com.sun.jdo.spi.persistence.support.sqlstore.sql.generator

Class SelectOneStatement

java.lang.Object

com.sun.jdo.spi.persistence.support.sqlstore.sql.generator.Statement

com.sun.jdo.spi.persistence.support.sqlstore.sql.generator.SelectStatement

com.sun.jdo.spi.persistence.support.sqlstore.sql.generator.SelectOneStatement

All Implemented Interfaces:

Cloneable

public class SelectOneStatement
extends SelectStatement

This statement checks the existance of a certain row in the database, as no columns are selected.

Author:

Mitesh Meswani

Field Summary

Fields inherited from class com.sun.jdo.spi.persistence.support.sqlstore.sql.generator.Statement

columns, inputDesc, messages, OP_BINOP_MASK, OP_FUNC_MASK, OP_INFIX_MASK, OP_IRREGULAR_MASK, OP_ORDERBY_MASK, OP_OTHER_MASK, OP_PARAM_MASK, OP_PAREN_MASK, OP_PCOUNT_MASK, OP_POSTFIX_MASK, OP_PREFIX_MASK, OP_WHERE_MASK, secondaryTableStatements, statementText, tableList, vendorType

Constructor Summary

Constructors

Constructor and Description
SelectOneStatement(DBVendorType vendorType, SelectQueryPlan selectPlan)

Method Summary

Modifier and Type	Method and Description
protected StringBuilder	generateColumnText()

Methods inherited from class com.sun.jdo.spi.persistence.support.sqlstore.sql.generator.SelectStatement

addColumn, appendTableText, bindInputValues, copyColumns, generateStatementText, getFormattedSQLText, getJoinOperator, getQueryPlan, isColumnTypeDefinitionNeeded, isJoined, isUpdateLockRequired, markJoined, processIrregularOperation, processRootConstraint

Methods inherited from class com.sun.jdo.spi.persistence.support.sqlstore.sql.generator.Statement

addColumnRef, addConstraint, addQueryTable, addSecondaryTableStatement, appendQuotedText, bindInputValues, clone, findQueryTable, formatSqlText, generateColumnText, generateInputValueForConstraintValueNode, getAction, getColumnRef, getColumnRefs, getFormattedSQLText, getOriginalPlan, getQueryTables, getSecondaryTableStatements, getText, getVendorType, getWhereText, infixOperator, operationFormat, postfixOperator, prefixOperator, processConstraintParamIndex, processConstraints, processConstraintValue, setAction

Methods inherited from class java.lang.Object

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

Constructor Detail

SelectOneStatement

public SelectOneStatement(DBVendorType vendorType,
                          SelectQueryPlan selectPlan)

Method Detail

generateColumnText

protected StringBuilder generateColumnText()

Overrides:

generateColumnText in class SelectStatement