Package org.h2.command

Class Parser

java.lang.Object

org.h2.command.ParserBase

org.h2.command.Parser

public final class Parser
extends ParserBase

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

Constructor Summary

Constructors

Constructor	Description
Parser(SessionLocal session)	Creates a new instance of parser.

Method Summary

Modifier and Type	Method	Description
static AlterTableAddConstraint	newPrimaryKeyConstraintCommand(SessionLocal session, Schema schema, String tableName, Column column)	Create a new alter table command.
Expression	parseDomainConstraintExpression(String sql)	Parse a SQL code snippet that represents an expression for a domain constraint.
Expression	parseExpression(String sql)	Parse a SQL code snippet that represents an expression.
Table	parseTableName(String sql)	Parse a SQL code snippet that represents a table name.
Prepared	prepare(String sql)	Parse the statement and prepare it for execution.
Command	prepareCommand(String sql)	Parse a statement or a list of statements, and prepare it for execution.
Query	prepareQueryExpression(String sql)	Parse a query and prepare its expressions.
void	setQueryScope(QueryScope queryScope)	Sets the query scope.
void	setRightsChecked(boolean rightsChecked)

Methods inherited from class org.h2.command.ParserBase

formatNonKeywords, getLastParseIndex, parseColumnList, parseNonKeywords, quoteIdentifier, setLiteralsChecked, setSuppliedParameters, toString

Methods inherited from class java.lang.Object

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

Constructor Details

Parser

public Parser(SessionLocal session)

Creates a new instance of parser.

Parameters:

session - the session

Method Details

prepare

public Prepared prepare(String sql)

Parse the statement and prepare it for execution.

Parameters:

sql - the SQL statement to parse

Returns:

the prepared object

prepareQueryExpression

public Query prepareQueryExpression(String sql)

Parse a query and prepare its expressions. Rights and literals must be already checked.

Parameters:

sql - the SQL statement to parse

Returns:

the prepared object

prepareCommand

public Command prepareCommand(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

newPrimaryKeyConstraintCommand

public static AlterTableAddConstraint newPrimaryKeyConstraintCommand(SessionLocal session,
 Schema schema,
 String tableName,
 Column column)

Create a new alter table command.

Parameters:

session - the session

schema - the schema

tableName - the table

column - the column

Returns:

the command

setRightsChecked

public void setRightsChecked(boolean rightsChecked)

setQueryScope

public void setQueryScope(QueryScope queryScope)

Sets the query scope.

Parameters:

queryScope - the query scope

parseExpression

public Expression parseExpression(String sql)

Parse a SQL code snippet that represents an expression.

Parameters:

sql - the code snippet

Returns:

the expression object

parseDomainConstraintExpression

public Expression parseDomainConstraintExpression(String sql)

Parse a SQL code snippet that represents an expression for a domain constraint.

Parameters:

sql - the code snippet

Returns:

the expression object

parseTableName

public Table parseTableName(String sql)

Parse a SQL code snippet that represents a table name.

Parameters:

sql - the code snippet

Returns:

the table object