Package org.apache.pinot.sql.parsers

Class CalciteSqlParser

java.lang.Object

org.apache.pinot.sql.parsers.CalciteSqlParser

public class CalciteSqlParser
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
static List<QueryRewriter>	QUERY_REWRITERS

Method Summary

Modifier and Type	Method	Description
static PinotQuery	compileSqlNodeToPinotQuery(org.apache.calcite.sql.SqlNode sqlNode)
static Expression	compileToExpression(String expression)	Compiles a String expression into Expression.
static PinotQuery	compileToPinotQuery(String sql)
static PinotQuery	compileToPinotQuery(SqlNodeAndOptions sqlNodeAndOptions)
static SqlNodeAndOptions	compileToSqlNodeAndOptions(String sql)
static Set<String>	extractIdentifiers(List<Expression> expressions, boolean excludeAs)	Extract all the identifiers from given expressions.
static boolean	isAggregateExpression(Expression expression)
static boolean	isAsFunction(Expression expression)
static boolean	isLiteralOnlyExpression(Expression e)

Methods inherited from class java.lang.Object

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

Field Detail

QUERY_REWRITERS

public static final List<QueryRewriter> QUERY_REWRITERS

Method Detail

compileToSqlNodeAndOptions

public static SqlNodeAndOptions compileToSqlNodeAndOptions(String sql)
                                                    throws SqlCompilationException

Throws:

SqlCompilationException

compileToPinotQuery

public static PinotQuery compileToPinotQuery(String sql)
                                      throws SqlCompilationException

Throws:

SqlCompilationException

compileToPinotQuery

public static PinotQuery compileToPinotQuery(SqlNodeAndOptions sqlNodeAndOptions)

isAggregateExpression

public static boolean isAggregateExpression(Expression expression)

isAsFunction

public static boolean isAsFunction(Expression expression)

extractIdentifiers

public static Set<String> extractIdentifiers(List<Expression> expressions,
                                             boolean excludeAs)

Extract all the identifiers from given expressions.

Parameters:

expressions -

excludeAs - if true, ignores the right side identifier for AS function.

Returns:

all the identifier names.

compileToExpression

public static Expression compileToExpression(String expression)

Compiles a String expression into Expression.

Parameters:

expression - String expression.

Returns:

Expression equivalent of the string.

Throws:

SqlCompilationException - if String is not a valid expression.

compileSqlNodeToPinotQuery

public static PinotQuery compileSqlNodeToPinotQuery(org.apache.calcite.sql.SqlNode sqlNode)

isLiteralOnlyExpression

public static boolean isLiteralOnlyExpression(Expression e)