Examples with HiveParserASTNode org.apache.flink.table.planner.delegation.hive.copy.HiveParserASTNode used on opensource projects

Example 36 with HiveParserASTNode

use of org.apache.flink.table.planner.delegation.hive.copy.HiveParserASTNode in project flink by apache.

the class HiveParserDDLSemanticAnalyzer method convertCreateView.

private Operation convertCreateView(HiveParserASTNode ast) throws SemanticException {
    String[] qualTabName = HiveParserBaseSemanticAnalyzer.getQualifiedTableName((HiveParserASTNode) ast.getChild(0));
    String dbDotTable = HiveParserBaseSemanticAnalyzer.getDotName(qualTabName);
    List<FieldSchema> cols = null;
    boolean ifNotExists = false;
    boolean isAlterViewAs = false;
    String comment = null;
    HiveParserASTNode selectStmt = null;
    Map<String, String> tblProps = null;
    boolean isMaterialized = ast.getToken().getType() == HiveASTParser.TOK_CREATE_MATERIALIZED_VIEW;
    if (isMaterialized) {
        handleUnsupportedOperation("MATERIALIZED VIEW is not supported");
    }
    HiveParserStorageFormat storageFormat = new HiveParserStorageFormat(conf);
    LOG.info("Creating view " + dbDotTable + " position=" + ast.getCharPositionInLine());
    int numCh = ast.getChildCount();
    for (int num = 1; num < numCh; num++) {
        HiveParserASTNode child = (HiveParserASTNode) ast.getChild(num);
        if (storageFormat.fillStorageFormat(child)) {
            handleUnsupportedOperation("FILE FORMAT for view is not supported");
        }
        switch(child.getToken().getType()) {
            case HiveASTParser.TOK_IFNOTEXISTS:
                ifNotExists = true;
                break;
            case HiveASTParser.TOK_REWRITE_ENABLED:
                handleUnsupportedOperation("MATERIALIZED VIEW REWRITE is not supported");
                break;
            case HiveASTParser.TOK_ORREPLACE:
                handleUnsupportedOperation("CREATE OR REPLACE VIEW is not supported");
                break;
            case HiveASTParser.TOK_QUERY:
                selectStmt = child;
                break;
            case HiveASTParser.TOK_TABCOLNAME:
                cols = HiveParserBaseSemanticAnalyzer.getColumns(child);
                break;
            case HiveASTParser.TOK_TABLECOMMENT:
                comment = HiveParserBaseSemanticAnalyzer.unescapeSQLString(child.getChild(0).getText());
                break;
            case HiveASTParser.TOK_TABLEPROPERTIES:
                tblProps = getProps((HiveParserASTNode) child.getChild(0));
                break;
            case HiveASTParser.TOK_TABLEROWFORMAT:
                handleUnsupportedOperation("ROW FORMAT for view is not supported");
                break;
            case HiveASTParser.TOK_TABLESERIALIZER:
                handleUnsupportedOperation("SERDE for view is not supported");
                break;
            case HiveASTParser.TOK_TABLELOCATION:
                handleUnsupportedOperation("LOCATION for view is not supported");
                break;
            case HiveASTParser.TOK_VIEWPARTCOLS:
                handleUnsupportedOperation("PARTITION COLUMN for view is not supported");
                break;
            default:
                throw new ValidationException("Unknown AST node for CREATE/ALTER VIEW: " + child);
        }
    }
    if (ast.getToken().getType() == HiveASTParser.TOK_ALTERVIEW && ast.getChild(1).getType() == HiveASTParser.TOK_QUERY) {
        isAlterViewAs = true;
    }
    queryState.setCommandType(HiveOperation.CREATEVIEW);
    HiveParserCreateViewInfo createViewInfo = new HiveParserCreateViewInfo(dbDotTable, cols, selectStmt);
    hiveParser.analyzeCreateView(createViewInfo, context, queryState, hiveShim);
    ObjectIdentifier viewIdentifier = parseObjectIdentifier(createViewInfo.getCompoundName());
    TableSchema schema = HiveTableUtil.createTableSchema(createViewInfo.getSchema(), Collections.emptyList(), Collections.emptySet(), null);
    Map<String, String> props = new HashMap<>();
    if (isAlterViewAs) {
        CatalogBaseTable baseTable = getCatalogBaseTable(viewIdentifier);
        props.putAll(baseTable.getOptions());
        comment = baseTable.getComment();
    } else {
        if (tblProps != null) {
            props.putAll(tblProps);
        }
    }
    CatalogView catalogView = new CatalogViewImpl(createViewInfo.getOriginalText(), createViewInfo.getExpandedText(), schema, props, comment);
    if (isAlterViewAs) {
        return new AlterViewAsOperation(viewIdentifier, catalogView);
    } else {
        return new CreateViewOperation(viewIdentifier, catalogView, ifNotExists, false);
    }
}

Example 37 with HiveParserASTNode

use of org.apache.flink.table.planner.delegation.hive.copy.HiveParserASTNode in project flink by apache.

the class HiveParserDDLSemanticAnalyzer method getPartSpec.

public static HashMap<String, String> getPartSpec(HiveParserASTNode partspec) {
    if (partspec == null) {
        return null;
    }
    HashMap<String, String> partSpec = new LinkedHashMap<>();
    for (int i = 0; i < partspec.getChildCount(); ++i) {
        HiveParserASTNode partVal = (HiveParserASTNode) partspec.getChild(i);
        String key = partVal.getChild(0).getText();
        String val = null;
        if (partVal.getChildCount() == 3) {
            val = HiveParserBaseSemanticAnalyzer.stripQuotes(partVal.getChild(2).getText());
        } else if (partVal.getChildCount() == 2) {
            val = HiveParserBaseSemanticAnalyzer.stripQuotes(partVal.getChild(1).getText());
        }
        partSpec.put(key.toLowerCase(), val);
    }
    return partSpec;
}

Example 38 with HiveParserASTNode

use of org.apache.flink.table.planner.delegation.hive.copy.HiveParserASTNode in project flink by apache.

the class HiveParserErrorMsg method renderOrigin.

private static void renderOrigin(StringBuilder sb, HiveParserASTNodeOrigin origin) {
    while (origin != null) {
        sb.append(" in definition of ");
        sb.append(origin.getObjectType());
        sb.append(" ");
        sb.append(origin.getObjectName());
        sb.append(" [");
        sb.append(LINE_SEP);
        sb.append(origin.getObjectDefinition());
        sb.append(LINE_SEP);
        sb.append("] used as ");
        sb.append(origin.getUsageAlias());
        sb.append(" at ");
        HiveParserASTNode usageNode = origin.getUsageNode();
        renderPosition(sb, usageNode);
        origin = usageNode.getOrigin();
    }
}