org.h2.command

Class Parser

java.lang.Object

org.h2.command.Parser

public class Parser
extends java.lang.Object

The parser is used to convert a SQL statement string to an command object.

Constructor Summary

Constructors

Constructor and Description
Parser() Creates a new instance of parser for special use cases.
Parser(Session session) Creates a new instance of parser.

Method Summary

Methods

Modifier and Type	Method and Description
int	getLastParseIndex() Returns the last parse index.
java.lang.Object	parseColumnList(java.lang.String sql, int offset) Parses a list of column names or numbers in parentheses.
Expression	parseExpression(java.lang.String sql) Parse a SQL code snippet that represents an expression.
Table	parseTableName(java.lang.String sql) Parse a SQL code snippet that represents a table name.
Prepared	prepare(java.lang.String sql) Parse the statement and prepare it for execution.
Command	prepareCommand(java.lang.String sql) Parse a statement or a list of statements, and prepare it for execution.
static java.lang.String	quoteIdentifier(java.lang.String s, boolean alwaysQuote) Add double quotes around an identifier if required.
static java.lang.StringBuilder	quoteIdentifier(java.lang.StringBuilder builder, java.lang.String s, boolean alwaysQuote) Add double quotes around an identifier if required and appends it to the specified string builder.
void	setLiteralsChecked(boolean literalsChecked)
void	setRightsChecked(boolean rightsChecked)
void	setSuppliedParameterList(java.util.ArrayList<Parameter> suppliedParameterList)
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

Parser

public Parser(Session session)

Creates a new instance of parser.

Parameters:

session - the session

Parser

public Parser()

Creates a new instance of parser for special use cases.

Method Detail

prepare

public Prepared prepare(java.lang.String sql)

Parse the statement and prepare it for execution.

Parameters:

sql - the SQL statement to parse

Returns:

the prepared object

prepareCommand

public Command prepareCommand(java.lang.String sql)

Parse a statement or a list of statements, and prepare it for execution.

Parameters:

sql - the SQL statement to parse

Returns:

the command object

quoteIdentifier

public static java.lang.String quoteIdentifier(java.lang.String s,
                               boolean alwaysQuote)

Add double quotes around an identifier if required.

Parameters:

s - the identifier

alwaysQuote - quote all identifiers

Returns:

the quoted identifier

quoteIdentifier

public static java.lang.StringBuilder quoteIdentifier(java.lang.StringBuilder builder,
                                      java.lang.String s,
                                      boolean alwaysQuote)

Add double quotes around an identifier if required and appends it to the specified string builder.

Parameters:

builder - string builder to append to

s - the identifier

alwaysQuote - quote all identifiers

Returns:

the specified builder

setLiteralsChecked

public void setLiteralsChecked(boolean literalsChecked)

setRightsChecked

public void setRightsChecked(boolean rightsChecked)

setSuppliedParameterList

public void setSuppliedParameterList(java.util.ArrayList<Parameter> suppliedParameterList)

parseExpression

public Expression parseExpression(java.lang.String sql)

Parse a SQL code snippet that represents an expression.

Parameters:

sql - the code snippet

Returns:

the expression object

parseTableName

public Table parseTableName(java.lang.String sql)

Parse a SQL code snippet that represents a table name.

Parameters:

sql - the code snippet

Returns:

the table object

parseColumnList

public java.lang.Object parseColumnList(java.lang.String sql,
                               int offset)

Parses a list of column names or numbers in parentheses.

Parameters:

sql - the source SQL

offset - the initial offset

Returns:

the array of column names (String[]) or numbers (int[])

Throws:

DbException - on syntax error

getLastParseIndex

public int getLastParseIndex()

Returns the last parse index.

Returns:

the last parse index

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object