org.apache.empire.db.expr.column

Interface DBPreparable

All Known Implementing Classes:

DBAbstractFuncExpr, DBAliasExpr, DBCoalesceExpr, DBColumnJoinExpr, DBCompareAndOrExpr, DBCompareColExpr, DBCompareExpr, DBCompareJoinExpr, DBCompareNotExpr, DBCompareParenthesisExpr, DBConcatFuncExpr, DBConvertExpr, DBCrossJoinExpr, DBDecodeExpr, DBExistsExpr, DBFuncExpr, DBJoinExpr, DBParenthesisExpr, DBScalarExpr, DBValueExpr, PostgresAtAt, PostgresFuncExpr

public interface DBPreparable

DBPreparable This interface indicates that a DBExpr Object wants to perform preparation tasks when added to a DBCommand

Author:

rainer

Method Summary

Modifier and Type	Method and Description
void	prepareParams(DBCommand cmd, DBExpr parent) Prepares an expression for a query This function is called by DBCommand in order to add values as query parameters instead of being literally included in the sql statement Please Note: This function is internally called.

Method Detail

prepareParams

void prepareParams(DBCommand cmd,
                   DBExpr parent)

Prepares an expression for a query This function is called by DBCommand in order to add values as query parameters instead of being literally included in the sql statement Please Note: This function is internally called. Do not call yourself!

Parameters:

cmd - the command to which to add the parameters

parent - the parent expression holding the value