Package org.apache.pinot.sql.parsers

Class CalciteSqlParser

  • public class CalciteSqlParser
extends Object

    • Method Detail

      • 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.

      • canonicalize

        public static String canonicalize​(String functionName)

      • isSameFunction

        public static boolean isSameFunction​(String function1,
                                     String function2)

      • isLiteralOnlyExpression

        public static boolean isLiteralOnlyExpression​(Expression e)