName"]);
+                Assert.Equal(typeof(long), schemaTable.Rows[2]["DataType"]);
+                Assert.Equal(2, schemaTable.Rows[2]["ColumnOrdinal"]);
+                Assert.Equal(8, schemaTable.Rows[2]["ColumnSize"]);
+                Assert.Equal("BIGINT", schemaTable.Rows[2]["DataTypeName"]);
+
+                Assert.Equal("f_float", schemaTable.Rows[3]["ColumnName"]);
+                Assert.Equal(typeof(float), schemaTable.Rows[3]["DataType"]);
+                Assert.Equal(3, schemaTable.Rows[3]["ColumnOrdinal"]);
+                Assert.Equal(4, schemaTable.Rows[3]["ColumnSize"]);
+                Assert.Equal("FLOAT", schemaTable.Rows[3]["DataTypeName"]);
+
+                Assert.Equal("f_double", schemaTable.Rows[4]["ColumnName"]);
+                Assert.Equal(typeof(double), schemaTable.Rows[4]["DataType"]);
+                Assert.Equal(4, schemaTable.Rows[4]["ColumnOrdinal"]);
+                Assert.Equal(8, schemaTable.Rows[4]["ColumnSize"]);
+                Assert.Equal("DOUBLE", schemaTable.Rows[4]["DataTypeName"]);
+
+                Assert.Equal("f_binary", schemaTable.Rows[5]["ColumnName"]);
+                Assert.Equal(typeof(byte[]), schemaTable.Rows[5]["DataType"]);
+                Assert.Equal(5, schemaTable.Rows[5]["ColumnOrdinal"]);
+                Assert.Equal(16, schemaTable.Rows[5]["ColumnSize"]);
+                Assert.Equal("BINARY", schemaTable.Rows[5]["DataTypeName"]);
+
+                Assert.Equal("f_smallint", schemaTable.Rows[6]["ColumnName"]);
+                Assert.Equal(typeof(short), schemaTable.Rows[6]["DataType"]);
+                Assert.Equal(6, schemaTable.Rows[6]["ColumnOrdinal"]);
+                Assert.Equal(2, schemaTable.Rows[6]["ColumnSize"]);
+                Assert.Equal("SMALLINT", schemaTable.Rows[6]["DataTypeName"]);
+
+
+                Assert.Equal("f_tinyint", schemaTable.Rows[7]["ColumnName"]);
+                Assert.Equal(typeof(sbyte), schemaTable.Rows[7]["DataType"]);
+                Assert.Equal(7, schemaTable.Rows[7]["ColumnOrdinal"]);
+                Assert.Equal(1, schemaTable.Rows[7]["ColumnSize"]);
+                Assert.Equal("TINYINT", schemaTable.Rows[7]["DataTypeName"]);
+
+                Assert.Equal("f_bool", schemaTable.Rows[8]["ColumnName"]);
+                Assert.Equal(typeof(bool), schemaTable.Rows[8]["DataType"]);
+                Assert.Equal(8, schemaTable.Rows[8]["ColumnOrdinal"]);
+                Assert.Equal(1, schemaTable.Rows[8]["ColumnSize"]);
+                Assert.Equal("BOOL", schemaTable.Rows[8]["DataTypeName"]);
+
+                Assert.Equal("f_nchar", schemaTable.Rows[9]["ColumnName"]);
+                Assert.Equal(typeof(string), schemaTable.Rows[9]["DataType"]);
+                Assert.Equal(9, schemaTable.Rows[9]["ColumnOrdinal"]);
+                Assert.Equal(16, schemaTable.Rows[9]["ColumnSize"]);
+                Assert.Equal("NCHAR", schemaTable.Rows[9]["DataTypeName"]);
+
+                Assert.Equal("f_uint", schemaTable.Rows[10]["ColumnName"]);
+                Assert.Equal(typeof(uint), schemaTable.Rows[10]["DataType"]);
+                Assert.Equal(10, schemaTable.Rows[10]["ColumnOrdinal"]);
+                Assert.Equal(4, schemaTable.Rows[10]["ColumnSize"]);
+                Assert.Equal("INT UNSIGNED", schemaTable.Rows[10]["DataTypeName"]);
+
+                Assert.Equal("f_ubigint", schemaTable.Rows[11]["ColumnName"]);
+                Assert.Equal(typeof(ulong), schemaTable.Rows[11]["DataType"]);
+                Assert.Equal(11, schemaTable.Rows[11]["ColumnOrdinal"]);
+                Assert.Equal(8, schemaTable.Rows[11]["ColumnSize"]);
+                Assert.Equal("BIGINT UNSIGNED", schemaTable.Rows[11]["DataTypeName"]);
+
+                Assert.Equal("f_usmallint", schemaTable.Rows[12]["ColumnName"]);
+                Assert.Equal(typeof(ushort), schemaTable.Rows[12]["DataType"]);
+                Assert.Equal(12, schemaTable.Rows[12]["ColumnOrdinal"]);
+                Assert.Equal(2, schemaTable.Rows[12]["ColumnSize"]);
+                Assert.Equal("SMALLINT UNSIGNED", schemaTable.Rows[12]["DataTypeName"]);
+
+                Assert.Equal("f_utinyint", schemaTable.Rows[13]["ColumnName"]);
+                Assert.Equal(typeof(byte), schemaTable.Rows[13]["DataType"]);
+                Assert.Equal(13, schemaTable.Rows[13]["ColumnOrdinal"]);
+                Assert.Equal(1, schemaTable.Rows[13]["ColumnSize"]);
+                Assert.Equal("TINYINT UNSIGNED", schemaTable.Rows[13]["DataTypeName"]);
+
+                reader.Close();
+            }
+        }
     }
 }