本文整理了Java中org.pentaho.di.core.database.Database.checkSequenceExists()方法的一些代码示例，展示了Database.checkSequenceExists()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Database.checkSequenceExists()方法的具体详情如下：
包路径：org.pentaho.di.core.database.Database
类名称：Database
方法名：checkSequenceExists

Database.checkSequenceExists介绍

[英]Check whether the sequence exists, Oracle only!
[中]检查序列是否存在，仅限Oracle！

代码示例

代码示例来源：origin: pentaho/pentaho-kettle

/**
 * Check whether the sequence exists, Oracle only!
 *
 * @param sequenceName The name of the sequence
 * @return true if the sequence exists.
 */
public boolean checkSequenceExists( String sequenceName ) throws KettleDatabaseException {
 return checkSequenceExists( null, sequenceName );
}

代码示例来源：origin: pentaho/pentaho-kettle

try {
 db.connect();
 if ( db.checkSequenceExists( transMeta.environmentSubstitute( schemaName ), transMeta
  .environmentSubstitute( sequenceName ) ) ) {
  cr =

代码示例来源：origin: pentaho/pentaho-kettle

if ( db.checkSequenceExists( sequenceFrom ) ) {
 error_message =
  BaseMessages

代码示例来源：origin: pentaho/pentaho-kettle

if ( db.checkSequenceExists( sequenceName ) ) {
 error_message =
   BaseMessages.getString( PKG, "DimensionLookupMeta.CheckResult.SequenceExists", sequenceName );

代码示例来源：origin: pentaho/pentaho-kettle

@Override
public SQLStatement getSQLStatements( TransMeta transMeta, StepMeta stepMeta, RowMetaInterface prev,
 Repository repository, IMetaStore metaStore ) {
 SQLStatement retval = new SQLStatement( stepMeta.getName(), database, null ); // default: nothing to do!
 if ( useDatabase ) {
  // Otherwise, don't bother!
  if ( database != null ) {
   Database db = new Database( loggingObject, database );
   db.shareVariablesWith( transMeta );
   try {
    db.connect();
    if ( !db.checkSequenceExists( schemaName, sequenceName ) ) {
     String cr_table = db.getCreateSequenceStatement( sequenceName, startAt, incrementBy, maxValue, true );
     retval.setSQL( cr_table );
    } else {
     retval.setSQL( null ); // Empty string means: nothing to do: set it to null...
    }
   } catch ( KettleException e ) {
    retval.setError( BaseMessages.getString( PKG, "AddSequenceMeta.ErrorMessage.UnableToConnectDB" )
     + Const.CR + e.getMessage() );
   } finally {
    db.disconnect();
   }
  } else {
   retval.setError( BaseMessages.getString( PKG, "AddSequenceMeta.ErrorMessage.NoConnectionDefined" ) );
  }
 }
 return retval;
}

代码示例来源：origin: pentaho/pentaho-kettle

if ( !db.checkSequenceExists( schemaName, sequenceName ) ) {
 sql += db.getCreateSequenceStatement( schemaName, sequenceName, 1L, 1L, -1L, true );

代码示例来源：origin: pentaho/pentaho-kettle

if ( !db.checkSequenceExists( schemaName, sequenceFrom ) ) {
 cr_seq += db.getCreateSequenceStatement( schemaName, sequenceFrom, 1L, 1L, -1L, true );
 cr_seq += Const.CR;