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Simple Log Service:General reference

Last Updated:Dec 19, 2024

This topic provides a list of topics frequently used in data transformation syntax.

Topic

Description

Standard encoding formats

Lists the standard encoding formats that are supported by Simple Log Service.

Query string syntax

Query strings are used in the domain-specific language (DSL) for Simple Log Service to filter log data in an efficient manner, and to simplify condition matching.

Field extraction modes

Introduces the values of the mode parameter in different functions. The mode parameter specifies a field extraction mode.

Regular expressions

Introduces the matching modes of regular expressions and the methods that can be used to escape special characters in regular expressions.

Grok patterns

Grok is a tool that combines multiple predefined regular expressions to match and split text, and map the text segments to keys. Grok can be used to process log data.

JMESPath syntax

Introduces the common JMESPath syntax and provides examples on how to use it.

Date and time formatting directives

The ANSI C standard defines a set of directives used to parse and format date and time strings.

Time zones

Lists all valid values of the time zone parameter that is used in the date and time functions.