Module org.firebirdsql.jaybird
Package org.firebirdsql.jdbc.escape

Class FBEscapedFunctionHelper

java.lang.Object
org.firebirdsql.jdbc.escape.FBEscapedFunctionHelper
@InternalApi public final class FBEscapedFunctionHelper extends Object
Helper class for escaped functions.
Author:
Roman Rokytskyy, Mark Rotteveel

  • Method Details

    • parseFunction

      public static String parseFunction(String functionCall) throws FBSQLParseException
      Extract function name from the function call.
      Parameters:
      functionCall - escaped function call.
      Returns:
      name of the function.
      Throws:
      FBSQLParseException - if parse error occurs.

    • parseArguments

      public static List<String> parseArguments(String functionCall) throws FBSQLParseException
      Extract function arguments from the function call. This method parses escaped function call string and extracts function parameters from it.
      Parameters:
      functionCall - escaped function call.
      Returns:
      list of parameters of the function.
      Throws:
      FBSQLParseException - if parse error occurs.

    • convertTemplate

      public static @Nullable String convertTemplate(String functionCall) throws FBSQLParseException
      Convert escaped function call using function template.
      Parameters:
      functionCall - escaped function call.
      Returns:
      server-side representation of the function call or null if no template found.
      Throws:
      FBSQLParseException - if escaped function call has incorrect syntax.

    • getSupportedNumericFunctions

      public static Set<String> getSupportedNumericFunctions()
      Returns:
      Set of JDBC numeric functions supported (as defined in appendix C.1 of JDBC 4.3)

    • getSupportedStringFunctions

      public static Set<String> getSupportedStringFunctions()
      Returns:
      Set of JDBC string functions supported (as defined in appendix C.2 of JDBC 4.3)

    • getSupportedTimeDateFunctions

      public static Set<String> getSupportedTimeDateFunctions()
      Returns:
      Set of JDBC time and date functions supported (as defined in appendix C.3 of JDBC 4.3)

    • getSupportedSystemFunctions

      public static Set<String> getSupportedSystemFunctions()
      Returns:
      Set of JDBC system functions supported (as defined in appendix C.4 of JDBC 4.3)