Examples with OtherNodeParser com.dtstack.taier.develop.sql.hive.node.OtherNodeParser used on opensource projects

Example 1 with OtherNodeParser

use of com.dtstack.taier.develop.sql.hive.node.OtherNodeParser in project Taier by DTStack.

the class AstNodeParser method getParseResult.

/**
 * 进行语法树转换 和 血缘解析的具体类
 *
 * @param originSql
 * @param currentDb
 * @param tableColumnsMap
 * @param parseResult
 * @param root
 * @return
 */
private ParseResult getParseResult(String originSql, String currentDb, Map<String, List<Column>> tableColumnsMap, ParseResult parseResult, ASTNode root) {
    NodeParser nodeParser = ASTNodeLineageParser.ParserProxy.getParser((ASTNode) root.getChild(0), originSql);
    if (Objects.isNull(nodeParser)) {
        return parseResult;
    }
    if (nodeParser instanceof OtherNodeParser) {
        ((OtherNodeParser) nodeParser).getSqlType((ASTNode) root.getChild(0), parseResult);
        return parseResult;
    }
    com.dtstack.taier.develop.sql.node.Node node = nodeParser.parseSql((ASTNode) root.getChild(0), currentDb, tableColumnsMap, new HashMap<>());
    if (Objects.isNull(node)) {
        return parseResult;
    }
    LineageParser lineageParser = LineageParser.HiveParserProxy.getParser(node, currentDb, tableColumnsMap);
    if (lineageParser != null) {
        List<ColumnLineage> columnLineages = getColumnLineages(node, lineageParser);
        parseResult.setColumnLineages(columnLineages);
    }
    getMainTable(node, parseResult, root);
    try {
        Set<Table> tables = new HashSet<>();
        nodeParser.parseSqlTable(node, tables);
        parseResult.setTables(new ArrayList<>(tables));
    } catch (Exception e) {
        e.printStackTrace();
    }
    return parseResult;
}