ImpalaQueryRewriter (MetaModel module for relational JDBC databases 5.3.0 API)

java.lang.Object
- org.apache.metamodel.jdbc.dialects.AbstractQueryRewriter
- - org.apache.metamodel.jdbc.dialects.DefaultQueryRewriter
  - - org.apache.metamodel.jdbc.dialects.LimitOffsetQueryRewriter
    - - org.apache.metamodel.jdbc.dialects.Hive2QueryRewriter
      - org.apache.metamodel.jdbc.dialects.ImpalaQueryRewriter

All Implemented Interfaces:

IQueryRewriter
```
public class ImpalaQueryRewriter
extends Hive2QueryRewriter
```
Query rewriter for Apache Impala Because Impala uses the same metadata store as Hive to record information about table structure and properties， so Impala provides a high degree of compatibility with the Hive Query Language (HiveQL) ;

See Also:

impala.apache.org

- Constructor Summary
  
  Constructors
  Constructor Description
  
  ImpalaQueryRewriter(JdbcDataContext dataContext)
- Method Summary
  - Methods inherited from class org.apache.metamodel.jdbc.dialects.Hive2QueryRewriter
    isPrimaryKeySupported, isTransactional, rewriteColumnType
  - Methods inherited from class org.apache.metamodel.jdbc.dialects.LimitOffsetQueryRewriter
    isFirstRowSupported, isMaxRowsSupported, rewriteQuery
  - Methods inherited from class org.apache.metamodel.jdbc.dialects.DefaultQueryRewriter
    beforeRewrite, escapeQuotes, isAggregateFunctionSupported, isScalarFunctionSupported, needsQuoting, rewriteFilterItem, rewriteFilterItemWithOperandLiteral, rewriteTimestamp
  - Methods inherited from class org.apache.metamodel.jdbc.dialects.AbstractQueryRewriter
    getColumnType, getDataContext, getResultSetValue, isSchemaIncludedInColumnPaths, isSupportedVersion, rewriteColumnTypeInternal, rewriteFromClause, rewriteFromItem, rewriteFromItem, rewriteGroupByClause, rewriteGroupByItem, rewriteHavingClause, rewriteOrderByClause, rewriteOrderByItem, rewriteSelectClause, rewriteSelectItem, rewriteWhereClause, setStatementParameter, toTime, toTimestamp
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ImpalaQueryRewriter

public ImpalaQueryRewriter(JdbcDataContext dataContext)