Examples with CSVParser org.apache.commons.csv.CSVParser used on opensource projects

Example 6 with CSVParser

use of org.apache.commons.csv.CSVParser in project phoenix by apache.

the class CSVCommonsLoader method upsert.

public void upsert(Reader reader) throws Exception {
    CSVParser parser = new CSVParser(reader, format);
    upsert(parser);
}

Example 7 with CSVParser

use of org.apache.commons.csv.CSVParser in project phoenix by apache.

the class CSVCommonsLoaderIT method testTDVCommonsUpsert.

@Test
public void testTDVCommonsUpsert() throws Exception {
    CSVParser parser = null;
    PhoenixConnection conn = null;
    try {
        String stockTableName = generateUniqueName();
        // Create table
        String statements = "CREATE TABLE IF NOT EXISTS " + stockTableName + "(SYMBOL VARCHAR NOT NULL PRIMARY KEY, COMPANY VARCHAR);";
        conn = DriverManager.getConnection(getUrl()).unwrap(PhoenixConnection.class);
        PhoenixRuntime.executeStatements(conn, new StringReader(statements), null);
        // Upsert TDV file
        CSVCommonsLoader csvUtil = new CSVCommonsLoader(conn, stockTableName, Collections.<String>emptyList(), true, '\t', '"', null, CSVCommonsLoader.DEFAULT_ARRAY_ELEMENT_SEPARATOR);
        csvUtil.upsert(new StringReader(STOCK_TDV_VALUES_WITH_HEADER));
        // Compare Phoenix ResultSet with CSV file content
        PreparedStatement statement = conn.prepareStatement("SELECT SYMBOL, COMPANY FROM " + stockTableName);
        ResultSet phoenixResultSet = statement.executeQuery();
        parser = new CSVParser(new StringReader(STOCK_TDV_VALUES_WITH_HEADER), csvUtil.getFormat());
        for (CSVRecord record : parser) {
            assertTrue(phoenixResultSet.next());
            int i = 0;
            for (String value : record) {
                assertEquals(value, phoenixResultSet.getString(i + 1));
                i++;
            }
        }
        assertFalse(phoenixResultSet.next());
    } finally {
        if (parser != null)
            parser.close();
        if (conn != null)
            conn.close();
    }
}

Example 8 with CSVParser

use of org.apache.commons.csv.CSVParser in project phoenix by apache.

the class CSVCommonsLoaderIT method testCSVUpsertWithBogusColumn.

@Test
public void testCSVUpsertWithBogusColumn() throws Exception {
    CSVParser parser = null;
    PhoenixConnection conn = null;
    try {
        String stockTableName = generateUniqueName();
        // Create table
        String statements = "CREATE TABLE IF NOT EXISTS " + stockTableName + "(SYMBOL VARCHAR NOT NULL PRIMARY KEY, COMPANY VARCHAR);";
        conn = DriverManager.getConnection(getUrl()).unwrap(PhoenixConnection.class);
        PhoenixRuntime.executeStatements(conn, new StringReader(statements), null);
        // Upsert CSV file, not strict
        CSVCommonsLoader csvUtil = new CSVCommonsLoader(conn, stockTableName, Arrays.asList(STOCK_COLUMNS_WITH_BOGUS), false);
        csvUtil.upsert(new StringReader(STOCK_CSV_VALUES));
        // Compare Phoenix ResultSet with CSV file content
        PreparedStatement statement = conn.prepareStatement("SELECT SYMBOL, COMPANY FROM " + stockTableName);
        ResultSet phoenixResultSet = statement.executeQuery();
        parser = new CSVParser(new StringReader(STOCK_CSV_VALUES), csvUtil.getFormat());
        for (CSVRecord record : parser) {
            assertTrue(phoenixResultSet.next());
            assertEquals(record.get(0), phoenixResultSet.getString(1));
            assertNull(phoenixResultSet.getString(2));
        }
        assertFalse(phoenixResultSet.next());
    } finally {
        if (parser != null)
            parser.close();
        if (conn != null)
            conn.close();
    }
}

Example 9 with CSVParser

use of org.apache.commons.csv.CSVParser in project phoenix by apache.

the class CSVCommonsLoaderIT method testCSVCommonsUpsert.

@Test
public void testCSVCommonsUpsert() throws Exception {
    CSVParser parser = null;
    PhoenixConnection conn = null;
    try {
        String stockTableName = generateUniqueName();
        // Create table
        String statements = "CREATE TABLE IF NOT EXISTS " + stockTableName + "(SYMBOL VARCHAR NOT NULL PRIMARY KEY, COMPANY VARCHAR);";
        conn = DriverManager.getConnection(getUrl()).unwrap(PhoenixConnection.class);
        PhoenixRuntime.executeStatements(conn, new StringReader(statements), null);
        // Upsert CSV file
        CSVCommonsLoader csvUtil = new CSVCommonsLoader(conn, stockTableName, Collections.<String>emptyList(), true);
        csvUtil.upsert(new StringReader(STOCK_CSV_VALUES_WITH_HEADER));
        // Compare Phoenix ResultSet with CSV file content
        PreparedStatement statement = conn.prepareStatement("SELECT SYMBOL, COMPANY FROM " + stockTableName);
        ResultSet phoenixResultSet = statement.executeQuery();
        parser = new CSVParser(new StringReader(STOCK_CSV_VALUES_WITH_HEADER), csvUtil.getFormat());
        for (CSVRecord record : parser) {
            assertTrue(phoenixResultSet.next());
            int i = 0;
            for (String value : record) {
                assertEquals(value, phoenixResultSet.getString(i + 1));
                i++;
            }
        }
        assertFalse(phoenixResultSet.next());
    } finally {
        if (parser != null)
            parser.close();
        if (conn != null)
            conn.close();
    }
}

Example 10 with CSVParser

use of org.apache.commons.csv.CSVParser in project phoenix by apache.

the class CSVCommonsLoaderIT method testCSVCommonsUpsertBadEncapsulatedControlChars.

@Test
public void testCSVCommonsUpsertBadEncapsulatedControlChars() throws Exception {
    CSVParser parser = null;
    PhoenixConnection conn = null;
    try {
        // Create table
        String statements = "CREATE TABLE IF NOT EXISTS " + ENCAPSULATED_CHARS_TABLE + "(MYKEY VARCHAR NOT NULL PRIMARY KEY, MYVALUE VARCHAR);";
        conn = DriverManager.getConnection(getUrl()).unwrap(PhoenixConnection.class);
        PhoenixRuntime.executeStatements(conn, new StringReader(statements), null);
        // Upsert CSV file
        CSVCommonsLoader csvUtil = new CSVCommonsLoader(conn, ENCAPSULATED_CHARS_TABLE, Collections.<String>emptyList(), true);
        try {
            csvUtil.upsert(new StringReader(CSV_VALUES_BAD_ENCAPSULATED_CONTROL_CHARS_WITH_HEADER));
            fail();
        } catch (RuntimeException e) {
            assertTrue(e.getMessage(), e.getMessage().contains("invalid char between encapsulated token and delimiter"));
        }
    } finally {
        if (parser != null)
            parser.close();
        if (conn != null)
            conn.close();
    }
}