org.apache.metamodel.jdbc.dialects
Class HsqldbQueryRewriter

java.lang.Object
  org.apache.metamodel.jdbc.dialects.AbstractQueryRewriter
      org.apache.metamodel.jdbc.dialects.DefaultQueryRewriter
          org.apache.metamodel.jdbc.dialects.HsqldbQueryRewriter

All Implemented Interfaces:

IQueryRewriter

public class HsqldbQueryRewriter
extends DefaultQueryRewriter

Query rewriter for HSQLDB

Field Summary

Fields inherited from class org.apache.metamodel.jdbc.dialects.AbstractQueryRewriter

logger

Constructor Summary

HsqldbQueryRewriter(JdbcDataContext dataContext)

Method Summary

boolean	isFirstRowSupported() Gets whether this query rewriter is able to write the "First row" query property to the query string.
boolean	isMaxRowsSupported() Gets whether this query rewriter is able to write the "Max rows" query property to the query string.
String	rewriteColumnType(ColumnType columnType) Rewrites the name of a column type, as it is written in CREATE TABLE statements.
String	rewriteFilterItem(FilterItem item)
protected String	rewriteSelectClause(Query query, SelectClause selectClause)

Methods inherited from class org.apache.metamodel.jdbc.dialects.DefaultQueryRewriter

beforeRewrite, escapeQuotes

Methods inherited from class org.apache.metamodel.jdbc.dialects.AbstractQueryRewriter

getColumnType, getDataContext, isSchemaIncludedInColumnPaths, rewriteFromClause, rewriteFromItem, rewriteFromItem, rewriteGroupByClause, rewriteGroupByItem, rewriteHavingClause, rewriteOrderByClause, rewriteOrderByItem, rewriteQuery, rewriteSelectItem, rewriteWhereClause

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

HsqldbQueryRewriter

public HsqldbQueryRewriter(JdbcDataContext dataContext)

Method Detail

rewriteColumnType

public String rewriteColumnType(ColumnType columnType)

Description copied from interface: IQueryRewriter

Rewrites the name of a column type, as it is written in CREATE TABLE statements. Some databases dont support all column types, or have different names for them. The implementation of this method will do that conversion.

Specified by:

rewriteColumnType in interface IQueryRewriter

Overrides:

rewriteColumnType in class AbstractQueryRewriter

Returns:

isFirstRowSupported

public boolean isFirstRowSupported()

Description copied from interface: IQueryRewriter

Gets whether this query rewriter is able to write the "First row" query property to the query string.

Specified by:

isFirstRowSupported in interface IQueryRewriter

Overrides:

isFirstRowSupported in class DefaultQueryRewriter

Returns:

whether this query rewriter is able to write the "First row" query property to the query string.

isMaxRowsSupported

public boolean isMaxRowsSupported()

Description copied from interface: IQueryRewriter

Gets whether this query rewriter is able to write the "Max rows" query property to the query string.

Specified by:

isMaxRowsSupported in interface IQueryRewriter

Overrides:

isMaxRowsSupported in class DefaultQueryRewriter

Returns:

whether this query rewriter is able to write the "Max rows" query property to the query string.

rewriteSelectClause

protected String rewriteSelectClause(Query query,
                                     SelectClause selectClause)

Overrides:

rewriteSelectClause in class AbstractQueryRewriter

rewriteFilterItem

public String rewriteFilterItem(FilterItem item)

Specified by:

rewriteFilterItem in interface IQueryRewriter

Overrides:

rewriteFilterItem in class DefaultQueryRewriter