Source:
<code>public void testCreateAndAlterTable() { SchemaTableName table = new SchemaTableName("example", "foo"); metadata.createTable(SESSION, new ConnectorTableMetadata(table, ImmutableList.of(new ColumnMetadata("text", VARCHAR))), false); <START> <END> JdbcTableHandle handle = metadata.getTableHandle(SESSION, table); ConnectorTableMetadata layout = metadata.getTableMetadata(SESSION, handle); assertEquals(layout.getTable(), table); assertEquals(layout.getColumns().size(), 1); assertEquals(layout.getColumns().get(0), new ColumnMetadata("text", VARCHAR)); metadata.addColumn(SESSION, handle, new ColumnMetadata("x", VARCHAR)); layout = metadata.getTableMetadata(SESSION, handle); assertEquals(layout.getColumns().size(), 2); assertEquals(layout.getColumns().get(0), new ColumnMetadata("text", VARCHAR)); assertEquals(layout.getColumns().get(1), new ColumnMetadata("x", VARCHAR)); JdbcColumnHandle columnHandle = new JdbcColumnHandle(CONNECTOR_ID, "x", JDBC_VARCHAR, VARCHAR); metadata.dropColumn(SESSION, handle, columnHandle); layout = metadata.getTableMetadata(SESSION, handle); assertEquals(layout.getColumns().size(), 1); assertEquals(layout.getColumns().get(0), new ColumnMetadata("text", VARCHAR)); SchemaTableName newTableName = new SchemaTableName("example", "bar"); metadata.renameTable(SESSION, handle, newTableName); handle = metadata.getTableHandle(SESSION, newTableName); layout = metadata.getTableMetadata(SESSION, handle); assertEquals(layout.getTable(), newTableName); assertEquals(layout.getColumns().size(), 1); assertEquals(layout.getColumns().get(0), new ColumnMetadata("text", VARCHAR)); }</code><technical_language>text is a confusing column name is a data type in PostgreSQL</technical_language>

Target:
public void testCreateAndAlterTable() { SchemaTableName table = new SchemaTableName("example", "foo"); metadata.createTable(SESSION, new ConnectorTableMetadata(table, ImmutableList.of(new ColumnMetadata("text", VARCHAR))), false); JdbcTableHandle handle = metadata.getTableHandle(SESSION, table); ConnectorTableMetadata layout = metadata.getTableMetadata(SESSION, handle); assertEquals(layout.getTable(), table); assertEquals(layout.getColumns().size(), 1); assertEquals(layout.getColumns().get(0), new ColumnMetadata("text", VARCHAR)); metadata.addColumn(SESSION, handle, new ColumnMetadata("x", VARCHAR)); layout = metadata.getTableMetadata(SESSION, handle); assertEquals(layout.getColumns().size(), 2); assertEquals(layout.getColumns().get(0), new ColumnMetadata("text", VARCHAR)); assertEquals(layout.getColumns().get(1), new ColumnMetadata("x", VARCHAR)); JdbcColumnHandle columnHandle = new JdbcColumnHandle(CONNECTOR_ID, "x", JDBC_VARCHAR, VARCHAR, true); metadata.dropColumn(SESSION, handle, columnHandle); layout = metadata.getTableMetadata(SESSION, handle); assertEquals(layout.getColumns().size(), 1); assertEquals(layout.getColumns().get(0), new ColumnMetadata("text", VARCHAR)); SchemaTableName newTableName = new SchemaTableName("example", "bar"); metadata.renameTable(SESSION, handle, newTableName); handle = metadata.getTableHandle(SESSION, newTableName); layout = metadata.getTableMetadata(SESSION, handle); assertEquals(layout.getTable(), newTableName); assertEquals(layout.getColumns().size(), 1); assertEquals(layout.getColumns().get(0), new ColumnMetadata("text", VARCHAR)); }