core/src/main/java/com/orientechnologies/orient/core/sql/OCommandExecutorSQLCreateProperty.java
public Object execute(final Map<Object, Object> iArgs) {
    if (type == null)
      throw new OCommandExecutionException("Cannot execute the command because it has not been parsed yet");

    final ODatabaseDocument database = getDatabase();
    final OClassEmbedded sourceClass = (OClassEmbedded) database.getMetadata().getSchema().getClass(className);
    if (sourceClass == null)
      throw new OCommandExecutionException("Source class '" + className + "' not found");

    OPropertyImpl prop = (OPropertyImpl) sourceClass.getProperty(fieldName);

    if (prop != null) {
      if (ifNotExists) {
        return sourceClass.properties().size();
      }
      throw new OCommandExecutionException(
          "Property '" + className + "." + fieldName + "' already exists. Remove it before to retry.");
    }

    // CREATE THE PROPERTY
    OClass linkedClass = null;
    OType linkedType = null;
    if (linked != null) {
      // FIRST SEARCH BETWEEN CLASSES
      linkedClass = database.getMetadata().getSchema().getClass(linked);

      if (linkedClass == null)
        // NOT FOUND: SEARCH BETWEEN TYPES
        linkedType = OType.valueOf(linked.toUpperCase(Locale.ENGLISH));
    }

    // CREATE IT LOCALLY
    OPropertyImpl internalProp = sourceClass.addPropertyInternal(fieldName, type, linkedType, linkedClass, unsafe);
    if (readonly) {
      internalProp.setReadonly(true);
    }

    if (mandatory) {
      internalProp.setMandatory(true);
    }

    if (notnull) {
      internalProp.setNotNull(true);
    }

    if (max != null) {
      internalProp.setMax(max);
    }

    if (min != null) {
      internalProp.setMin(min);
    }

    if (defaultValue != null) {
      internalProp.setDefaultValue(defaultValue);
    }

    return sourceClass.properties().size();
  }
public Object execute(final Map<Object, Object> iArgs) {
    if (type == null)
      throw new OCommandExecutionException("Cannot execute the command because it has not been parsed yet");

    final ODatabaseDocument database = getDatabase();
    final OClassEmbedded sourceClass = (OClassEmbedded) database.getMetadata().getSchema().getClass(className);
    if (sourceClass == null)
      throw new OCommandExecutionException("Source class '" + className + "' not found");

    OPropertyImpl prop = (OPropertyImpl) sourceClass.getProperty(fieldName);

    if (prop != null) {
      if (ifNotExists) {
        return sourceClass.properties().size();
      }
      throw new OCommandExecutionException(
          "Property '" + className + "." + fieldName + "' already exists. Remove it before to retry.");
    }

    // CREATE THE PROPERTY
    OClass linkedClass = null;
    OType linkedType = null;
    if (linked != null) {
      // FIRST SEARCH BETWEEN CLASSES
      linkedClass = database.getMetadata().getSchema().getClass(linked);

      if (linkedClass == null)
        // NOT FOUND: SEARCH BETWEEN TYPES
        linkedType = OType.valueOf(linked.toUpperCase(Locale.ENGLISH));
    }

    // CREATE IT LOCALLY
    OPropertyImpl internalProp = sourceClass.addPropertyInternal(fieldName, type, linkedType, linkedClass, unsafe);
    if (readonly) {
      internalProp.setReadonly(true);
    }

    if (mandatory) {
      internalProp.setMandatory(true);
    }

    if (notnull) {
      internalProp.setNotNull(true);
    }

    if (max != null) {
      internalProp.setMax(max);
    }

    if (min != null) {
      internalProp.setMin(min);
    }

    if (defaultValue != null) {
      internalProp.setDefaultValue(defaultValue);
    }

    return sourceClass.properties().size();
  }
public Object execute ( final Map < Object , Object > iArgs ) { if ( type == null ) throw new OCommandExecutionException ( "Cannot execute the command because it has not been parsed yet" ) ; final ODatabaseDocument database = getDatabase ( ) ; final OClassEmbedded sourceClass = ( OClassEmbedded ) database . getMetadata ( ) . getSchema ( ) . getClass ( className ) ; if ( sourceClass == null ) throw new OCommandExecutionException ( "Source class '" + className + "' not found" ) ; OPropertyImpl prop = ( OPropertyImpl ) sourceClass . getProperty ( fieldName ) ; if ( prop != null ) { if ( ifNotExists ) { return sourceClass . properties ( ) . size ( ) ; } throw new OCommandExecutionException ( "Property '" + className + "." + fieldName + "' already exists. Remove it before to retry." ) ; } // CREATE THE PROPERTY
 OClass linkedClass = null ; OType linkedType = null ; if ( linked != null ) { // FIRST SEARCH BETWEEN CLASSES
 linkedClass = database . getMetadata ( ) . getSchema ( ) . getClass ( linked ) ; if ( linkedClass == null ) // NOT FOUND: SEARCH BETWEEN TYPES
 linkedType = OType . valueOf ( linked . toUpperCase ( Locale . ENGLISH ) ) ; } // CREATE IT LOCALLY
 OPropertyImpl internalProp = sourceClass . addPropertyInternal ( fieldName , type , linkedType , linkedClass , unsafe ) ; if ( readonly ) { internalProp . setReadonly ( true ) ; } if ( mandatory ) { internalProp . setMandatory ( true ) ; } if ( notnull ) { internalProp . setNotNull ( true ) ; } if ( max != null ) { internalProp . setMax ( max ) ; } if ( min != null ) { internalProp . setMin ( min ) ; } if ( defaultValue != null ) { internalProp . setDefaultValue ( defaultValue ) ; } return sourceClass . properties ( ) . size ( ) ; }
Execute the CREATE PROPERTY.
Execute the CREATE PROPERTY .