PLUGIN-1883: Rename method

Rename method describeTable() to getFieldDescriptors()

Author: sgarg-CS

src/main/java/io/cdap/plugin/snowflake/common/client/SnowflakeAccessor.java

@@ -82,7 +82,7 @@ public void runSQL(String query) {
    * @return list of field descriptors
    * @throws SQLException If an error occurs while retrieving metadata from the database
    */
-  public List<SnowflakeFieldDescriptor> describeTable(String schemaName, String tableName) throws SQLException {
+  public List<SnowflakeFieldDescriptor> getFieldDescriptors(String schemaName, String tableName) throws SQLException {
     List<SnowflakeFieldDescriptor> fieldDescriptors = new ArrayList<>();
     try (Connection connection = dataSource.getConnection()) {
       DatabaseMetaData dbMetaData = connection.getMetaData();

src/main/java/io/cdap/plugin/snowflake/common/util/SchemaHelper.java

@@ -125,7 +125,7 @@ private static Schema getSchema(SnowflakeAccessor snowflakeAccessor, @Nullable S
     try {
       List<SnowflakeFieldDescriptor> result;
       if (!Strings.isNullOrEmpty(tableName)) {
-        result = snowflakeAccessor.describeTable(snowflakeAccessor.getSchema(), tableName);
+        result = snowflakeAccessor.getFieldDescriptors(snowflakeAccessor.getSchema(), tableName);
       } else if (!Strings.isNullOrEmpty(importQuery)) {
         result = snowflakeAccessor.describeQuery(importQuery);
       } else {

src/test/java/io/cdap/plugin/snowflake/common/client/SnowflakeAccessorTest.java

@@ -117,8 +117,9 @@ public void testDescribeTable() throws Exception {
       new SnowflakeFieldDescriptor("COLUMN_ARRAY", 12, true)
     );
 
-    List<SnowflakeFieldDescriptor> actual = snowflakeAccessor.describeTable(String.valueOf(Constants.TEST_TABLE_SCHEMA),
-                                                                            Constants.TEST_TABLE);
+    List<SnowflakeFieldDescriptor> actual = snowflakeAccessor.getFieldDescriptors(
+      String.valueOf(Constants.TEST_TABLE_SCHEMA),
+      Constants.TEST_TABLE);
 
     Assert.assertNotNull(actual);
     Assert.assertFalse(actual.isEmpty());

src/test/java/io/cdap/plugin/snowflake/common/util/SchemaHelperTest.java

@@ -74,7 +74,7 @@ public void testGetSchemaFromSnowflakeUnknownType() throws IOException, SQLExcep
     List<SnowflakeFieldDescriptor> sample = new ArrayList<>();
     sample.add(new SnowflakeFieldDescriptor("field1", -1000, false));
 
-    Mockito.when(snowflakeAccessor.describeTable(null, tableName)).thenReturn(sample);
+    Mockito.when(snowflakeAccessor.getFieldDescriptors(null, tableName)).thenReturn(sample);
 
     SchemaHelper.getSchema(snowflakeAccessor, null, collector, tableName, importQuery);
 
@@ -148,7 +148,7 @@ public void testGetSchemaFromSnowflake() throws IOException, SQLException {
     );
 
     Mockito.when(snowflakeAccessor.describeQuery(importQuery)).thenReturn(sample);
-    Mockito.when(snowflakeAccessor.describeTable(Mockito.any(), Mockito.eq(tableName))).thenReturn(sample);
+    Mockito.when(snowflakeAccessor.getFieldDescriptors(Mockito.any(), Mockito.eq(tableName))).thenReturn(sample);
 
     Schema actual = SchemaHelper.getSchema(snowflakeAccessor, null, collector, tableName, importQuery);