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Batch Insert In Java – JDBC
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| /* | |
| * This is a simplest solution. Consider a batch size like 1000 | |
| * and insert queries in the batches of 1000 queries at a time. | |
| */ | |
| String sql = "insert into employee (name, city, phone) values (?, ?, ?)"; | |
| Connection connection = new getConnection(); | |
| PreparedStatement ps = connection.prepareStatement(sql); | |
| final int batchSize = 1000; | |
| int count = 0; | |
| for (Employee employee: employees) { | |
| ps.setString(1, employee.getName()); | |
| ps.setString(2, employee.getCity()); | |
| ps.setString(3, employee.getPhone()); | |
| ps.addBatch(); | |
| if(++count % batchSize == 0) { | |
| ps.executeBatch(); | |
| } | |
| } | |
| ps.executeBatch(); // insert remaining records | |
| ps.close(); | |
| connection.close(); | |
| /* | |
| * This would be the ideal solution. This avoids SQL | |
| * Injection and also takes care of out of memory issue. | |
| * Check how we have incremented a counter count and once | |
| * it reaches batchSize which is 1000, we call executeBatch(). | |
| * / |
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