src/main/java/org/embulk/output/oracle/OracleOutputConnection.java in embulk-output-oracle-0.2.3 vs src/main/java/org/embulk/output/oracle/OracleOutputConnection.java in embulk-output-oracle-0.2.4

- old
+ new

@@ -1,134 +1,134 @@ -package org.embulk.output.oracle; - - -import java.nio.charset.Charset; -import java.sql.Connection; -import java.sql.PreparedStatement; -import java.sql.ResultSet; -import java.sql.SQLException; -import java.sql.Statement; -import java.util.HashMap; -import java.util.Map; - -import org.embulk.output.jdbc.JdbcOutputConnection; -import org.embulk.output.jdbc.JdbcSchema; - -public class OracleOutputConnection - extends JdbcOutputConnection -{ - private static final Map<String, String> CHARSET_NAMES = new HashMap<String, String>(); - static { - CHARSET_NAMES.put("JA16SJIS", "Shift_JIS"); - CHARSET_NAMES.put("JA16SJISTILDE", "Shift_JIS"); - CHARSET_NAMES.put("JA16EUC", "EUC-JP"); - CHARSET_NAMES.put("JA16EUCTILDE", "EUC-JP"); - CHARSET_NAMES.put("AL32UTF8", "UTF-8"); - CHARSET_NAMES.put("UTF8", "UTF-8"); - CHARSET_NAMES.put("AL16UTF16", "UTF-16"); - } - - private final boolean direct; - - - public OracleOutputConnection(Connection connection, boolean autoCommit, boolean direct) - throws SQLException - { - super(connection, getSchema(connection)); - connection.setAutoCommit(autoCommit); - - this.direct = direct; - } - - @Override - protected String convertTypeName(String typeName) - { - switch(typeName) { - case "BIGINT": - return "NUMBER(19,0)"; - default: - return typeName; - } - } - - @Override - protected void setSearchPath(String schema) throws SQLException { - // NOP - } - - - @Override - public void dropTableIfExists(String tableName) throws SQLException - { - if (tableExists(tableName)) { - dropTable(tableName); - } - } - - @Override - protected void dropTableIfExists(Statement stmt, String tableName) throws SQLException { - if (tableExists(tableName)) { - dropTable(stmt, tableName); - } - } - - @Override - public void createTableIfNotExists(String tableName, JdbcSchema schema) throws SQLException - { - if (!tableExists(tableName)) { - createTable(tableName, schema); - } - } - - private static String getSchema(Connection connection) throws SQLException - { - // Because old Oracle JDBC drivers don't support Connection#getSchema method. - String sql = "SELECT SYS_CONTEXT('USERENV', 'CURRENT_SCHEMA') FROM DUAL"; - try (Statement statement = connection.createStatement()) { - try (ResultSet resultSet = statement.executeQuery(sql)) { - if (resultSet.next()) { - return resultSet.getString(1); - } - throw new SQLException(String.format("Cannot get schema becase \"%s\" didn't return any value.", sql)); - } - } - } - - @Override - protected String buildPrepareInsertSql(String toTable, JdbcSchema toTableSchema) throws SQLException - { - String sql = super.buildPrepareInsertSql(toTable, toTableSchema); - if (direct) { - sql = sql.replaceAll("^INSERT ", "INSERT /*+ APPEND_VALUES */ "); - } - return sql; - } - - public OracleCharset getCharset() throws SQLException - { - String charsetName = "UTF8"; - try (Statement statement = connection.createStatement()) { - try (ResultSet resultSet = statement.executeQuery("SELECT VALUE FROM NLS_DATABASE_PARAMETERS WHERE PARAMETER='NLS_CHARACTERSET'")) { - if (resultSet.next()) { - String nlsCharacterSet = resultSet.getString(1); - if (CHARSET_NAMES.containsKey(nlsCharacterSet)) { - charsetName = nlsCharacterSet; - } - } - } - } - - try (PreparedStatement statement = connection.prepareStatement("SELECT NLS_CHARSET_ID(?) FROM DUAL")) { - statement.setString(1, charsetName); - try (ResultSet resultSet = statement.executeQuery()) { - if (!resultSet.next()) { - throw new SQLException("Unknown NLS_CHARACTERSET : " + charsetName); - } - - return new OracleCharset(charsetName, - resultSet.getShort(1), - Charset.forName(CHARSET_NAMES.get(charsetName))); - } - } - } - -} +package org.embulk.output.oracle; + + +import java.nio.charset.Charset; +import java.sql.Connection; +import java.sql.PreparedStatement; +import java.sql.ResultSet; +import java.sql.SQLException; +import java.sql.Statement; +import java.util.HashMap; +import java.util.Map; + +import org.embulk.output.jdbc.JdbcOutputConnection; +import org.embulk.output.jdbc.JdbcSchema; + +public class OracleOutputConnection + extends JdbcOutputConnection +{ + private static final Map<String, String> CHARSET_NAMES = new HashMap<String, String>(); + static { + CHARSET_NAMES.put("JA16SJIS", "Shift_JIS"); + CHARSET_NAMES.put("JA16SJISTILDE", "Shift_JIS"); + CHARSET_NAMES.put("JA16EUC", "EUC-JP"); + CHARSET_NAMES.put("JA16EUCTILDE", "EUC-JP"); + CHARSET_NAMES.put("AL32UTF8", "UTF-8"); + CHARSET_NAMES.put("UTF8", "UTF-8"); + CHARSET_NAMES.put("AL16UTF16", "UTF-16"); + } + + private final boolean direct; + + + public OracleOutputConnection(Connection connection, boolean autoCommit, boolean direct) + throws SQLException + { + super(connection, getSchema(connection)); + connection.setAutoCommit(autoCommit); + + this.direct = direct; + } + + @Override + protected String convertTypeName(String typeName) + { + switch(typeName) { + case "BIGINT": + return "NUMBER(19,0)"; + default: + return typeName; + } + } + + @Override + protected void setSearchPath(String schema) throws SQLException { + // NOP + } + + + @Override + public void dropTableIfExists(String tableName) throws SQLException + { + if (tableExists(tableName)) { + dropTable(tableName); + } + } + + @Override + protected void dropTableIfExists(Statement stmt, String tableName) throws SQLException { + if (tableExists(tableName)) { + dropTable(stmt, tableName); + } + } + + @Override + public void createTableIfNotExists(String tableName, JdbcSchema schema) throws SQLException + { + if (!tableExists(tableName)) { + createTable(tableName, schema); + } + } + + private static String getSchema(Connection connection) throws SQLException + { + // Because old Oracle JDBC drivers don't support Connection#getSchema method. + String sql = "SELECT SYS_CONTEXT('USERENV', 'CURRENT_SCHEMA') FROM DUAL"; + try (Statement statement = connection.createStatement()) { + try (ResultSet resultSet = statement.executeQuery(sql)) { + if (resultSet.next()) { + return resultSet.getString(1); + } + throw new SQLException(String.format("Cannot get schema becase \"%s\" didn't return any value.", sql)); + } + } + } + + @Override + protected String buildPrepareInsertSql(String toTable, JdbcSchema toTableSchema) throws SQLException + { + String sql = super.buildPrepareInsertSql(toTable, toTableSchema); + if (direct) { + sql = sql.replaceAll("^INSERT ", "INSERT /*+ APPEND_VALUES */ "); + } + return sql; + } + + public OracleCharset getCharset() throws SQLException + { + String charsetName = "UTF8"; + try (Statement statement = connection.createStatement()) { + try (ResultSet resultSet = statement.executeQuery("SELECT VALUE FROM NLS_DATABASE_PARAMETERS WHERE PARAMETER='NLS_CHARACTERSET'")) { + if (resultSet.next()) { + String nlsCharacterSet = resultSet.getString(1); + if (CHARSET_NAMES.containsKey(nlsCharacterSet)) { + charsetName = nlsCharacterSet; + } + } + } + } + + try (PreparedStatement statement = connection.prepareStatement("SELECT NLS_CHARSET_ID(?) FROM DUAL")) { + statement.setString(1, charsetName); + try (ResultSet resultSet = statement.executeQuery()) { + if (!resultSet.next()) { + throw new SQLException("Unknown NLS_CHARACTERSET : " + charsetName); + } + + return new OracleCharset(charsetName, + resultSet.getShort(1), + Charset.forName(CHARSET_NAMES.get(charsetName))); + } + } + } + +}