Package org.apache.calcite.sql.advise

Class SqlSimpleParser

java.lang.Object

org.apache.calcite.sql.advise.SqlSimpleParser

public class SqlSimpleParser
extends java.lang.Object

A simple parser that takes an incomplete and turn it into a syntactically correct statement. It is used in the SQL editor user-interface.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	SqlSimpleParser.IdToken
(package private) static class	SqlSimpleParser.Query
static class	SqlSimpleParser.Token
static class	SqlSimpleParser.Tokenizer
(package private) static class	SqlSimpleParser.TokenType

Field Summary

Fields

Modifier and Type	Field	Description
private java.lang.String	hintToken
private SqlParser.Config	parserConfig

Constructor Summary

Constructors

Constructor	Description
SqlSimpleParser(java.lang.String hintToken)	Deprecated.
SqlSimpleParser(java.lang.String hintToken, SqlParser.Config parserConfig)	Creates a SqlSimpleParser

Method Summary

Modifier and Type	Method	Description
private void	consumeQuery(java.util.ListIterator<SqlSimpleParser.Token> iter, java.util.List<SqlSimpleParser.Token> outList)
private void	consumeSelect(java.util.ListIterator<SqlSimpleParser.Token> iter, java.util.List<SqlSimpleParser.Token> outList)
java.lang.String	simplifySql(java.lang.String sql)	Turns a partially completed or syntactically incorrect sql statement into a simplified, valid one that can be validated
java.lang.String	simplifySql(java.lang.String sql, int cursor)	Turns a partially completed or syntactically incorrect sql statement into a simplified, valid one that can be passed into getCompletionHints().

Methods inherited from class java.lang.Object

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

Field Detail

hintToken

private final java.lang.String hintToken

parserConfig

private final SqlParser.Config parserConfig

Constructor Detail

SqlSimpleParser

@Deprecated
public SqlSimpleParser(java.lang.String hintToken)

Deprecated.

Creates a SqlSimpleParser

Parameters:

hintToken - Hint token

SqlSimpleParser

public SqlSimpleParser(java.lang.String hintToken,
                       SqlParser.Config parserConfig)

Creates a SqlSimpleParser

Parameters:

hintToken - Hint token

parserConfig - parser configuration

Method Detail

simplifySql

public java.lang.String simplifySql(java.lang.String sql,
                                    int cursor)

Turns a partially completed or syntactically incorrect sql statement into a simplified, valid one that can be passed into getCompletionHints().

Parameters:

sql - A partial or syntactically incorrect sql statement

cursor - to indicate column position in the query at which completion hints need to be retrieved.

Returns:

a completed, valid (and possibly simplified SQL statement

simplifySql

public java.lang.String simplifySql(java.lang.String sql)

Turns a partially completed or syntactically incorrect sql statement into a simplified, valid one that can be validated

Parameters:

sql - A partial or syntactically incorrect sql statement

Returns:

a completed, valid (and possibly simplified) SQL statement

consumeQuery

private void consumeQuery(java.util.ListIterator<SqlSimpleParser.Token> iter,
                          java.util.List<SqlSimpleParser.Token> outList)

consumeSelect

private void consumeSelect(java.util.ListIterator<SqlSimpleParser.Token> iter,
                           java.util.List<SqlSimpleParser.Token> outList)