Examples with View liquibase.structure.core.View used on opensource projects

Example 6 with View

use of liquibase.structure.core.View in project liquibase by liquibase.

the class ViewExistsPrecondition method check.

@Override
public void check(Database database, DatabaseChangeLog changeLog, ChangeSet changeSet) throws PreconditionFailedException, PreconditionErrorException {
    String currentSchemaName;
    String currentCatalogName;
    try {
        currentCatalogName = getCatalogName();
        currentSchemaName = getSchemaName();
        if (!SnapshotGeneratorFactory.getInstance().has(new View().setName(database.correctObjectName(getViewName(), View.class)).setSchema(new Schema(currentCatalogName, currentSchemaName)), database)) {
            throw new PreconditionFailedException("View " + database.escapeTableName(currentCatalogName, currentSchemaName, getViewName()) + " does not exist", changeLog, this);
        }
    } catch (PreconditionFailedException e) {
        throw e;
    } catch (Exception e) {
        throw new PreconditionErrorException(e, changeLog, this);
    }
}

Example 7 with View

use of liquibase.structure.core.View in project liquibase by liquibase.

the class CreateViewChange method checkStatus.

@Override
public ChangeStatus checkStatus(Database database) {
    ChangeStatus result = new ChangeStatus();
    try {
        View example = new View(getCatalogName(), getSchemaName(), getViewName());
        View snapshot = SnapshotGeneratorFactory.getInstance().createSnapshot(example, database);
        result.assertComplete(snapshot != null, "View does not exist");
        return result;
    } catch (Exception e) {
        return result.unknown(e);
    }
}

Example 8 with View

use of liquibase.structure.core.View in project liquibase by liquibase.

the class ViewSnapshotGenerator method snapshotObject.

//    public Boolean has(DatabaseObject example, DatabaseSnapshot snapshot, SnapshotGeneratorChain chain) throws DatabaseException {
//        Database database = snapshot.getDatabase();
//        if (!(example instanceof View)) {
//            return chain.has(example, snapshot);
//        }
//        String viewName = example.getName();
//        Schema schema = example.getSchema();
//        try {
//            ResultSet rs = getMetaData(database).getTables(database.getJdbcCatalogName(schema), database.getJdbcSchemaName(schema), database.correctObjectName(viewName, View.class), new String[]{"VIEW"});
//            try {
//                return rs.next();
//            } finally {
//                try {
//                    rs.close();
//                } catch (SQLException ignore) {
//                }
//            }
//        } catch (SQLException e) {
//            throw new DatabaseException(e);
//        }
//    }
@Override
protected DatabaseObject snapshotObject(DatabaseObject example, DatabaseSnapshot snapshot) throws DatabaseException {
    if (((View) example).getDefinition() != null) {
        return example;
    }
    Database database = snapshot.getDatabase();
    Schema schema = example.getSchema();
    List<CachedRow> viewsMetadataRs = null;
    try {
        viewsMetadataRs = ((JdbcDatabaseSnapshot) snapshot).getMetaData().getViews(((AbstractJdbcDatabase) database).getJdbcCatalogName(schema), ((AbstractJdbcDatabase) database).getJdbcSchemaName(schema), example.getName());
        if (viewsMetadataRs.size() > 0) {
            CachedRow row = viewsMetadataRs.get(0);
            String rawViewName = row.getString("TABLE_NAME");
            String rawSchemaName = StringUtils.trimToNull(row.getString("TABLE_SCHEM"));
            String rawCatalogName = StringUtils.trimToNull(row.getString("TABLE_CAT"));
            String remarks = row.getString("REMARKS");
            if (remarks != null) {
                //come back escaped sometimes
                remarks = remarks.replace("''", "'");
            }
            View view = new View().setName(cleanNameFromDatabase(rawViewName, database));
            view.setRemarks(remarks);
            CatalogAndSchema schemaFromJdbcInfo = ((AbstractJdbcDatabase) database).getSchemaFromJdbcInfo(rawCatalogName, rawSchemaName);
            view.setSchema(new Schema(schemaFromJdbcInfo.getCatalogName(), schemaFromJdbcInfo.getSchemaName()));
            try {
                String definition = database.getViewDefinition(schemaFromJdbcInfo, view.getName());
                if (definition.startsWith("FULL_DEFINITION: ")) {
                    definition = definition.replaceFirst("^FULL_DEFINITION: ", "");
                    view.setContainsFullDefinition(true);
                }
                // remove strange zero-termination seen on some Oracle view definitions
                int length = definition.length();
                if (definition.charAt(length - 1) == 0) {
                    definition = definition.substring(0, length - 1);
                }
                if (database instanceof InformixDatabase) {
                    // Cleanup
                    definition = definition.trim();
                    definition = definition.replaceAll("\\s*,\\s*", ", ");
                    definition = definition.replaceAll("\\s*;", "");
                    // Strip the schema definition because it can optionally be included in the tag attribute
                    definition = definition.replaceAll("(?i)\"" + view.getSchema().getName() + "\"\\.", "");
                }
                view.setDefinition(definition);
            } catch (DatabaseException e) {
                throw new DatabaseException("Error getting " + database.getConnection().getURL() + " view with " + new GetViewDefinitionStatement(view.getSchema().getCatalogName(), view.getSchema().getName(), rawViewName), e);
            }
            return view;
        } else {
            return null;
        }
    } catch (SQLException e) {
        throw new DatabaseException(e);
    }
}

Example 9 with View

use of liquibase.structure.core.View in project liquibase by liquibase.

the class ViewSnapshotGenerator method addTo.

@Override
protected void addTo(DatabaseObject foundObject, DatabaseSnapshot snapshot) throws DatabaseException, InvalidExampleException {
    if (!snapshot.getSnapshotControl().shouldInclude(View.class)) {
        return;
    }
    if (foundObject instanceof Schema) {
        Schema schema = (Schema) foundObject;
        Database database = snapshot.getDatabase();
        List<CachedRow> viewsMetadataRs = null;
        try {
            viewsMetadataRs = ((JdbcDatabaseSnapshot) snapshot).getMetaData().getViews(((AbstractJdbcDatabase) database).getJdbcCatalogName(schema), ((AbstractJdbcDatabase) database).getJdbcSchemaName(schema), null);
            for (CachedRow row : viewsMetadataRs) {
                View view = new View();
                view.setName(row.getString("TABLE_NAME"));
                view.setSchema(schema);
                view.setRemarks(row.getString("REMARKS"));
                view.setDefinition(row.getString("OBJECT_BODY"));
                if (database instanceof OracleDatabase) {
                    view.setAttribute("editioning", "Y".equals(row.getString("EDITIONING_VIEW")));
                }
                schema.addDatabaseObject(view);
            }
        } catch (SQLException e) {
            throw new DatabaseException(e);
        }
    }
}