CVC: This is how v2's ib_udf parameters look in system tables. Comparing this file against ib_udf_params.txt we get ib_udf_upgrade.sql that will take us from v1's ib_udf to v2's ib_udf. RDB$FUNCTION_NAME RDB$ARGUMENT_POSITION RDB$MECHANISM =============================== ===================== ============= ABS 0 0 ABS 1 1 ACOS 0 0 ACOS 1 1 ASCII_CHAR 0 -1 ASCII_CHAR 1 5 ASCII_VAL 0 0 ASCII_VAL 1 1 ASIN 0 0 ASIN 1 1 ATAN 0 0 ATAN 1 1 ATAN2 0 0 ATAN2 1 1 ATAN2 2 1 BIN_AND 0 0 BIN_AND 1 1 BIN_AND 2 1 BIN_OR 0 0 BIN_OR 1 1 RDB$FUNCTION_NAME RDB$ARGUMENT_POSITION RDB$MECHANISM =============================== ===================== ============= BIN_OR 2 1 BIN_XOR 0 0 BIN_XOR 1 1 BIN_XOR 2 1 CEILING 0 0 CEILING 1 1 COS 0 0 COS 1 1 COSH 0 0 COSH 1 1 COT 0 0 COT 1 1 DIV 0 0 DIV 1 1 DIV 2 1 FLOOR 0 0 FLOOR 1 1 LN 0 0 LN 1 1 LOG 0 0 RDB$FUNCTION_NAME RDB$ARGUMENT_POSITION RDB$MECHANISM =============================== ===================== ============= LOG 1 1 LOG 2 1 LOG10 0 0 LOG10 1 1 LOWER 0 -1 LOWER 1 5 LPAD 0 -1 LPAD 1 5 LPAD 2 1 LPAD 3 5 LTRIM 0 -1 LTRIM 1 5 MOD 0 0 MOD 1 1 MOD 2 1 PI 0 0 RAND 0 0 RPAD 0 -1 RPAD 1 5 RPAD 2 1 RDB$FUNCTION_NAME RDB$ARGUMENT_POSITION RDB$MECHANISM =============================== ===================== ============= RPAD 3 5 RTRIM 0 -1 RTRIM 1 5 SIGN 0 0 SIGN 1 1 SIN 0 0 SIN 1 1 SINH 0 0 SINH 1 1 SQRT 0 0 SQRT 1 1 STRLEN 0 0 STRLEN 1 1 SUBSTR 0 -1 SUBSTR 1 5 SUBSTR 2 1 SUBSTR 3 1 SUBSTRLEN 0 -1 SUBSTRLEN 1 5 SUBSTRLEN 2 1 RDB$FUNCTION_NAME RDB$ARGUMENT_POSITION RDB$MECHANISM =============================== ===================== ============= SUBSTRLEN 3 1 TAN 0 0 TAN 1 1 TANH 0 0 TANH 1 1
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media
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