Package org.hibernate.dialect.function

Examples of org.hibernate.dialect.function.StandardSQLFunction

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    registerColumnType( Types.VARBINARY, "bytea" );
    registerColumnType( Types.CLOB, "text" );
    registerColumnType( Types.BLOB, "oid" );
    registerColumnType( Types.NUMERIC, "numeric($p, $s)" );

    registerFunction( "abs", new StandardSQLFunction("abs") );
    registerFunction( "sign", new StandardSQLFunction("sign", Hibernate.INTEGER) );

    registerFunction( "acos", new StandardSQLFunction("acos", Hibernate.DOUBLE) );
    registerFunction( "asin", new StandardSQLFunction("asin", Hibernate.DOUBLE) );
    registerFunction( "atan", new StandardSQLFunction("atan", Hibernate.DOUBLE) );
    registerFunction( "cos", new StandardSQLFunction("cos", Hibernate.DOUBLE) );
    registerFunction( "cot", new StandardSQLFunction("cot", Hibernate.DOUBLE) );
    registerFunction( "exp", new StandardSQLFunction("exp", Hibernate.DOUBLE) );
    registerFunction( "ln", new StandardSQLFunction("ln", Hibernate.DOUBLE) );
    registerFunction( "log", new StandardSQLFunction("log", Hibernate.DOUBLE) );
    registerFunction( "sin", new StandardSQLFunction("sin", Hibernate.DOUBLE) );
    registerFunction( "sqrt", new StandardSQLFunction("sqrt", Hibernate.DOUBLE) );
    registerFunction( "cbrt", new StandardSQLFunction("cbrt", Hibernate.DOUBLE) );
    registerFunction( "tan", new StandardSQLFunction("tan", Hibernate.DOUBLE) );
    registerFunction( "radians", new StandardSQLFunction("radians", Hibernate.DOUBLE) );
    registerFunction( "degrees", new StandardSQLFunction("degrees", Hibernate.DOUBLE) );

    registerFunction( "stddev", new StandardSQLFunction("stddev", Hibernate.DOUBLE) );
    registerFunction( "variance", new StandardSQLFunction("variance", Hibernate.DOUBLE) );

    registerFunction( "random", new NoArgSQLFunction("random", Hibernate.DOUBLE) );

    registerFunction( "round", new StandardSQLFunction("round") );
    registerFunction( "trunc", new StandardSQLFunction("trunc") );
    registerFunction( "ceil", new StandardSQLFunction("ceil") );
    registerFunction( "floor", new StandardSQLFunction("floor") );

    registerFunction( "chr", new StandardSQLFunction("chr", Hibernate.CHARACTER) );
    registerFunction( "lower", new StandardSQLFunction("lower") );
    registerFunction( "upper", new StandardSQLFunction("upper") );
    registerFunction( "substr", new StandardSQLFunction("substr", Hibernate.STRING) );
    registerFunction( "initcap", new StandardSQLFunction("initcap") );
    registerFunction( "to_ascii", new StandardSQLFunction("to_ascii") );
    registerFunction( "quote_ident", new StandardSQLFunction("quote_ident", Hibernate.STRING) );
    registerFunction( "quote_literal", new StandardSQLFunction("quote_literal", Hibernate.STRING) );
    registerFunction( "md5", new StandardSQLFunction("md5") );
    registerFunction( "ascii", new StandardSQLFunction("ascii", Hibernate.INTEGER) );
    registerFunction( "length", new StandardSQLFunction("length", Hibernate.LONG) );
    registerFunction( "char_length", new StandardSQLFunction("char_length", Hibernate.LONG) );
    registerFunction( "bit_length", new StandardSQLFunction("bit_length", Hibernate.LONG) );
    registerFunction( "octet_length", new StandardSQLFunction("octet_length", Hibernate.LONG) );

    registerFunction( "age", new StandardSQLFunction("age") );
    registerFunction( "current_date", new NoArgSQLFunction("current_date", Hibernate.DATE, false) );
    registerFunction( "current_time", new NoArgSQLFunction("current_time", Hibernate.TIME, false) );
    registerFunction( "current_timestamp", new NoArgSQLFunction("current_timestamp", Hibernate.TIMESTAMP, false) );
    registerFunction( "date_trunc", new StandardSQLFunction( "date_trunc", Hibernate.TIMESTAMP ) );
    registerFunction( "localtime", new NoArgSQLFunction("localtime", Hibernate.TIME, false) );
    registerFunction( "localtimestamp", new NoArgSQLFunction("localtimestamp", Hibernate.TIMESTAMP, false) );
    registerFunction( "now", new NoArgSQLFunction("now", Hibernate.TIMESTAMP) );
    registerFunction( "timeofday", new NoArgSQLFunction("timeofday", Hibernate.STRING) );

    registerFunction( "current_user", new NoArgSQLFunction("current_user", Hibernate.STRING, false) );
    registerFunction( "session_user", new NoArgSQLFunction("session_user", Hibernate.STRING, false) );
    registerFunction( "user", new NoArgSQLFunction("user", Hibernate.STRING, false) );
    registerFunction( "current_database", new NoArgSQLFunction("current_database", Hibernate.STRING, true) );
    registerFunction( "current_schema", new NoArgSQLFunction("current_schema", Hibernate.STRING, true) );
   
    registerFunction( "to_char", new StandardSQLFunction("to_char", Hibernate.STRING) );
    registerFunction( "to_date", new StandardSQLFunction("to_date", Hibernate.DATE) );
    registerFunction( "to_timestamp", new StandardSQLFunction("to_timestamp", Hibernate.TIMESTAMP) );
    registerFunction( "to_number", new StandardSQLFunction("to_number", Hibernate.BIG_DECIMAL) );

    registerFunction( "concat", new VarArgsSQLFunction( Hibernate.STRING, "(","||",")" ) );

    registerFunction( "locate", new PositionSubstringFunction() );
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    registerColumnType( Types.CLOB, "longtext" );
//    registerColumnType( Types.CLOB, 16777215, "mediumtext" );
//    registerColumnType( Types.CLOB, 65535, "text" );
    registerVarcharTypes();

    registerFunction( "ascii", new StandardSQLFunction( "ascii", StandardBasicTypes.INTEGER ) );
    registerFunction( "bin", new StandardSQLFunction( "bin", StandardBasicTypes.STRING ) );
    registerFunction( "char_length", new StandardSQLFunction( "char_length", StandardBasicTypes.LONG ) );
    registerFunction( "character_length", new StandardSQLFunction( "character_length", StandardBasicTypes.LONG ) );
    registerFunction( "lcase", new StandardSQLFunction( "lcase" ) );
    registerFunction( "lower", new StandardSQLFunction( "lower" ) );
    registerFunction( "ltrim", new StandardSQLFunction( "ltrim" ) );
    registerFunction( "ord", new StandardSQLFunction( "ord", StandardBasicTypes.INTEGER ) );
    registerFunction( "quote", new StandardSQLFunction( "quote" ) );
    registerFunction( "reverse", new StandardSQLFunction( "reverse" ) );
    registerFunction( "rtrim", new StandardSQLFunction( "rtrim" ) );
    registerFunction( "soundex", new StandardSQLFunction( "soundex" ) );
    registerFunction( "space", new StandardSQLFunction( "space", StandardBasicTypes.STRING ) );
    registerFunction( "ucase", new StandardSQLFunction( "ucase" ) );
    registerFunction( "upper", new StandardSQLFunction( "upper" ) );
    registerFunction( "unhex", new StandardSQLFunction( "unhex", StandardBasicTypes.STRING ) );

    registerFunction( "abs", new StandardSQLFunction( "abs" ) );
    registerFunction( "sign", new StandardSQLFunction( "sign", StandardBasicTypes.INTEGER ) );

    registerFunction( "acos", new StandardSQLFunction( "acos", StandardBasicTypes.DOUBLE ) );
    registerFunction( "asin", new StandardSQLFunction( "asin", StandardBasicTypes.DOUBLE ) );
    registerFunction( "atan", new StandardSQLFunction( "atan", StandardBasicTypes.DOUBLE ) );
    registerFunction( "cos", new StandardSQLFunction( "cos", StandardBasicTypes.DOUBLE ) );
    registerFunction( "cot", new StandardSQLFunction( "cot", StandardBasicTypes.DOUBLE ) );
    registerFunction( "crc32", new StandardSQLFunction( "crc32", StandardBasicTypes.LONG ) );
    registerFunction( "exp", new StandardSQLFunction( "exp", StandardBasicTypes.DOUBLE ) );
    registerFunction( "ln", new StandardSQLFunction( "ln", StandardBasicTypes.DOUBLE ) );
    registerFunction( "log", new StandardSQLFunction( "log", StandardBasicTypes.DOUBLE ) );
    registerFunction( "log2", new StandardSQLFunction( "log2", StandardBasicTypes.DOUBLE ) );
    registerFunction( "log10", new StandardSQLFunction( "log10", StandardBasicTypes.DOUBLE ) );
    registerFunction( "pi", new NoArgSQLFunction( "pi", StandardBasicTypes.DOUBLE ) );
    registerFunction( "rand", new NoArgSQLFunction( "rand", StandardBasicTypes.DOUBLE ) );
    registerFunction( "sin", new StandardSQLFunction( "sin", StandardBasicTypes.DOUBLE ) );
    registerFunction( "sqrt", new StandardSQLFunction( "sqrt", StandardBasicTypes.DOUBLE ) );
    registerFunction( "stddev", new StandardSQLFunction("std", StandardBasicTypes.DOUBLE) );
    registerFunction( "tan", new StandardSQLFunction( "tan", StandardBasicTypes.DOUBLE ) );

    registerFunction( "radians", new StandardSQLFunction( "radians", StandardBasicTypes.DOUBLE ) );
    registerFunction( "degrees", new StandardSQLFunction( "degrees", StandardBasicTypes.DOUBLE ) );

    registerFunction( "ceiling", new StandardSQLFunction( "ceiling", StandardBasicTypes.INTEGER ) );
    registerFunction( "ceil", new StandardSQLFunction( "ceil", StandardBasicTypes.INTEGER ) );
    registerFunction( "floor", new StandardSQLFunction( "floor", StandardBasicTypes.INTEGER ) );
    registerFunction( "round", new StandardSQLFunction( "round" ) );

    registerFunction( "datediff", new StandardSQLFunction( "datediff", StandardBasicTypes.INTEGER ) );
    registerFunction( "timediff", new StandardSQLFunction( "timediff", StandardBasicTypes.TIME ) );
    registerFunction( "date_format", new StandardSQLFunction( "date_format", StandardBasicTypes.STRING ) );

    registerFunction( "curdate", new NoArgSQLFunction( "curdate", StandardBasicTypes.DATE ) );
    registerFunction( "curtime", new NoArgSQLFunction( "curtime", StandardBasicTypes.TIME ) );
    registerFunction( "current_date", new NoArgSQLFunction( "current_date", StandardBasicTypes.DATE, false ) );
    registerFunction( "current_time", new NoArgSQLFunction( "current_time", StandardBasicTypes.TIME, false ) );
    registerFunction( "current_timestamp", new NoArgSQLFunction( "current_timestamp", StandardBasicTypes.TIMESTAMP, false ) );
    registerFunction( "date", new StandardSQLFunction( "date", StandardBasicTypes.DATE ) );
    registerFunction( "day", new StandardSQLFunction( "day", StandardBasicTypes.INTEGER ) );
    registerFunction( "dayofmonth", new StandardSQLFunction( "dayofmonth", StandardBasicTypes.INTEGER ) );
    registerFunction( "dayname", new StandardSQLFunction( "dayname", StandardBasicTypes.STRING ) );
    registerFunction( "dayofweek", new StandardSQLFunction( "dayofweek", StandardBasicTypes.INTEGER ) );
    registerFunction( "dayofyear", new StandardSQLFunction( "dayofyear", StandardBasicTypes.INTEGER ) );
    registerFunction( "from_days", new StandardSQLFunction( "from_days", StandardBasicTypes.DATE ) );
    registerFunction( "from_unixtime", new StandardSQLFunction( "from_unixtime", StandardBasicTypes.TIMESTAMP ) );
    registerFunction( "hour", new StandardSQLFunction( "hour", StandardBasicTypes.INTEGER ) );
    registerFunction( "last_day", new StandardSQLFunction( "last_day", StandardBasicTypes.DATE ) );
    registerFunction( "localtime", new NoArgSQLFunction( "localtime", StandardBasicTypes.TIMESTAMP ) );
    registerFunction( "localtimestamp", new NoArgSQLFunction( "localtimestamp", StandardBasicTypes.TIMESTAMP ) );
    registerFunction( "microseconds", new StandardSQLFunction( "microseconds", StandardBasicTypes.INTEGER ) );
    registerFunction( "minute", new StandardSQLFunction( "minute", StandardBasicTypes.INTEGER ) );
    registerFunction( "month", new StandardSQLFunction( "month", StandardBasicTypes.INTEGER ) );
    registerFunction( "monthname", new StandardSQLFunction( "monthname", StandardBasicTypes.STRING ) );
    registerFunction( "now", new NoArgSQLFunction( "now", StandardBasicTypes.TIMESTAMP ) );
    registerFunction( "quarter", new StandardSQLFunction( "quarter", StandardBasicTypes.INTEGER ) );
    registerFunction( "second", new StandardSQLFunction( "second", StandardBasicTypes.INTEGER ) );
    registerFunction( "sec_to_time", new StandardSQLFunction( "sec_to_time", StandardBasicTypes.TIME ) );
    registerFunction( "sysdate", new NoArgSQLFunction( "sysdate", StandardBasicTypes.TIMESTAMP ) );
    registerFunction( "time", new StandardSQLFunction( "time", StandardBasicTypes.TIME ) );
    registerFunction( "timestamp", new StandardSQLFunction( "timestamp", StandardBasicTypes.TIMESTAMP ) );
    registerFunction( "time_to_sec", new StandardSQLFunction( "time_to_sec", StandardBasicTypes.INTEGER ) );
    registerFunction( "to_days", new StandardSQLFunction( "to_days", StandardBasicTypes.LONG ) );
    registerFunction( "unix_timestamp", new StandardSQLFunction( "unix_timestamp", StandardBasicTypes.LONG ) );
    registerFunction( "utc_date", new NoArgSQLFunction( "utc_date", StandardBasicTypes.STRING ) );
    registerFunction( "utc_time", new NoArgSQLFunction( "utc_time", StandardBasicTypes.STRING ) );
    registerFunction( "utc_timestamp", new NoArgSQLFunction( "utc_timestamp", StandardBasicTypes.STRING ) );
    registerFunction( "week", new StandardSQLFunction( "week", StandardBasicTypes.INTEGER ) );
    registerFunction( "weekday", new StandardSQLFunction( "weekday", StandardBasicTypes.INTEGER ) );
    registerFunction( "weekofyear", new StandardSQLFunction( "weekofyear", StandardBasicTypes.INTEGER ) );
    registerFunction( "year", new StandardSQLFunction( "year", StandardBasicTypes.INTEGER ) );
    registerFunction( "yearweek", new StandardSQLFunction( "yearweek", StandardBasicTypes.INTEGER ) );

    registerFunction( "hex", new StandardSQLFunction( "hex", StandardBasicTypes.STRING ) );
    registerFunction( "oct", new StandardSQLFunction( "oct", StandardBasicTypes.STRING ) );

    registerFunction( "octet_length", new StandardSQLFunction( "octet_length", StandardBasicTypes.LONG ) );
    registerFunction( "bit_length", new StandardSQLFunction( "bit_length", StandardBasicTypes.LONG ) );

    registerFunction( "bit_count", new StandardSQLFunction( "bit_count", StandardBasicTypes.LONG ) );
    registerFunction( "encrypt", new StandardSQLFunction( "encrypt", StandardBasicTypes.STRING ) );
    registerFunction( "md5", new StandardSQLFunction( "md5", StandardBasicTypes.STRING ) );
    registerFunction( "sha1", new StandardSQLFunction( "sha1", StandardBasicTypes.STRING ) );
    registerFunction( "sha", new StandardSQLFunction( "sha", StandardBasicTypes.STRING ) );

    registerFunction( "concat", new StandardSQLFunction( "concat", StandardBasicTypes.STRING ) );

    getDefaultProperties().setProperty( Environment.MAX_FETCH_DEPTH, "2" );
    getDefaultProperties().setProperty( Environment.STATEMENT_BATCH_SIZE, DEFAULT_BATCH_SIZE );
  }
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    registerColumnType( Types.CLOB, "text" );
    registerColumnType( Types.BLOB, "oid" );
    registerColumnType( Types.NUMERIC, "numeric($p, $s)" );
    registerColumnType( Types.OTHER, "uuid" );

    registerFunction( "abs", new StandardSQLFunction("abs") );
    registerFunction( "sign", new StandardSQLFunction("sign", StandardBasicTypes.INTEGER) );

    registerFunction( "acos", new StandardSQLFunction("acos", StandardBasicTypes.DOUBLE) );
    registerFunction( "asin", new StandardSQLFunction("asin", StandardBasicTypes.DOUBLE) );
    registerFunction( "atan", new StandardSQLFunction("atan", StandardBasicTypes.DOUBLE) );
    registerFunction( "cos", new StandardSQLFunction("cos", StandardBasicTypes.DOUBLE) );
    registerFunction( "cot", new StandardSQLFunction("cot", StandardBasicTypes.DOUBLE) );
    registerFunction( "exp", new StandardSQLFunction("exp", StandardBasicTypes.DOUBLE) );
    registerFunction( "ln", new StandardSQLFunction("ln", StandardBasicTypes.DOUBLE) );
    registerFunction( "log", new StandardSQLFunction("log", StandardBasicTypes.DOUBLE) );
    registerFunction( "sin", new StandardSQLFunction("sin", StandardBasicTypes.DOUBLE) );
    registerFunction( "sqrt", new StandardSQLFunction("sqrt", StandardBasicTypes.DOUBLE) );
    registerFunction( "cbrt", new StandardSQLFunction("cbrt", StandardBasicTypes.DOUBLE) );
    registerFunction( "tan", new StandardSQLFunction("tan", StandardBasicTypes.DOUBLE) );
    registerFunction( "radians", new StandardSQLFunction("radians", StandardBasicTypes.DOUBLE) );
    registerFunction( "degrees", new StandardSQLFunction("degrees", StandardBasicTypes.DOUBLE) );

    registerFunction( "stddev", new StandardSQLFunction("stddev", StandardBasicTypes.DOUBLE) );
    registerFunction( "variance", new StandardSQLFunction("variance", StandardBasicTypes.DOUBLE) );

    registerFunction( "random", new NoArgSQLFunction("random", StandardBasicTypes.DOUBLE) );
    registerFunction( "rand", new NoArgSQLFunction("random", StandardBasicTypes.DOUBLE) );

    registerFunction( "round", new StandardSQLFunction("round") );
    registerFunction( "trunc", new StandardSQLFunction("trunc") );
    registerFunction( "ceil", new StandardSQLFunction("ceil") );
    registerFunction( "floor", new StandardSQLFunction("floor") );

    registerFunction( "chr", new StandardSQLFunction("chr", StandardBasicTypes.CHARACTER) );
    registerFunction( "lower", new StandardSQLFunction("lower") );
    registerFunction( "upper", new StandardSQLFunction("upper") );
    registerFunction( "substr", new StandardSQLFunction("substr", StandardBasicTypes.STRING) );
    registerFunction( "initcap", new StandardSQLFunction("initcap") );
    registerFunction( "to_ascii", new StandardSQLFunction("to_ascii") );
    registerFunction( "quote_ident", new StandardSQLFunction("quote_ident", StandardBasicTypes.STRING) );
    registerFunction( "quote_literal", new StandardSQLFunction("quote_literal", StandardBasicTypes.STRING) );
    registerFunction( "md5", new StandardSQLFunction("md5", StandardBasicTypes.STRING) );
    registerFunction( "ascii", new StandardSQLFunction("ascii", StandardBasicTypes.INTEGER) );
    registerFunction( "char_length", new StandardSQLFunction("char_length", StandardBasicTypes.LONG) );
    registerFunction( "bit_length", new StandardSQLFunction("bit_length", StandardBasicTypes.LONG) );
    registerFunction( "octet_length", new StandardSQLFunction("octet_length", StandardBasicTypes.LONG) );

    registerFunction( "age", new StandardSQLFunction("age") );
    registerFunction( "current_date", new NoArgSQLFunction("current_date", StandardBasicTypes.DATE, false) );
    registerFunction( "current_time", new NoArgSQLFunction("current_time", StandardBasicTypes.TIME, false) );
    registerFunction( "current_timestamp", new NoArgSQLFunction("current_timestamp", StandardBasicTypes.TIMESTAMP, false) );
    registerFunction( "date_trunc", new StandardSQLFunction( "date_trunc", StandardBasicTypes.TIMESTAMP ) );
    registerFunction( "localtime", new NoArgSQLFunction("localtime", StandardBasicTypes.TIME, false) );
    registerFunction( "localtimestamp", new NoArgSQLFunction("localtimestamp", StandardBasicTypes.TIMESTAMP, false) );
    registerFunction( "now", new NoArgSQLFunction("now", StandardBasicTypes.TIMESTAMP) );
    registerFunction( "timeofday", new NoArgSQLFunction("timeofday", StandardBasicTypes.STRING) );

    registerFunction( "current_user", new NoArgSQLFunction("current_user", StandardBasicTypes.STRING, false) );
    registerFunction( "session_user", new NoArgSQLFunction("session_user", StandardBasicTypes.STRING, false) );
    registerFunction( "user", new NoArgSQLFunction("user", StandardBasicTypes.STRING, false) );
    registerFunction( "current_database", new NoArgSQLFunction("current_database", StandardBasicTypes.STRING, true) );
    registerFunction( "current_schema", new NoArgSQLFunction("current_schema", StandardBasicTypes.STRING, true) );
   
    registerFunction( "to_char", new StandardSQLFunction("to_char", StandardBasicTypes.STRING) );
    registerFunction( "to_date", new StandardSQLFunction("to_date", StandardBasicTypes.DATE) );
    registerFunction( "to_timestamp", new StandardSQLFunction("to_timestamp", StandardBasicTypes.TIMESTAMP) );
    registerFunction( "to_number", new StandardSQLFunction("to_number", StandardBasicTypes.BIG_DECIMAL) );

    registerFunction( "concat", new VarArgsSQLFunction( StandardBasicTypes.STRING, "(","||",")" ) );

    registerFunction( "locate", new PositionSubstringFunction() );
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   * Constructs a PostgresPlusDialect
   */
  public PostgresPlusDialect() {
    super();

    registerFunction( "ltrim", new StandardSQLFunction( "ltrim" ) );
    registerFunction( "rtrim", new StandardSQLFunction( "rtrim" ) );
    registerFunction( "soundex", new StandardSQLFunction( "soundex" ) );
    registerFunction( "sysdate", new NoArgSQLFunction( "sysdate", StandardBasicTypes.DATE, false ) );
    registerFunction( "rowid", new NoArgSQLFunction( "rowid", StandardBasicTypes.LONG, false ) );
    registerFunction( "rownum", new NoArgSQLFunction( "rownum", StandardBasicTypes.LONG, false ) );
    registerFunction( "instr", new StandardSQLFunction( "instr", StandardBasicTypes.INTEGER ) );
    registerFunction( "lpad", new StandardSQLFunction( "lpad", StandardBasicTypes.STRING ) );
    registerFunction( "replace", new StandardSQLFunction( "replace", StandardBasicTypes.STRING ) );
    registerFunction( "rpad", new StandardSQLFunction( "rpad", StandardBasicTypes.STRING ) );
    registerFunction( "translate", new StandardSQLFunction( "translate", StandardBasicTypes.STRING ) );
    registerFunction( "substring", new StandardSQLFunction( "substr", StandardBasicTypes.STRING ) );
    registerFunction( "coalesce", new NvlFunction() );
    registerFunction( "atan2", new StandardSQLFunction( "atan2", StandardBasicTypes.FLOAT ) );
    registerFunction( "mod", new StandardSQLFunction( "mod", StandardBasicTypes.INTEGER ) );
    registerFunction( "nvl", new StandardSQLFunction( "nvl" ) );
    registerFunction( "nvl2", new StandardSQLFunction( "nvl2" ) );
    registerFunction( "power", new StandardSQLFunction( "power", StandardBasicTypes.FLOAT ) );
    registerFunction( "add_months", new StandardSQLFunction( "add_months", StandardBasicTypes.DATE ) );
    registerFunction( "months_between", new StandardSQLFunction( "months_between", StandardBasicTypes.FLOAT ) );
    registerFunction( "next_day", new StandardSQLFunction( "next_day", StandardBasicTypes.DATE ) );
  }
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    registerColumnType( Types.TIME, "time with time zone" );
    registerColumnType( Types.TIMESTAMP, "timestamp with time zone" );
    registerColumnType( Types.BLOB, "blob" );
    registerColumnType( Types.CLOB, "clob" );

    registerFunction( "abs", new StandardSQLFunction( "abs" ) );
    registerFunction( "atan", new StandardSQLFunction( "atan", StandardBasicTypes.DOUBLE ) );
    registerFunction( "bit_add", new StandardSQLFunction( "bit_add" ) );
    registerFunction( "bit_and", new StandardSQLFunction( "bit_and" ) );
    registerFunction( "bit_length", new SQLFunctionTemplate( StandardBasicTypes.INTEGER, "octet_length(hex(?1))*4" ) );
    registerFunction( "bit_not", new StandardSQLFunction( "bit_not" ) );
    registerFunction( "bit_or", new StandardSQLFunction( "bit_or" ) );
    registerFunction( "bit_xor", new StandardSQLFunction( "bit_xor" ) );
    registerFunction( "character_length", new StandardSQLFunction( "character_length", StandardBasicTypes.LONG ) );
    registerFunction( "charextract", new StandardSQLFunction( "charextract", StandardBasicTypes.STRING ) );
    registerFunction( "concat", new VarArgsSQLFunction( StandardBasicTypes.STRING, "(", "+", ")" ) );
    registerFunction( "cos", new StandardSQLFunction( "cos", StandardBasicTypes.DOUBLE ) );
    registerFunction( "current_user", new NoArgSQLFunction( "current_user", StandardBasicTypes.STRING, false ) );
    registerFunction( "current_time", new NoArgSQLFunction( "date('now')", StandardBasicTypes.TIMESTAMP, false ) );
    registerFunction( "current_timestamp", new NoArgSQLFunction( "date('now')", StandardBasicTypes.TIMESTAMP, false ) );
    registerFunction( "current_date", new NoArgSQLFunction( "date('now')", StandardBasicTypes.TIMESTAMP, false ) );
    registerFunction( "date_trunc", new StandardSQLFunction( "date_trunc", StandardBasicTypes.TIMESTAMP ) );
    registerFunction( "day", new StandardSQLFunction( "day", StandardBasicTypes.INTEGER ) );
    registerFunction( "dba", new NoArgSQLFunction( "dba", StandardBasicTypes.STRING, true ) );
    registerFunction( "dow", new StandardSQLFunction( "dow", StandardBasicTypes.STRING ) );
    registerFunction( "extract", new SQLFunctionTemplate( StandardBasicTypes.INTEGER, "date_part('?1', ?3)" ) );
    registerFunction( "exp", new StandardSQLFunction( "exp", StandardBasicTypes.DOUBLE ) );
    registerFunction( "gmt_timestamp", new StandardSQLFunction( "gmt_timestamp", StandardBasicTypes.STRING ) );
    registerFunction( "hash", new StandardSQLFunction( "hash", StandardBasicTypes.INTEGER ) );
    registerFunction( "hex", new StandardSQLFunction( "hex", StandardBasicTypes.STRING ) );
    registerFunction( "hour", new StandardSQLFunction( "hour", StandardBasicTypes.INTEGER ) );
    registerFunction( "initial_user", new NoArgSQLFunction( "initial_user", StandardBasicTypes.STRING, false ) );
    registerFunction( "intextract", new StandardSQLFunction( "intextract", StandardBasicTypes.INTEGER ) );
    registerFunction( "left", new StandardSQLFunction( "left", StandardBasicTypes.STRING ) );
    registerFunction( "locate", new SQLFunctionTemplate( StandardBasicTypes.LONG, "locate(?1, ?2)" ) );
    registerFunction( "length", new StandardSQLFunction( "length", StandardBasicTypes.LONG ) );
    registerFunction( "ln", new StandardSQLFunction( "ln", StandardBasicTypes.DOUBLE ) );
    registerFunction( "log", new StandardSQLFunction( "log", StandardBasicTypes.DOUBLE ) );
    registerFunction( "lower", new StandardSQLFunction( "lower" ) );
    registerFunction( "lowercase", new StandardSQLFunction( "lowercase" ) );
    registerFunction( "minute", new StandardSQLFunction( "minute", StandardBasicTypes.INTEGER ) );
    registerFunction( "month", new StandardSQLFunction( "month", StandardBasicTypes.INTEGER ) );
    registerFunction( "octet_length", new StandardSQLFunction( "octet_length", StandardBasicTypes.LONG ) );
    registerFunction( "pad", new StandardSQLFunction( "pad", StandardBasicTypes.STRING ) );
    registerFunction( "position", new StandardSQLFunction( "position", StandardBasicTypes.LONG ) );
    registerFunction( "power", new StandardSQLFunction( "power", StandardBasicTypes.DOUBLE ) );
    registerFunction( "random", new NoArgSQLFunction( "random", StandardBasicTypes.LONG, true ) );
    registerFunction( "randomf", new NoArgSQLFunction( "randomf", StandardBasicTypes.DOUBLE, true ) );
    registerFunction( "right", new StandardSQLFunction( "right", StandardBasicTypes.STRING ) );
    registerFunction( "session_user", new NoArgSQLFunction( "session_user", StandardBasicTypes.STRING, false ) );
    registerFunction( "second", new StandardSQLFunction( "second", StandardBasicTypes.INTEGER ) );
    registerFunction( "size", new NoArgSQLFunction( "size", StandardBasicTypes.LONG, true ) );
    registerFunction( "squeeze", new StandardSQLFunction( "squeeze" ) );
    registerFunction( "sin", new StandardSQLFunction( "sin", StandardBasicTypes.DOUBLE ) );
    registerFunction( "soundex", new StandardSQLFunction( "soundex", StandardBasicTypes.STRING ) );
    registerFunction( "sqrt", new StandardSQLFunction( "sqrt", StandardBasicTypes.DOUBLE ) );
    registerFunction( "substring", new SQLFunctionTemplate( StandardBasicTypes.STRING, "substring(?1 FROM ?2 FOR ?3)" ) );
    registerFunction( "system_user", new NoArgSQLFunction( "system_user", StandardBasicTypes.STRING, false ) );
    //registerFunction( "trim", new StandardSQLFunction( "trim", StandardBasicTypes.STRING ) );
    registerFunction( "unhex", new StandardSQLFunction( "unhex", StandardBasicTypes.STRING ) );
    registerFunction( "upper", new StandardSQLFunction( "upper" ) );
    registerFunction( "uppercase", new StandardSQLFunction( "uppercase" ) );
    registerFunction( "user", new NoArgSQLFunction( "user", StandardBasicTypes.STRING, false ) );
    registerFunction( "usercode", new NoArgSQLFunction( "usercode", StandardBasicTypes.STRING, true ) );
    registerFunction( "username", new NoArgSQLFunction( "username", StandardBasicTypes.STRING, true ) );
    registerFunction( "uuid_create", new StandardSQLFunction( "uuid_create", StandardBasicTypes.BYTE ) );
    registerFunction( "uuid_compare", new StandardSQLFunction( "uuid_compare", StandardBasicTypes.INTEGER ) );
    registerFunction( "uuid_from_char", new StandardSQLFunction( "uuid_from_char", StandardBasicTypes.BYTE ) );
    registerFunction( "uuid_to_char", new StandardSQLFunction( "uuid_to_char", StandardBasicTypes.STRING ) );
    registerFunction( "year", new StandardSQLFunction( "year", StandardBasicTypes.INTEGER ) );
    // Casting to char of numeric values introduces space padding up to the
    // maximum width of a value for that return type.  Casting to varchar
    // does not introduce space padding.
    registerFunction( "str", new SQLFunctionTemplate(StandardBasicTypes.STRING, "cast(?1 as varchar)") );
    // Ingres driver supports getGeneratedKeys but only in the following
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    registerColumnType( Types.VARCHAR, 255, "varchar($l)" );

    getDefaultProperties().setProperty( Environment.USE_STREAMS_FOR_BINARY, "true" );
    getDefaultProperties().setProperty( Environment.STATEMENT_BATCH_SIZE, DEFAULT_BATCH_SIZE );

    registerFunction( "ascii", new StandardSQLFunction( "ascii", StandardBasicTypes.INTEGER ) );
    registerFunction( "bin", new StandardSQLFunction( "bin", StandardBasicTypes.STRING ) );
    registerFunction( "char_length", new StandardSQLFunction( "char_length", StandardBasicTypes.LONG ) );
    registerFunction( "character_length", new StandardSQLFunction( "character_length", StandardBasicTypes.LONG ) );
    registerFunction( "lengthb", new StandardSQLFunction( "lengthb", StandardBasicTypes.LONG ) );
    registerFunction( "lengthh", new StandardSQLFunction( "lengthh", StandardBasicTypes.LONG ) );
    registerFunction( "lcase", new StandardSQLFunction( "lcase" ) );
    registerFunction( "lower", new StandardSQLFunction( "lower" ) );
    registerFunction( "ltrim", new StandardSQLFunction( "ltrim" ) );
    registerFunction( "reverse", new StandardSQLFunction( "reverse" ) );
    registerFunction( "rtrim", new StandardSQLFunction( "rtrim" ) );
    registerFunction( "trim", new StandardSQLFunction( "trim" ) );
    registerFunction( "space", new StandardSQLFunction( "space", StandardBasicTypes.STRING ) );
    registerFunction( "ucase", new StandardSQLFunction( "ucase" ) );
    registerFunction( "upper", new StandardSQLFunction( "upper" ) );

    registerFunction( "abs", new StandardSQLFunction( "abs" ) );
    registerFunction( "sign", new StandardSQLFunction( "sign", StandardBasicTypes.INTEGER ) );

    registerFunction( "acos", new StandardSQLFunction( "acos", StandardBasicTypes.DOUBLE ) );
    registerFunction( "asin", new StandardSQLFunction( "asin", StandardBasicTypes.DOUBLE ) );
    registerFunction( "atan", new StandardSQLFunction( "atan", StandardBasicTypes.DOUBLE ) );
    registerFunction( "cos", new StandardSQLFunction( "cos", StandardBasicTypes.DOUBLE ) );
    registerFunction( "cot", new StandardSQLFunction( "cot", StandardBasicTypes.DOUBLE ) );
    registerFunction( "exp", new StandardSQLFunction( "exp", StandardBasicTypes.DOUBLE ) );
    registerFunction( "ln", new StandardSQLFunction( "ln", StandardBasicTypes.DOUBLE ) );
    registerFunction( "log2", new StandardSQLFunction( "log2", StandardBasicTypes.DOUBLE ) );
    registerFunction( "log10", new StandardSQLFunction( "log10", StandardBasicTypes.DOUBLE ) );
    registerFunction( "pi", new NoArgSQLFunction( "pi", StandardBasicTypes.DOUBLE ) );
    registerFunction( "rand", new NoArgSQLFunction( "rand", StandardBasicTypes.DOUBLE ) );
    registerFunction( "random", new NoArgSQLFunction( "random", StandardBasicTypes.DOUBLE ) );
    registerFunction( "sin", new StandardSQLFunction( "sin", StandardBasicTypes.DOUBLE ) );
    registerFunction( "sqrt", new StandardSQLFunction( "sqrt", StandardBasicTypes.DOUBLE ) );
    registerFunction( "tan", new StandardSQLFunction( "tan", StandardBasicTypes.DOUBLE ) );

    registerFunction( "radians", new StandardSQLFunction( "radians", StandardBasicTypes.DOUBLE ) );
    registerFunction( "degrees", new StandardSQLFunction( "degrees", StandardBasicTypes.DOUBLE ) );

    registerFunction( "ceil", new StandardSQLFunction( "ceil", StandardBasicTypes.INTEGER ) );
    registerFunction( "floor", new StandardSQLFunction( "floor", StandardBasicTypes.INTEGER ) );
    registerFunction( "round", new StandardSQLFunction( "round" ) );

    registerFunction( "datediff", new StandardSQLFunction( "datediff", StandardBasicTypes.INTEGER ) );
    registerFunction( "timediff", new StandardSQLFunction( "timediff", StandardBasicTypes.TIME ) );

    registerFunction( "date", new StandardSQLFunction( "date", StandardBasicTypes.DATE ) );
    registerFunction( "curdate", new NoArgSQLFunction( "curdate", StandardBasicTypes.DATE ) );
    registerFunction( "current_date", new NoArgSQLFunction( "current_date", StandardBasicTypes.DATE, false ) );
    registerFunction( "sys_date", new NoArgSQLFunction( "sys_date", StandardBasicTypes.DATE, false ) );
    registerFunction( "sysdate", new NoArgSQLFunction( "sysdate", StandardBasicTypes.DATE, false ) );

    registerFunction( "time", new StandardSQLFunction( "time", StandardBasicTypes.TIME ) );
    registerFunction( "curtime", new NoArgSQLFunction( "curtime", StandardBasicTypes.TIME ) );
    registerFunction( "current_time", new NoArgSQLFunction( "current_time", StandardBasicTypes.TIME, false ) );
    registerFunction( "sys_time", new NoArgSQLFunction( "sys_time", StandardBasicTypes.TIME, false ) );
    registerFunction( "systime", new NoArgSQLFunction( "systime", StandardBasicTypes.TIME, false ) );

    registerFunction( "timestamp", new StandardSQLFunction( "timestamp", StandardBasicTypes.TIMESTAMP ) );
    registerFunction(
        "current_timestamp", new NoArgSQLFunction(
        "current_timestamp",
        StandardBasicTypes.TIMESTAMP,
        false
    )
    );
    registerFunction(
        "sys_timestamp", new NoArgSQLFunction(
        "sys_timestamp",
        StandardBasicTypes.TIMESTAMP,
        false
    )
    );
    registerFunction( "systimestamp", new NoArgSQLFunction( "systimestamp", StandardBasicTypes.TIMESTAMP, false ) );
    registerFunction( "localtime", new NoArgSQLFunction( "localtime", StandardBasicTypes.TIMESTAMP, false ) );
    registerFunction(
        "localtimestamp", new NoArgSQLFunction(
        "localtimestamp",
        StandardBasicTypes.TIMESTAMP,
        false
    )
    );

    registerFunction( "day", new StandardSQLFunction( "day", StandardBasicTypes.INTEGER ) );
    registerFunction( "dayofmonth", new StandardSQLFunction( "dayofmonth", StandardBasicTypes.INTEGER ) );
    registerFunction( "dayofweek", new StandardSQLFunction( "dayofweek", StandardBasicTypes.INTEGER ) );
    registerFunction( "dayofyear", new StandardSQLFunction( "dayofyear", StandardBasicTypes.INTEGER ) );
    registerFunction( "from_days", new StandardSQLFunction( "from_days", StandardBasicTypes.DATE ) );
    registerFunction( "from_unixtime", new StandardSQLFunction( "from_unixtime", StandardBasicTypes.TIMESTAMP ) );
    registerFunction( "last_day", new StandardSQLFunction( "last_day", StandardBasicTypes.DATE ) );
    registerFunction( "minute", new StandardSQLFunction( "minute", StandardBasicTypes.INTEGER ) );
    registerFunction( "month", new StandardSQLFunction( "month", StandardBasicTypes.INTEGER ) );
    registerFunction( "months_between", new StandardSQLFunction( "months_between", StandardBasicTypes.DOUBLE ) );
    registerFunction( "now", new NoArgSQLFunction( "now", StandardBasicTypes.TIMESTAMP ) );
    registerFunction( "quarter", new StandardSQLFunction( "quarter", StandardBasicTypes.INTEGER ) );
    registerFunction( "second", new StandardSQLFunction( "second", StandardBasicTypes.INTEGER ) );
    registerFunction( "sec_to_time", new StandardSQLFunction( "sec_to_time", StandardBasicTypes.TIME ) );
    registerFunction( "time_to_sec", new StandardSQLFunction( "time_to_sec", StandardBasicTypes.INTEGER ) );
    registerFunction( "to_days", new StandardSQLFunction( "to_days", StandardBasicTypes.LONG ) );
    registerFunction( "unix_timestamp", new StandardSQLFunction( "unix_timestamp", StandardBasicTypes.LONG ) );
    registerFunction( "utc_date", new NoArgSQLFunction( "utc_date", StandardBasicTypes.STRING ) );
    registerFunction( "utc_time", new NoArgSQLFunction( "utc_time", StandardBasicTypes.STRING ) );
    registerFunction( "week", new StandardSQLFunction( "week", StandardBasicTypes.INTEGER ) );
    registerFunction( "weekday", new StandardSQLFunction( "weekday", StandardBasicTypes.INTEGER ) );
    registerFunction( "year", new StandardSQLFunction( "year", StandardBasicTypes.INTEGER ) );

    registerFunction( "hex", new StandardSQLFunction( "hex", StandardBasicTypes.STRING ) );

    registerFunction( "octet_length", new StandardSQLFunction( "octet_length", StandardBasicTypes.LONG ) );
    registerFunction( "bit_length", new StandardSQLFunction( "bit_length", StandardBasicTypes.LONG ) );

    registerFunction( "bit_count", new StandardSQLFunction( "bit_count", StandardBasicTypes.LONG ) );
    registerFunction( "md5", new StandardSQLFunction( "md5", StandardBasicTypes.STRING ) );

    registerFunction( "concat", new StandardSQLFunction( "concat", StandardBasicTypes.STRING ) );

    registerFunction( "substring", new StandardSQLFunction( "substring", StandardBasicTypes.STRING ) );
    registerFunction( "substr", new StandardSQLFunction( "substr", StandardBasicTypes.STRING ) );

    registerFunction( "length", new StandardSQLFunction( "length", StandardBasicTypes.INTEGER ) );
    registerFunction( "bit_length", new StandardSQLFunction( "bit_length", StandardBasicTypes.INTEGER ) );
    registerFunction( "coalesce", new StandardSQLFunction( "coalesce" ) );
    registerFunction( "nullif", new StandardSQLFunction( "nullif" ) );
    registerFunction( "mod", new StandardSQLFunction( "mod" ) );

    registerFunction( "power", new StandardSQLFunction( "power" ) );
    registerFunction( "stddev", new StandardSQLFunction( "stddev" ) );
    registerFunction( "variance", new StandardSQLFunction( "variance" ) );
    registerFunction( "trunc", new StandardSQLFunction( "trunc" ) );
    registerFunction( "nvl", new StandardSQLFunction( "nvl" ) );
    registerFunction( "nvl2", new StandardSQLFunction( "nvl2" ) );
    registerFunction( "chr", new StandardSQLFunction( "chr", StandardBasicTypes.CHARACTER ) );
    registerFunction( "to_char", new StandardSQLFunction( "to_char", StandardBasicTypes.STRING ) );
    registerFunction( "to_date", new StandardSQLFunction( "to_date", StandardBasicTypes.TIMESTAMP ) );
    registerFunction( "instr", new StandardSQLFunction( "instr", StandardBasicTypes.INTEGER ) );
    registerFunction( "instrb", new StandardSQLFunction( "instrb", StandardBasicTypes.INTEGER ) );
    registerFunction( "lpad", new StandardSQLFunction( "lpad", StandardBasicTypes.STRING ) );
    registerFunction( "replace", new StandardSQLFunction( "replace", StandardBasicTypes.STRING ) );
    registerFunction( "rpad", new StandardSQLFunction( "rpad", StandardBasicTypes.STRING ) );
    registerFunction( "translate", new StandardSQLFunction( "translate", StandardBasicTypes.STRING ) );

    registerFunction( "add_months", new StandardSQLFunction( "add_months", StandardBasicTypes.DATE ) );
    registerFunction( "user", new NoArgSQLFunction( "user", StandardBasicTypes.STRING, false ) );
    registerFunction( "rownum", new NoArgSQLFunction( "rownum", StandardBasicTypes.LONG, false ) );
    registerFunction( "concat", new VarArgsSQLFunction( StandardBasicTypes.STRING, "", "||", "" ) );

    registerKeyword( "TYPE" );
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    registerColumnType( Types.VARBINARY, "long byte" );
    registerColumnType( Types.NUMERIC, "fixed($p,$s)" );
    registerColumnType( Types.CLOB, "long varchar" );
    registerColumnType( Types.BLOB, "long byte" );

    registerFunction( "abs", new StandardSQLFunction( "abs" ) );
    registerFunction( "sign", new StandardSQLFunction( "sign", StandardBasicTypes.INTEGER ) );

    registerFunction( "exp", new StandardSQLFunction( "exp", StandardBasicTypes.DOUBLE ) );
    registerFunction( "ln", new StandardSQLFunction( "ln", StandardBasicTypes.DOUBLE ) );
    registerFunction( "log", new StandardSQLFunction( "ln", StandardBasicTypes.DOUBLE ) );
    registerFunction( "pi", new NoArgSQLFunction( "pi", StandardBasicTypes.DOUBLE ) );
    registerFunction( "power", new StandardSQLFunction( "power" ) );
    registerFunction( "acos", new StandardSQLFunction( "acos", StandardBasicTypes.DOUBLE ) );
    registerFunction( "asin", new StandardSQLFunction( "asin", StandardBasicTypes.DOUBLE ) );
    registerFunction( "atan", new StandardSQLFunction( "atan", StandardBasicTypes.DOUBLE ) );
    registerFunction( "cos", new StandardSQLFunction( "cos", StandardBasicTypes.DOUBLE ) );
    registerFunction( "cosh", new StandardSQLFunction( "cosh", StandardBasicTypes.DOUBLE ) );
    registerFunction( "cot", new StandardSQLFunction( "cos", StandardBasicTypes.DOUBLE ) );
    registerFunction( "sin", new StandardSQLFunction( "sin", StandardBasicTypes.DOUBLE ) );
    registerFunction( "sinh", new StandardSQLFunction( "sinh", StandardBasicTypes.DOUBLE ) );
    registerFunction( "tan", new StandardSQLFunction( "tan", StandardBasicTypes.DOUBLE ) );
    registerFunction( "tanh", new StandardSQLFunction( "tanh", StandardBasicTypes.DOUBLE ) );
    registerFunction( "radians", new StandardSQLFunction( "radians", StandardBasicTypes.DOUBLE ) );
    registerFunction( "degrees", new StandardSQLFunction( "degrees", StandardBasicTypes.DOUBLE ) );
    registerFunction( "atan2", new StandardSQLFunction( "atan2", StandardBasicTypes.DOUBLE ) );

    registerFunction( "round", new StandardSQLFunction( "round" ) );
    registerFunction( "trunc", new StandardSQLFunction( "trunc" ) );
    registerFunction( "ceil", new StandardSQLFunction( "ceil" ) );
    registerFunction( "floor", new StandardSQLFunction( "floor" ) );
    registerFunction( "greatest", new StandardSQLFunction( "greatest" ) );
    registerFunction( "least", new StandardSQLFunction( "least" ) );

    registerFunction( "time", new StandardSQLFunction( "time", StandardBasicTypes.TIME ) );
    registerFunction( "timestamp", new StandardSQLFunction( "timestamp", StandardBasicTypes.TIMESTAMP ) );
    registerFunction( "date", new StandardSQLFunction( "date", StandardBasicTypes.DATE ) );
    registerFunction( "microsecond", new StandardSQLFunction( "microsecond", StandardBasicTypes.INTEGER ) );

    registerFunction( "second", new SQLFunctionTemplate( StandardBasicTypes.INTEGER, "second(?1)" ) );
    registerFunction( "minute", new SQLFunctionTemplate( StandardBasicTypes.INTEGER, "minute(?1)" ) );
    registerFunction( "hour", new SQLFunctionTemplate( StandardBasicTypes.INTEGER, "hour(?1)" ) );
    registerFunction( "day", new SQLFunctionTemplate( StandardBasicTypes.INTEGER, "day(?1)" ) );
    registerFunction( "month", new SQLFunctionTemplate( StandardBasicTypes.INTEGER, "month(?1)" ) );
    registerFunction( "year", new SQLFunctionTemplate( StandardBasicTypes.INTEGER, "year(?1)" ) );

    registerFunction( "extract", new SQLFunctionTemplate( StandardBasicTypes.INTEGER, "?1(?3)" ) );

    registerFunction( "dayname", new StandardSQLFunction( "dayname", StandardBasicTypes.STRING ) );
    registerFunction( "monthname", new StandardSQLFunction( "monthname", StandardBasicTypes.STRING ) );
    registerFunction( "dayofmonth", new StandardSQLFunction( "dayofmonth", StandardBasicTypes.INTEGER ) );
    registerFunction( "dayofweek", new StandardSQLFunction( "dayofweek", StandardBasicTypes.INTEGER ) );
    registerFunction( "dayofyear", new StandardSQLFunction( "dayofyear", StandardBasicTypes.INTEGER ) );
    registerFunction( "weekofyear", new StandardSQLFunction( "weekofyear", StandardBasicTypes.INTEGER ) );

    registerFunction( "replace", new StandardSQLFunction( "replace", StandardBasicTypes.STRING ) );
    registerFunction( "translate", new StandardSQLFunction( "translate", StandardBasicTypes.STRING ) );
    registerFunction( "lpad", new StandardSQLFunction( "lpad", StandardBasicTypes.STRING ) );
    registerFunction( "rpad", new StandardSQLFunction( "rpad", StandardBasicTypes.STRING ) );
    registerFunction( "substr", new StandardSQLFunction( "substr", StandardBasicTypes.STRING ) );
    registerFunction( "initcap", new StandardSQLFunction( "initcap", StandardBasicTypes.STRING ) );
    registerFunction( "lower", new StandardSQLFunction( "lower", StandardBasicTypes.STRING ) );
    registerFunction( "ltrim", new StandardSQLFunction( "ltrim", StandardBasicTypes.STRING ) );
    registerFunction( "rtrim", new StandardSQLFunction( "rtrim", StandardBasicTypes.STRING ) );
    registerFunction( "lfill", new StandardSQLFunction( "ltrim", StandardBasicTypes.STRING ) );
    registerFunction( "rfill", new StandardSQLFunction( "rtrim", StandardBasicTypes.STRING ) );
    registerFunction( "soundex", new StandardSQLFunction( "soundex", StandardBasicTypes.STRING ) );
    registerFunction( "upper", new StandardSQLFunction( "upper", StandardBasicTypes.STRING ) );
    registerFunction( "ascii", new StandardSQLFunction( "ascii", StandardBasicTypes.STRING ) );
    registerFunction( "index", new StandardSQLFunction( "index", StandardBasicTypes.INTEGER ) );

    registerFunction( "value", new StandardSQLFunction( "value" ) );

    registerFunction( "concat", new VarArgsSQLFunction( StandardBasicTypes.STRING, "(", "||", ")" ) );
    registerFunction( "substring", new StandardSQLFunction( "substr", StandardBasicTypes.STRING ) );
    registerFunction( "locate", new StandardSQLFunction( "index", StandardBasicTypes.INTEGER ) );
    registerFunction( "coalesce", new StandardSQLFunction( "value" ) );

    getDefaultProperties().setProperty( Environment.STATEMENT_BATCH_SIZE, DEFAULT_BATCH_SIZE );

  }
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    // standard sql92 functions (can be overridden by subclasses)
    registerFunction( "substring", new SQLFunctionTemplate( StandardBasicTypes.STRING, "substring(?1, ?2, ?3)" ) );
    registerFunction( "locate", new SQLFunctionTemplate( StandardBasicTypes.INTEGER, "locate(?1, ?2, ?3)" ) );
    registerFunction( "trim", new SQLFunctionTemplate( StandardBasicTypes.STRING, "trim(?1 ?2 ?3 ?4)" ) );
    registerFunction( "length", new StandardSQLFunction( "length", StandardBasicTypes.INTEGER ) );
    registerFunction( "bit_length", new StandardSQLFunction( "bit_length", StandardBasicTypes.INTEGER ) );
    registerFunction( "coalesce", new StandardSQLFunction( "coalesce" ) );
    registerFunction( "nullif", new StandardSQLFunction( "nullif" ) );
    registerFunction( "abs", new StandardSQLFunction( "abs" ) );
    registerFunction( "mod", new StandardSQLFunction( "mod", StandardBasicTypes.INTEGER) );
    registerFunction( "sqrt", new StandardSQLFunction( "sqrt", StandardBasicTypes.DOUBLE) );
    registerFunction( "upper", new StandardSQLFunction("upper") );
    registerFunction( "lower", new StandardSQLFunction("lower") );
    registerFunction( "cast", new CastFunction() );
    registerFunction( "extract", new SQLFunctionTemplate(StandardBasicTypes.INTEGER, "extract(?1 ?2 ?3)") );

    //map second/minute/hour/day/month/year to ANSI extract(), override on subclasses
    registerFunction( "second", new SQLFunctionTemplate(StandardBasicTypes.INTEGER, "extract(second from ?1)") );
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    if ( sqlFunction == null ) {
      final String name = getText();
      sqlFunction = getSessionFactoryHelper().findSQLFunction( getText() );
      if ( sqlFunction == null ) {
        LOG.unableToResolveAggregateFunction( name );
        sqlFunction = new StandardSQLFunction( name );
      }
    }
    return sqlFunction;
  }
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    registerColumnType( Types.BINARY, 254, "char($l) for bit data" );
    registerColumnType( Types.BOOLEAN, "smallint" );

    registerFunction( "avg", new AvgWithArgumentCastFunction( "double" ) );

    registerFunction( "abs", new StandardSQLFunction( "abs" ) );
    registerFunction( "absval", new StandardSQLFunction( "absval" ) );
    registerFunction( "sign", new StandardSQLFunction( "sign", StandardBasicTypes.INTEGER ) );

    registerFunction( "ceiling", new StandardSQLFunction( "ceiling" ) );
    registerFunction( "ceil", new StandardSQLFunction( "ceil" ) );
    registerFunction( "floor", new StandardSQLFunction( "floor" ) );
    registerFunction( "round", new StandardSQLFunction( "round" ) );

    registerFunction( "acos", new StandardSQLFunction( "acos", StandardBasicTypes.DOUBLE ) );
    registerFunction( "asin", new StandardSQLFunction( "asin", StandardBasicTypes.DOUBLE ) );
    registerFunction( "atan", new StandardSQLFunction( "atan", StandardBasicTypes.DOUBLE ) );
    registerFunction( "cos", new StandardSQLFunction( "cos", StandardBasicTypes.DOUBLE ) );
    registerFunction( "cot", new StandardSQLFunction( "cot", StandardBasicTypes.DOUBLE ) );
    registerFunction( "degrees", new StandardSQLFunction( "degrees", StandardBasicTypes.DOUBLE ) );
    registerFunction( "exp", new StandardSQLFunction( "exp", StandardBasicTypes.DOUBLE ) );
    registerFunction( "float", new StandardSQLFunction( "float", StandardBasicTypes.DOUBLE ) );
    registerFunction( "hex", new StandardSQLFunction( "hex", StandardBasicTypes.STRING ) );
    registerFunction( "ln", new StandardSQLFunction( "ln", StandardBasicTypes.DOUBLE ) );
    registerFunction( "log", new StandardSQLFunction( "log", StandardBasicTypes.DOUBLE ) );
    registerFunction( "log10", new StandardSQLFunction( "log10", StandardBasicTypes.DOUBLE ) );
    registerFunction( "radians", new StandardSQLFunction( "radians", StandardBasicTypes.DOUBLE ) );
    registerFunction( "rand", new NoArgSQLFunction( "rand", StandardBasicTypes.DOUBLE ) );
    registerFunction( "sin", new StandardSQLFunction( "sin", StandardBasicTypes.DOUBLE ) );
    registerFunction( "soundex", new StandardSQLFunction( "soundex", StandardBasicTypes.STRING ) );
    registerFunction( "sqrt", new StandardSQLFunction( "sqrt", StandardBasicTypes.DOUBLE ) );
    registerFunction( "stddev", new StandardSQLFunction( "stddev", StandardBasicTypes.DOUBLE ) );
    registerFunction( "tan", new StandardSQLFunction( "tan", StandardBasicTypes.DOUBLE ) );
    registerFunction( "variance", new StandardSQLFunction( "variance", StandardBasicTypes.DOUBLE ) );

    registerFunction( "julian_day", new StandardSQLFunction( "julian_day", StandardBasicTypes.INTEGER ) );
    registerFunction( "microsecond", new StandardSQLFunction( "microsecond", StandardBasicTypes.INTEGER ) );
    registerFunction(
        "midnight_seconds",
        new StandardSQLFunction( "midnight_seconds", StandardBasicTypes.INTEGER )
    );
    registerFunction( "minute", new StandardSQLFunction( "minute", StandardBasicTypes.INTEGER ) );
    registerFunction( "month", new StandardSQLFunction( "month", StandardBasicTypes.INTEGER ) );
    registerFunction( "monthname", new StandardSQLFunction( "monthname", StandardBasicTypes.STRING ) );
    registerFunction( "quarter", new StandardSQLFunction( "quarter", StandardBasicTypes.INTEGER ) );
    registerFunction( "hour", new StandardSQLFunction( "hour", StandardBasicTypes.INTEGER ) );
    registerFunction( "second", new StandardSQLFunction( "second", StandardBasicTypes.INTEGER ) );
    registerFunction( "current_date", new NoArgSQLFunction( "current date", StandardBasicTypes.DATE, false ) );
    registerFunction( "date", new StandardSQLFunction( "date", StandardBasicTypes.DATE ) );
    registerFunction( "day", new StandardSQLFunction( "day", StandardBasicTypes.INTEGER ) );
    registerFunction( "dayname", new StandardSQLFunction( "dayname", StandardBasicTypes.STRING ) );
    registerFunction( "dayofweek", new StandardSQLFunction( "dayofweek", StandardBasicTypes.INTEGER ) );
    registerFunction( "dayofweek_iso", new StandardSQLFunction( "dayofweek_iso", StandardBasicTypes.INTEGER ) );
    registerFunction( "dayofyear", new StandardSQLFunction( "dayofyear", StandardBasicTypes.INTEGER ) );
    registerFunction( "days", new StandardSQLFunction( "days", StandardBasicTypes.LONG ) );
    registerFunction( "current_time", new NoArgSQLFunction( "current time", StandardBasicTypes.TIME, false ) );
    registerFunction( "time", new StandardSQLFunction( "time", StandardBasicTypes.TIME ) );
    registerFunction(
        "current_timestamp",
        new NoArgSQLFunction( "current timestamp", StandardBasicTypes.TIMESTAMP, false )
    );
    registerFunction( "timestamp", new StandardSQLFunction( "timestamp", StandardBasicTypes.TIMESTAMP ) );
    registerFunction( "timestamp_iso", new StandardSQLFunction( "timestamp_iso", StandardBasicTypes.TIMESTAMP ) );
    registerFunction( "week", new StandardSQLFunction( "week", StandardBasicTypes.INTEGER ) );
    registerFunction( "week_iso", new StandardSQLFunction( "week_iso", StandardBasicTypes.INTEGER ) );
    registerFunction( "year", new StandardSQLFunction( "year", StandardBasicTypes.INTEGER ) );

    registerFunction( "double", new StandardSQLFunction( "double", StandardBasicTypes.DOUBLE ) );
    registerFunction( "varchar", new StandardSQLFunction( "varchar", StandardBasicTypes.STRING ) );
    registerFunction( "real", new StandardSQLFunction( "real", StandardBasicTypes.FLOAT ) );
    registerFunction( "bigint", new StandardSQLFunction( "bigint", StandardBasicTypes.LONG ) );
    registerFunction( "char", new StandardSQLFunction( "char", StandardBasicTypes.CHARACTER ) );
    registerFunction( "integer", new StandardSQLFunction( "integer", StandardBasicTypes.INTEGER ) );
    registerFunction( "smallint", new StandardSQLFunction( "smallint", StandardBasicTypes.SHORT ) );

    registerFunction( "digits", new StandardSQLFunction( "digits", StandardBasicTypes.STRING ) );
    registerFunction( "chr", new StandardSQLFunction( "chr", StandardBasicTypes.CHARACTER ) );
    registerFunction( "upper", new StandardSQLFunction( "upper" ) );
    registerFunction( "lower", new StandardSQLFunction( "lower" ) );
    registerFunction( "ucase", new StandardSQLFunction( "ucase" ) );
    registerFunction( "lcase", new StandardSQLFunction( "lcase" ) );
    registerFunction( "ltrim", new StandardSQLFunction( "ltrim" ) );
    registerFunction( "rtrim", new StandardSQLFunction( "rtrim" ) );
    registerFunction( "substr", new StandardSQLFunction( "substr", StandardBasicTypes.STRING ) );
    registerFunction( "posstr", new StandardSQLFunction( "posstr", StandardBasicTypes.INTEGER ) );

    registerFunction( "substring", new StandardSQLFunction( "substr", StandardBasicTypes.STRING ) );
    registerFunction( "bit_length", new SQLFunctionTemplate( StandardBasicTypes.INTEGER, "length(?1)*8" ) );
    registerFunction( "trim", new SQLFunctionTemplate( StandardBasicTypes.STRING, "trim(?1 ?2 ?3 ?4)" ) );

    registerFunction( "concat", new VarArgsSQLFunction( StandardBasicTypes.STRING, "", "||", "" ) );

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