@Override protected Void visitCreateView(CreateView node, Integer indent) { builder.append("CREATE "); if (node.isReplace()) { builder.append("OR REPLACE "); } builder.append("VIEW ") .append(formatName(node.getName())) .append(" AS\n"); process(node.getQuery(), indent); return null; }
if (((CreateView) statement).isReplace()) { return MODIFY;
@Override public ListenableFuture<?> execute(CreateView statement, TransactionManager transactionManager, Metadata metadata, AccessControl accessControl, QueryStateMachine stateMachine, List<Expression> parameters) { Session session = stateMachine.getSession(); QualifiedObjectName name = createQualifiedObjectName(session, statement, statement.getName()); accessControl.checkCanCreateView(session.getRequiredTransactionId(), session.getIdentity(), name); String sql = getFormattedSql(statement.getQuery(), sqlParser, Optional.of(parameters)); Analysis analysis = analyzeStatement(statement, session, metadata, accessControl, parameters, stateMachine.getWarningCollector()); List<ViewColumn> columns = analysis.getOutputDescriptor(statement.getQuery()) .getVisibleFields().stream() .map(field -> new ViewColumn(field.getName().get(), field.getType())) .collect(toImmutableList()); String data = codec.toJson(new ViewDefinition(sql, session.getCatalog(), session.getSchema(), columns, Optional.of(session.getUser()))); metadata.createView(session, name, data, statement.isReplace()); return immediateFuture(null); }
CreateView viewStatement = (CreateView) statement; QualifiedObjectName viewNameFromStatement = createQualifiedObjectName(session, viewStatement, viewStatement.getName()); if (viewStatement.isReplace() && viewNameFromStatement.equals(name)) { throw new SemanticException(VIEW_IS_RECURSIVE, table, "Statement would create a recursive view");
@Override protected Void visitCreateView(CreateView node, Integer indent) { builder.append("CREATE "); if (node.isReplace()) { builder.append("OR REPLACE "); } builder.append("VIEW ") .append(formatName(node.getName())) .append(" AS\n"); process(node.getQuery(), indent); return null; }
@Override protected Void visitCreateView(CreateView node, Integer indent) { builder.append("CREATE "); if (node.isReplace()) { builder.append("OR REPLACE "); } builder.append("VIEW ") .append(node.getName()) .append(" AS\n"); process(node.getQuery(), indent); return null; }
@Override protected Void visitCreateView(CreateView node, Integer indent) { builder.append("CREATE "); if (node.isReplace()) { builder.append("OR REPLACE "); } builder.append("VIEW ") .append(node.getName()) .append(" AS\n"); process(node.getQuery(), indent); return null; }
@Override protected Void visitCreateView(CreateView node, Integer indent) { builder.append("CREATE "); if (node.isReplace()) { builder.append("OR REPLACE "); } builder.append("VIEW ") .append(formatName(node.getName())) .append(" AS\n"); process(node.getQuery(), indent); return null; }
@Override public CompletableFuture<?> execute(CreateView statement, TransactionManager transactionManager, Metadata metadata, AccessControl accessControl, QueryStateMachine stateMachine) { Session session = stateMachine.getSession(); QualifiedObjectName name = createQualifiedObjectName(session, statement, statement.getName()); accessControl.checkCanCreateView(session.getRequiredTransactionId(), session.getIdentity(), name); String sql = getFormattedSql(statement); Analysis analysis = analyzeStatement(statement, session, metadata); List<ViewColumn> columns = analysis.getOutputDescriptor() .getVisibleFields().stream() .map(field -> new ViewColumn(field.getName().get(), field.getType())) .collect(toImmutableList()); String data = codec.toJson(new ViewDefinition(sql, session.getCatalog(), session.getSchema(), columns, Optional.of(session.getUser()))); metadata.createView(session, name, data, statement.isReplace()); return completedFuture(null); }