net.sf.saffron.sql
Class SqlSelectOperator

java.lang.Object
  |
  +--net.sf.saffron.sql.SqlOperator
        |
        +--net.sf.saffron.sql.SqlSelectOperator

public class SqlSelectOperator

extends SqlOperator

An operator describing a query. (Not a query itself.)

Operands are:

• 0: distinct (SqlLiteral)
• 1: selectClause (SqlNodeList)
• 2: fromClause (SqlCall to "join" operator)
• 3: whereClause (SqlNode)
• 4: havingClause (SqlNode)
• 5: groupClause (SqlNode)
• 6: orderClause (SqlNode)

Nested Class Summary

Nested classes inherited from class net.sf.saffron.sql.SqlOperator

SqlOperator.Syntax, SqlOperator.TypeInference

Field Summary

Fields inherited from class net.sf.saffron.sql.SqlOperator

kind, leftPrec, name, rightPrec

Constructor Summary

(package private)

SqlSelectOperator()

Method Summary

SqlSelect	createCall(boolean isDistinct, SqlNodeList selectList, SqlNode fromClause, SqlNode whereClause, SqlNode groupBy, SqlNode having, SqlNode orderBy)
SqlCall	createCall(SqlNode[] operands) Creates a call to this operand with an array of operands.
int	getSyntax() Returns the syntactic type of this operator, a value from SqlOperator.Syntax.
(package private) void	unparse(SqlWriter writer, SqlNode[] operands, int leftPrec, int rightPrec) Writes a SQL representation of a call to this operator to a writer, including parentheses if the operators on either side are of greater precedence.

Methods inherited from class net.sf.saffron.sql.SqlOperator

createCall, createCall, createCall, createCall, getType, getType, isA, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

SqlSelectOperator

SqlSelectOperator()

Method Detail

getSyntax

public int getSyntax()

Description copied from class: SqlOperator

Returns the syntactic type of this operator, a value from SqlOperator.Syntax.

Specified by:

getSyntax in class SqlOperator

createCall

public SqlCall createCall(SqlNode[] operands)

Description copied from class: SqlOperator

Creates a call to this operand with an array of operands.

Overrides:

createCall in class SqlOperator

createCall

public SqlSelect createCall(boolean isDistinct,
                            SqlNodeList selectList,
                            SqlNode fromClause,
                            SqlNode whereClause,
                            SqlNode groupBy,
                            SqlNode having,
                            SqlNode orderBy)

unparse

void unparse(SqlWriter writer,
             SqlNode[] operands,
             int leftPrec,
             int rightPrec)

Description copied from class: SqlOperator

Writes a SQL representation of a call to this operator to a writer, including parentheses if the operators on either side are of greater precedence.

Specified by:

unparse in class SqlOperator