org.apache.metamodel.jdbc.dialects

Class MysqlQueryRewriter

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.MysqlQueryRewriter

All Implemented Interfaces:

IQueryRewriter

public class MysqlQueryRewriter
extends LimitOffsetQueryRewriter
implements IQueryRewriter

Query rewriter for MySQL

Field Summary

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

logger

Constructor Summary

Constructors

Constructor and Description
MysqlQueryRewriter(JdbcDataContext dataContext)

Method Summary

Modifier and Type	Method and Description
String	escapeQuotes(String filterItemOperand) Escapes the quotes within a String literal of a query item.
String	rewriteColumnType(ColumnType columnType, Integer columnSize) Rewrites the name of a column type, as it is written in CREATE TABLE statements.

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

isFirstRowSupported, isMaxRowsSupported, rewriteQuery

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

beforeRewrite, isAggregateFunctionSupported, isScalarFunctionSupported, rewriteFilterItem, rewriteFilterItemWithOperandLiteral, rewriteTimestamp

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

getColumnType, getDataContext, isSchemaIncludedInColumnPaths, isTransactional, rewriteColumnTypeInternal, rewriteFromClause, rewriteFromItem, rewriteFromItem, rewriteGroupByClause, rewriteGroupByItem, rewriteHavingClause, rewriteOrderByClause, rewriteOrderByItem, rewriteSelectClause, rewriteSelectItem, rewriteWhereClause

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.metamodel.jdbc.dialects.IQueryRewriter

getColumnType, isAggregateFunctionSupported, isFirstRowSupported, isMaxRowsSupported, isScalarFunctionSupported, isTransactional, rewriteFilterItem, rewriteFromItem, rewriteQuery

Constructor Detail

MysqlQueryRewriter

public MysqlQueryRewriter(JdbcDataContext dataContext)

Method Detail

escapeQuotes

public String escapeQuotes(String filterItemOperand)

Description copied from interface: IQueryRewriter

Escapes the quotes within a String literal of a query item.

Specified by:

escapeQuotes in interface IQueryRewriter

Overrides:

escapeQuotes in class DefaultQueryRewriter

Returns:

String item with quotes escaped.

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: