Teradata functions#

Примечание

Ниже приведена оригинальная документация Trino. Скоро мы ее переведем на русский язык и дополним полезными примерами.

These functions provide compatibility with Teradata SQL.

String functions#

char2hexint(string) varchar#

Returns the hexadecimal representation of the UTF-16BE encoding of the string.

index(string, substring) bigint#

Alias for strpos() function.

Date functions#

The functions in this section use a format string that is compatible with the Teradata datetime functions. The following table, based on the Teradata reference manual, describes the supported format specifiers:

Specifier

Description

- / , . ; :

Punctuation characters are ignored

dd

Day of month (1-31)

hh

Hour of day (1-12)

hh24

Hour of the day (0-23)

mi

Minute (0-59)

mm

Month (01-12)

ss

Second (0-59)

yyyy

4-digit year

yy

2-digit year

Предупреждение

Case insensitivity is not currently supported. All specifiers must be lowercase.

to_char(timestamp, format) varchar#

Formats timestamp as a string using format.

to_timestamp(string, format) timestamp#

Parses string into a TIMESTAMP using format.

to_date(string, format) date#

Parses string into a DATE using format.