org.apache.metamodel.jdbc.dialects

Class SQLServerQueryRewriter

java.lang.Object

org.apache.metamodel.jdbc.dialects.AbstractQueryRewriter

org.apache.metamodel.jdbc.dialects.DefaultQueryRewriter

org.apache.metamodel.jdbc.dialects.OffsetFetchQueryRewriter

org.apache.metamodel.jdbc.dialects.SQLServerQueryRewriter

All Implemented Interfaces:

IQueryRewriter

public class SQLServerQueryRewriter
extends OffsetFetchQueryRewriter

Field Summary

Fields

Modifier and Type	Field and Description
static int	FIRST_FETCH_SUPPORTING_VERSION

Constructor Summary

Constructors

Constructor and Description
SQLServerQueryRewriter(JdbcDataContext dataContext)

Method Summary

Modifier and Type	Method and Description
boolean	isMaxRowsSupported() Gets whether this query rewriter is able to write the "Max rows" query property to the query string.
boolean	isSchemaIncludedInColumnPaths() SQL server expects the fully qualified column name, including schema, in select items.
String	rewriteColumnType(ColumnType columnType, Integer columnSize) 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.OffsetFetchQueryRewriter

isFirstRowSupported, rewriteQuery

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

beforeRewrite, escapeQuotes, isAggregateFunctionSupported, isPrimaryKeySupported, isScalarFunctionSupported, needsQuoting, rewriteFilterItemWithOperandLiteral, rewriteTimestamp

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

getColumnType, getDataContext, getResultSetValue, isSupportedVersion, isTransactional, rewriteColumnTypeInternal, rewriteFromClause, rewriteFromItem, rewriteFromItem, rewriteGroupByClause, rewriteGroupByItem, rewriteHavingClause, rewriteOrderByClause, rewriteOrderByItem, rewriteSelectItem, rewriteWhereClause, setStatementParameter, toTime, toTimestamp

Methods inherited from class java.lang.Object

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

Field Detail

FIRST_FETCH_SUPPORTING_VERSION

public static final int FIRST_FETCH_SUPPORTING_VERSION

See Also:

Constant Field Values

Constructor Detail

SQLServerQueryRewriter

public SQLServerQueryRewriter(JdbcDataContext dataContext)

Method Detail

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 OffsetFetchQueryRewriter

Returns:

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

isSchemaIncludedInColumnPaths

public boolean isSchemaIncludedInColumnPaths()

SQL server expects the fully qualified column name, including schema, in select items.

Overrides:

isSchemaIncludedInColumnPaths in class AbstractQueryRewriter

rewriteSelectClause

protected String rewriteSelectClause(Query query,
                                     SelectClause selectClause)

Overrides:

rewriteSelectClause in class AbstractQueryRewriter

rewriteColumnType

public String rewriteColumnType(ColumnType columnType,
                                Integer columnSize)

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 DefaultQueryRewriter

Parameters:

columnType - the (non-null) ColumnType to rewrite

columnSize - the (possibly null) column size that may or may not have been specified

Returns:

rewriteFilterItem

public String rewriteFilterItem(FilterItem item)

Specified by:

rewriteFilterItem in interface IQueryRewriter

Overrides:

rewriteFilterItem in class DefaultQueryRewriter